tabs are as useful as a hole in the head

67 files changed, 18164 insertions, 18167 deletions

diff --git a/src/COPYING b/src/COPYING
index 0851b141..d2e31278 100644
--- a/src/COPYING
+++ b/src/COPYING
@@ -1,5 +1,5 @@
-		  GNU LESSER GENERAL PUBLIC LICENSE
-		       Version 2.1, February 1999
+                  GNU LESSER GENERAL PUBLIC LICENSE
+                       Version 2.1, February 1999
 
  Copyright (C) 1991, 1999 Free Software Foundation, Inc.
      51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
@@ -10,7 +10,7 @@
  as the successor of the GNU Library Public License, version 2, hence
  the version number 2.1.]
 
-			    Preamble
+                            Preamble
 
   The licenses for most software are designed to take away your
 freedom to share and change it.  By contrast, the GNU General Public
@@ -112,7 +112,7 @@ modification follow.  Pay close attention to the difference between a
 former contains code derived from the library, whereas the latter must
 be combined with the library in order to run.
 
-		  GNU LESSER GENERAL PUBLIC LICENSE
+                  GNU LESSER GENERAL PUBLIC LICENSE
    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 
   0. This License Agreement applies to any software library or other
@@ -432,7 +432,7 @@ decision will be guided by the two goals of preserving the free status
 of all derivatives of our free software and of promoting the sharing
 and reuse of software generally.
 
-			    NO WARRANTY
+                            NO WARRANTY
 
   15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
 WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
@@ -455,7 +455,7 @@ FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
 SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
 DAMAGES.
 
-		     END OF TERMS AND CONDITIONS
+                     END OF TERMS AND CONDITIONS
 
            How to Apply These Terms to Your New Libraries
 
diff --git a/src/extras/accelerometer/accelerometer.c b/src/extras/accelerometer/accelerometer.c
index 59c2a4ec..bc9715b2 100644
--- a/src/extras/accelerometer/accelerometer.c
+++ b/src/extras/accelerometer/accelerometer.c
@@ -71,32 +71,32 @@
 static int debug = 0;
 
 static void log_fn(struct udev *udev, int priority,
-		   const char *file, int line, const char *fn,
-		   const char *format, va_list args)
+                   const char *file, int line, const char *fn,
+                   const char *format, va_list args)
 {
-	if (debug) {
-		fprintf(stderr, "%s: ", fn);
-		vfprintf(stderr, format, args);
-	} else {
-		vsyslog(priority, format, args);
-	}
+        if (debug) {
+                fprintf(stderr, "%s: ", fn);
+                vfprintf(stderr, format, args);
+        } else {
+                vsyslog(priority, format, args);
+        }
 }
 
 typedef enum {
-	ORIENTATION_UNDEFINED,
-	ORIENTATION_NORMAL,
-	ORIENTATION_BOTTOM_UP,
-	ORIENTATION_LEFT_UP,
-	ORIENTATION_RIGHT_UP
+        ORIENTATION_UNDEFINED,
+        ORIENTATION_NORMAL,
+        ORIENTATION_BOTTOM_UP,
+        ORIENTATION_LEFT_UP,
+        ORIENTATION_RIGHT_UP
 } OrientationUp;
 
 static const char *orientations[] = {
-	"undefined",
-	"normal",
-	"bottom-up",
-	"left-up",
-	"right-up",
-	NULL
+        "undefined",
+        "normal",
+        "bottom-up",
+        "left-up",
+        "right-up",
+        NULL
 };
 
 #define ORIENTATION_UP_UP ORIENTATION_NORMAL
@@ -111,247 +111,247 @@ static const char *orientations[] = {
 static const char *
 orientation_to_string (OrientationUp o)
 {
-	return orientations[o];
+        return orientations[o];
 }
 
 static OrientationUp
 string_to_orientation (const char *orientation)
 {
-	int i;
-
-	if (orientation == NULL)
-		return ORIENTATION_UNDEFINED;
-	for (i = 0; orientations[i] != NULL; i++) {
-		if (strcmp (orientation, orientations[i]) == 0)
-			return i;
-	}
-	return ORIENTATION_UNDEFINED;
+        int i;
+
+        if (orientation == NULL)
+                return ORIENTATION_UNDEFINED;
+        for (i = 0; orientations[i] != NULL; i++) {
+                if (strcmp (orientation, orientations[i]) == 0)
+                        return i;
+        }
+        return ORIENTATION_UNDEFINED;
 }
 
 static OrientationUp
 orientation_calc (OrientationUp prev,
-		  int x, int y, int z)
+                  int x, int y, int z)
 {
-	int rotation;
-	OrientationUp ret = prev;
-
-	/* Portrait check */
-	rotation = round(atan((double) x / sqrt(y * y + z * z)) * RADIANS_TO_DEGREES);
-
-	if (abs(rotation) > THRESHOLD_PORTRAIT) {
-		ret = (rotation < 0) ? ORIENTATION_LEFT_UP : ORIENTATION_RIGHT_UP;
-
-		/* Some threshold to switching between portrait modes */
-		if (prev == ORIENTATION_LEFT_UP || prev == ORIENTATION_RIGHT_UP) {
-			if (abs(rotation) < SAME_AXIS_LIMIT) {
-				ret = prev;
-			}
-		}
-
-	} else {
-		/* Landscape check */
-		rotation = round(atan((double) y / sqrt(x * x + z * z)) * RADIANS_TO_DEGREES);
-
-		if (abs(rotation) > THRESHOLD_LANDSCAPE) {
-			ret = (rotation < 0) ? ORIENTATION_BOTTOM_UP : ORIENTATION_NORMAL;
-
-			/* Some threshold to switching between landscape modes */
-			if (prev == ORIENTATION_BOTTOM_UP || prev == ORIENTATION_NORMAL) {
-				if (abs(rotation) < SAME_AXIS_LIMIT) {
-					ret = prev;
-				}
-			}
-		}
-	}
-
-	return ret;
+        int rotation;
+        OrientationUp ret = prev;
+
+        /* Portrait check */
+        rotation = round(atan((double) x / sqrt(y * y + z * z)) * RADIANS_TO_DEGREES);
+
+        if (abs(rotation) > THRESHOLD_PORTRAIT) {
+                ret = (rotation < 0) ? ORIENTATION_LEFT_UP : ORIENTATION_RIGHT_UP;
+
+                /* Some threshold to switching between portrait modes */
+                if (prev == ORIENTATION_LEFT_UP || prev == ORIENTATION_RIGHT_UP) {
+                        if (abs(rotation) < SAME_AXIS_LIMIT) {
+                                ret = prev;
+                        }
+                }
+
+        } else {
+                /* Landscape check */
+                rotation = round(atan((double) y / sqrt(x * x + z * z)) * RADIANS_TO_DEGREES);
+
+                if (abs(rotation) > THRESHOLD_LANDSCAPE) {
+                        ret = (rotation < 0) ? ORIENTATION_BOTTOM_UP : ORIENTATION_NORMAL;
+
+                        /* Some threshold to switching between landscape modes */
+                        if (prev == ORIENTATION_BOTTOM_UP || prev == ORIENTATION_NORMAL) {
+                                if (abs(rotation) < SAME_AXIS_LIMIT) {
+                                        ret = prev;
+                                }
+                        }
+                }
+        }
+
+        return ret;
 }
 
 static OrientationUp
 get_prev_orientation(struct udev_device *dev)
 {
-	const char *value;
+        const char *value;
 
-	value = udev_device_get_property_value(dev, "ID_INPUT_ACCELEROMETER_ORIENTATION");
-	if (value == NULL)
-		return ORIENTATION_UNDEFINED;
-	return string_to_orientation(value);
+        value = udev_device_get_property_value(dev, "ID_INPUT_ACCELEROMETER_ORIENTATION");
+        if (value == NULL)
+                return ORIENTATION_UNDEFINED;
+        return string_to_orientation(value);
 }
 
 #define SET_AXIS(axis, code_) if (ev[i].code == code_) { if (got_##axis == 0) { axis = ev[i].value; got_##axis = 1; } }
 
 /* accelerometers */
 static void test_orientation(struct udev *udev,
-			     struct udev_device *dev,
-			     const char *devpath)
+                             struct udev_device *dev,
+                             const char *devpath)
 {
-	OrientationUp old, new;
-	int fd, r;
-	struct input_event ev[64];
-	int got_syn = 0;
-	int got_x, got_y, got_z;
-	int x = 0, y = 0, z = 0;
-	char text[64];
-
-	old = get_prev_orientation(dev);
-
-	if ((fd = open(devpath, O_RDONLY)) < 0)
-		return;
-
-	got_x = got_y = got_z = 0;
-
-	while (1) {
-		int i;
-
-		r = read(fd, ev, sizeof(struct input_event) * 64);
-
-		if (r < (int) sizeof(struct input_event))
-			return;
-
-		for (i = 0; i < r / (int) sizeof(struct input_event); i++) {
-			if (got_syn == 1) {
-				if (ev[i].type == EV_ABS) {
-					SET_AXIS(x, ABS_X);
-					SET_AXIS(y, ABS_Y);
-					SET_AXIS(z, ABS_Z);
-				}
-			}
-			if (ev[i].type == EV_SYN && ev[i].code == SYN_REPORT) {
-				got_syn = 1;
-			}
-			if (got_x && got_y && got_z)
-				goto read_dev;
-		}
-	}
+        OrientationUp old, new;
+        int fd, r;
+        struct input_event ev[64];
+        int got_syn = 0;
+        int got_x, got_y, got_z;
+        int x = 0, y = 0, z = 0;
+        char text[64];
+
+        old = get_prev_orientation(dev);
+
+        if ((fd = open(devpath, O_RDONLY)) < 0)
+                return;
+
+        got_x = got_y = got_z = 0;
+
+        while (1) {
+                int i;
+
+                r = read(fd, ev, sizeof(struct input_event) * 64);
+
+                if (r < (int) sizeof(struct input_event))
+                        return;
+
+                for (i = 0; i < r / (int) sizeof(struct input_event); i++) {
+                        if (got_syn == 1) {
+                                if (ev[i].type == EV_ABS) {
+                                        SET_AXIS(x, ABS_X);
+                                        SET_AXIS(y, ABS_Y);
+                                        SET_AXIS(z, ABS_Z);
+                                }
+                        }
+                        if (ev[i].type == EV_SYN && ev[i].code == SYN_REPORT) {
+                                got_syn = 1;
+                        }
+                        if (got_x && got_y && got_z)
+                                goto read_dev;
+                }
+        }
 
 read_dev:
-	close(fd);
+        close(fd);
 
-	if (!got_x || !got_y || !got_z)
-		return;
+        if (!got_x || !got_y || !got_z)
+                return;
 
-	new = orientation_calc(old, x, y, z);
-	snprintf(text, sizeof(text), "ID_INPUT_ACCELEROMETER_ORIENTATION=%s", orientation_to_string(new));
-	puts(text);
+        new = orientation_calc(old, x, y, z);
+        snprintf(text, sizeof(text), "ID_INPUT_ACCELEROMETER_ORIENTATION=%s", orientation_to_string(new));
+        puts(text);
 }
 
 static void help(void)
 {
-	printf("Usage: accelerometer [options] <device path>\n"
-	       "  --debug         debug to stderr\n"
-	       "  --help          print this help text\n\n");
+        printf("Usage: accelerometer [options] <device path>\n"
+               "  --debug         debug to stderr\n"
+               "  --help          print this help text\n\n");
 }
 
 int main (int argc, char** argv)
 {
-	struct udev *udev;
-	struct udev_device *dev;
-
-	static const struct option options[] = {
-		{ "debug", no_argument, NULL, 'd' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-
-	char devpath[PATH_MAX];
-	char *devnode;
-	const char *id_path;
-	struct udev_enumerate *enumerate;
-	struct udev_list_entry *list_entry;
-
-	udev = udev_new();
-	if (udev == NULL)
-		return 1;
-
-	udev_log_init("input_id");
-	udev_set_log_fn(udev, log_fn);
-
-	/* CLI argument parsing */
-	while (1) {
-		int option;
-
-		option = getopt_long(argc, argv, "dxh", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'd':
-			debug = 1;
-			if (udev_get_log_priority(udev) < LOG_INFO)
-				udev_set_log_priority(udev, LOG_INFO);
-			break;
-		case 'h':
-			help();
-			exit(0);
-		default:
-			exit(1);
-		}
-	}
-
-	if (argv[optind] == NULL) {
-		help();
-		exit(1);
-	}
-
-	/* get the device */
-	snprintf(devpath, sizeof(devpath), "%s/%s", udev_get_sys_path(udev), argv[optind]);
-	dev = udev_device_new_from_syspath(udev, devpath);
-	if (dev == NULL) {
-		fprintf(stderr, "unable to access '%s'\n", devpath);
-		return 1;
-	}
-
-	id_path = udev_device_get_property_value(dev, "ID_PATH");
-	if (id_path == NULL) {
-		fprintf (stderr, "unable to get property ID_PATH for '%s'", devpath);
-		return 0;
-	}
-
-	/* Get the children devices and find the devnode
-	 * FIXME: use udev_enumerate_add_match_children() instead
-	 * when it's available */
-	devnode = NULL;
-	enumerate = udev_enumerate_new(udev);
-	udev_enumerate_add_match_property(enumerate, "ID_PATH", id_path);
-	udev_enumerate_add_match_subsystem(enumerate, "input");
-	udev_enumerate_scan_devices(enumerate);
-	udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
-		struct udev_device *device;
-		const char *node;
-
-		device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
-						      udev_list_entry_get_name(list_entry));
-		if (device == NULL)
-			continue;
-		/* Already found it */
-		if (devnode != NULL) {
-			udev_device_unref(device);
-			continue;
-		}
-
-		node = udev_device_get_devnode(device);
-		if (node == NULL) {
-			udev_device_unref(device);
-			continue;
-		}
-		/* Use the event sub-device */
-		if (strstr(node, "/event") == NULL) {
-			udev_device_unref(device);
-			continue;
-		}
-
-		devnode = strdup(node);
-		udev_device_unref(device);
-	}
-
-	if (devnode == NULL) {
-		fprintf(stderr, "unable to get device node for '%s'\n", devpath);
-		return 0;
-	}
-
-	info(udev, "Opening accelerometer device %s\n", devnode);
-	test_orientation(udev, dev, devnode);
-	free(devnode);
-
-	return 0;
+        struct udev *udev;
+        struct udev_device *dev;
+
+        static const struct option options[] = {
+                { "debug", no_argument, NULL, 'd' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+
+        char devpath[PATH_MAX];
+        char *devnode;
+        const char *id_path;
+        struct udev_enumerate *enumerate;
+        struct udev_list_entry *list_entry;
+
+        udev = udev_new();
+        if (udev == NULL)
+                return 1;
+
+        udev_log_init("input_id");
+        udev_set_log_fn(udev, log_fn);
+
+        /* CLI argument parsing */
+        while (1) {
+                int option;
+
+                option = getopt_long(argc, argv, "dxh", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'd':
+                        debug = 1;
+                        if (udev_get_log_priority(udev) < LOG_INFO)
+                                udev_set_log_priority(udev, LOG_INFO);
+                        break;
+                case 'h':
+                        help();
+                        exit(0);
+                default:
+                        exit(1);
+                }
+        }
+
+        if (argv[optind] == NULL) {
+                help();
+                exit(1);
+        }
+
+        /* get the device */
+        snprintf(devpath, sizeof(devpath), "%s/%s", udev_get_sys_path(udev), argv[optind]);
+        dev = udev_device_new_from_syspath(udev, devpath);
+        if (dev == NULL) {
+                fprintf(stderr, "unable to access '%s'\n", devpath);
+                return 1;
+        }
+
+        id_path = udev_device_get_property_value(dev, "ID_PATH");
+        if (id_path == NULL) {
+                fprintf (stderr, "unable to get property ID_PATH for '%s'", devpath);
+                return 0;
+        }
+
+        /* Get the children devices and find the devnode
+         * FIXME: use udev_enumerate_add_match_children() instead
+         * when it's available */
+        devnode = NULL;
+        enumerate = udev_enumerate_new(udev);
+        udev_enumerate_add_match_property(enumerate, "ID_PATH", id_path);
+        udev_enumerate_add_match_subsystem(enumerate, "input");
+        udev_enumerate_scan_devices(enumerate);
+        udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
+                struct udev_device *device;
+                const char *node;
+
+                device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
+                                                      udev_list_entry_get_name(list_entry));
+                if (device == NULL)
+                        continue;
+                /* Already found it */
+                if (devnode != NULL) {
+                        udev_device_unref(device);
+                        continue;
+                }
+
+                node = udev_device_get_devnode(device);
+                if (node == NULL) {
+                        udev_device_unref(device);
+                        continue;
+                }
+                /* Use the event sub-device */
+                if (strstr(node, "/event") == NULL) {
+                        udev_device_unref(device);
+                        continue;
+                }
+
+                devnode = strdup(node);
+                udev_device_unref(device);
+        }
+
+        if (devnode == NULL) {
+                fprintf(stderr, "unable to get device node for '%s'\n", devpath);
+                return 0;
+        }
+
+        info(udev, "Opening accelerometer device %s\n", devnode);
+        test_orientation(udev, dev, devnode);
+        free(devnode);
+
+        return 0;
 }
diff --git a/src/extras/ata_id/ata_id.c b/src/extras/ata_id/ata_id.c
index 64df86c2..924d479c 100644
--- a/src/extras/ata_id/ata_id.c
+++ b/src/extras/ata_id/ata_id.c
@@ -48,241 +48,241 @@
 #define COMMAND_TIMEOUT_MSEC (30 * 1000)
 
 static int disk_scsi_inquiry_command(int      fd,
-				     void    *buf,
-				     size_t   buf_len)
+                                     void    *buf,
+                                     size_t   buf_len)
 {
-	struct sg_io_v4 io_v4;
-	uint8_t cdb[6];
-	uint8_t sense[32];
-	int ret;
-
-	/*
-	 * INQUIRY, see SPC-4 section 6.4
-	 */
-	memset(cdb, 0, sizeof(cdb));
-	cdb[0] = 0x12;			 /* OPERATION CODE: INQUIRY */
-	cdb[3] = (buf_len >> 8);	 /* ALLOCATION LENGTH */
-	cdb[4] = (buf_len & 0xff);
-
-	memset(sense, 0, sizeof(sense));
-
-	memset(&io_v4, 0, sizeof(struct sg_io_v4));
-	io_v4.guard = 'Q';
-	io_v4.protocol = BSG_PROTOCOL_SCSI;
-	io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD;
-	io_v4.request_len = sizeof (cdb);
-	io_v4.request = (uintptr_t) cdb;
-	io_v4.max_response_len = sizeof (sense);
-	io_v4.response = (uintptr_t) sense;
-	io_v4.din_xfer_len = buf_len;
-	io_v4.din_xferp = (uintptr_t) buf;
-	io_v4.timeout = COMMAND_TIMEOUT_MSEC;
-
-	ret = ioctl(fd, SG_IO, &io_v4);
-	if (ret != 0) {
-		/* could be that the driver doesn't do version 4, try version 3 */
-		if (errno == EINVAL) {
-			struct sg_io_hdr io_hdr;
-
-			memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
-			io_hdr.interface_id = 'S';
-			io_hdr.cmdp = (unsigned char*) cdb;
-			io_hdr.cmd_len = sizeof (cdb);
-			io_hdr.dxferp = buf;
-			io_hdr.dxfer_len = buf_len;
-			io_hdr.sbp = sense;
-			io_hdr.mx_sb_len = sizeof (sense);
-			io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
-			io_hdr.timeout = COMMAND_TIMEOUT_MSEC;
-
-			ret = ioctl(fd, SG_IO, &io_hdr);
-			if (ret != 0)
-				goto out;
-
-			/* even if the ioctl succeeds, we need to check the return value */
-			if (!(io_hdr.status == 0 &&
-			      io_hdr.host_status == 0 &&
-			      io_hdr.driver_status == 0)) {
-				errno = EIO;
-				ret = -1;
-				goto out;
-			}
-		} else {
-			goto out;
-		}
-	}
-
-	/* even if the ioctl succeeds, we need to check the return value */
-	if (!(io_v4.device_status == 0 &&
-	      io_v4.transport_status == 0 &&
-	      io_v4.driver_status == 0)) {
-		errno = EIO;
-		ret = -1;
-		goto out;
-	}
+        struct sg_io_v4 io_v4;
+        uint8_t cdb[6];
+        uint8_t sense[32];
+        int ret;
+
+        /*
+         * INQUIRY, see SPC-4 section 6.4
+         */
+        memset(cdb, 0, sizeof(cdb));
+        cdb[0] = 0x12;                         /* OPERATION CODE: INQUIRY */
+        cdb[3] = (buf_len >> 8);         /* ALLOCATION LENGTH */
+        cdb[4] = (buf_len & 0xff);
+
+        memset(sense, 0, sizeof(sense));
+
+        memset(&io_v4, 0, sizeof(struct sg_io_v4));
+        io_v4.guard = 'Q';
+        io_v4.protocol = BSG_PROTOCOL_SCSI;
+        io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD;
+        io_v4.request_len = sizeof (cdb);
+        io_v4.request = (uintptr_t) cdb;
+        io_v4.max_response_len = sizeof (sense);
+        io_v4.response = (uintptr_t) sense;
+        io_v4.din_xfer_len = buf_len;
+        io_v4.din_xferp = (uintptr_t) buf;
+        io_v4.timeout = COMMAND_TIMEOUT_MSEC;
+
+        ret = ioctl(fd, SG_IO, &io_v4);
+        if (ret != 0) {
+                /* could be that the driver doesn't do version 4, try version 3 */
+                if (errno == EINVAL) {
+                        struct sg_io_hdr io_hdr;
+
+                        memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
+                        io_hdr.interface_id = 'S';
+                        io_hdr.cmdp = (unsigned char*) cdb;
+                        io_hdr.cmd_len = sizeof (cdb);
+                        io_hdr.dxferp = buf;
+                        io_hdr.dxfer_len = buf_len;
+                        io_hdr.sbp = sense;
+                        io_hdr.mx_sb_len = sizeof (sense);
+                        io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
+                        io_hdr.timeout = COMMAND_TIMEOUT_MSEC;
+
+                        ret = ioctl(fd, SG_IO, &io_hdr);
+                        if (ret != 0)
+                                goto out;
+
+                        /* even if the ioctl succeeds, we need to check the return value */
+                        if (!(io_hdr.status == 0 &&
+                              io_hdr.host_status == 0 &&
+                              io_hdr.driver_status == 0)) {
+                                errno = EIO;
+                                ret = -1;
+                                goto out;
+                        }
+                } else {
+                        goto out;
+                }
+        }
+
+        /* even if the ioctl succeeds, we need to check the return value */
+        if (!(io_v4.device_status == 0 &&
+              io_v4.transport_status == 0 &&
+              io_v4.driver_status == 0)) {
+                errno = EIO;
+                ret = -1;
+                goto out;
+        }
 
  out:
-	return ret;
+        return ret;
 }
 
-static int disk_identify_command(int	  fd,
-				 void	 *buf,
-				 size_t	  buf_len)
+static int disk_identify_command(int          fd,
+                                 void         *buf,
+                                 size_t          buf_len)
 {
-	struct sg_io_v4 io_v4;
-	uint8_t cdb[12];
-	uint8_t sense[32];
-	uint8_t *desc = sense+8;
-	int ret;
-
-	/*
-	 * ATA Pass-Through 12 byte command, as described in
-	 *
-	 *  T10 04-262r8 ATA Command Pass-Through
-	 *
-	 * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf
-	 */
-	memset(cdb, 0, sizeof(cdb));
-	cdb[0] = 0xa1;			/* OPERATION CODE: 12 byte pass through */
-	cdb[1] = 4 << 1;		/* PROTOCOL: PIO Data-in */
-	cdb[2] = 0x2e;			/* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
-	cdb[3] = 0;			/* FEATURES */
-	cdb[4] = 1;			/* SECTORS */
-	cdb[5] = 0;			/* LBA LOW */
-	cdb[6] = 0;			/* LBA MID */
-	cdb[7] = 0;			/* LBA HIGH */
-	cdb[8] = 0 & 0x4F;		/* SELECT */
-	cdb[9] = 0xEC;			/* Command: ATA IDENTIFY DEVICE */;
-	memset(sense, 0, sizeof(sense));
-
-	memset(&io_v4, 0, sizeof(struct sg_io_v4));
-	io_v4.guard = 'Q';
-	io_v4.protocol = BSG_PROTOCOL_SCSI;
-	io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD;
-	io_v4.request_len = sizeof (cdb);
-	io_v4.request = (uintptr_t) cdb;
-	io_v4.max_response_len = sizeof (sense);
-	io_v4.response = (uintptr_t) sense;
-	io_v4.din_xfer_len = buf_len;
-	io_v4.din_xferp = (uintptr_t) buf;
-	io_v4.timeout = COMMAND_TIMEOUT_MSEC;
-
-	ret = ioctl(fd, SG_IO, &io_v4);
-	if (ret != 0) {
-		/* could be that the driver doesn't do version 4, try version 3 */
-		if (errno == EINVAL) {
-			struct sg_io_hdr io_hdr;
-
-			memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
-			io_hdr.interface_id = 'S';
-			io_hdr.cmdp = (unsigned char*) cdb;
-			io_hdr.cmd_len = sizeof (cdb);
-			io_hdr.dxferp = buf;
-			io_hdr.dxfer_len = buf_len;
-			io_hdr.sbp = sense;
-			io_hdr.mx_sb_len = sizeof (sense);
-			io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
-			io_hdr.timeout = COMMAND_TIMEOUT_MSEC;
-
-			ret = ioctl(fd, SG_IO, &io_hdr);
-			if (ret != 0)
-				goto out;
-		} else {
-			goto out;
-		}
-	}
-
-	if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) {
-		errno = EIO;
-		ret = -1;
-		goto out;
-	}
+        struct sg_io_v4 io_v4;
+        uint8_t cdb[12];
+        uint8_t sense[32];
+        uint8_t *desc = sense+8;
+        int ret;
+
+        /*
+         * ATA Pass-Through 12 byte command, as described in
+         *
+         *  T10 04-262r8 ATA Command Pass-Through
+         *
+         * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf
+         */
+        memset(cdb, 0, sizeof(cdb));
+        cdb[0] = 0xa1;                        /* OPERATION CODE: 12 byte pass through */
+        cdb[1] = 4 << 1;                /* PROTOCOL: PIO Data-in */
+        cdb[2] = 0x2e;                        /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
+        cdb[3] = 0;                        /* FEATURES */
+        cdb[4] = 1;                        /* SECTORS */
+        cdb[5] = 0;                        /* LBA LOW */
+        cdb[6] = 0;                        /* LBA MID */
+        cdb[7] = 0;                        /* LBA HIGH */
+        cdb[8] = 0 & 0x4F;                /* SELECT */
+        cdb[9] = 0xEC;                        /* Command: ATA IDENTIFY DEVICE */;
+        memset(sense, 0, sizeof(sense));
+
+        memset(&io_v4, 0, sizeof(struct sg_io_v4));
+        io_v4.guard = 'Q';
+        io_v4.protocol = BSG_PROTOCOL_SCSI;
+        io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD;
+        io_v4.request_len = sizeof (cdb);
+        io_v4.request = (uintptr_t) cdb;
+        io_v4.max_response_len = sizeof (sense);
+        io_v4.response = (uintptr_t) sense;
+        io_v4.din_xfer_len = buf_len;
+        io_v4.din_xferp = (uintptr_t) buf;
+        io_v4.timeout = COMMAND_TIMEOUT_MSEC;
+
+        ret = ioctl(fd, SG_IO, &io_v4);
+        if (ret != 0) {
+                /* could be that the driver doesn't do version 4, try version 3 */
+                if (errno == EINVAL) {
+                        struct sg_io_hdr io_hdr;
+
+                        memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
+                        io_hdr.interface_id = 'S';
+                        io_hdr.cmdp = (unsigned char*) cdb;
+                        io_hdr.cmd_len = sizeof (cdb);
+                        io_hdr.dxferp = buf;
+                        io_hdr.dxfer_len = buf_len;
+                        io_hdr.sbp = sense;
+                        io_hdr.mx_sb_len = sizeof (sense);
+                        io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
+                        io_hdr.timeout = COMMAND_TIMEOUT_MSEC;
+
+                        ret = ioctl(fd, SG_IO, &io_hdr);
+                        if (ret != 0)
+                                goto out;
+                } else {
+                        goto out;
+                }
+        }
+
+        if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) {
+                errno = EIO;
+                ret = -1;
+                goto out;
+        }
 
  out:
-	return ret;
+        return ret;
 }
 
-static int disk_identify_packet_device_command(int	  fd,
-					       void	 *buf,
-					       size_t	  buf_len)
+static int disk_identify_packet_device_command(int          fd,
+                                               void         *buf,
+                                               size_t          buf_len)
 {
-	struct sg_io_v4 io_v4;
-	uint8_t cdb[16];
-	uint8_t sense[32];
-	uint8_t *desc = sense+8;
-	int ret;
-
-	/*
-	 * ATA Pass-Through 16 byte command, as described in
-	 *
-	 *  T10 04-262r8 ATA Command Pass-Through
-	 *
-	 * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf
-	 */
-	memset(cdb, 0, sizeof(cdb));
-	cdb[0] = 0x85;			/* OPERATION CODE: 16 byte pass through */
-	cdb[1] = 4 << 1;		/* PROTOCOL: PIO Data-in */
-	cdb[2] = 0x2e;			/* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
-	cdb[3] = 0;			/* FEATURES */
-	cdb[4] = 0;			/* FEATURES */
-	cdb[5] = 0;			/* SECTORS */
-	cdb[6] = 1;			/* SECTORS */
-	cdb[7] = 0;			/* LBA LOW */
-	cdb[8] = 0;			/* LBA LOW */
-	cdb[9] = 0;			/* LBA MID */
-	cdb[10] = 0;			/* LBA MID */
-	cdb[11] = 0;			/* LBA HIGH */
-	cdb[12] = 0;			/* LBA HIGH */
-	cdb[13] = 0;			/* DEVICE */
-	cdb[14] = 0xA1;			/* Command: ATA IDENTIFY PACKET DEVICE */;
-	cdb[15] = 0;			/* CONTROL */
-	memset(sense, 0, sizeof(sense));
-
-	memset(&io_v4, 0, sizeof(struct sg_io_v4));
-	io_v4.guard = 'Q';
-	io_v4.protocol = BSG_PROTOCOL_SCSI;
-	io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD;
-	io_v4.request_len = sizeof (cdb);
-	io_v4.request = (uintptr_t) cdb;
-	io_v4.max_response_len = sizeof (sense);
-	io_v4.response = (uintptr_t) sense;
-	io_v4.din_xfer_len = buf_len;
-	io_v4.din_xferp = (uintptr_t) buf;
-	io_v4.timeout = COMMAND_TIMEOUT_MSEC;
-
-	ret = ioctl(fd, SG_IO, &io_v4);
-	if (ret != 0) {
-		/* could be that the driver doesn't do version 4, try version 3 */
-		if (errno == EINVAL) {
-			struct sg_io_hdr io_hdr;
-
-			memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
-			io_hdr.interface_id = 'S';
-			io_hdr.cmdp = (unsigned char*) cdb;
-			io_hdr.cmd_len = sizeof (cdb);
-			io_hdr.dxferp = buf;
-			io_hdr.dxfer_len = buf_len;
-			io_hdr.sbp = sense;
-			io_hdr.mx_sb_len = sizeof (sense);
-			io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
-			io_hdr.timeout = COMMAND_TIMEOUT_MSEC;
-
-			ret = ioctl(fd, SG_IO, &io_hdr);
-			if (ret != 0)
-				goto out;
-		} else {
-			goto out;
-		}
-	}
-
-	if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) {
-		errno = EIO;
-		ret = -1;
-		goto out;
-	}
+        struct sg_io_v4 io_v4;
+        uint8_t cdb[16];
+        uint8_t sense[32];
+        uint8_t *desc = sense+8;
+        int ret;
+
+        /*
+         * ATA Pass-Through 16 byte command, as described in
+         *
+         *  T10 04-262r8 ATA Command Pass-Through
+         *
+         * from http://www.t10.org/ftp/t10/document.04/04-262r8.pdf
+         */
+        memset(cdb, 0, sizeof(cdb));
+        cdb[0] = 0x85;                        /* OPERATION CODE: 16 byte pass through */
+        cdb[1] = 4 << 1;                /* PROTOCOL: PIO Data-in */
+        cdb[2] = 0x2e;                        /* OFF_LINE=0, CK_COND=1, T_DIR=1, BYT_BLOK=1, T_LENGTH=2 */
+        cdb[3] = 0;                        /* FEATURES */
+        cdb[4] = 0;                        /* FEATURES */
+        cdb[5] = 0;                        /* SECTORS */
+        cdb[6] = 1;                        /* SECTORS */
+        cdb[7] = 0;                        /* LBA LOW */
+        cdb[8] = 0;                        /* LBA LOW */
+        cdb[9] = 0;                        /* LBA MID */
+        cdb[10] = 0;                        /* LBA MID */
+        cdb[11] = 0;                        /* LBA HIGH */
+        cdb[12] = 0;                        /* LBA HIGH */
+        cdb[13] = 0;                        /* DEVICE */
+        cdb[14] = 0xA1;                        /* Command: ATA IDENTIFY PACKET DEVICE */;
+        cdb[15] = 0;                        /* CONTROL */
+        memset(sense, 0, sizeof(sense));
+
+        memset(&io_v4, 0, sizeof(struct sg_io_v4));
+        io_v4.guard = 'Q';
+        io_v4.protocol = BSG_PROTOCOL_SCSI;
+        io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD;
+        io_v4.request_len = sizeof (cdb);
+        io_v4.request = (uintptr_t) cdb;
+        io_v4.max_response_len = sizeof (sense);
+        io_v4.response = (uintptr_t) sense;
+        io_v4.din_xfer_len = buf_len;
+        io_v4.din_xferp = (uintptr_t) buf;
+        io_v4.timeout = COMMAND_TIMEOUT_MSEC;
+
+        ret = ioctl(fd, SG_IO, &io_v4);
+        if (ret != 0) {
+                /* could be that the driver doesn't do version 4, try version 3 */
+                if (errno == EINVAL) {
+                        struct sg_io_hdr io_hdr;
+
+                        memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
+                        io_hdr.interface_id = 'S';
+                        io_hdr.cmdp = (unsigned char*) cdb;
+                        io_hdr.cmd_len = sizeof (cdb);
+                        io_hdr.dxferp = buf;
+                        io_hdr.dxfer_len = buf_len;
+                        io_hdr.sbp = sense;
+                        io_hdr.mx_sb_len = sizeof (sense);
+                        io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
+                        io_hdr.timeout = COMMAND_TIMEOUT_MSEC;
+
+                        ret = ioctl(fd, SG_IO, &io_hdr);
+                        if (ret != 0)
+                                goto out;
+                } else {
+                        goto out;
+                }
+        }
+
+        if (!(sense[0] == 0x72 && desc[0] == 0x9 && desc[1] == 0x0c)) {
+                errno = EIO;
+                ret = -1;
+                goto out;
+        }
 
  out:
-	return ret;
+        return ret;
 }
 
 /**
@@ -295,43 +295,43 @@ static int disk_identify_packet_device_command(int	  fd,
  * Copies the ATA string from @identify located at @offset_words into @dest.
  */
 static void disk_identify_get_string (uint8_t identify[512],
-				      unsigned int offset_words,
-				      char *dest,
-				      size_t dest_len)
+                                      unsigned int offset_words,
+                                      char *dest,
+                                      size_t dest_len)
 {
-	unsigned int c1;
-	unsigned int c2;
-
-	assert (identify != NULL);
-	assert (dest != NULL);
-	assert ((dest_len & 1) == 0);
-
-	while (dest_len > 0) {
-		c1 = ((uint16_t *) identify)[offset_words] >> 8;
-		c2 = ((uint16_t *) identify)[offset_words] & 0xff;
-		*dest = c1;
-		dest++;
-		*dest = c2;
-		dest++;
-		offset_words++;
-		dest_len -= 2;
-	}
+        unsigned int c1;
+        unsigned int c2;
+
+        assert (identify != NULL);
+        assert (dest != NULL);
+        assert ((dest_len & 1) == 0);
+
+        while (dest_len > 0) {
+                c1 = ((uint16_t *) identify)[offset_words] >> 8;
+                c2 = ((uint16_t *) identify)[offset_words] & 0xff;
+                *dest = c1;
+                dest++;
+                *dest = c2;
+                dest++;
+                offset_words++;
+                dest_len -= 2;
+        }
 }
 
 static void disk_identify_fixup_string (uint8_t identify[512],
-					unsigned int offset_words,
-					size_t len)
+                                        unsigned int offset_words,
+                                        size_t len)
 {
-	disk_identify_get_string(identify, offset_words,
-				 (char *) identify + offset_words * 2, len);
+        disk_identify_get_string(identify, offset_words,
+                                 (char *) identify + offset_words * 2, len);
 }
 
 static void disk_identify_fixup_uint16 (uint8_t identify[512], unsigned int offset_words)
 {
-	uint16_t *p;
+        uint16_t *p;
 
-	p = (uint16_t *) identify;
-	p[offset_words] = le16toh (p[offset_words]);
+        p = (uint16_t *) identify;
+        p[offset_words] = le16toh (p[offset_words]);
 }
 
 /**
@@ -352,375 +352,375 @@ static void disk_identify_fixup_uint16 (uint8_t identify[512], unsigned int offs
  * non-zero with errno set.
  */
 static int disk_identify (struct udev *udev,
-			  int	       fd,
-			  uint8_t      out_identify[512],
-			  int	      *out_is_packet_device)
+                          int               fd,
+                          uint8_t      out_identify[512],
+                          int              *out_is_packet_device)
 {
-	int ret;
-	uint8_t inquiry_buf[36];
-	int peripheral_device_type;
-	int all_nul_bytes;
-	int n;
-	int is_packet_device;
-
-	assert (out_identify != NULL);
-
-	/* init results */
-	ret = -1;
-	memset (out_identify, '\0', 512);
-	is_packet_device = 0;
-
-	/* If we were to use ATA PASS_THROUGH (12) on an ATAPI device
-	 * we could accidentally blank media. This is because MMC's BLANK
-	 * command has the same op-code (0x61).
-	 *
-	 * To prevent this from happening we bail out if the device
-	 * isn't a Direct Access Block Device, e.g. SCSI type 0x00
-	 * (CD/DVD devices are type 0x05). So we send a SCSI INQUIRY
-	 * command first... libata is handling this via its SCSI
-	 * emulation layer.
-	 *
-	 * This also ensures that we're actually dealing with a device
-	 * that understands SCSI commands.
-	 *
-	 * (Yes, it is a bit perverse that we're tunneling the ATA
-	 * command through SCSI and relying on the ATA driver
-	 * emulating SCSI well-enough...)
-	 *
-	 * (See commit 160b069c25690bfb0c785994c7c3710289179107 for
-	 * the original bug-fix and see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=556635
-	 * for the original bug-report.)
-	 */
-	ret = disk_scsi_inquiry_command (fd, inquiry_buf, sizeof (inquiry_buf));
-	if (ret != 0)
-		goto out;
-
-	/* SPC-4, section 6.4.2: Standard INQUIRY data */
-	peripheral_device_type = inquiry_buf[0] & 0x1f;
-	if (peripheral_device_type == 0x05)
-	  {
-	    is_packet_device = 1;
-	    ret = disk_identify_packet_device_command(fd, out_identify, 512);
-	    goto check_nul_bytes;
-	  }
-	if (peripheral_device_type != 0x00) {
-		ret = -1;
-		errno = EIO;
-		goto out;
-	}
-
-	/* OK, now issue the IDENTIFY DEVICE command */
-	ret = disk_identify_command(fd, out_identify, 512);
-	if (ret != 0)
-		goto out;
+        int ret;
+        uint8_t inquiry_buf[36];
+        int peripheral_device_type;
+        int all_nul_bytes;
+        int n;
+        int is_packet_device;
+
+        assert (out_identify != NULL);
+
+        /* init results */
+        ret = -1;
+        memset (out_identify, '\0', 512);
+        is_packet_device = 0;
+
+        /* If we were to use ATA PASS_THROUGH (12) on an ATAPI device
+         * we could accidentally blank media. This is because MMC's BLANK
+         * command has the same op-code (0x61).
+         *
+         * To prevent this from happening we bail out if the device
+         * isn't a Direct Access Block Device, e.g. SCSI type 0x00
+         * (CD/DVD devices are type 0x05). So we send a SCSI INQUIRY
+         * command first... libata is handling this via its SCSI
+         * emulation layer.
+         *
+         * This also ensures that we're actually dealing with a device
+         * that understands SCSI commands.
+         *
+         * (Yes, it is a bit perverse that we're tunneling the ATA
+         * command through SCSI and relying on the ATA driver
+         * emulating SCSI well-enough...)
+         *
+         * (See commit 160b069c25690bfb0c785994c7c3710289179107 for
+         * the original bug-fix and see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=556635
+         * for the original bug-report.)
+         */
+        ret = disk_scsi_inquiry_command (fd, inquiry_buf, sizeof (inquiry_buf));
+        if (ret != 0)
+                goto out;
+
+        /* SPC-4, section 6.4.2: Standard INQUIRY data */
+        peripheral_device_type = inquiry_buf[0] & 0x1f;
+        if (peripheral_device_type == 0x05)
+          {
+            is_packet_device = 1;
+            ret = disk_identify_packet_device_command(fd, out_identify, 512);
+            goto check_nul_bytes;
+          }
+        if (peripheral_device_type != 0x00) {
+                ret = -1;
+                errno = EIO;
+                goto out;
+        }
+
+        /* OK, now issue the IDENTIFY DEVICE command */
+        ret = disk_identify_command(fd, out_identify, 512);
+        if (ret != 0)
+                goto out;
 
  check_nul_bytes:
-	 /* Check if IDENTIFY data is all NUL bytes - if so, bail */
-	all_nul_bytes = 1;
-	for (n = 0; n < 512; n++) {
-		if (out_identify[n] != '\0') {
-			all_nul_bytes = 0;
-			break;
-		}
-	}
-
-	if (all_nul_bytes) {
-		ret = -1;
-		errno = EIO;
-		goto out;
-	}
+         /* Check if IDENTIFY data is all NUL bytes - if so, bail */
+        all_nul_bytes = 1;
+        for (n = 0; n < 512; n++) {
+                if (out_identify[n] != '\0') {
+                        all_nul_bytes = 0;
+                        break;
+                }
+        }
+
+        if (all_nul_bytes) {
+                ret = -1;
+                errno = EIO;
+                goto out;
+        }
 
 out:
-	if (out_is_packet_device != NULL)
-	  *out_is_packet_device = is_packet_device;
-	return ret;
+        if (out_is_packet_device != NULL)
+          *out_is_packet_device = is_packet_device;
+        return ret;
 }
 
 static void log_fn(struct udev *udev, int priority,
-		   const char *file, int line, const char *fn,
-		   const char *format, va_list args)
+                   const char *file, int line, const char *fn,
+                   const char *format, va_list args)
 {
-	vsyslog(priority, format, args);
+        vsyslog(priority, format, args);
 }
 
 int main(int argc, char *argv[])
 {
-	struct udev *udev;
-	struct hd_driveid id;
-	uint8_t identify[512];
-	uint16_t *identify_words;
-	char model[41];
-	char model_enc[256];
-	char serial[21];
-	char revision[9];
-	const char *node = NULL;
-	int export = 0;
-	int fd;
-	uint16_t word;
-	int rc = 0;
-	int is_packet_device = 0;
-	static const struct option options[] = {
-		{ "export", no_argument, NULL, 'x' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-
-	udev = udev_new();
-	if (udev == NULL)
-		goto exit;
-
-	udev_log_init("ata_id");
-	udev_set_log_fn(udev, log_fn);
-
-	while (1) {
-		int option;
-
-		option = getopt_long(argc, argv, "xh", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'x':
-			export = 1;
-			break;
-		case 'h':
-			printf("Usage: ata_id [--export] [--help] <device>\n"
-			       "  --export    print values as environment keys\n"
-			       "  --help      print this help text\n\n");
-			goto exit;
-		}
-	}
-
-	node = argv[optind];
-	if (node == NULL) {
-		err(udev, "no node specified\n");
-		rc = 1;
-		goto exit;
-	}
-
-	fd = open(node, O_RDONLY|O_NONBLOCK);
-	if (fd < 0) {
-		err(udev, "unable to open '%s'\n", node);
-		rc = 1;
-		goto exit;
-	}
-
-	if (disk_identify(udev, fd, identify, &is_packet_device) == 0) {
-		/*
-		 * fix up only the fields from the IDENTIFY data that we are going to
-		 * use and copy it into the hd_driveid struct for convenience
-		 */
-		disk_identify_fixup_string (identify,  10, 20);	/* serial */
-		disk_identify_fixup_string (identify,  23,  6);	/* fwrev */
-		disk_identify_fixup_string (identify,  27, 40);	/* model */
-		disk_identify_fixup_uint16 (identify,	0);	/* configuration */
-		disk_identify_fixup_uint16 (identify,  75);	/* queue depth */
-		disk_identify_fixup_uint16 (identify,  75);	/* SATA capabilities */
-		disk_identify_fixup_uint16 (identify,  82);	/* command set supported */
-		disk_identify_fixup_uint16 (identify,  83);	/* command set supported */
-		disk_identify_fixup_uint16 (identify,  84);	/* command set supported */
-		disk_identify_fixup_uint16 (identify,  85);	/* command set supported */
-		disk_identify_fixup_uint16 (identify,  86);	/* command set supported */
-		disk_identify_fixup_uint16 (identify,  87);	/* command set supported */
-		disk_identify_fixup_uint16 (identify,  89);	/* time required for SECURITY ERASE UNIT */
-		disk_identify_fixup_uint16 (identify,  90);	/* time required for enhanced SECURITY ERASE UNIT */
-		disk_identify_fixup_uint16 (identify,  91);	/* current APM values */
-		disk_identify_fixup_uint16 (identify,  94);	/* current AAM value */
-		disk_identify_fixup_uint16 (identify, 128);	/* device lock function */
-		disk_identify_fixup_uint16 (identify, 217);	/* nominal media rotation rate */
-		memcpy(&id, identify, sizeof id);
-	} else {
-		/* If this fails, then try HDIO_GET_IDENTITY */
-		if (ioctl(fd, HDIO_GET_IDENTITY, &id) != 0) {
-			if (errno == ENOTTY) {
-				info(udev, "HDIO_GET_IDENTITY unsupported for '%s'\n", node);
-				rc = 2;
-			} else {
-				err(udev, "HDIO_GET_IDENTITY failed for '%s': %m\n", node);
-				rc = 3;
-			}
-			goto close;
-		}
-	}
-	identify_words = (uint16_t *) identify;
-
-	memcpy (model, id.model, 40);
-	model[40] = '\0';
-	udev_util_encode_string(model, model_enc, sizeof(model_enc));
-	util_replace_whitespace((char *) id.model, model, 40);
-	util_replace_chars(model, NULL);
-	util_replace_whitespace((char *) id.serial_no, serial, 20);
-	util_replace_chars(serial, NULL);
-	util_replace_whitespace((char *) id.fw_rev, revision, 8);
-	util_replace_chars(revision, NULL);
-
-	if (export) {
-		/* Set this to convey the disk speaks the ATA protocol */
-		printf("ID_ATA=1\n");
-
-		if ((id.config >> 8) & 0x80) {
-			/* This is an ATAPI device */
-			switch ((id.config >> 8) & 0x1f) {
-			case 0:
-				printf("ID_TYPE=cd\n");
-				break;
-			case 1:
-				printf("ID_TYPE=tape\n");
-				break;
-			case 5:
-				printf("ID_TYPE=cd\n");
-				break;
-			case 7:
-				printf("ID_TYPE=optical\n");
-				break;
-			default:
-				printf("ID_TYPE=generic\n");
-				break;
-			}
-		} else {
-			printf("ID_TYPE=disk\n");
-		}
-		printf("ID_BUS=ata\n");
-		printf("ID_MODEL=%s\n", model);
-		printf("ID_MODEL_ENC=%s\n", model_enc);
-		printf("ID_REVISION=%s\n", revision);
-		if (serial[0] != '\0') {
-			printf("ID_SERIAL=%s_%s\n", model, serial);
-			printf("ID_SERIAL_SHORT=%s\n", serial);
-		} else {
-			printf("ID_SERIAL=%s\n", model);
-		}
-
-		if (id.command_set_1 & (1<<5)) {
-			printf ("ID_ATA_WRITE_CACHE=1\n");
-			printf ("ID_ATA_WRITE_CACHE_ENABLED=%d\n", (id.cfs_enable_1 & (1<<5)) ? 1 : 0);
-		}
-		if (id.command_set_1 & (1<<10)) {
-			printf("ID_ATA_FEATURE_SET_HPA=1\n");
-			printf("ID_ATA_FEATURE_SET_HPA_ENABLED=%d\n", (id.cfs_enable_1 & (1<<10)) ? 1 : 0);
-
-			/*
-			 * TODO: use the READ NATIVE MAX ADDRESS command to get the native max address
-			 * so it is easy to check whether the protected area is in use.
-			 */
-		}
-		if (id.command_set_1 & (1<<3)) {
-			printf("ID_ATA_FEATURE_SET_PM=1\n");
-			printf("ID_ATA_FEATURE_SET_PM_ENABLED=%d\n", (id.cfs_enable_1 & (1<<3)) ? 1 : 0);
-		}
-		if (id.command_set_1 & (1<<1)) {
-			printf("ID_ATA_FEATURE_SET_SECURITY=1\n");
-			printf("ID_ATA_FEATURE_SET_SECURITY_ENABLED=%d\n", (id.cfs_enable_1 & (1<<1)) ? 1 : 0);
-			printf("ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=%d\n", id.trseuc * 2);
-			if ((id.cfs_enable_1 & (1<<1))) /* enabled */ {
-				if (id.dlf & (1<<8))
-					printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=maximum\n");
-				else
-					printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=high\n");
-			}
-			if (id.dlf & (1<<5))
-				printf("ID_ATA_FEATURE_SET_SECURITY_ENHANCED_ERASE_UNIT_MIN=%d\n", id.trsEuc * 2);
-			if (id.dlf & (1<<4))
-				printf("ID_ATA_FEATURE_SET_SECURITY_EXPIRE=1\n");
-			if (id.dlf & (1<<3))
-				printf("ID_ATA_FEATURE_SET_SECURITY_FROZEN=1\n");
-			if (id.dlf & (1<<2))
-				printf("ID_ATA_FEATURE_SET_SECURITY_LOCKED=1\n");
-		}
-		if (id.command_set_1 & (1<<0)) {
-			printf("ID_ATA_FEATURE_SET_SMART=1\n");
-			printf("ID_ATA_FEATURE_SET_SMART_ENABLED=%d\n", (id.cfs_enable_1 & (1<<0)) ? 1 : 0);
-		}
-		if (id.command_set_2 & (1<<9)) {
-			printf("ID_ATA_FEATURE_SET_AAM=1\n");
-			printf("ID_ATA_FEATURE_SET_AAM_ENABLED=%d\n", (id.cfs_enable_2 & (1<<9)) ? 1 : 0);
-			printf("ID_ATA_FEATURE_SET_AAM_VENDOR_RECOMMENDED_VALUE=%d\n", id.acoustic >> 8);
-			printf("ID_ATA_FEATURE_SET_AAM_CURRENT_VALUE=%d\n", id.acoustic & 0xff);
-		}
-		if (id.command_set_2 & (1<<5)) {
-			printf("ID_ATA_FEATURE_SET_PUIS=1\n");
-			printf("ID_ATA_FEATURE_SET_PUIS_ENABLED=%d\n", (id.cfs_enable_2 & (1<<5)) ? 1 : 0);
-		}
-		if (id.command_set_2 & (1<<3)) {
-			printf("ID_ATA_FEATURE_SET_APM=1\n");
-			printf("ID_ATA_FEATURE_SET_APM_ENABLED=%d\n", (id.cfs_enable_2 & (1<<3)) ? 1 : 0);
-			if ((id.cfs_enable_2 & (1<<3)))
-				printf("ID_ATA_FEATURE_SET_APM_CURRENT_VALUE=%d\n", id.CurAPMvalues & 0xff);
-		}
-		if (id.command_set_2 & (1<<0))
-			printf("ID_ATA_DOWNLOAD_MICROCODE=1\n");
-
-		/*
-		 * Word 76 indicates the capabilities of a SATA device. A PATA device shall set
-		 * word 76 to 0000h or FFFFh. If word 76 is set to 0000h or FFFFh, then
-		 * the device does not claim compliance with the Serial ATA specification and words
-		 * 76 through 79 are not valid and shall be ignored.
-		 */
-		word = *((uint16_t *) identify + 76);
-		if (word != 0x0000 && word != 0xffff) {
-			printf("ID_ATA_SATA=1\n");
-			/*
-			 * If bit 2 of word 76 is set to one, then the device supports the Gen2
-			 * signaling rate of 3.0 Gb/s (see SATA 2.6).
-			 *
-			 * If bit 1 of word 76 is set to one, then the device supports the Gen1
-			 * signaling rate of 1.5 Gb/s (see SATA 2.6).
-			 */
-			if (word & (1<<2))
-				printf("ID_ATA_SATA_SIGNAL_RATE_GEN2=1\n");
-			if (word & (1<<1))
-				printf("ID_ATA_SATA_SIGNAL_RATE_GEN1=1\n");
-		}
-
-		/* Word 217 indicates the nominal media rotation rate of the device */
-		word = *((uint16_t *) identify + 217);
-		if (word != 0x0000) {
-			if (word == 0x0001) {
-				printf ("ID_ATA_ROTATION_RATE_RPM=0\n"); /* non-rotating e.g. SSD */
-			} else if (word >= 0x0401 && word <= 0xfffe) {
-				printf ("ID_ATA_ROTATION_RATE_RPM=%d\n", word);
-			}
-		}
-
-		/*
-		 * Words 108-111 contain a mandatory World Wide Name (WWN) in the NAA IEEE Registered identifier
-		 * format. Word 108 bits (15:12) shall contain 5h, indicating that the naming authority is IEEE.
-		 * All other values are reserved.
-		 */
-		word = *((uint16_t *) identify + 108);
-		if ((word & 0xf000) == 0x5000) {
-			uint64_t wwwn;
-
-			wwwn   = *((uint16_t *) identify + 108);
-			wwwn <<= 16;
-			wwwn  |= *((uint16_t *) identify + 109);
-			wwwn <<= 16;
-			wwwn  |= *((uint16_t *) identify + 110);
-			wwwn <<= 16;
-			wwwn  |= *((uint16_t *) identify + 111);
-			printf("ID_WWN=0x%llx\n", (unsigned long long int) wwwn);
-			/* ATA devices have no vendor extension */
-			printf("ID_WWN_WITH_EXTENSION=0x%llx\n", (unsigned long long int) wwwn);
-		}
-
-		/* from Linux's include/linux/ata.h */
-		if (identify_words[0] == 0x848a || identify_words[0] == 0x844a) {
-			printf("ID_ATA_CFA=1\n");
-		} else {
-			if ((identify_words[83] & 0xc004) == 0x4004) {
-				printf("ID_ATA_CFA=1\n");
-			}
-		}
-	} else {
-		if (serial[0] != '\0')
-			printf("%s_%s\n", model, serial);
-		else
-			printf("%s\n", model);
-	}
+        struct udev *udev;
+        struct hd_driveid id;
+        uint8_t identify[512];
+        uint16_t *identify_words;
+        char model[41];
+        char model_enc[256];
+        char serial[21];
+        char revision[9];
+        const char *node = NULL;
+        int export = 0;
+        int fd;
+        uint16_t word;
+        int rc = 0;
+        int is_packet_device = 0;
+        static const struct option options[] = {
+                { "export", no_argument, NULL, 'x' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+
+        udev = udev_new();
+        if (udev == NULL)
+                goto exit;
+
+        udev_log_init("ata_id");
+        udev_set_log_fn(udev, log_fn);
+
+        while (1) {
+                int option;
+
+                option = getopt_long(argc, argv, "xh", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'x':
+                        export = 1;
+                        break;
+                case 'h':
+                        printf("Usage: ata_id [--export] [--help] <device>\n"
+                               "  --export    print values as environment keys\n"
+                               "  --help      print this help text\n\n");
+                        goto exit;
+                }
+        }
+
+        node = argv[optind];
+        if (node == NULL) {
+                err(udev, "no node specified\n");
+                rc = 1;
+                goto exit;
+        }
+
+        fd = open(node, O_RDONLY|O_NONBLOCK);
+        if (fd < 0) {
+                err(udev, "unable to open '%s'\n", node);
+                rc = 1;
+                goto exit;
+        }
+
+        if (disk_identify(udev, fd, identify, &is_packet_device) == 0) {
+                /*
+                 * fix up only the fields from the IDENTIFY data that we are going to
+                 * use and copy it into the hd_driveid struct for convenience
+                 */
+                disk_identify_fixup_string (identify,  10, 20);        /* serial */
+                disk_identify_fixup_string (identify,  23,  6);        /* fwrev */
+                disk_identify_fixup_string (identify,  27, 40);        /* model */
+                disk_identify_fixup_uint16 (identify,        0);        /* configuration */
+                disk_identify_fixup_uint16 (identify,  75);        /* queue depth */
+                disk_identify_fixup_uint16 (identify,  75);        /* SATA capabilities */
+                disk_identify_fixup_uint16 (identify,  82);        /* command set supported */
+                disk_identify_fixup_uint16 (identify,  83);        /* command set supported */
+                disk_identify_fixup_uint16 (identify,  84);        /* command set supported */
+                disk_identify_fixup_uint16 (identify,  85);        /* command set supported */
+                disk_identify_fixup_uint16 (identify,  86);        /* command set supported */
+                disk_identify_fixup_uint16 (identify,  87);        /* command set supported */
+                disk_identify_fixup_uint16 (identify,  89);        /* time required for SECURITY ERASE UNIT */
+                disk_identify_fixup_uint16 (identify,  90);        /* time required for enhanced SECURITY ERASE UNIT */
+                disk_identify_fixup_uint16 (identify,  91);        /* current APM values */
+                disk_identify_fixup_uint16 (identify,  94);        /* current AAM value */
+                disk_identify_fixup_uint16 (identify, 128);        /* device lock function */
+                disk_identify_fixup_uint16 (identify, 217);        /* nominal media rotation rate */
+                memcpy(&id, identify, sizeof id);
+        } else {
+                /* If this fails, then try HDIO_GET_IDENTITY */
+                if (ioctl(fd, HDIO_GET_IDENTITY, &id) != 0) {
+                        if (errno == ENOTTY) {
+                                info(udev, "HDIO_GET_IDENTITY unsupported for '%s'\n", node);
+                                rc = 2;
+                        } else {
+                                err(udev, "HDIO_GET_IDENTITY failed for '%s': %m\n", node);
+                                rc = 3;
+                        }
+                        goto close;
+                }
+        }
+        identify_words = (uint16_t *) identify;
+
+        memcpy (model, id.model, 40);
+        model[40] = '\0';
+        udev_util_encode_string(model, model_enc, sizeof(model_enc));
+        util_replace_whitespace((char *) id.model, model, 40);
+        util_replace_chars(model, NULL);
+        util_replace_whitespace((char *) id.serial_no, serial, 20);
+        util_replace_chars(serial, NULL);
+        util_replace_whitespace((char *) id.fw_rev, revision, 8);
+        util_replace_chars(revision, NULL);
+
+        if (export) {
+                /* Set this to convey the disk speaks the ATA protocol */
+                printf("ID_ATA=1\n");
+
+                if ((id.config >> 8) & 0x80) {
+                        /* This is an ATAPI device */
+                        switch ((id.config >> 8) & 0x1f) {
+                        case 0:
+                                printf("ID_TYPE=cd\n");
+                                break;
+                        case 1:
+                                printf("ID_TYPE=tape\n");
+                                break;
+                        case 5:
+                                printf("ID_TYPE=cd\n");
+                                break;
+                        case 7:
+                                printf("ID_TYPE=optical\n");
+                                break;
+                        default:
+                                printf("ID_TYPE=generic\n");
+                                break;
+                        }
+                } else {
+                        printf("ID_TYPE=disk\n");
+                }
+                printf("ID_BUS=ata\n");
+                printf("ID_MODEL=%s\n", model);
+                printf("ID_MODEL_ENC=%s\n", model_enc);
+                printf("ID_REVISION=%s\n", revision);
+                if (serial[0] != '\0') {
+                        printf("ID_SERIAL=%s_%s\n", model, serial);
+                        printf("ID_SERIAL_SHORT=%s\n", serial);
+                } else {
+                        printf("ID_SERIAL=%s\n", model);
+                }
+
+                if (id.command_set_1 & (1<<5)) {
+                        printf ("ID_ATA_WRITE_CACHE=1\n");
+                        printf ("ID_ATA_WRITE_CACHE_ENABLED=%d\n", (id.cfs_enable_1 & (1<<5)) ? 1 : 0);
+                }
+                if (id.command_set_1 & (1<<10)) {
+                        printf("ID_ATA_FEATURE_SET_HPA=1\n");
+                        printf("ID_ATA_FEATURE_SET_HPA_ENABLED=%d\n", (id.cfs_enable_1 & (1<<10)) ? 1 : 0);
+
+                        /*
+                         * TODO: use the READ NATIVE MAX ADDRESS command to get the native max address
+                         * so it is easy to check whether the protected area is in use.
+                         */
+                }
+                if (id.command_set_1 & (1<<3)) {
+                        printf("ID_ATA_FEATURE_SET_PM=1\n");
+                        printf("ID_ATA_FEATURE_SET_PM_ENABLED=%d\n", (id.cfs_enable_1 & (1<<3)) ? 1 : 0);
+                }
+                if (id.command_set_1 & (1<<1)) {
+                        printf("ID_ATA_FEATURE_SET_SECURITY=1\n");
+                        printf("ID_ATA_FEATURE_SET_SECURITY_ENABLED=%d\n", (id.cfs_enable_1 & (1<<1)) ? 1 : 0);
+                        printf("ID_ATA_FEATURE_SET_SECURITY_ERASE_UNIT_MIN=%d\n", id.trseuc * 2);
+                        if ((id.cfs_enable_1 & (1<<1))) /* enabled */ {
+                                if (id.dlf & (1<<8))
+                                        printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=maximum\n");
+                                else
+                                        printf("ID_ATA_FEATURE_SET_SECURITY_LEVEL=high\n");
+                        }
+                        if (id.dlf & (1<<5))
+                                printf("ID_ATA_FEATURE_SET_SECURITY_ENHANCED_ERASE_UNIT_MIN=%d\n", id.trsEuc * 2);
+                        if (id.dlf & (1<<4))
+                                printf("ID_ATA_FEATURE_SET_SECURITY_EXPIRE=1\n");
+                        if (id.dlf & (1<<3))
+                                printf("ID_ATA_FEATURE_SET_SECURITY_FROZEN=1\n");
+                        if (id.dlf & (1<<2))
+                                printf("ID_ATA_FEATURE_SET_SECURITY_LOCKED=1\n");
+                }
+                if (id.command_set_1 & (1<<0)) {
+                        printf("ID_ATA_FEATURE_SET_SMART=1\n");
+                        printf("ID_ATA_FEATURE_SET_SMART_ENABLED=%d\n", (id.cfs_enable_1 & (1<<0)) ? 1 : 0);
+                }
+                if (id.command_set_2 & (1<<9)) {
+                        printf("ID_ATA_FEATURE_SET_AAM=1\n");
+                        printf("ID_ATA_FEATURE_SET_AAM_ENABLED=%d\n", (id.cfs_enable_2 & (1<<9)) ? 1 : 0);
+                        printf("ID_ATA_FEATURE_SET_AAM_VENDOR_RECOMMENDED_VALUE=%d\n", id.acoustic >> 8);
+                        printf("ID_ATA_FEATURE_SET_AAM_CURRENT_VALUE=%d\n", id.acoustic & 0xff);
+                }
+                if (id.command_set_2 & (1<<5)) {
+                        printf("ID_ATA_FEATURE_SET_PUIS=1\n");
+                        printf("ID_ATA_FEATURE_SET_PUIS_ENABLED=%d\n", (id.cfs_enable_2 & (1<<5)) ? 1 : 0);
+                }
+                if (id.command_set_2 & (1<<3)) {
+                        printf("ID_ATA_FEATURE_SET_APM=1\n");
+                        printf("ID_ATA_FEATURE_SET_APM_ENABLED=%d\n", (id.cfs_enable_2 & (1<<3)) ? 1 : 0);
+                        if ((id.cfs_enable_2 & (1<<3)))
+                                printf("ID_ATA_FEATURE_SET_APM_CURRENT_VALUE=%d\n", id.CurAPMvalues & 0xff);
+                }
+                if (id.command_set_2 & (1<<0))
+                        printf("ID_ATA_DOWNLOAD_MICROCODE=1\n");
+
+                /*
+                 * Word 76 indicates the capabilities of a SATA device. A PATA device shall set
+                 * word 76 to 0000h or FFFFh. If word 76 is set to 0000h or FFFFh, then
+                 * the device does not claim compliance with the Serial ATA specification and words
+                 * 76 through 79 are not valid and shall be ignored.
+                 */
+                word = *((uint16_t *) identify + 76);
+                if (word != 0x0000 && word != 0xffff) {
+                        printf("ID_ATA_SATA=1\n");
+                        /*
+                         * If bit 2 of word 76 is set to one, then the device supports the Gen2
+                         * signaling rate of 3.0 Gb/s (see SATA 2.6).
+                         *
+                         * If bit 1 of word 76 is set to one, then the device supports the Gen1
+                         * signaling rate of 1.5 Gb/s (see SATA 2.6).
+                         */
+                        if (word & (1<<2))
+                                printf("ID_ATA_SATA_SIGNAL_RATE_GEN2=1\n");
+                        if (word & (1<<1))
+                                printf("ID_ATA_SATA_SIGNAL_RATE_GEN1=1\n");
+                }
+
+                /* Word 217 indicates the nominal media rotation rate of the device */
+                word = *((uint16_t *) identify + 217);
+                if (word != 0x0000) {
+                        if (word == 0x0001) {
+                                printf ("ID_ATA_ROTATION_RATE_RPM=0\n"); /* non-rotating e.g. SSD */
+                        } else if (word >= 0x0401 && word <= 0xfffe) {
+                                printf ("ID_ATA_ROTATION_RATE_RPM=%d\n", word);
+                        }
+                }
+
+                /*
+                 * Words 108-111 contain a mandatory World Wide Name (WWN) in the NAA IEEE Registered identifier
+                 * format. Word 108 bits (15:12) shall contain 5h, indicating that the naming authority is IEEE.
+                 * All other values are reserved.
+                 */
+                word = *((uint16_t *) identify + 108);
+                if ((word & 0xf000) == 0x5000) {
+                        uint64_t wwwn;
+
+                        wwwn   = *((uint16_t *) identify + 108);
+                        wwwn <<= 16;
+                        wwwn  |= *((uint16_t *) identify + 109);
+                        wwwn <<= 16;
+                        wwwn  |= *((uint16_t *) identify + 110);
+                        wwwn <<= 16;
+                        wwwn  |= *((uint16_t *) identify + 111);
+                        printf("ID_WWN=0x%llx\n", (unsigned long long int) wwwn);
+                        /* ATA devices have no vendor extension */
+                        printf("ID_WWN_WITH_EXTENSION=0x%llx\n", (unsigned long long int) wwwn);
+                }
+
+                /* from Linux's include/linux/ata.h */
+                if (identify_words[0] == 0x848a || identify_words[0] == 0x844a) {
+                        printf("ID_ATA_CFA=1\n");
+                } else {
+                        if ((identify_words[83] & 0xc004) == 0x4004) {
+                                printf("ID_ATA_CFA=1\n");
+                        }
+                }
+        } else {
+                if (serial[0] != '\0')
+                        printf("%s_%s\n", model, serial);
+                else
+                        printf("%s\n", model);
+        }
 close:
-	close(fd);
+        close(fd);
 exit:
-	udev_unref(udev);
-	udev_log_close();
-	return rc;
+        udev_unref(udev);
+        udev_log_close();
+        return rc;
 }
diff --git a/src/extras/cdrom_id/cdrom_id.c b/src/extras/cdrom_id/cdrom_id.c
index 664a00d2..daaebee1 100644
--- a/src/extras/cdrom_id/cdrom_id.c
+++ b/src/extras/cdrom_id/cdrom_id.c
@@ -44,15 +44,15 @@
 static bool debug;
 
 static void log_fn(struct udev *udev, int priority,
-		   const char *file, int line, const char *fn,
-		   const char *format, va_list args)
+                   const char *file, int line, const char *fn,
+                   const char *format, va_list args)
 {
-	if (debug) {
-		fprintf(stderr, "%s: ", fn);
-		vfprintf(stderr, format, args);
-	} else {
-		vsyslog(priority, format, args);
-	}
+        if (debug) {
+                fprintf(stderr, "%s: ", fn);
+                vfprintf(stderr, format, args);
+        } else {
+                vsyslog(priority, format, args);
+        }
 }
 
 /* device info */
@@ -110,990 +110,990 @@ static unsigned int cd_media_track_count_data = 0;
 static unsigned int cd_media_track_count_audio = 0;
 static unsigned long long int cd_media_session_last_offset = 0;
 
-#define ERRCODE(s)	((((s)[2] & 0x0F) << 16) | ((s)[12] << 8) | ((s)[13]))
-#define SK(errcode)	(((errcode) >> 16) & 0xF)
-#define ASC(errcode)	(((errcode) >> 8) & 0xFF)
-#define ASCQ(errcode)	((errcode) & 0xFF)
+#define ERRCODE(s)        ((((s)[2] & 0x0F) << 16) | ((s)[12] << 8) | ((s)[13]))
+#define SK(errcode)        (((errcode) >> 16) & 0xF)
+#define ASC(errcode)        (((errcode) >> 8) & 0xFF)
+#define ASCQ(errcode)        ((errcode) & 0xFF)
 
 static int is_mounted(const char *device)
 {
-	struct stat statbuf;
-	FILE *fp;
-	int maj, min;
-	int mounted = 0;
-
-	if (stat(device, &statbuf) < 0)
-		return -ENODEV;
-
-	fp = fopen("/proc/self/mountinfo", "r");
-	if (fp == NULL)
-		return -ENOSYS;
-	while (fscanf(fp, "%*s %*s %i:%i %*[^\n]", &maj, &min) == 2) {
-		if (makedev(maj, min) == statbuf.st_rdev) {
-			mounted = 1;
-			break;
-		}
-	}
-	fclose(fp);
-	return mounted;
+        struct stat statbuf;
+        FILE *fp;
+        int maj, min;
+        int mounted = 0;
+
+        if (stat(device, &statbuf) < 0)
+                return -ENODEV;
+
+        fp = fopen("/proc/self/mountinfo", "r");
+        if (fp == NULL)
+                return -ENOSYS;
+        while (fscanf(fp, "%*s %*s %i:%i %*[^\n]", &maj, &min) == 2) {
+                if (makedev(maj, min) == statbuf.st_rdev) {
+                        mounted = 1;
+                        break;
+                }
+        }
+        fclose(fp);
+        return mounted;
 }
 
 static void info_scsi_cmd_err(struct udev *udev, char *cmd, int err)
 {
-	if (err == -1) {
-		info(udev, "%s failed\n", cmd);
-		return;
-	}
-	info(udev, "%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh\n", cmd, SK(err), ASC(err), ASCQ(err));
+        if (err == -1) {
+                info(udev, "%s failed\n", cmd);
+                return;
+        }
+        info(udev, "%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh\n", cmd, SK(err), ASC(err), ASCQ(err));
 }
 
 struct scsi_cmd {
-	struct cdrom_generic_command cgc;
-	union {
-		struct request_sense s;
-		unsigned char u[18];
-	} _sense;
-	struct sg_io_hdr sg_io;
+        struct cdrom_generic_command cgc;
+        union {
+                struct request_sense s;
+                unsigned char u[18];
+        } _sense;
+        struct sg_io_hdr sg_io;
 };
 
 static void scsi_cmd_init(struct udev *udev, struct scsi_cmd *cmd)
 {
-	memset(cmd, 0x00, sizeof(struct scsi_cmd));
-	cmd->cgc.quiet = 1;
-	cmd->cgc.sense = &cmd->_sense.s;
-	cmd->sg_io.interface_id = 'S';
-	cmd->sg_io.mx_sb_len = sizeof(cmd->_sense);
-	cmd->sg_io.cmdp = cmd->cgc.cmd;
-	cmd->sg_io.sbp = cmd->_sense.u;
-	cmd->sg_io.flags = SG_FLAG_LUN_INHIBIT | SG_FLAG_DIRECT_IO;
+        memset(cmd, 0x00, sizeof(struct scsi_cmd));
+        cmd->cgc.quiet = 1;
+        cmd->cgc.sense = &cmd->_sense.s;
+        cmd->sg_io.interface_id = 'S';
+        cmd->sg_io.mx_sb_len = sizeof(cmd->_sense);
+        cmd->sg_io.cmdp = cmd->cgc.cmd;
+        cmd->sg_io.sbp = cmd->_sense.u;
+        cmd->sg_io.flags = SG_FLAG_LUN_INHIBIT | SG_FLAG_DIRECT_IO;
 }
 
 static void scsi_cmd_set(struct udev *udev, struct scsi_cmd *cmd, size_t i, unsigned char arg)
 {
-	cmd->sg_io.cmd_len = i + 1;
-	cmd->cgc.cmd[i] = arg;
+        cmd->sg_io.cmd_len = i + 1;
+        cmd->cgc.cmd[i] = arg;
 }
 
 #define CHECK_CONDITION 0x01
 
 static int scsi_cmd_run(struct udev *udev, struct scsi_cmd *cmd, int fd, unsigned char *buf, size_t bufsize)
 {
-	int ret = 0;
-
-	if (bufsize > 0) {
-		cmd->sg_io.dxferp = buf;
-		cmd->sg_io.dxfer_len = bufsize;
-		cmd->sg_io.dxfer_direction = SG_DXFER_FROM_DEV;
-	} else {
-		cmd->sg_io.dxfer_direction = SG_DXFER_NONE;
-	}
-	if (ioctl(fd, SG_IO, &cmd->sg_io))
-		return -1;
-
-	if ((cmd->sg_io.info & SG_INFO_OK_MASK) != SG_INFO_OK) {
-		errno = EIO;
-		ret = -1;
-		if (cmd->sg_io.masked_status & CHECK_CONDITION) {
-			ret = ERRCODE(cmd->_sense.u);
-			if (ret == 0)
-				ret = -1;
-		}
-	}
-	return ret;
+        int ret = 0;
+
+        if (bufsize > 0) {
+                cmd->sg_io.dxferp = buf;
+                cmd->sg_io.dxfer_len = bufsize;
+                cmd->sg_io.dxfer_direction = SG_DXFER_FROM_DEV;
+        } else {
+                cmd->sg_io.dxfer_direction = SG_DXFER_NONE;
+        }
+        if (ioctl(fd, SG_IO, &cmd->sg_io))
+                return -1;
+
+        if ((cmd->sg_io.info & SG_INFO_OK_MASK) != SG_INFO_OK) {
+                errno = EIO;
+                ret = -1;
+                if (cmd->sg_io.masked_status & CHECK_CONDITION) {
+                        ret = ERRCODE(cmd->_sense.u);
+                        if (ret == 0)
+                                ret = -1;
+                }
+        }
+        return ret;
 }
 
 static int media_lock(struct udev *udev, int fd, bool lock)
 {
-	int err;
+        int err;
 
-	/* disable the kernel's lock logic */
-	err = ioctl(fd, CDROM_CLEAR_OPTIONS, CDO_LOCK);
-	if (err < 0)
-		info(udev, "CDROM_CLEAR_OPTIONS, CDO_LOCK failed\n");
+        /* disable the kernel's lock logic */
+        err = ioctl(fd, CDROM_CLEAR_OPTIONS, CDO_LOCK);
+        if (err < 0)
+                info(udev, "CDROM_CLEAR_OPTIONS, CDO_LOCK failed\n");
 
-	err = ioctl(fd, CDROM_LOCKDOOR, lock ? 1 : 0);
-	if (err < 0)
-		info(udev, "CDROM_LOCKDOOR failed\n");
+        err = ioctl(fd, CDROM_LOCKDOOR, lock ? 1 : 0);
+        if (err < 0)
+                info(udev, "CDROM_LOCKDOOR failed\n");
 
-	return err;
+        return err;
 }
 
 static int media_eject(struct udev *udev, int fd)
 {
-	struct scsi_cmd sc;
-	int err;
-
-	scsi_cmd_init(udev, &sc);
-	scsi_cmd_set(udev, &sc, 0, 0x1b);
-	scsi_cmd_set(udev, &sc, 4, 0x02);
-	scsi_cmd_set(udev, &sc, 5, 0);
-	err = scsi_cmd_run(udev, &sc, fd, NULL, 0);
-	if ((err != 0)) {
-		info_scsi_cmd_err(udev, "START_STOP_UNIT", err);
-		return -1;
-	}
-	return 0;
+        struct scsi_cmd sc;
+        int err;
+
+        scsi_cmd_init(udev, &sc);
+        scsi_cmd_set(udev, &sc, 0, 0x1b);
+        scsi_cmd_set(udev, &sc, 4, 0x02);
+        scsi_cmd_set(udev, &sc, 5, 0);
+        err = scsi_cmd_run(udev, &sc, fd, NULL, 0);
+        if ((err != 0)) {
+                info_scsi_cmd_err(udev, "START_STOP_UNIT", err);
+                return -1;
+        }
+        return 0;
 }
 
 static int cd_capability_compat(struct udev *udev, int fd)
 {
-	int capability;
-
-	capability = ioctl(fd, CDROM_GET_CAPABILITY, NULL);
-	if (capability < 0) {
-		info(udev, "CDROM_GET_CAPABILITY failed\n");
-		return -1;
-	}
-
-	if (capability & CDC_CD_R)
-		cd_cd_r = 1;
-	if (capability & CDC_CD_RW)
-		cd_cd_rw = 1;
-	if (capability & CDC_DVD)
-		cd_dvd_rom = 1;
-	if (capability & CDC_DVD_R)
-		cd_dvd_r = 1;
-	if (capability & CDC_DVD_RAM)
-		cd_dvd_ram = 1;
-	if (capability & CDC_MRW)
-		cd_mrw = 1;
-	if (capability & CDC_MRW_W)
-		cd_mrw_w = 1;
-	return 0;
+        int capability;
+
+        capability = ioctl(fd, CDROM_GET_CAPABILITY, NULL);
+        if (capability < 0) {
+                info(udev, "CDROM_GET_CAPABILITY failed\n");
+                return -1;
+        }
+
+        if (capability & CDC_CD_R)
+                cd_cd_r = 1;
+        if (capability & CDC_CD_RW)
+                cd_cd_rw = 1;
+        if (capability & CDC_DVD)
+                cd_dvd_rom = 1;
+        if (capability & CDC_DVD_R)
+                cd_dvd_r = 1;
+        if (capability & CDC_DVD_RAM)
+                cd_dvd_ram = 1;
+        if (capability & CDC_MRW)
+                cd_mrw = 1;
+        if (capability & CDC_MRW_W)
+                cd_mrw_w = 1;
+        return 0;
 }
 
 static int cd_media_compat(struct udev *udev, int fd)
 {
-	if (ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) != CDS_DISC_OK) {
-		info(udev, "CDROM_DRIVE_STATUS != CDS_DISC_OK\n");
-		return -1;
-	}
-	cd_media = 1;
-	return 0;
+        if (ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) != CDS_DISC_OK) {
+                info(udev, "CDROM_DRIVE_STATUS != CDS_DISC_OK\n");
+                return -1;
+        }
+        cd_media = 1;
+        return 0;
 }
 
 static int cd_inquiry(struct udev *udev, int fd)
 {
-	struct scsi_cmd sc;
-	unsigned char inq[128];
-	int err;
-
-	scsi_cmd_init(udev, &sc);
-	scsi_cmd_set(udev, &sc, 0, 0x12);
-	scsi_cmd_set(udev, &sc, 4, 36);
-	scsi_cmd_set(udev, &sc, 5, 0);
-	err = scsi_cmd_run(udev, &sc, fd, inq, 36);
-	if ((err != 0)) {
-		info_scsi_cmd_err(udev, "INQUIRY", err);
-		return -1;
-	}
-
-	if ((inq[0] & 0x1F) != 5) {
-		info(udev, "not an MMC unit\n");
-		return -1;
-	}
-
-	info(udev, "INQUIRY: [%.8s][%.16s][%.4s]\n", inq + 8, inq + 16, inq + 32);
-	return 0;
+        struct scsi_cmd sc;
+        unsigned char inq[128];
+        int err;
+
+        scsi_cmd_init(udev, &sc);
+        scsi_cmd_set(udev, &sc, 0, 0x12);
+        scsi_cmd_set(udev, &sc, 4, 36);
+        scsi_cmd_set(udev, &sc, 5, 0);
+        err = scsi_cmd_run(udev, &sc, fd, inq, 36);
+        if ((err != 0)) {
+                info_scsi_cmd_err(udev, "INQUIRY", err);
+                return -1;
+        }
+
+        if ((inq[0] & 0x1F) != 5) {
+                info(udev, "not an MMC unit\n");
+                return -1;
+        }
+
+        info(udev, "INQUIRY: [%.8s][%.16s][%.4s]\n", inq + 8, inq + 16, inq + 32);
+        return 0;
 }
 
 static void feature_profile_media(struct udev *udev, int cur_profile)
 {
-	switch (cur_profile) {
-	case 0x03:
-	case 0x04:
-	case 0x05:
-		info(udev, "profile 0x%02x \n", cur_profile);
-		cd_media = 1;
-		cd_media_mo = 1;
-		break;
-	case 0x08:
-		info(udev, "profile 0x%02x media_cd_rom\n", cur_profile);
-		cd_media = 1;
-		cd_media_cd_rom = 1;
-		break;
-	case 0x09:
-		info(udev, "profile 0x%02x media_cd_r\n", cur_profile);
-		cd_media = 1;
-		cd_media_cd_r = 1;
-		break;
-	case 0x0a:
-		info(udev, "profile 0x%02x media_cd_rw\n", cur_profile);
-		cd_media = 1;
-		cd_media_cd_rw = 1;
-		break;
-	case 0x10:
-		info(udev, "profile 0x%02x media_dvd_ro\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_rom = 1;
-		break;
-	case 0x11:
-		info(udev, "profile 0x%02x media_dvd_r\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_r = 1;
-		break;
-	case 0x12:
-		info(udev, "profile 0x%02x media_dvd_ram\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_ram = 1;
-		break;
-	case 0x13:
-		info(udev, "profile 0x%02x media_dvd_rw_ro\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_rw = 1;
-		cd_media_dvd_rw_ro = 1;
-		break;
-	case 0x14:
-		info(udev, "profile 0x%02x media_dvd_rw_seq\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_rw = 1;
-		cd_media_dvd_rw_seq = 1;
-		break;
-	case 0x1B:
-		info(udev, "profile 0x%02x media_dvd_plus_r\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_plus_r = 1;
-		break;
-	case 0x1A:
-		info(udev, "profile 0x%02x media_dvd_plus_rw\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_plus_rw = 1;
-		break;
-	case 0x2A:
-		info(udev, "profile 0x%02x media_dvd_plus_rw_dl\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_plus_rw_dl = 1;
-		break;
-	case 0x2B:
-		info(udev, "profile 0x%02x media_dvd_plus_r_dl\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_plus_r_dl = 1;
-		break;
-	case 0x40:
-		info(udev, "profile 0x%02x media_bd\n", cur_profile);
-		cd_media = 1;
-		cd_media_bd = 1;
-		break;
-	case 0x41:
-	case 0x42:
-		info(udev, "profile 0x%02x media_bd_r\n", cur_profile);
-		cd_media = 1;
-		cd_media_bd_r = 1;
-		break;
-	case 0x43:
-		info(udev, "profile 0x%02x media_bd_re\n", cur_profile);
-		cd_media = 1;
-		cd_media_bd_re = 1;
-		break;
-	case 0x50:
-		info(udev, "profile 0x%02x media_hddvd\n", cur_profile);
-		cd_media = 1;
-		cd_media_hddvd = 1;
-		break;
-	case 0x51:
-		info(udev, "profile 0x%02x media_hddvd_r\n", cur_profile);
-		cd_media = 1;
-		cd_media_hddvd_r = 1;
-		break;
-	case 0x52:
-		info(udev, "profile 0x%02x media_hddvd_rw\n", cur_profile);
-		cd_media = 1;
-		cd_media_hddvd_rw = 1;
-		break;
-	default:
-		info(udev, "profile 0x%02x <ignored>\n", cur_profile);
-		break;
-	}
+        switch (cur_profile) {
+        case 0x03:
+        case 0x04:
+        case 0x05:
+                info(udev, "profile 0x%02x \n", cur_profile);
+                cd_media = 1;
+                cd_media_mo = 1;
+                break;
+        case 0x08:
+                info(udev, "profile 0x%02x media_cd_rom\n", cur_profile);
+                cd_media = 1;
+                cd_media_cd_rom = 1;
+                break;
+        case 0x09:
+                info(udev, "profile 0x%02x media_cd_r\n", cur_profile);
+                cd_media = 1;
+                cd_media_cd_r = 1;
+                break;
+        case 0x0a:
+                info(udev, "profile 0x%02x media_cd_rw\n", cur_profile);
+                cd_media = 1;
+                cd_media_cd_rw = 1;
+                break;
+        case 0x10:
+                info(udev, "profile 0x%02x media_dvd_ro\n", cur_profile);
+                cd_media = 1;
+                cd_media_dvd_rom = 1;
+                break;
+        case 0x11:
+                info(udev, "profile 0x%02x media_dvd_r\n", cur_profile);
+                cd_media = 1;
+                cd_media_dvd_r = 1;
+                break;
+        case 0x12:
+                info(udev, "profile 0x%02x media_dvd_ram\n", cur_profile);
+                cd_media = 1;
+                cd_media_dvd_ram = 1;
+                break;
+        case 0x13:
+                info(udev, "profile 0x%02x media_dvd_rw_ro\n", cur_profile);
+                cd_media = 1;
+                cd_media_dvd_rw = 1;
+                cd_media_dvd_rw_ro = 1;
+                break;
+        case 0x14:
+                info(udev, "profile 0x%02x media_dvd_rw_seq\n", cur_profile);
+                cd_media = 1;
+                cd_media_dvd_rw = 1;
+                cd_media_dvd_rw_seq = 1;
+                break;
+        case 0x1B:
+                info(udev, "profile 0x%02x media_dvd_plus_r\n", cur_profile);
+                cd_media = 1;
+                cd_media_dvd_plus_r = 1;
+                break;
+        case 0x1A:
+                info(udev, "profile 0x%02x media_dvd_plus_rw\n", cur_profile);
+                cd_media = 1;
+                cd_media_dvd_plus_rw = 1;
+                break;
+        case 0x2A:
+                info(udev, "profile 0x%02x media_dvd_plus_rw_dl\n", cur_profile);
+                cd_media = 1;
+                cd_media_dvd_plus_rw_dl = 1;
+                break;
+        case 0x2B:
+                info(udev, "profile 0x%02x media_dvd_plus_r_dl\n", cur_profile);
+                cd_media = 1;
+                cd_media_dvd_plus_r_dl = 1;
+                break;
+        case 0x40:
+                info(udev, "profile 0x%02x media_bd\n", cur_profile);
+                cd_media = 1;
+                cd_media_bd = 1;
+                break;
+        case 0x41:
+        case 0x42:
+                info(udev, "profile 0x%02x media_bd_r\n", cur_profile);
+                cd_media = 1;
+                cd_media_bd_r = 1;
+                break;
+        case 0x43:
+                info(udev, "profile 0x%02x media_bd_re\n", cur_profile);
+                cd_media = 1;
+                cd_media_bd_re = 1;
+                break;
+        case 0x50:
+                info(udev, "profile 0x%02x media_hddvd\n", cur_profile);
+                cd_media = 1;
+                cd_media_hddvd = 1;
+                break;
+        case 0x51:
+                info(udev, "profile 0x%02x media_hddvd_r\n", cur_profile);
+                cd_media = 1;
+                cd_media_hddvd_r = 1;
+                break;
+        case 0x52:
+                info(udev, "profile 0x%02x media_hddvd_rw\n", cur_profile);
+                cd_media = 1;
+                cd_media_hddvd_rw = 1;
+                break;
+        default:
+                info(udev, "profile 0x%02x <ignored>\n", cur_profile);
+                break;
+        }
 }
 
 static int feature_profiles(struct udev *udev, const unsigned char *profiles, size_t size)
 {
-	unsigned int i;
-
-	for (i = 0; i+4 <= size; i += 4) {
-		int profile;
-
-		profile = profiles[i] << 8 | profiles[i+1];
-		switch (profile) {
-		case 0x03:
-		case 0x04:
-		case 0x05:
-			info(udev, "profile 0x%02x mo\n", profile);
-			cd_mo = 1;
-			break;
-		case 0x08:
-			info(udev, "profile 0x%02x cd_rom\n", profile);
-			cd_cd_rom = 1;
-			break;
-		case 0x09:
-			info(udev, "profile 0x%02x cd_r\n", profile);
-			cd_cd_r = 1;
-			break;
-		case 0x0A:
-			info(udev, "profile 0x%02x cd_rw\n", profile);
-			cd_cd_rw = 1;
-			break;
-		case 0x10:
-			info(udev, "profile 0x%02x dvd_rom\n", profile);
-			cd_dvd_rom = 1;
-			break;
-		case 0x12:
-			info(udev, "profile 0x%02x dvd_ram\n", profile);
-			cd_dvd_ram = 1;
-			break;
-		case 0x13:
-		case 0x14:
-			info(udev, "profile 0x%02x dvd_rw\n", profile);
-			cd_dvd_rw = 1;
-			break;
-		case 0x1B:
-			info(udev, "profile 0x%02x dvd_plus_r\n", profile);
-			cd_dvd_plus_r = 1;
-			break;
-		case 0x1A:
-			info(udev, "profile 0x%02x dvd_plus_rw\n", profile);
-			cd_dvd_plus_rw = 1;
-			break;
-		case 0x2A:
-			info(udev, "profile 0x%02x dvd_plus_rw_dl\n", profile);
-			cd_dvd_plus_rw_dl = 1;
-			break;
-		case 0x2B:
-			info(udev, "profile 0x%02x dvd_plus_r_dl\n", profile);
-			cd_dvd_plus_r_dl = 1;
-			break;
-		case 0x40:
-			cd_bd = 1;
-			info(udev, "profile 0x%02x bd\n", profile);
-			break;
-		case 0x41:
-		case 0x42:
-			cd_bd_r = 1;
-			info(udev, "profile 0x%02x bd_r\n", profile);
-			break;
-		case 0x43:
-			cd_bd_re = 1;
-			info(udev, "profile 0x%02x bd_re\n", profile);
-			break;
-		case 0x50:
-			cd_hddvd = 1;
-			info(udev, "profile 0x%02x hddvd\n", profile);
-			break;
-		case 0x51:
-			cd_hddvd_r = 1;
-			info(udev, "profile 0x%02x hddvd_r\n", profile);
-			break;
-		case 0x52:
-			cd_hddvd_rw = 1;
-			info(udev, "profile 0x%02x hddvd_rw\n", profile);
-			break;
-		default:
-			info(udev, "profile 0x%02x <ignored>\n", profile);
-			break;
-		}
-	}
-	return 0;
+        unsigned int i;
+
+        for (i = 0; i+4 <= size; i += 4) {
+                int profile;
+
+                profile = profiles[i] << 8 | profiles[i+1];
+                switch (profile) {
+                case 0x03:
+                case 0x04:
+                case 0x05:
+                        info(udev, "profile 0x%02x mo\n", profile);
+                        cd_mo = 1;
+                        break;
+                case 0x08:
+                        info(udev, "profile 0x%02x cd_rom\n", profile);
+                        cd_cd_rom = 1;
+                        break;
+                case 0x09:
+                        info(udev, "profile 0x%02x cd_r\n", profile);
+                        cd_cd_r = 1;
+                        break;
+                case 0x0A:
+                        info(udev, "profile 0x%02x cd_rw\n", profile);
+                        cd_cd_rw = 1;
+                        break;
+                case 0x10:
+                        info(udev, "profile 0x%02x dvd_rom\n", profile);
+                        cd_dvd_rom = 1;
+                        break;
+                case 0x12:
+                        info(udev, "profile 0x%02x dvd_ram\n", profile);
+                        cd_dvd_ram = 1;
+                        break;
+                case 0x13:
+                case 0x14:
+                        info(udev, "profile 0x%02x dvd_rw\n", profile);
+                        cd_dvd_rw = 1;
+                        break;
+                case 0x1B:
+                        info(udev, "profile 0x%02x dvd_plus_r\n", profile);
+                        cd_dvd_plus_r = 1;
+                        break;
+                case 0x1A:
+                        info(udev, "profile 0x%02x dvd_plus_rw\n", profile);
+                        cd_dvd_plus_rw = 1;
+                        break;
+                case 0x2A:
+                        info(udev, "profile 0x%02x dvd_plus_rw_dl\n", profile);
+                        cd_dvd_plus_rw_dl = 1;
+                        break;
+                case 0x2B:
+                        info(udev, "profile 0x%02x dvd_plus_r_dl\n", profile);
+                        cd_dvd_plus_r_dl = 1;
+                        break;
+                case 0x40:
+                        cd_bd = 1;
+                        info(udev, "profile 0x%02x bd\n", profile);
+                        break;
+                case 0x41:
+                case 0x42:
+                        cd_bd_r = 1;
+                        info(udev, "profile 0x%02x bd_r\n", profile);
+                        break;
+                case 0x43:
+                        cd_bd_re = 1;
+                        info(udev, "profile 0x%02x bd_re\n", profile);
+                        break;
+                case 0x50:
+                        cd_hddvd = 1;
+                        info(udev, "profile 0x%02x hddvd\n", profile);
+                        break;
+                case 0x51:
+                        cd_hddvd_r = 1;
+                        info(udev, "profile 0x%02x hddvd_r\n", profile);
+                        break;
+                case 0x52:
+                        cd_hddvd_rw = 1;
+                        info(udev, "profile 0x%02x hddvd_rw\n", profile);
+                        break;
+                default:
+                        info(udev, "profile 0x%02x <ignored>\n", profile);
+                        break;
+                }
+        }
+        return 0;
 }
 
 /* returns 0 if media was detected */
 static int cd_profiles_old_mmc(struct udev *udev, int fd)
 {
-	struct scsi_cmd sc;
-	int err;
-
-	unsigned char header[32];
-
-	scsi_cmd_init(udev, &sc);
-	scsi_cmd_set(udev, &sc, 0, 0x51);
-	scsi_cmd_set(udev, &sc, 8, sizeof(header));
-	scsi_cmd_set(udev, &sc, 9, 0);
-	err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
-	if ((err != 0)) {
-		info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);
-		if (cd_media == 1) {
-			info(udev, "no current profile, but disc is present; assuming CD-ROM\n");
-			cd_media_cd_rom = 1;
-			return 0;
-		} else {
-			info(udev, "no current profile, assuming no media\n");
-			return -1;
-		}
-	};
-
-	cd_media = 1;
-
-	if (header[2] & 16) {
-		cd_media_cd_rw = 1;
-		info(udev, "profile 0x0a media_cd_rw\n");
-	} else if ((header[2] & 3) < 2 && cd_cd_r) {
-		cd_media_cd_r = 1;
-		info(udev, "profile 0x09 media_cd_r\n");
-	} else {
-		cd_media_cd_rom = 1;
-		info(udev, "profile 0x08 media_cd_rom\n");
-	}
-	return 0;
+        struct scsi_cmd sc;
+        int err;
+
+        unsigned char header[32];
+
+        scsi_cmd_init(udev, &sc);
+        scsi_cmd_set(udev, &sc, 0, 0x51);
+        scsi_cmd_set(udev, &sc, 8, sizeof(header));
+        scsi_cmd_set(udev, &sc, 9, 0);
+        err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
+        if ((err != 0)) {
+                info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);
+                if (cd_media == 1) {
+                        info(udev, "no current profile, but disc is present; assuming CD-ROM\n");
+                        cd_media_cd_rom = 1;
+                        return 0;
+                } else {
+                        info(udev, "no current profile, assuming no media\n");
+                        return -1;
+                }
+        };
+
+        cd_media = 1;
+
+        if (header[2] & 16) {
+                cd_media_cd_rw = 1;
+                info(udev, "profile 0x0a media_cd_rw\n");
+        } else if ((header[2] & 3) < 2 && cd_cd_r) {
+                cd_media_cd_r = 1;
+                info(udev, "profile 0x09 media_cd_r\n");
+        } else {
+                cd_media_cd_rom = 1;
+                info(udev, "profile 0x08 media_cd_rom\n");
+        }
+        return 0;
 }
 
 /* returns 0 if media was detected */
 static int cd_profiles(struct udev *udev, int fd)
 {
-	struct scsi_cmd sc;
-	unsigned char features[65530];
-	unsigned int cur_profile = 0;
-	unsigned int len;
-	unsigned int i;
-	int err;
-	int ret;
-
-	ret = -1;
-
-	/* First query the current profile */
-	scsi_cmd_init(udev, &sc);
-	scsi_cmd_set(udev, &sc, 0, 0x46);
-	scsi_cmd_set(udev, &sc, 8, 8);
-	scsi_cmd_set(udev, &sc, 9, 0);
-	err = scsi_cmd_run(udev, &sc, fd, features, 8);
-	if ((err != 0)) {
-		info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
-		/* handle pre-MMC2 drives which do not support GET CONFIGURATION */
-		if (SK(err) == 0x5 && ASC(err) == 0x20) {
-			info(udev, "drive is pre-MMC2 and does not support 46h get configuration command\n");
-			info(udev, "trying to work around the problem\n");
-			ret = cd_profiles_old_mmc(udev, fd);
-		}
-		goto out;
-	}
-
-	cur_profile = features[6] << 8 | features[7];
-	if (cur_profile > 0) {
-		info(udev, "current profile 0x%02x\n", cur_profile);
-		feature_profile_media (udev, cur_profile);
-		ret = 0; /* we have media */
-	} else {
-		info(udev, "no current profile, assuming no media\n");
-	}
-
-	len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3];
-	info(udev, "GET CONFIGURATION: size of features buffer 0x%04x\n", len);
-
-	if (len > sizeof(features)) {
-		info(udev, "can not get features in a single query, truncating\n");
-		len = sizeof(features);
-	} else if (len <= 8) {
-		len = sizeof(features);
-	}
-
-	/* Now get the full feature buffer */
-	scsi_cmd_init(udev, &sc);
-	scsi_cmd_set(udev, &sc, 0, 0x46);
-	scsi_cmd_set(udev, &sc, 7, ( len >> 8 ) & 0xff);
-	scsi_cmd_set(udev, &sc, 8, len & 0xff);
-	scsi_cmd_set(udev, &sc, 9, 0);
-	err = scsi_cmd_run(udev, &sc, fd, features, len);
-	if ((err != 0)) {
-		info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
-		return -1;
-	}
-
-	/* parse the length once more, in case the drive decided to have other features suddenly :) */
-	len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3];
-	info(udev, "GET CONFIGURATION: size of features buffer 0x%04x\n", len);
-
-	if (len > sizeof(features)) {
-		info(udev, "can not get features in a single query, truncating\n");
-		len = sizeof(features);
-	}
-
-	/* device features */
-	for (i = 8; i+4 < len; i += (4 + features[i+3])) {
-		unsigned int feature;
-
-		feature = features[i] << 8 | features[i+1];
-
-		switch (feature) {
-		case 0x00:
-			info(udev, "GET CONFIGURATION: feature 'profiles', with %i entries\n", features[i+3] / 4);
-			feature_profiles(udev, &features[i]+4, features[i+3]);
-			break;
-		default:
-			info(udev, "GET CONFIGURATION: feature 0x%04x <ignored>, with 0x%02x bytes\n", feature, features[i+3]);
-			break;
-		}
-	}
+        struct scsi_cmd sc;
+        unsigned char features[65530];
+        unsigned int cur_profile = 0;
+        unsigned int len;
+        unsigned int i;
+        int err;
+        int ret;
+
+        ret = -1;
+
+        /* First query the current profile */
+        scsi_cmd_init(udev, &sc);
+        scsi_cmd_set(udev, &sc, 0, 0x46);
+        scsi_cmd_set(udev, &sc, 8, 8);
+        scsi_cmd_set(udev, &sc, 9, 0);
+        err = scsi_cmd_run(udev, &sc, fd, features, 8);
+        if ((err != 0)) {
+                info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
+                /* handle pre-MMC2 drives which do not support GET CONFIGURATION */
+                if (SK(err) == 0x5 && ASC(err) == 0x20) {
+                        info(udev, "drive is pre-MMC2 and does not support 46h get configuration command\n");
+                        info(udev, "trying to work around the problem\n");
+                        ret = cd_profiles_old_mmc(udev, fd);
+                }
+                goto out;
+        }
+
+        cur_profile = features[6] << 8 | features[7];
+        if (cur_profile > 0) {
+                info(udev, "current profile 0x%02x\n", cur_profile);
+                feature_profile_media (udev, cur_profile);
+                ret = 0; /* we have media */
+        } else {
+                info(udev, "no current profile, assuming no media\n");
+        }
+
+        len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3];
+        info(udev, "GET CONFIGURATION: size of features buffer 0x%04x\n", len);
+
+        if (len > sizeof(features)) {
+                info(udev, "can not get features in a single query, truncating\n");
+                len = sizeof(features);
+        } else if (len <= 8) {
+                len = sizeof(features);
+        }
+
+        /* Now get the full feature buffer */
+        scsi_cmd_init(udev, &sc);
+        scsi_cmd_set(udev, &sc, 0, 0x46);
+        scsi_cmd_set(udev, &sc, 7, ( len >> 8 ) & 0xff);
+        scsi_cmd_set(udev, &sc, 8, len & 0xff);
+        scsi_cmd_set(udev, &sc, 9, 0);
+        err = scsi_cmd_run(udev, &sc, fd, features, len);
+        if ((err != 0)) {
+                info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
+                return -1;
+        }
+
+        /* parse the length once more, in case the drive decided to have other features suddenly :) */
+        len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3];
+        info(udev, "GET CONFIGURATION: size of features buffer 0x%04x\n", len);
+
+        if (len > sizeof(features)) {
+                info(udev, "can not get features in a single query, truncating\n");
+                len = sizeof(features);
+        }
+
+        /* device features */
+        for (i = 8; i+4 < len; i += (4 + features[i+3])) {
+                unsigned int feature;
+
+                feature = features[i] << 8 | features[i+1];
+
+                switch (feature) {
+                case 0x00:
+                        info(udev, "GET CONFIGURATION: feature 'profiles', with %i entries\n", features[i+3] / 4);
+                        feature_profiles(udev, &features[i]+4, features[i+3]);
+                        break;
+                default:
+                        info(udev, "GET CONFIGURATION: feature 0x%04x <ignored>, with 0x%02x bytes\n", feature, features[i+3]);
+                        break;
+                }
+        }
 out:
-	return ret;
+        return ret;
 }
 
 static int cd_media_info(struct udev *udev, int fd)
 {
-	struct scsi_cmd sc;
-	unsigned char header[32];
-	static const char *media_status[] = {
-		"blank",
-		"appendable",
-		"complete",
-		"other"
-	};
-	int err;
-
-	scsi_cmd_init(udev, &sc);
-	scsi_cmd_set(udev, &sc, 0, 0x51);
-	scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff);
-	scsi_cmd_set(udev, &sc, 9, 0);
-	err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
-	if ((err != 0)) {
-		info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);
-		return -1;
-	};
-
-	cd_media = 1;
-	info(udev, "disk type %02x\n", header[8]);
-	info(udev, "hardware reported media status: %s\n", media_status[header[2] & 3]);
-
-	/* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */
-	if (!cd_media_cd_rom)
-		cd_media_state = media_status[header[2] & 3];
-
-	/* fresh DVD-RW in restricted overwite mode reports itself as
-	 * "appendable"; change it to "blank" to make it consistent with what
-	 * gets reported after blanking, and what userspace expects  */
-	if (cd_media_dvd_rw_ro && (header[2] & 3) == 1)
-		cd_media_state = media_status[0];
-
-	/* DVD+RW discs (and DVD-RW in restricted mode) once formatted are
-	 * always "complete", DVD-RAM are "other" or "complete" if the disc is
-	 * write protected; we need to check the contents if it is blank */
-	if ((cd_media_dvd_rw_ro || cd_media_dvd_plus_rw || cd_media_dvd_plus_rw_dl || cd_media_dvd_ram) && (header[2] & 3) > 1) {
-		unsigned char buffer[32 * 2048];
-		unsigned char result, len;
-		int block, offset;
-
-		if (cd_media_dvd_ram) {
-			/* a write protected dvd-ram may report "complete" status */
-
-			unsigned char dvdstruct[8];
-			unsigned char format[12];
-
-			scsi_cmd_init(udev, &sc);
-			scsi_cmd_set(udev, &sc, 0, 0xAD);
-			scsi_cmd_set(udev, &sc, 7, 0xC0);
-			scsi_cmd_set(udev, &sc, 9, sizeof(dvdstruct));
-			scsi_cmd_set(udev, &sc, 11, 0);
-			err = scsi_cmd_run(udev, &sc, fd, dvdstruct, sizeof(dvdstruct));
-			if ((err != 0)) {
-				info_scsi_cmd_err(udev, "READ DVD STRUCTURE", err);
-				return -1;
-			}
-			if (dvdstruct[4] & 0x02) {
-				cd_media_state = media_status[2];
-				info(udev, "write-protected DVD-RAM media inserted\n");
-				goto determined;
-			}
-
-			/* let's make sure we don't try to read unformatted media */
-			scsi_cmd_init(udev, &sc);
-			scsi_cmd_set(udev, &sc, 0, 0x23);
-			scsi_cmd_set(udev, &sc, 8, sizeof(format));
-			scsi_cmd_set(udev, &sc, 9, 0);
-			err = scsi_cmd_run(udev, &sc, fd, format, sizeof(format));
-			if ((err != 0)) {
-				info_scsi_cmd_err(udev, "READ DVD FORMAT CAPACITIES", err);
-				return -1;
-			}
-
-			len = format[3];
-			if (len & 7 || len < 16) {
-				info(udev, "invalid format capacities length\n");
-				return -1;
-			}
-
-			switch(format[8] & 3) {
-			    case 1:
-				info(udev, "unformatted DVD-RAM media inserted\n");
-				/* This means that last format was interrupted
-				 * or failed, blank dvd-ram discs are factory
-				 * formatted. Take no action here as it takes
-				 * quite a while to reformat a dvd-ram and it's
-				 * not automatically started */
-				goto determined;
-
-			    case 2:
-				info(udev, "formatted DVD-RAM media inserted\n");
-				break;
-
-			    case 3:
-				cd_media = 0; //return no media
-				info(udev, "format capacities returned no media\n");
-				return -1;
-			}
-		}
-
-		/* Take a closer look at formatted media (unformatted DVD+RW
-		 * has "blank" status", DVD-RAM was examined earlier) and check
-		 * for ISO and UDF PVDs or a fs superblock presence and do it
-		 * in one ioctl (we need just sectors 0 and 16) */
-		scsi_cmd_init(udev, &sc);
-		scsi_cmd_set(udev, &sc, 0, 0x28);
-		scsi_cmd_set(udev, &sc, 5, 0);
-		scsi_cmd_set(udev, &sc, 8, 32);
-		scsi_cmd_set(udev, &sc, 9, 0);
-		err = scsi_cmd_run(udev, &sc, fd, buffer, sizeof(buffer));
-		if ((err != 0)) {
-			cd_media = 0;
-			info_scsi_cmd_err(udev, "READ FIRST 32 BLOCKS", err);
-			return -1;
-		}
-
-		/* if any non-zero data is found in sector 16 (iso and udf) or
-		 * eventually 0 (fat32 boot sector, ext2 superblock, etc), disc
-		 * is assumed non-blank */
-		result = 0;
-
-		for (block = 32768; block >= 0 && !result; block -= 32768) {
-			offset = block;
-			while (offset < (block + 2048) && !result) {
-				result = buffer [offset];
-				offset++;
-			}
-		}
-
-		if (!result) {
-			cd_media_state = media_status[0];
-			info(udev, "no data in blocks 0 or 16, assuming blank\n");
-		} else {
-			info(udev, "data in blocks 0 or 16, assuming complete\n");
-		}
-	}
+        struct scsi_cmd sc;
+        unsigned char header[32];
+        static const char *media_status[] = {
+                "blank",
+                "appendable",
+                "complete",
+                "other"
+        };
+        int err;
+
+        scsi_cmd_init(udev, &sc);
+        scsi_cmd_set(udev, &sc, 0, 0x51);
+        scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff);
+        scsi_cmd_set(udev, &sc, 9, 0);
+        err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
+        if ((err != 0)) {
+                info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);
+                return -1;
+        };
+
+        cd_media = 1;
+        info(udev, "disk type %02x\n", header[8]);
+        info(udev, "hardware reported media status: %s\n", media_status[header[2] & 3]);
+
+        /* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */
+        if (!cd_media_cd_rom)
+                cd_media_state = media_status[header[2] & 3];
+
+        /* fresh DVD-RW in restricted overwite mode reports itself as
+         * "appendable"; change it to "blank" to make it consistent with what
+         * gets reported after blanking, and what userspace expects  */
+        if (cd_media_dvd_rw_ro && (header[2] & 3) == 1)
+                cd_media_state = media_status[0];
+
+        /* DVD+RW discs (and DVD-RW in restricted mode) once formatted are
+         * always "complete", DVD-RAM are "other" or "complete" if the disc is
+         * write protected; we need to check the contents if it is blank */
+        if ((cd_media_dvd_rw_ro || cd_media_dvd_plus_rw || cd_media_dvd_plus_rw_dl || cd_media_dvd_ram) && (header[2] & 3) > 1) {
+                unsigned char buffer[32 * 2048];
+                unsigned char result, len;
+                int block, offset;
+
+                if (cd_media_dvd_ram) {
+                        /* a write protected dvd-ram may report "complete" status */
+
+                        unsigned char dvdstruct[8];
+                        unsigned char format[12];
+
+                        scsi_cmd_init(udev, &sc);
+                        scsi_cmd_set(udev, &sc, 0, 0xAD);
+                        scsi_cmd_set(udev, &sc, 7, 0xC0);
+                        scsi_cmd_set(udev, &sc, 9, sizeof(dvdstruct));
+                        scsi_cmd_set(udev, &sc, 11, 0);
+                        err = scsi_cmd_run(udev, &sc, fd, dvdstruct, sizeof(dvdstruct));
+                        if ((err != 0)) {
+                                info_scsi_cmd_err(udev, "READ DVD STRUCTURE", err);
+                                return -1;
+                        }
+                        if (dvdstruct[4] & 0x02) {
+                                cd_media_state = media_status[2];
+                                info(udev, "write-protected DVD-RAM media inserted\n");
+                                goto determined;
+                        }
+
+                        /* let's make sure we don't try to read unformatted media */
+                        scsi_cmd_init(udev, &sc);
+                        scsi_cmd_set(udev, &sc, 0, 0x23);
+                        scsi_cmd_set(udev, &sc, 8, sizeof(format));
+                        scsi_cmd_set(udev, &sc, 9, 0);
+                        err = scsi_cmd_run(udev, &sc, fd, format, sizeof(format));
+                        if ((err != 0)) {
+                                info_scsi_cmd_err(udev, "READ DVD FORMAT CAPACITIES", err);
+                                return -1;
+                        }
+
+                        len = format[3];
+                        if (len & 7 || len < 16) {
+                                info(udev, "invalid format capacities length\n");
+                                return -1;
+                        }
+
+                        switch(format[8] & 3) {
+                            case 1:
+                                info(udev, "unformatted DVD-RAM media inserted\n");
+                                /* This means that last format was interrupted
+                                 * or failed, blank dvd-ram discs are factory
+                                 * formatted. Take no action here as it takes
+                                 * quite a while to reformat a dvd-ram and it's
+                                 * not automatically started */
+                                goto determined;
+
+                            case 2:
+                                info(udev, "formatted DVD-RAM media inserted\n");
+                                break;
+
+                            case 3:
+                                cd_media = 0; //return no media
+                                info(udev, "format capacities returned no media\n");
+                                return -1;
+                        }
+                }
+
+                /* Take a closer look at formatted media (unformatted DVD+RW
+                 * has "blank" status", DVD-RAM was examined earlier) and check
+                 * for ISO and UDF PVDs or a fs superblock presence and do it
+                 * in one ioctl (we need just sectors 0 and 16) */
+                scsi_cmd_init(udev, &sc);
+                scsi_cmd_set(udev, &sc, 0, 0x28);
+                scsi_cmd_set(udev, &sc, 5, 0);
+                scsi_cmd_set(udev, &sc, 8, 32);
+                scsi_cmd_set(udev, &sc, 9, 0);
+                err = scsi_cmd_run(udev, &sc, fd, buffer, sizeof(buffer));
+                if ((err != 0)) {
+                        cd_media = 0;
+                        info_scsi_cmd_err(udev, "READ FIRST 32 BLOCKS", err);
+                        return -1;
+                }
+
+                /* if any non-zero data is found in sector 16 (iso and udf) or
+                 * eventually 0 (fat32 boot sector, ext2 superblock, etc), disc
+                 * is assumed non-blank */
+                result = 0;
+
+                for (block = 32768; block >= 0 && !result; block -= 32768) {
+                        offset = block;
+                        while (offset < (block + 2048) && !result) {
+                                result = buffer [offset];
+                                offset++;
+                        }
+                }
+
+                if (!result) {
+                        cd_media_state = media_status[0];
+                        info(udev, "no data in blocks 0 or 16, assuming blank\n");
+                } else {
+                        info(udev, "data in blocks 0 or 16, assuming complete\n");
+                }
+        }
 
 determined:
-	/* "other" is e. g. DVD-RAM, can't append sessions there; DVDs in
-	 * restricted overwrite mode can never append, only in sequential mode */
-	if ((header[2] & 3) < 2 && !cd_media_dvd_rw_ro)
-		cd_media_session_next = header[10] << 8 | header[5];
-	cd_media_session_count = header[9] << 8 | header[4];
-	cd_media_track_count = header[11] << 8 | header[6];
-
-	return 0;
+        /* "other" is e. g. DVD-RAM, can't append sessions there; DVDs in
+         * restricted overwrite mode can never append, only in sequential mode */
+        if ((header[2] & 3) < 2 && !cd_media_dvd_rw_ro)
+                cd_media_session_next = header[10] << 8 | header[5];
+        cd_media_session_count = header[9] << 8 | header[4];
+        cd_media_track_count = header[11] << 8 | header[6];
+
+        return 0;
 }
 
 static int cd_media_toc(struct udev *udev, int fd)
 {
-	struct scsi_cmd sc;
-	unsigned char header[12];
-	unsigned char toc[65536];
-	unsigned int len, i, num_tracks;
-	unsigned char *p;
-	int err;
-
-	scsi_cmd_init(udev, &sc);
-	scsi_cmd_set(udev, &sc, 0, 0x43);
-	scsi_cmd_set(udev, &sc, 6, 1);
-	scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff);
-	scsi_cmd_set(udev, &sc, 9, 0);
-	err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
-	if ((err != 0)) {
-		info_scsi_cmd_err(udev, "READ TOC", err);
-		return -1;
-	}
-
-	len = (header[0] << 8 | header[1]) + 2;
-	info(udev, "READ TOC: len: %d, start track: %d, end track: %d\n", len, header[2], header[3]);
-	if (len > sizeof(toc))
-		return -1;
-	if (len < 2)
-		return -1;
-	/* 2: first track, 3: last track */
-	num_tracks = header[3] - header[2] + 1;
-
-	/* empty media has no tracks */
-	if (len < 8)
-		return 0;
-
-	scsi_cmd_init(udev, &sc);
-	scsi_cmd_set(udev, &sc, 0, 0x43);
-	scsi_cmd_set(udev, &sc, 6, header[2]); /* First Track/Session Number */
-	scsi_cmd_set(udev, &sc, 7, (len >> 8) & 0xff);
-	scsi_cmd_set(udev, &sc, 8, len & 0xff);
-	scsi_cmd_set(udev, &sc, 9, 0);
-	err = scsi_cmd_run(udev, &sc, fd, toc, len);
-	if ((err != 0)) {
-		info_scsi_cmd_err(udev, "READ TOC (tracks)", err);
-		return -1;
-	}
-
-	/* Take care to not iterate beyond the last valid track as specified in
-	 * the TOC, but also avoid going beyond the TOC length, just in case
-	 * the last track number is invalidly large */
-	for (p = toc+4, i = 4; i < len-8 && num_tracks > 0; i += 8, p += 8, --num_tracks) {
-		unsigned int block;
-		unsigned int is_data_track;
-
-		is_data_track = (p[1] & 0x04) != 0;
-
-		block = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];
-		info(udev, "track=%u info=0x%x(%s) start_block=%u\n",
-		     p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block);
-
-		if (is_data_track)
-			cd_media_track_count_data++;
-		else
-			cd_media_track_count_audio++;
-	}
-
-	scsi_cmd_init(udev, &sc);
-	scsi_cmd_set(udev, &sc, 0, 0x43);
-	scsi_cmd_set(udev, &sc, 2, 1); /* Session Info */
-	scsi_cmd_set(udev, &sc, 8, sizeof(header));
-	scsi_cmd_set(udev, &sc, 9, 0);
-	err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
-	if ((err != 0)) {
-		info_scsi_cmd_err(udev, "READ TOC (multi session)", err);
-		return -1;
-	}
-	len = header[4+4] << 24 | header[4+5] << 16 | header[4+6] << 8 | header[4+7];
-	info(udev, "last track %u starts at block %u\n", header[4+2], len);
-	cd_media_session_last_offset = (unsigned long long int)len * 2048;
-	return 0;
+        struct scsi_cmd sc;
+        unsigned char header[12];
+        unsigned char toc[65536];
+        unsigned int len, i, num_tracks;
+        unsigned char *p;
+        int err;
+
+        scsi_cmd_init(udev, &sc);
+        scsi_cmd_set(udev, &sc, 0, 0x43);
+        scsi_cmd_set(udev, &sc, 6, 1);
+        scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff);
+        scsi_cmd_set(udev, &sc, 9, 0);
+        err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
+        if ((err != 0)) {
+                info_scsi_cmd_err(udev, "READ TOC", err);
+                return -1;
+        }
+
+        len = (header[0] << 8 | header[1]) + 2;
+        info(udev, "READ TOC: len: %d, start track: %d, end track: %d\n", len, header[2], header[3]);
+        if (len > sizeof(toc))
+                return -1;
+        if (len < 2)
+                return -1;
+        /* 2: first track, 3: last track */
+        num_tracks = header[3] - header[2] + 1;
+
+        /* empty media has no tracks */
+        if (len < 8)
+                return 0;
+
+        scsi_cmd_init(udev, &sc);
+        scsi_cmd_set(udev, &sc, 0, 0x43);
+        scsi_cmd_set(udev, &sc, 6, header[2]); /* First Track/Session Number */
+        scsi_cmd_set(udev, &sc, 7, (len >> 8) & 0xff);
+        scsi_cmd_set(udev, &sc, 8, len & 0xff);
+        scsi_cmd_set(udev, &sc, 9, 0);
+        err = scsi_cmd_run(udev, &sc, fd, toc, len);
+        if ((err != 0)) {
+                info_scsi_cmd_err(udev, "READ TOC (tracks)", err);
+                return -1;
+        }
+
+        /* Take care to not iterate beyond the last valid track as specified in
+         * the TOC, but also avoid going beyond the TOC length, just in case
+         * the last track number is invalidly large */
+        for (p = toc+4, i = 4; i < len-8 && num_tracks > 0; i += 8, p += 8, --num_tracks) {
+                unsigned int block;
+                unsigned int is_data_track;
+
+                is_data_track = (p[1] & 0x04) != 0;
+
+                block = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];
+                info(udev, "track=%u info=0x%x(%s) start_block=%u\n",
+                     p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block);
+
+                if (is_data_track)
+                        cd_media_track_count_data++;
+                else
+                        cd_media_track_count_audio++;
+        }
+
+        scsi_cmd_init(udev, &sc);
+        scsi_cmd_set(udev, &sc, 0, 0x43);
+        scsi_cmd_set(udev, &sc, 2, 1); /* Session Info */
+        scsi_cmd_set(udev, &sc, 8, sizeof(header));
+        scsi_cmd_set(udev, &sc, 9, 0);
+        err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
+        if ((err != 0)) {
+                info_scsi_cmd_err(udev, "READ TOC (multi session)", err);
+                return -1;
+        }
+        len = header[4+4] << 24 | header[4+5] << 16 | header[4+6] << 8 | header[4+7];
+        info(udev, "last track %u starts at block %u\n", header[4+2], len);
+        cd_media_session_last_offset = (unsigned long long int)len * 2048;
+        return 0;
 }
 
 int main(int argc, char *argv[])
 {
-	struct udev *udev;
-	static const struct option options[] = {
-		{ "lock-media", no_argument, NULL, 'l' },
-		{ "unlock-media", no_argument, NULL, 'u' },
-		{ "eject-media", no_argument, NULL, 'e' },
-		{ "debug", no_argument, NULL, 'd' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-	bool eject = false;
-	bool lock = false;
-	bool unlock = false;
-	const char *node = NULL;
-	int fd = -1;
-	int cnt;
-	int rc = 0;
-
-	udev = udev_new();
-	if (udev == NULL)
-		goto exit;
-
-	udev_log_init("cdrom_id");
-	udev_set_log_fn(udev, log_fn);
-
-	while (1) {
-		int option;
-
-		option = getopt_long(argc, argv, "deluh", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'l':
-			lock = true;
-			break;
-		case 'u':
-			unlock = true;
-			break;
-		case 'e':
-			eject = true;
-			break;
-		case 'd':
-			debug = true;
-			if (udev_get_log_priority(udev) < LOG_INFO)
-				udev_set_log_priority(udev, LOG_INFO);
-			break;
-		case 'h':
-			printf("Usage: cdrom_id [options] <device>\n"
-			       "  --lock-media    lock the media (to enable eject request events)\n"
-			       "  --unlock-media  unlock the media\n"
-			       "  --eject-media   eject the media\n"
-			       "  --debug         debug to stderr\n"
-			       "  --help          print this help text\n\n");
-			goto exit;
-		default:
-			rc = 1;
-			goto exit;
-		}
-	}
-
-	node = argv[optind];
-	if (!node) {
-		err(udev, "no device\n");
-		fprintf(stderr, "no device\n");
-		rc = 1;
-		goto exit;
-	}
-
-	srand((unsigned int)getpid());
-	for (cnt = 20; cnt > 0; cnt--) {
-		struct timespec duration;
-
-		fd = open(node, O_RDONLY|O_NONBLOCK|(is_mounted(node) ? 0 : O_EXCL));
-		if (fd >= 0 || errno != EBUSY)
-			break;
-		duration.tv_sec = 0;
-		duration.tv_nsec = (100 * 1000 * 1000) + (rand() % 100 * 1000 * 1000);
-		nanosleep(&duration, NULL);
-	}
-	if (fd < 0) {
-		info(udev, "unable to open '%s'\n", node);
-		fprintf(stderr, "unable to open '%s'\n", node);
-		rc = 1;
-		goto exit;
-	}
-	info(udev, "probing: '%s'\n", node);
-
-	/* same data as original cdrom_id */
-	if (cd_capability_compat(udev, fd) < 0) {
-		rc = 1;
-		goto exit;
-	}
-
-	/* check for media - don't bail if there's no media as we still need to
+        struct udev *udev;
+        static const struct option options[] = {
+                { "lock-media", no_argument, NULL, 'l' },
+                { "unlock-media", no_argument, NULL, 'u' },
+                { "eject-media", no_argument, NULL, 'e' },
+                { "debug", no_argument, NULL, 'd' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+        bool eject = false;
+        bool lock = false;
+        bool unlock = false;
+        const char *node = NULL;
+        int fd = -1;
+        int cnt;
+        int rc = 0;
+
+        udev = udev_new();
+        if (udev == NULL)
+                goto exit;
+
+        udev_log_init("cdrom_id");
+        udev_set_log_fn(udev, log_fn);
+
+        while (1) {
+                int option;
+
+                option = getopt_long(argc, argv, "deluh", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'l':
+                        lock = true;
+                        break;
+                case 'u':
+                        unlock = true;
+                        break;
+                case 'e':
+                        eject = true;
+                        break;
+                case 'd':
+                        debug = true;
+                        if (udev_get_log_priority(udev) < LOG_INFO)
+                                udev_set_log_priority(udev, LOG_INFO);
+                        break;
+                case 'h':
+                        printf("Usage: cdrom_id [options] <device>\n"
+                               "  --lock-media    lock the media (to enable eject request events)\n"
+                               "  --unlock-media  unlock the media\n"
+                               "  --eject-media   eject the media\n"
+                               "  --debug         debug to stderr\n"
+                               "  --help          print this help text\n\n");
+                        goto exit;
+                default:
+                        rc = 1;
+                        goto exit;
+                }
+        }
+
+        node = argv[optind];
+        if (!node) {
+                err(udev, "no device\n");
+                fprintf(stderr, "no device\n");
+                rc = 1;
+                goto exit;
+        }
+
+        srand((unsigned int)getpid());
+        for (cnt = 20; cnt > 0; cnt--) {
+                struct timespec duration;
+
+                fd = open(node, O_RDONLY|O_NONBLOCK|(is_mounted(node) ? 0 : O_EXCL));
+                if (fd >= 0 || errno != EBUSY)
+                        break;
+                duration.tv_sec = 0;
+                duration.tv_nsec = (100 * 1000 * 1000) + (rand() % 100 * 1000 * 1000);
+                nanosleep(&duration, NULL);
+        }
+        if (fd < 0) {
+                info(udev, "unable to open '%s'\n", node);
+                fprintf(stderr, "unable to open '%s'\n", node);
+                rc = 1;
+                goto exit;
+        }
+        info(udev, "probing: '%s'\n", node);
+
+        /* same data as original cdrom_id */
+        if (cd_capability_compat(udev, fd) < 0) {
+                rc = 1;
+                goto exit;
+        }
+
+        /* check for media - don't bail if there's no media as we still need to
          * to read profiles */
-	cd_media_compat(udev, fd);
+        cd_media_compat(udev, fd);
 
-	/* check if drive talks MMC */
-	if (cd_inquiry(udev, fd) < 0)
-		goto work;
+        /* check if drive talks MMC */
+        if (cd_inquiry(udev, fd) < 0)
+                goto work;
 
-	/* read drive and possibly current profile */
-	if (cd_profiles(udev, fd) != 0)
-		goto work;
+        /* read drive and possibly current profile */
+        if (cd_profiles(udev, fd) != 0)
+                goto work;
 
-	/* at this point we are guaranteed to have media in the drive - find out more about it */
+        /* at this point we are guaranteed to have media in the drive - find out more about it */
 
-	/* get session/track info */
-	cd_media_toc(udev, fd);
+        /* get session/track info */
+        cd_media_toc(udev, fd);
 
-	/* get writable media state */
-	cd_media_info(udev, fd);
+        /* get writable media state */
+        cd_media_info(udev, fd);
 
 work:
-	/* lock the media, so we enable eject button events */
-	if (lock && cd_media) {
-		info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (lock)\n");
-		media_lock(udev, fd, true);
-	}
-
-	if (unlock && cd_media) {
-		info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)\n");
-		media_lock(udev, fd, false);
-	}
-
-	if (eject) {
-		info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)\n");
-		media_lock(udev, fd, false);
-		info(udev, "START_STOP_UNIT (eject)\n");
-		media_eject(udev, fd);
-	}
-
-	printf("ID_CDROM=1\n");
-	if (cd_cd_rom)
-		printf("ID_CDROM_CD=1\n");
-	if (cd_cd_r)
-		printf("ID_CDROM_CD_R=1\n");
-	if (cd_cd_rw)
-		printf("ID_CDROM_CD_RW=1\n");
-	if (cd_dvd_rom)
-		printf("ID_CDROM_DVD=1\n");
-	if (cd_dvd_r)
-		printf("ID_CDROM_DVD_R=1\n");
-	if (cd_dvd_rw)
-		printf("ID_CDROM_DVD_RW=1\n");
-	if (cd_dvd_ram)
-		printf("ID_CDROM_DVD_RAM=1\n");
-	if (cd_dvd_plus_r)
-		printf("ID_CDROM_DVD_PLUS_R=1\n");
-	if (cd_dvd_plus_rw)
-		printf("ID_CDROM_DVD_PLUS_RW=1\n");
-	if (cd_dvd_plus_r_dl)
-		printf("ID_CDROM_DVD_PLUS_R_DL=1\n");
-	if (cd_dvd_plus_rw_dl)
-		printf("ID_CDROM_DVD_PLUS_RW_DL=1\n");
-	if (cd_bd)
-		printf("ID_CDROM_BD=1\n");
-	if (cd_bd_r)
-		printf("ID_CDROM_BD_R=1\n");
-	if (cd_bd_re)
-		printf("ID_CDROM_BD_RE=1\n");
-	if (cd_hddvd)
-		printf("ID_CDROM_HDDVD=1\n");
-	if (cd_hddvd_r)
-		printf("ID_CDROM_HDDVD_R=1\n");
-	if (cd_hddvd_rw)
-		printf("ID_CDROM_HDDVD_RW=1\n");
-	if (cd_mo)
-		printf("ID_CDROM_MO=1\n");
-	if (cd_mrw)
-		printf("ID_CDROM_MRW=1\n");
-	if (cd_mrw_w)
-		printf("ID_CDROM_MRW_W=1\n");
-
-	if (cd_media)
-		printf("ID_CDROM_MEDIA=1\n");
-	if (cd_media_mo)
-		printf("ID_CDROM_MEDIA_MO=1\n");
-	if (cd_media_mrw)
-		printf("ID_CDROM_MEDIA_MRW=1\n");
-	if (cd_media_mrw_w)
-		printf("ID_CDROM_MEDIA_MRW_W=1\n");
-	if (cd_media_cd_rom)
-		printf("ID_CDROM_MEDIA_CD=1\n");
-	if (cd_media_cd_r)
-		printf("ID_CDROM_MEDIA_CD_R=1\n");
-	if (cd_media_cd_rw)
-		printf("ID_CDROM_MEDIA_CD_RW=1\n");
-	if (cd_media_dvd_rom)
-		printf("ID_CDROM_MEDIA_DVD=1\n");
-	if (cd_media_dvd_r)
-		printf("ID_CDROM_MEDIA_DVD_R=1\n");
-	if (cd_media_dvd_ram)
-		printf("ID_CDROM_MEDIA_DVD_RAM=1\n");
-	if (cd_media_dvd_rw)
-		printf("ID_CDROM_MEDIA_DVD_RW=1\n");
-	if (cd_media_dvd_plus_r)
-		printf("ID_CDROM_MEDIA_DVD_PLUS_R=1\n");
-	if (cd_media_dvd_plus_rw)
-		printf("ID_CDROM_MEDIA_DVD_PLUS_RW=1\n");
-	if (cd_media_dvd_plus_rw_dl)
-		printf("ID_CDROM_MEDIA_DVD_PLUS_RW_DL=1\n");
-	if (cd_media_dvd_plus_r_dl)
-		printf("ID_CDROM_MEDIA_DVD_PLUS_R_DL=1\n");
-	if (cd_media_bd)
-		printf("ID_CDROM_MEDIA_BD=1\n");
-	if (cd_media_bd_r)
-		printf("ID_CDROM_MEDIA_BD_R=1\n");
-	if (cd_media_bd_re)
-		printf("ID_CDROM_MEDIA_BD_RE=1\n");
-	if (cd_media_hddvd)
-		printf("ID_CDROM_MEDIA_HDDVD=1\n");
-	if (cd_media_hddvd_r)
-		printf("ID_CDROM_MEDIA_HDDVD_R=1\n");
-	if (cd_media_hddvd_rw)
-		printf("ID_CDROM_MEDIA_HDDVD_RW=1\n");
-
-	if (cd_media_state != NULL)
-		printf("ID_CDROM_MEDIA_STATE=%s\n", cd_media_state);
-	if (cd_media_session_next > 0)
-		printf("ID_CDROM_MEDIA_SESSION_NEXT=%d\n", cd_media_session_next);
-	if (cd_media_session_count > 0)
-		printf("ID_CDROM_MEDIA_SESSION_COUNT=%d\n", cd_media_session_count);
-	if (cd_media_session_count > 1 && cd_media_session_last_offset > 0)
-		printf("ID_CDROM_MEDIA_SESSION_LAST_OFFSET=%llu\n", cd_media_session_last_offset);
-	if (cd_media_track_count > 0)
-		printf("ID_CDROM_MEDIA_TRACK_COUNT=%d\n", cd_media_track_count);
-	if (cd_media_track_count_audio > 0)
-		printf("ID_CDROM_MEDIA_TRACK_COUNT_AUDIO=%d\n", cd_media_track_count_audio);
-	if (cd_media_track_count_data > 0)
-		printf("ID_CDROM_MEDIA_TRACK_COUNT_DATA=%d\n", cd_media_track_count_data);
+        /* lock the media, so we enable eject button events */
+        if (lock && cd_media) {
+                info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (lock)\n");
+                media_lock(udev, fd, true);
+        }
+
+        if (unlock && cd_media) {
+                info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)\n");
+                media_lock(udev, fd, false);
+        }
+
+        if (eject) {
+                info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)\n");
+                media_lock(udev, fd, false);
+                info(udev, "START_STOP_UNIT (eject)\n");
+                media_eject(udev, fd);
+        }
+
+        printf("ID_CDROM=1\n");
+        if (cd_cd_rom)
+                printf("ID_CDROM_CD=1\n");
+        if (cd_cd_r)
+                printf("ID_CDROM_CD_R=1\n");
+        if (cd_cd_rw)
+                printf("ID_CDROM_CD_RW=1\n");
+        if (cd_dvd_rom)
+                printf("ID_CDROM_DVD=1\n");
+        if (cd_dvd_r)
+                printf("ID_CDROM_DVD_R=1\n");
+        if (cd_dvd_rw)
+                printf("ID_CDROM_DVD_RW=1\n");
+        if (cd_dvd_ram)
+                printf("ID_CDROM_DVD_RAM=1\n");
+        if (cd_dvd_plus_r)
+                printf("ID_CDROM_DVD_PLUS_R=1\n");
+        if (cd_dvd_plus_rw)
+                printf("ID_CDROM_DVD_PLUS_RW=1\n");
+        if (cd_dvd_plus_r_dl)
+                printf("ID_CDROM_DVD_PLUS_R_DL=1\n");
+        if (cd_dvd_plus_rw_dl)
+                printf("ID_CDROM_DVD_PLUS_RW_DL=1\n");
+        if (cd_bd)
+                printf("ID_CDROM_BD=1\n");
+        if (cd_bd_r)
+                printf("ID_CDROM_BD_R=1\n");
+        if (cd_bd_re)
+                printf("ID_CDROM_BD_RE=1\n");
+        if (cd_hddvd)
+                printf("ID_CDROM_HDDVD=1\n");
+        if (cd_hddvd_r)
+                printf("ID_CDROM_HDDVD_R=1\n");
+        if (cd_hddvd_rw)
+                printf("ID_CDROM_HDDVD_RW=1\n");
+        if (cd_mo)
+                printf("ID_CDROM_MO=1\n");
+        if (cd_mrw)
+                printf("ID_CDROM_MRW=1\n");
+        if (cd_mrw_w)
+                printf("ID_CDROM_MRW_W=1\n");
+
+        if (cd_media)
+                printf("ID_CDROM_MEDIA=1\n");
+        if (cd_media_mo)
+                printf("ID_CDROM_MEDIA_MO=1\n");
+        if (cd_media_mrw)
+                printf("ID_CDROM_MEDIA_MRW=1\n");
+        if (cd_media_mrw_w)
+                printf("ID_CDROM_MEDIA_MRW_W=1\n");
+        if (cd_media_cd_rom)
+                printf("ID_CDROM_MEDIA_CD=1\n");
+        if (cd_media_cd_r)
+                printf("ID_CDROM_MEDIA_CD_R=1\n");
+        if (cd_media_cd_rw)
+                printf("ID_CDROM_MEDIA_CD_RW=1\n");
+        if (cd_media_dvd_rom)
+                printf("ID_CDROM_MEDIA_DVD=1\n");
+        if (cd_media_dvd_r)
+                printf("ID_CDROM_MEDIA_DVD_R=1\n");
+        if (cd_media_dvd_ram)
+                printf("ID_CDROM_MEDIA_DVD_RAM=1\n");
+        if (cd_media_dvd_rw)
+                printf("ID_CDROM_MEDIA_DVD_RW=1\n");
+        if (cd_media_dvd_plus_r)
+                printf("ID_CDROM_MEDIA_DVD_PLUS_R=1\n");
+        if (cd_media_dvd_plus_rw)
+                printf("ID_CDROM_MEDIA_DVD_PLUS_RW=1\n");
+        if (cd_media_dvd_plus_rw_dl)
+                printf("ID_CDROM_MEDIA_DVD_PLUS_RW_DL=1\n");
+        if (cd_media_dvd_plus_r_dl)
+                printf("ID_CDROM_MEDIA_DVD_PLUS_R_DL=1\n");
+        if (cd_media_bd)
+                printf("ID_CDROM_MEDIA_BD=1\n");
+        if (cd_media_bd_r)
+                printf("ID_CDROM_MEDIA_BD_R=1\n");
+        if (cd_media_bd_re)
+                printf("ID_CDROM_MEDIA_BD_RE=1\n");
+        if (cd_media_hddvd)
+                printf("ID_CDROM_MEDIA_HDDVD=1\n");
+        if (cd_media_hddvd_r)
+                printf("ID_CDROM_MEDIA_HDDVD_R=1\n");
+        if (cd_media_hddvd_rw)
+                printf("ID_CDROM_MEDIA_HDDVD_RW=1\n");
+
+        if (cd_media_state != NULL)
+                printf("ID_CDROM_MEDIA_STATE=%s\n", cd_media_state);
+        if (cd_media_session_next > 0)
+                printf("ID_CDROM_MEDIA_SESSION_NEXT=%d\n", cd_media_session_next);
+        if (cd_media_session_count > 0)
+                printf("ID_CDROM_MEDIA_SESSION_COUNT=%d\n", cd_media_session_count);
+        if (cd_media_session_count > 1 && cd_media_session_last_offset > 0)
+                printf("ID_CDROM_MEDIA_SESSION_LAST_OFFSET=%llu\n", cd_media_session_last_offset);
+        if (cd_media_track_count > 0)
+                printf("ID_CDROM_MEDIA_TRACK_COUNT=%d\n", cd_media_track_count);
+        if (cd_media_track_count_audio > 0)
+                printf("ID_CDROM_MEDIA_TRACK_COUNT_AUDIO=%d\n", cd_media_track_count_audio);
+        if (cd_media_track_count_data > 0)
+                printf("ID_CDROM_MEDIA_TRACK_COUNT_DATA=%d\n", cd_media_track_count_data);
 exit:
-	if (fd >= 0)
-		close(fd);
-	udev_unref(udev);
-	udev_log_close();
-	return rc;
+        if (fd >= 0)
+                close(fd);
+        udev_unref(udev);
+        udev_log_close();
+        return rc;
 }
diff --git a/src/extras/collect/collect.c b/src/extras/collect/collect.c
index f78f3b77..076fe479 100644
--- a/src/extras/collect/collect.c
+++ b/src/extras/collect/collect.c
@@ -34,19 +34,19 @@
 #include "libudev.h"
 #include "libudev-private.h"
 
-#define BUFSIZE			16
-#define UDEV_ALARM_TIMEOUT	180
+#define BUFSIZE                        16
+#define UDEV_ALARM_TIMEOUT        180
 
 enum collect_state {
-	STATE_NONE,
-	STATE_OLD,
-	STATE_CONFIRMED,
+        STATE_NONE,
+        STATE_OLD,
+        STATE_CONFIRMED,
 };
 
 struct _mate {
-	struct udev_list_node node;
-	char *name;
-	enum collect_state state;
+        struct udev_list_node node;
+        char *name;
+        enum collect_state state;
 };
 
 static struct udev_list_node bunch;
@@ -57,29 +57,29 @@ static size_t bufsize = BUFSIZE;
 
 static struct _mate *node_to_mate(struct udev_list_node *node)
 {
-	char *mate;
+        char *mate;
 
-	mate = (char *)node;
-	mate -= offsetof(struct _mate, node);
-	return (struct _mate *)mate;
+        mate = (char *)node;
+        mate -= offsetof(struct _mate, node);
+        return (struct _mate *)mate;
 }
 
 static void sig_alrm(int signo)
 {
-	exit(4);
+        exit(4);
 }
 
 static void usage(void)
 {
-	printf("usage: collect [--add|--remove] [--debug] <checkpoint> <id> <idlist>\n"
-	       "\n"
-	       "  Adds ID <id> to the list governed by <checkpoint>.\n"
-	       "  <id> must be part of the list <idlist>.\n"
-	       "  If all IDs given by <idlist> are listed (ie collect has been\n"
-	       "  invoked for each ID in <idlist>) collect returns 0, the\n"
-	       "  number of missing IDs otherwise.\n"
-	       "  On error a negative number is returned.\n"
-	       "\n");
+        printf("usage: collect [--add|--remove] [--debug] <checkpoint> <id> <idlist>\n"
+               "\n"
+               "  Adds ID <id> to the list governed by <checkpoint>.\n"
+               "  <id> must be part of the list <idlist>.\n"
+               "  If all IDs given by <idlist> are listed (ie collect has been\n"
+               "  invoked for each ID in <idlist>) collect returns 0, the\n"
+               "  number of missing IDs otherwise.\n"
+               "  On error a negative number is returned.\n"
+               "\n");
 }
 
 /*
@@ -89,34 +89,34 @@ static void usage(void)
  */
 static int prepare(char *dir, char *filename)
 {
-	struct stat statbuf;
-	char buf[512];
-	int fd;
-
-	if (stat(dir, &statbuf) < 0)
-		mkdir(dir, 0700);
-
-	sprintf(buf, "%s/%s", dir, filename);
-
-	fd = open(buf,O_RDWR|O_CREAT, S_IRUSR|S_IWUSR);
-	if (fd < 0)
-		fprintf(stderr, "Cannot open %s: %s\n", buf, strerror(errno));
-
-	if (lockf(fd,F_TLOCK,0) < 0) {
-		if (debug)
-			fprintf(stderr, "Lock taken, wait for %d seconds\n", UDEV_ALARM_TIMEOUT);
-		if (errno == EAGAIN || errno == EACCES) {
-			alarm(UDEV_ALARM_TIMEOUT);
-			lockf(fd, F_LOCK, 0);
-			if (debug)
-				fprintf(stderr, "Acquired lock on %s\n", buf);
-		} else {
-			if (debug)
-				fprintf(stderr, "Could not get lock on %s: %s\n", buf, strerror(errno));
-		}
-	}
-
-	return fd;
+        struct stat statbuf;
+        char buf[512];
+        int fd;
+
+        if (stat(dir, &statbuf) < 0)
+                mkdir(dir, 0700);
+
+        sprintf(buf, "%s/%s", dir, filename);
+
+        fd = open(buf,O_RDWR|O_CREAT, S_IRUSR|S_IWUSR);
+        if (fd < 0)
+                fprintf(stderr, "Cannot open %s: %s\n", buf, strerror(errno));
+
+        if (lockf(fd,F_TLOCK,0) < 0) {
+                if (debug)
+                        fprintf(stderr, "Lock taken, wait for %d seconds\n", UDEV_ALARM_TIMEOUT);
+                if (errno == EAGAIN || errno == EACCES) {
+                        alarm(UDEV_ALARM_TIMEOUT);
+                        lockf(fd, F_LOCK, 0);
+                        if (debug)
+                                fprintf(stderr, "Acquired lock on %s\n", buf);
+                } else {
+                        if (debug)
+                                fprintf(stderr, "Could not get lock on %s: %s\n", buf, strerror(errno));
+                }
+        }
+
+        return fd;
 }
 
 /*
@@ -136,58 +136,58 @@ static int prepare(char *dir, char *filename)
  */
 static int checkout(int fd)
 {
-	int len;
-	char *buf, *ptr, *word = NULL;
-	struct _mate *him;
+        int len;
+        char *buf, *ptr, *word = NULL;
+        struct _mate *him;
 
  restart:
-	len = bufsize >> 1;
-	buf = calloc(1,bufsize + 1);
-	if (!buf) {
-		fprintf(stderr, "Out of memory\n");
-		return -1;
-	}
-	memset(buf, ' ', bufsize);
-	ptr = buf + len;
-	while ((read(fd, buf + len, len)) > 0) {
-		while (ptr && *ptr) {
-			word = ptr;
-			ptr = strpbrk(word," \n\t\r");
-			if (!ptr && word < (buf + len)) {
-				bufsize = bufsize << 1;
-				if (debug)
-					fprintf(stderr, "ID overflow, restarting with size %zi\n", bufsize);
-				free(buf);
-				lseek(fd, 0, SEEK_SET);
-				goto restart;
-			}
-			if (ptr) {
-				*ptr = '\0';
-				ptr++;
-				if (!strlen(word))
-					continue;
-
-				if (debug)
-					fprintf(stderr, "Found word %s\n", word);
-				him = malloc(sizeof (struct _mate));
-				him->name = strdup(word);
-				him->state = STATE_OLD;
-				udev_list_node_append(&him->node, &bunch);
-				word = NULL;
-			}
-		}
-		memcpy(buf, buf + len, len);
-		memset(buf + len, ' ', len);
-
-		if (!ptr)
-			ptr = word;
-		if (!ptr)
-			break;
-		ptr -= len;
-	}
-
-	free(buf);
-	return 0;
+        len = bufsize >> 1;
+        buf = calloc(1,bufsize + 1);
+        if (!buf) {
+                fprintf(stderr, "Out of memory\n");
+                return -1;
+        }
+        memset(buf, ' ', bufsize);
+        ptr = buf + len;
+        while ((read(fd, buf + len, len)) > 0) {
+                while (ptr && *ptr) {
+                        word = ptr;
+                        ptr = strpbrk(word," \n\t\r");
+                        if (!ptr && word < (buf + len)) {
+                                bufsize = bufsize << 1;
+                                if (debug)
+                                        fprintf(stderr, "ID overflow, restarting with size %zi\n", bufsize);
+                                free(buf);
+                                lseek(fd, 0, SEEK_SET);
+                                goto restart;
+                        }
+                        if (ptr) {
+                                *ptr = '\0';
+                                ptr++;
+                                if (!strlen(word))
+                                        continue;
+
+                                if (debug)
+                                        fprintf(stderr, "Found word %s\n", word);
+                                him = malloc(sizeof (struct _mate));
+                                him->name = strdup(word);
+                                him->state = STATE_OLD;
+                                udev_list_node_append(&him->node, &bunch);
+                                word = NULL;
+                        }
+                }
+                memcpy(buf, buf + len, len);
+                memset(buf + len, ' ', len);
+
+                if (!ptr)
+                        ptr = word;
+                if (!ptr)
+                        break;
+                ptr -= len;
+        }
+
+        free(buf);
+        return 0;
 }
 
 /*
@@ -198,22 +198,22 @@ static int checkout(int fd)
  */
 static void invite(char *us)
 {
-	struct udev_list_node *him_node;
-	struct _mate *who = NULL;
+        struct udev_list_node *him_node;
+        struct _mate *who = NULL;
 
-	if (debug)
-		fprintf(stderr, "Adding ID '%s'\n", us);
+        if (debug)
+                fprintf(stderr, "Adding ID '%s'\n", us);
 
-	udev_list_node_foreach(him_node, &bunch) {
-		struct _mate *him = node_to_mate(him_node);
+        udev_list_node_foreach(him_node, &bunch) {
+                struct _mate *him = node_to_mate(him_node);
 
-		if (!strcmp(him->name, us)) {
-			him->state = STATE_CONFIRMED;
-			who = him;
-		}
-	}
-	if (debug && !who)
-		fprintf(stderr, "ID '%s' not in database\n", us);
+                if (!strcmp(him->name, us)) {
+                        him->state = STATE_CONFIRMED;
+                        who = him;
+                }
+        }
+        if (debug && !who)
+                fprintf(stderr, "ID '%s' not in database\n", us);
 
 }
 
@@ -226,22 +226,22 @@ static void invite(char *us)
  */
 static void reject(char *us)
 {
-	struct udev_list_node *him_node;
-	struct _mate *who = NULL;
-
-	if (debug)
-		fprintf(stderr, "Removing ID '%s'\n", us);
-
-	udev_list_node_foreach(him_node, &bunch) {
-		struct _mate *him = node_to_mate(him_node);
-
-		if (!strcmp(him->name, us)) {
-			him->state = STATE_NONE;
-			who = him;
-		}
-	}
-	if (debug && !who)
-		fprintf(stderr, "ID '%s' not in database\n", us);
+        struct udev_list_node *him_node;
+        struct _mate *who = NULL;
+
+        if (debug)
+                fprintf(stderr, "Removing ID '%s'\n", us);
+
+        udev_list_node_foreach(him_node, &bunch) {
+                struct _mate *him = node_to_mate(him_node);
+
+                if (!strcmp(him->name, us)) {
+                        him->state = STATE_NONE;
+                        who = him;
+                }
+        }
+        if (debug && !who)
+                fprintf(stderr, "ID '%s' not in database\n", us);
 }
 
 /*
@@ -252,18 +252,18 @@ static void reject(char *us)
  */
 static void kickout(void)
 {
-	struct udev_list_node *him_node;
-	struct udev_list_node *tmp;
-
-	udev_list_node_foreach_safe(him_node, tmp, &bunch) {
-		struct _mate *him = node_to_mate(him_node);
-
-		if (him->state == STATE_OLD) {
-			udev_list_node_remove(&him->node);
-			free(him->name);
-			free(him);
-		}
-	}
+        struct udev_list_node *him_node;
+        struct udev_list_node *tmp;
+
+        udev_list_node_foreach_safe(him_node, tmp, &bunch) {
+                struct _mate *him = node_to_mate(him_node);
+
+                if (him->state == STATE_OLD) {
+                        udev_list_node_remove(&him->node);
+                        free(him->name);
+                        free(him);
+                }
+        }
 }
 
 /*
@@ -273,38 +273,38 @@ static void kickout(void)
  */
 static int missing(int fd)
 {
-	char *buf;
-	int ret = 0;
-	struct udev_list_node *him_node;
-
-	buf = malloc(bufsize);
-	if (!buf)
-		return -1;
-
-	udev_list_node_foreach(him_node, &bunch) {
-		struct _mate *him = node_to_mate(him_node);
-
-		if (him->state == STATE_NONE) {
-			ret++;
-		} else {
-			while (strlen(him->name)+1 >= bufsize) {
-				char *tmpbuf;
-
-				bufsize = bufsize << 1;
-				tmpbuf = realloc(buf, bufsize);
-				if (!tmpbuf) {
-					free(buf);
-					return -1;
-				}
-				buf = tmpbuf;
-			}
-			snprintf(buf, strlen(him->name)+2, "%s ", him->name);
-			write(fd, buf, strlen(buf));
-		}
-	}
-
-	free(buf);
-	return ret;
+        char *buf;
+        int ret = 0;
+        struct udev_list_node *him_node;
+
+        buf = malloc(bufsize);
+        if (!buf)
+                return -1;
+
+        udev_list_node_foreach(him_node, &bunch) {
+                struct _mate *him = node_to_mate(him_node);
+
+                if (him->state == STATE_NONE) {
+                        ret++;
+                } else {
+                        while (strlen(him->name)+1 >= bufsize) {
+                                char *tmpbuf;
+
+                                bufsize = bufsize << 1;
+                                tmpbuf = realloc(buf, bufsize);
+                                if (!tmpbuf) {
+                                        free(buf);
+                                        return -1;
+                                }
+                                buf = tmpbuf;
+                        }
+                        snprintf(buf, strlen(him->name)+2, "%s ", him->name);
+                        write(fd, buf, strlen(buf));
+                }
+        }
+
+        free(buf);
+        return ret;
 }
 
 /*
@@ -314,160 +314,160 @@ static int missing(int fd)
  */
 static void everybody(void)
 {
-	struct udev_list_node *him_node;
-	const char *state = "";
-
-	udev_list_node_foreach(him_node, &bunch) {
-		struct _mate *him = node_to_mate(him_node);
-
-		switch (him->state) {
-		case STATE_NONE:
-			state = "none";
-			break;
-		case STATE_OLD:
-			state = "old";
-			break;
-		case STATE_CONFIRMED:
-			state = "confirmed";
-			break;
-		}
-		fprintf(stderr, "ID: %s=%s\n", him->name, state);
-	}
+        struct udev_list_node *him_node;
+        const char *state = "";
+
+        udev_list_node_foreach(him_node, &bunch) {
+                struct _mate *him = node_to_mate(him_node);
+
+                switch (him->state) {
+                case STATE_NONE:
+                        state = "none";
+                        break;
+                case STATE_OLD:
+                        state = "old";
+                        break;
+                case STATE_CONFIRMED:
+                        state = "confirmed";
+                        break;
+                }
+                fprintf(stderr, "ID: %s=%s\n", him->name, state);
+        }
 }
 
 int main(int argc, char **argv)
 {
-	struct udev *udev;
-	static const struct option options[] = {
-		{ "add", no_argument, NULL, 'a' },
-		{ "remove", no_argument, NULL, 'r' },
-		{ "debug", no_argument, NULL, 'd' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-	int argi;
-	char *checkpoint, *us;
-	int fd;
-	int i;
-	int ret = EXIT_SUCCESS;
-	int prune = 0;
-	char tmpdir[UTIL_PATH_SIZE];
-
-	udev = udev_new();
-	if (udev == NULL) {
-		ret = EXIT_FAILURE;
-		goto exit;
-	}
-
-	while (1) {
-		int option;
-
-		option = getopt_long(argc, argv, "ardh", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'a':
-			prune = 0;
-			break;
-		case 'r':
-			prune = 1;
-			break;
-		case 'd':
-			debug = 1;
-			break;
-		case 'h':
-			usage();
-			goto exit;
-		default:
-			ret = 1;
-			goto exit;
-		}
-	}
-
-	argi = optind;
-	if (argi + 2 > argc) {
-		printf("Missing parameter(s)\n");
-		ret = 1;
-		goto exit;
-	}
-	checkpoint = argv[argi++];
-	us = argv[argi++];
-
-	if (signal(SIGALRM, sig_alrm) == SIG_ERR) {
-		fprintf(stderr, "Cannot set SIGALRM: %s\n", strerror(errno));
-		ret = 2;
-		goto exit;
-	}
-
-	udev_list_node_init(&bunch);
-
-	if (debug)
-		fprintf(stderr, "Using checkpoint '%s'\n", checkpoint);
-
-	util_strscpyl(tmpdir, sizeof(tmpdir), udev_get_run_path(udev), "/collect", NULL);
-	fd = prepare(tmpdir, checkpoint);
-	if (fd < 0) {
-		ret = 3;
-		goto out;
-	}
-
-	if (checkout(fd) < 0) {
-		ret = 2;
-		goto out;
-	}
-
-	for (i = argi; i < argc; i++) {
-		struct udev_list_node *him_node;
-		struct _mate *who;
-
-		who = NULL;
-		udev_list_node_foreach(him_node, &bunch) {
-			struct _mate *him = node_to_mate(him_node);
-
-			if (!strcmp(him->name, argv[i]))
-				who = him;
-		}
-		if (!who) {
-			struct _mate *him;
-
-			if (debug)
-				fprintf(stderr, "ID %s: not in database\n", argv[i]);
-			him = malloc(sizeof (struct _mate));
-			him->name = malloc(strlen(argv[i]) + 1);
-			strcpy(him->name, argv[i]);
-			him->state = STATE_NONE;
-			udev_list_node_append(&him->node, &bunch);
-		} else {
-			if (debug)
-				fprintf(stderr, "ID %s: found in database\n", argv[i]);
-			who->state = STATE_CONFIRMED;
-		}
-	}
-
-	if (prune)
-		reject(us);
-	else
-		invite(us);
-
-	if (debug) {
-		everybody();
-		fprintf(stderr, "Prune lists\n");
-	}
-	kickout();
-
-	lseek(fd, 0, SEEK_SET);
-	ftruncate(fd, 0);
-	ret = missing(fd);
-
-	lockf(fd, F_ULOCK, 0);
-	close(fd);
+        struct udev *udev;
+        static const struct option options[] = {
+                { "add", no_argument, NULL, 'a' },
+                { "remove", no_argument, NULL, 'r' },
+                { "debug", no_argument, NULL, 'd' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+        int argi;
+        char *checkpoint, *us;
+        int fd;
+        int i;
+        int ret = EXIT_SUCCESS;
+        int prune = 0;
+        char tmpdir[UTIL_PATH_SIZE];
+
+        udev = udev_new();
+        if (udev == NULL) {
+                ret = EXIT_FAILURE;
+                goto exit;
+        }
+
+        while (1) {
+                int option;
+
+                option = getopt_long(argc, argv, "ardh", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'a':
+                        prune = 0;
+                        break;
+                case 'r':
+                        prune = 1;
+                        break;
+                case 'd':
+                        debug = 1;
+                        break;
+                case 'h':
+                        usage();
+                        goto exit;
+                default:
+                        ret = 1;
+                        goto exit;
+                }
+        }
+
+        argi = optind;
+        if (argi + 2 > argc) {
+                printf("Missing parameter(s)\n");
+                ret = 1;
+                goto exit;
+        }
+        checkpoint = argv[argi++];
+        us = argv[argi++];
+
+        if (signal(SIGALRM, sig_alrm) == SIG_ERR) {
+                fprintf(stderr, "Cannot set SIGALRM: %s\n", strerror(errno));
+                ret = 2;
+                goto exit;
+        }
+
+        udev_list_node_init(&bunch);
+
+        if (debug)
+                fprintf(stderr, "Using checkpoint '%s'\n", checkpoint);
+
+        util_strscpyl(tmpdir, sizeof(tmpdir), udev_get_run_path(udev), "/collect", NULL);
+        fd = prepare(tmpdir, checkpoint);
+        if (fd < 0) {
+                ret = 3;
+                goto out;
+        }
+
+        if (checkout(fd) < 0) {
+                ret = 2;
+                goto out;
+        }
+
+        for (i = argi; i < argc; i++) {
+                struct udev_list_node *him_node;
+                struct _mate *who;
+
+                who = NULL;
+                udev_list_node_foreach(him_node, &bunch) {
+                        struct _mate *him = node_to_mate(him_node);
+
+                        if (!strcmp(him->name, argv[i]))
+                                who = him;
+                }
+                if (!who) {
+                        struct _mate *him;
+
+                        if (debug)
+                                fprintf(stderr, "ID %s: not in database\n", argv[i]);
+                        him = malloc(sizeof (struct _mate));
+                        him->name = malloc(strlen(argv[i]) + 1);
+                        strcpy(him->name, argv[i]);
+                        him->state = STATE_NONE;
+                        udev_list_node_append(&him->node, &bunch);
+                } else {
+                        if (debug)
+                                fprintf(stderr, "ID %s: found in database\n", argv[i]);
+                        who->state = STATE_CONFIRMED;
+                }
+        }
+
+        if (prune)
+                reject(us);
+        else
+                invite(us);
+
+        if (debug) {
+                everybody();
+                fprintf(stderr, "Prune lists\n");
+        }
+        kickout();
+
+        lseek(fd, 0, SEEK_SET);
+        ftruncate(fd, 0);
+        ret = missing(fd);
+
+        lockf(fd, F_ULOCK, 0);
+        close(fd);
 out:
-	if (debug)
-		everybody();
-	if (ret >= 0)
-		printf("COLLECT_%s=%d\n", checkpoint, ret);
+        if (debug)
+                everybody();
+        if (ret >= 0)
+                printf("COLLECT_%s=%d\n", checkpoint, ret);
 exit:
-	udev_unref(udev);
-	return ret;
+        udev_unref(udev);
+        return ret;
 }
diff --git a/src/extras/edd_id/edd_id.c b/src/extras/edd_id/edd_id.c
index ac4da076..471ea605 100644
--- a/src/extras/edd_id/edd_id.c
+++ b/src/extras/edd_id/edd_id.c
@@ -36,161 +36,161 @@
 #include "libudev-private.h"
 
 static void log_fn(struct udev *udev, int priority,
-		   const char *file, int line, const char *fn,
-		   const char *format, va_list args)
+                   const char *file, int line, const char *fn,
+                   const char *format, va_list args)
 {
-	vsyslog(priority, format, args);
+        vsyslog(priority, format, args);
 }
 
 int main(int argc, char *argv[])
 {
-	struct udev *udev;
-	const char *node = NULL;
-	int i;
-	int export = 0;
-	uint32_t disk_id;
-	uint16_t mbr_valid;
-	struct dirent *dent;
-	int disk_fd;
-	int sysfs_fd;
-	DIR *dir = NULL;
-	int rc = 1;
-	char filename[UTIL_PATH_SIZE];
-	char match[UTIL_PATH_SIZE];
-
-	udev = udev_new();
-	if (udev == NULL)
-		goto exit;
-
-	udev_log_init("edd_id");
-	udev_set_log_fn(udev, log_fn);
-
-	for (i = 1 ; i < argc; i++) {
-		char *arg = argv[i];
-
-		if (strcmp(arg, "--export") == 0) {
-			export = 1;
-		} else
-			node = arg;
-	}
-	if (node == NULL) {
-		err(udev, "no node specified\n");
-		fprintf(stderr, "no node specified\n");
-		goto exit;
-	}
-
-	/* check for kernel support */
-	util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), "/firmware/edd", NULL);
-	dir = opendir(filename);
-	if (dir == NULL) {
-		info(udev, "no kernel EDD support\n");
-		fprintf(stderr, "no kernel EDD support\n");
-		rc = 2;
-		goto exit;
-	}
-
-	disk_fd = open(node, O_RDONLY);
-	if (disk_fd < 0) {
-		info(udev, "unable to open '%s'\n", node);
-		fprintf(stderr, "unable to open '%s'\n", node);
-		rc = 3;
-		goto closedir;
-	}
-
-	/* check for valid MBR signature */
-	if (lseek(disk_fd, 510, SEEK_SET) < 0) {
-		info(udev, "seek to MBR validity failed '%s'\n", node);
-		rc = 4;
-		goto close;
-	}
-	if (read(disk_fd, &mbr_valid, sizeof(mbr_valid)) != sizeof(mbr_valid)) {
-		info(udev, "read MBR validity failed '%s'\n", node);
-		rc = 5;
-		goto close;
-	}
-	if (mbr_valid != 0xAA55) {
-		fprintf(stderr, "no valid MBR signature '%s'\n", node);
-		info(udev, "no valid MBR signature '%s'\n", node);
-		rc=6;
-		goto close;
-	}
-
-	/* read EDD signature */
-	if (lseek(disk_fd, 440, SEEK_SET) < 0) {
-		info(udev, "seek to signature failed '%s'\n", node);
-		rc = 7;
-		goto close;
-	}
-	if (read(disk_fd, &disk_id, sizeof(disk_id)) != sizeof(disk_id)) {
-		info(udev, "read signature failed '%s'\n", node);
-		rc = 8;
-		goto close;
-	}
-	/* all zero is invalid */
-	info(udev, "read id 0x%08x from '%s'\n", disk_id, node);
-	if (disk_id == 0) {
-		fprintf(stderr, "no EDD signature '%s'\n", node);
-		info(udev, "'%s' signature is zero\n", node);
-		rc = 9;
-		goto close;
-	}
-
-	/* lookup signature in sysfs to determine the name */
-	match[0] = '\0';
-	for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-		char sysfs_id_buf[256];
-		uint32_t sysfs_id;
-		ssize_t size;
-
-		if (dent->d_name[0] == '.')
-			continue;
-
-		util_strscpyl(filename, sizeof(filename), dent->d_name, "/mbr_signature", NULL);
-		sysfs_fd = openat(dirfd(dir), filename, O_RDONLY);
-		if (sysfs_fd < 0) {
-			info(udev, "unable to open sysfs '%s'\n", filename);
-			continue;
-		}
-
-		size = read(sysfs_fd, sysfs_id_buf, sizeof(sysfs_id_buf)-1);
-		close(sysfs_fd);
-		if (size <= 0) {
-			info(udev, "read sysfs '%s' failed\n", filename);
-			continue;
-		}
-		sysfs_id_buf[size] = '\0';
-		info(udev, "read '%s' from '%s'\n", sysfs_id_buf, filename);
-		sysfs_id = strtoul(sysfs_id_buf, NULL, 16);
-
-		/* look for matching value, that appears only once */
-		if (disk_id == sysfs_id) {
-			if (match[0] == '\0') {
-				/* store id */
-				util_strscpy(match, sizeof(match), dent->d_name);
-			} else {
-				/* error, same signature for another device */
-				info(udev, "'%s' does not have a unique signature\n", node);
-				fprintf(stderr, "'%s' does not have a unique signature\n", node);
-				rc = 10;
-				goto exit;
-			}
-		}
-	}
-
-	if (match[0] != '\0') {
-		if (export)
-			printf("ID_EDD=%s\n", match);
-		else
-			printf("%s\n", match);
-		rc = 0;
-	}
+        struct udev *udev;
+        const char *node = NULL;
+        int i;
+        int export = 0;
+        uint32_t disk_id;
+        uint16_t mbr_valid;
+        struct dirent *dent;
+        int disk_fd;
+        int sysfs_fd;
+        DIR *dir = NULL;
+        int rc = 1;
+        char filename[UTIL_PATH_SIZE];
+        char match[UTIL_PATH_SIZE];
+
+        udev = udev_new();
+        if (udev == NULL)
+                goto exit;
+
+        udev_log_init("edd_id");
+        udev_set_log_fn(udev, log_fn);
+
+        for (i = 1 ; i < argc; i++) {
+                char *arg = argv[i];
+
+                if (strcmp(arg, "--export") == 0) {
+                        export = 1;
+                } else
+                        node = arg;
+        }
+        if (node == NULL) {
+                err(udev, "no node specified\n");
+                fprintf(stderr, "no node specified\n");
+                goto exit;
+        }
+
+        /* check for kernel support */
+        util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), "/firmware/edd", NULL);
+        dir = opendir(filename);
+        if (dir == NULL) {
+                info(udev, "no kernel EDD support\n");
+                fprintf(stderr, "no kernel EDD support\n");
+                rc = 2;
+                goto exit;
+        }
+
+        disk_fd = open(node, O_RDONLY);
+        if (disk_fd < 0) {
+                info(udev, "unable to open '%s'\n", node);
+                fprintf(stderr, "unable to open '%s'\n", node);
+                rc = 3;
+                goto closedir;
+        }
+
+        /* check for valid MBR signature */
+        if (lseek(disk_fd, 510, SEEK_SET) < 0) {
+                info(udev, "seek to MBR validity failed '%s'\n", node);
+                rc = 4;
+                goto close;
+        }
+        if (read(disk_fd, &mbr_valid, sizeof(mbr_valid)) != sizeof(mbr_valid)) {
+                info(udev, "read MBR validity failed '%s'\n", node);
+                rc = 5;
+                goto close;
+        }
+        if (mbr_valid != 0xAA55) {
+                fprintf(stderr, "no valid MBR signature '%s'\n", node);
+                info(udev, "no valid MBR signature '%s'\n", node);
+                rc=6;
+                goto close;
+        }
+
+        /* read EDD signature */
+        if (lseek(disk_fd, 440, SEEK_SET) < 0) {
+                info(udev, "seek to signature failed '%s'\n", node);
+                rc = 7;
+                goto close;
+        }
+        if (read(disk_fd, &disk_id, sizeof(disk_id)) != sizeof(disk_id)) {
+                info(udev, "read signature failed '%s'\n", node);
+                rc = 8;
+                goto close;
+        }
+        /* all zero is invalid */
+        info(udev, "read id 0x%08x from '%s'\n", disk_id, node);
+        if (disk_id == 0) {
+                fprintf(stderr, "no EDD signature '%s'\n", node);
+                info(udev, "'%s' signature is zero\n", node);
+                rc = 9;
+                goto close;
+        }
+
+        /* lookup signature in sysfs to determine the name */
+        match[0] = '\0';
+        for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
+                char sysfs_id_buf[256];
+                uint32_t sysfs_id;
+                ssize_t size;
+
+                if (dent->d_name[0] == '.')
+                        continue;
+
+                util_strscpyl(filename, sizeof(filename), dent->d_name, "/mbr_signature", NULL);
+                sysfs_fd = openat(dirfd(dir), filename, O_RDONLY);
+                if (sysfs_fd < 0) {
+                        info(udev, "unable to open sysfs '%s'\n", filename);
+                        continue;
+                }
+
+                size = read(sysfs_fd, sysfs_id_buf, sizeof(sysfs_id_buf)-1);
+                close(sysfs_fd);
+                if (size <= 0) {
+                        info(udev, "read sysfs '%s' failed\n", filename);
+                        continue;
+                }
+                sysfs_id_buf[size] = '\0';
+                info(udev, "read '%s' from '%s'\n", sysfs_id_buf, filename);
+                sysfs_id = strtoul(sysfs_id_buf, NULL, 16);
+
+                /* look for matching value, that appears only once */
+                if (disk_id == sysfs_id) {
+                        if (match[0] == '\0') {
+                                /* store id */
+                                util_strscpy(match, sizeof(match), dent->d_name);
+                        } else {
+                                /* error, same signature for another device */
+                                info(udev, "'%s' does not have a unique signature\n", node);
+                                fprintf(stderr, "'%s' does not have a unique signature\n", node);
+                                rc = 10;
+                                goto exit;
+                        }
+                }
+        }
+
+        if (match[0] != '\0') {
+                if (export)
+                        printf("ID_EDD=%s\n", match);
+                else
+                        printf("%s\n", match);
+                rc = 0;
+        }
 
 close:
-	close(disk_fd);
+        close(disk_fd);
 closedir:
-	closedir(dir);
+        closedir(dir);
 exit:
-	udev_unref(udev);
-	udev_log_close();
-	return rc;
+        udev_unref(udev);
+        udev_log_close();
+        return rc;
 }
diff --git a/src/extras/floppy/create_floppy_devices.c b/src/extras/floppy/create_floppy_devices.c
index 47724f8b..f71ef0d8 100644
--- a/src/extras/floppy/create_floppy_devices.c
+++ b/src/extras/floppy/create_floppy_devices.c
@@ -34,12 +34,12 @@
 #include "libudev-private.h"
 
 static char *table[] = {
-	"", "d360", "h1200", "u360", "u720", "h360", "h720",
-	"u1440", "u2880", "CompaQ", "h1440", "u1680", "h410",
-	"u820", "h1476", "u1722", "h420", "u830", "h1494", "u1743",
-	"h880", "u1040", "u1120", "h1600", "u1760", "u1920",
-	"u3200", "u3520", "u3840", "u1840", "u800", "u1600",
-	NULL
+        "", "d360", "h1200", "u360", "u720", "h360", "h720",
+        "u1440", "u2880", "CompaQ", "h1440", "u1680", "h410",
+        "u820", "h1476", "u1722", "h420", "u830", "h1494", "u1743",
+        "h880", "u1040", "u1120", "h1600", "u1760", "u1920",
+        "u3200", "u3520", "u3840", "u1840", "u800", "u1600",
+        NULL
 };
 
 static int t360[] = { 1, 0 };
@@ -48,130 +48,130 @@ static int t3in[] = { 8, 9, 26, 27, 28, 7, 11, 15, 19, 24, 25, 29, 31, 3, 4, 13,
 static int *table_sup[] = { NULL, t360, t1200, t3in+5+8, t3in+5, t3in, t3in };
 
 static void log_fn(struct udev *udev, int priority,
-		   const char *file, int line, const char *fn,
-		   const char *format, va_list args)
+                   const char *file, int line, const char *fn,
+                   const char *format, va_list args)
 {
-	vsyslog(priority, format, args);
+        vsyslog(priority, format, args);
 }
 
 int main(int argc, char **argv)
 {
-	struct udev *udev;
-	char *dev;
-	char *devname;
-	char node[64];
-	int type = 0, i, fdnum, c;
-	int major = 2, minor;
-	uid_t uid = 0;
-	gid_t gid = 0;
-	mode_t mode = 0660;
-	int create_nodes = 0;
-	int print_nodes = 0;
-	int is_err = 0;
-
-	udev = udev_new();
-	if (udev == NULL)
-		goto exit;
-
-	udev_log_init("create_floppy_devices");
-	udev_set_log_fn(udev, log_fn);
-	udev_selinux_init(udev);
-
-	while ((c = getopt(argc, argv, "cudm:U:G:M:t:")) != -1) {
-		switch (c) {
-		case 'c':
-			create_nodes = 1;
-			break;
-		case 'd':
-			print_nodes = 1;
-			break;
-		case 'U':
-			uid = util_lookup_user(udev, optarg);
-			break;
-		case 'G':
-			gid = util_lookup_group(udev, optarg);
-			break;
-		case 'M':
-			mode = strtol(optarg, NULL, 0);
-			mode = mode & 0666;
-			break;
-		case 'm':
-			major = strtol(optarg, NULL, 0);
-			break;
-		case 't':
-			type = strtol(optarg, NULL, 0);
-			break;
-		default:
-			is_err++;
-			break;
-		}
-	}
-
-	if (is_err || optind >= argc) {
-		printf("Usage:  %s [OPTION] device\n"
-		       "  -c   create\n"
-		       "  -d   debug\n"
-		       "  -m   Major number\n"
-		       "  -t   floppy type number\n"
-		       "  -U   device node user ownership\n"
-		       "  -G   device node group owner\n"
-		       "  -M   device node mode\n"
-		       "\n", argv[0]);
-		return 1;
-	}
-
-	dev = argv[optind];
-	devname = strrchr(dev, '/');
-	if (devname != NULL)
-		devname = &devname[1];
-	else
-		devname = dev;
-	if (strncmp(devname, "fd", 2) != 0) {
-		fprintf(stderr,"Device '%s' is not a floppy device\n", dev);
-		return 1;
-	}
-
-	fdnum = strtol(&devname[2], NULL, 10);
-	if (fdnum < 0 || fdnum > 7) {
-		fprintf(stderr,"Floppy device number %d out of range (0-7)\n", fdnum);
-		return 1;
-	}
-	if (fdnum > 3)
-		fdnum += 124;
-
-	if (major < 1) {
-		fprintf(stderr,"Invalid major number %d\n", major);
-		return 1;
-	}
-
-	if (type < 0 || type >= (int) ARRAY_SIZE(table_sup)) {
-		fprintf(stderr,"Invalid CMOS type %d\n", type);
-		return 1;
-	}
-
-	if (type == 0)
-		return 0;
-
-	i = 0;
-	while (table_sup[type][i]) {
-		sprintf(node, "%s%s", dev, table[table_sup[type][i]]);
-		minor = (table_sup[type][i] << 2) + fdnum;
-		if (print_nodes)
-			printf("%s b %.4o %d %d\n", node, mode, major, minor);
-		if (create_nodes) {
-			unlink(node);
-			udev_selinux_setfscreatecon(udev, node, S_IFBLK | mode);
-			mknod(node, S_IFBLK | mode, makedev(major,minor));
-			udev_selinux_resetfscreatecon(udev);
-			chown(node, uid, gid);
-			chmod(node, S_IFBLK | mode);
-		}
-		i++;
-	}
-
-	udev_selinux_exit(udev);
-	udev_unref(udev);
-	udev_log_close();
+        struct udev *udev;
+        char *dev;
+        char *devname;
+        char node[64];
+        int type = 0, i, fdnum, c;
+        int major = 2, minor;
+        uid_t uid = 0;
+        gid_t gid = 0;
+        mode_t mode = 0660;
+        int create_nodes = 0;
+        int print_nodes = 0;
+        int is_err = 0;
+
+        udev = udev_new();
+        if (udev == NULL)
+                goto exit;
+
+        udev_log_init("create_floppy_devices");
+        udev_set_log_fn(udev, log_fn);
+        udev_selinux_init(udev);
+
+        while ((c = getopt(argc, argv, "cudm:U:G:M:t:")) != -1) {
+                switch (c) {
+                case 'c':
+                        create_nodes = 1;
+                        break;
+                case 'd':
+                        print_nodes = 1;
+                        break;
+                case 'U':
+                        uid = util_lookup_user(udev, optarg);
+                        break;
+                case 'G':
+                        gid = util_lookup_group(udev, optarg);
+                        break;
+                case 'M':
+                        mode = strtol(optarg, NULL, 0);
+                        mode = mode & 0666;
+                        break;
+                case 'm':
+                        major = strtol(optarg, NULL, 0);
+                        break;
+                case 't':
+                        type = strtol(optarg, NULL, 0);
+                        break;
+                default:
+                        is_err++;
+                        break;
+                }
+        }
+
+        if (is_err || optind >= argc) {
+                printf("Usage:  %s [OPTION] device\n"
+                       "  -c   create\n"
+                       "  -d   debug\n"
+                       "  -m   Major number\n"
+                       "  -t   floppy type number\n"
+                       "  -U   device node user ownership\n"
+                       "  -G   device node group owner\n"
+                       "  -M   device node mode\n"
+                       "\n", argv[0]);
+                return 1;
+        }
+
+        dev = argv[optind];
+        devname = strrchr(dev, '/');
+        if (devname != NULL)
+                devname = &devname[1];
+        else
+                devname = dev;
+        if (strncmp(devname, "fd", 2) != 0) {
+                fprintf(stderr,"Device '%s' is not a floppy device\n", dev);
+                return 1;
+        }
+
+        fdnum = strtol(&devname[2], NULL, 10);
+        if (fdnum < 0 || fdnum > 7) {
+                fprintf(stderr,"Floppy device number %d out of range (0-7)\n", fdnum);
+                return 1;
+        }
+        if (fdnum > 3)
+                fdnum += 124;
+
+        if (major < 1) {
+                fprintf(stderr,"Invalid major number %d\n", major);
+                return 1;
+        }
+
+        if (type < 0 || type >= (int) ARRAY_SIZE(table_sup)) {
+                fprintf(stderr,"Invalid CMOS type %d\n", type);
+                return 1;
+        }
+
+        if (type == 0)
+                return 0;
+
+        i = 0;
+        while (table_sup[type][i]) {
+                sprintf(node, "%s%s", dev, table[table_sup[type][i]]);
+                minor = (table_sup[type][i] << 2) + fdnum;
+                if (print_nodes)
+                        printf("%s b %.4o %d %d\n", node, mode, major, minor);
+                if (create_nodes) {
+                        unlink(node);
+                        udev_selinux_setfscreatecon(udev, node, S_IFBLK | mode);
+                        mknod(node, S_IFBLK | mode, makedev(major,minor));
+                        udev_selinux_resetfscreatecon(udev);
+                        chown(node, uid, gid);
+                        chmod(node, S_IFBLK | mode);
+                }
+                i++;
+        }
+
+        udev_selinux_exit(udev);
+        udev_unref(udev);
+        udev_log_close();
 exit:
-	return 0;
+        return 0;
 }
diff --git a/src/extras/gudev/COPYING b/src/extras/gudev/COPYING
index 47044a8c..da97db2b 100644
--- a/src/extras/gudev/COPYING
+++ b/src/extras/gudev/COPYING
@@ -1,5 +1,5 @@
-		  GNU LESSER GENERAL PUBLIC LICENSE
-		       Version 2.1, February 1999
+                  GNU LESSER GENERAL PUBLIC LICENSE
+                       Version 2.1, February 1999
 
  Copyright (C) 1991, 1999 Free Software Foundation, Inc.
      51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
@@ -10,7 +10,7 @@
  as the successor of the GNU Library Public License, version 2, hence
  the version number 2.1.]
 
-			    Preamble
+                            Preamble
 
   The licenses for most software are designed to take away your
 freedom to share and change it.  By contrast, the GNU General Public
@@ -112,7 +112,7 @@ modification follow.  Pay close attention to the difference between a
 former contains code derived from the library, whereas the latter must
 be combined with the library in order to run.
 
-		  GNU LESSER GENERAL PUBLIC LICENSE
+                  GNU LESSER GENERAL PUBLIC LICENSE
    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 
   0. This License Agreement applies to any software library or other
@@ -432,7 +432,7 @@ decision will be guided by the two goals of preserving the free status
 of all derivatives of our free software and of promoting the sharing
 and reuse of software generally.
 
-			    NO WARRANTY
+                            NO WARRANTY
 
   15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
 WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
@@ -455,7 +455,7 @@ FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
 SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
 DAMAGES.
 
-		     END OF TERMS AND CONDITIONS
+                     END OF TERMS AND CONDITIONS
 
            How to Apply These Terms to Your New Libraries
 
diff --git a/src/extras/gudev/docs/Makefile.am b/src/extras/gudev/docs/Makefile.am
index 65e69975..35121976 100644
--- a/src/extras/gudev/docs/Makefile.am
+++ b/src/extras/gudev/docs/Makefile.am
@@ -78,14 +78,14 @@ expand_content_files=
 # e.g. GTKDOC_CFLAGS=-I$(top_srcdir) -I$(top_builddir) $(GTK_DEBUG_FLAGS)
 # e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib)
 GTKDOC_CFLAGS = \
-	$(DBUS_GLIB_CFLAGS) \
-	$(GLIB_CFLAGS) \
-	-I$(top_srcdir)/src/extras/gudev \
-	-I$(top_builddir)/src/extras/gudev
+        $(DBUS_GLIB_CFLAGS) \
+        $(GLIB_CFLAGS) \
+        -I$(top_srcdir)/src/extras/gudev \
+        -I$(top_builddir)/src/extras/gudev
 
 GTKDOC_LIBS = \
-	$(GLIB_LIBS) \
-	$(top_builddir)/src/extras/gudev/libgudev-1.0.la
+        $(GLIB_LIBS) \
+        $(top_builddir)/src/extras/gudev/libgudev-1.0.la
 
 # This includes the standard gtk-doc make rules, copied by gtkdocize.
 include $(top_srcdir)/gtk-doc.make
diff --git a/src/extras/gudev/docs/gudev-docs.xml b/src/extras/gudev/docs/gudev-docs.xml
index 65fdfff8..f876c3bc 100644
--- a/src/extras/gudev/docs/gudev-docs.xml
+++ b/src/extras/gudev/docs/gudev-docs.xml
@@ -9,22 +9,22 @@
     <releaseinfo>For GUdev version &version;</releaseinfo>
     <authorgroup>
       <author>
-	<firstname>David</firstname>
-	<surname>Zeuthen</surname>
-	<affiliation>
-	  <address>
-	    <email>davidz@redhat.com</email>
-	  </address>
-	</affiliation>
+        <firstname>David</firstname>
+        <surname>Zeuthen</surname>
+        <affiliation>
+          <address>
+            <email>davidz@redhat.com</email>
+          </address>
+        </affiliation>
       </author>
       <author>
-	<firstname>Bastien</firstname>
-	<surname>Nocera</surname>
-	<affiliation>
-	  <address>
-	    <email>hadess@hadess.net</email>
-	  </address>
-	</affiliation>
+        <firstname>Bastien</firstname>
+        <surname>Nocera</surname>
+        <affiliation>
+          <address>
+            <email>hadess@hadess.net</email>
+          </address>
+        </affiliation>
       </author>
     </authorgroup>
 
@@ -35,32 +35,32 @@
 
     <legalnotice>
       <para>
-	Permission is granted to copy, distribute and/or modify this
-	document under the terms of the <citetitle>GNU Free
-	Documentation License</citetitle>, Version 1.1 or any later
-	version published by the Free Software Foundation with no
-	Invariant Sections, no Front-Cover Texts, and no Back-Cover
-	Texts. You may obtain a copy of the <citetitle>GNU Free
-	Documentation License</citetitle> from the Free Software
-	Foundation by visiting <ulink type="http"
-	url="http://www.fsf.org">their Web site</ulink> or by writing
-	to:
+        Permission is granted to copy, distribute and/or modify this
+        document under the terms of the <citetitle>GNU Free
+        Documentation License</citetitle>, Version 1.1 or any later
+        version published by the Free Software Foundation with no
+        Invariant Sections, no Front-Cover Texts, and no Back-Cover
+        Texts. You may obtain a copy of the <citetitle>GNU Free
+        Documentation License</citetitle> from the Free Software
+        Foundation by visiting <ulink type="http"
+        url="http://www.fsf.org">their Web site</ulink> or by writing
+        to:
 
-	<address>
-	  The Free Software Foundation, Inc.,
-	  <street>59 Temple Place</street> - Suite 330,
-	  <city>Boston</city>, <state>MA</state> <postcode>02111-1307</postcode>,
-	  <country>USA</country>
-	</address>
+        <address>
+          The Free Software Foundation, Inc.,
+          <street>59 Temple Place</street> - Suite 330,
+          <city>Boston</city>, <state>MA</state> <postcode>02111-1307</postcode>,
+          <country>USA</country>
+        </address>
       </para>
 
       <para>
-	Many of the names used by companies to distinguish their
-	products and services are claimed as trademarks. Where those
-	names appear in any freedesktop.org documentation, and those
-	trademarks are made aware to the members of the
-	freedesktop.org Project, the names have been printed in caps
-	or initial caps.
+        Many of the names used by companies to distinguish their
+        products and services are claimed as trademarks. Where those
+        names appear in any freedesktop.org documentation, and those
+        trademarks are made aware to the members of the
+        freedesktop.org Project, the names have been printed in caps
+        or initial caps.
       </para>
     </legalnotice>
   </bookinfo>
@@ -69,8 +69,8 @@
     <title>API Reference</title>
     <partintro>
       <para>
-	This part presents the class and function reference for the
-	<literal>libgudev</literal> library.
+        This part presents the class and function reference for the
+        <literal>libgudev</literal> library.
       </para>
     </partintro>
     <xi:include href="xml/gudevclient.xml"/>
diff --git a/src/extras/gudev/gudevclient.c b/src/extras/gudev/gudevclient.c
index a6465ad9..2b94102a 100644
--- a/src/extras/gudev/gudevclient.c
+++ b/src/extras/gudev/gudevclient.c
@@ -87,8 +87,8 @@ G_DEFINE_TYPE (GUdevClient, g_udev_client, G_TYPE_OBJECT)
 
 static gboolean
 monitor_event (GIOChannel *source,
-	       GIOCondition condition,
-	       gpointer data)
+               GIOCondition condition,
+               gpointer data)
 {
   GUdevClient *client = (GUdevClient *) data;
   GUdevDevice *device;
diff --git a/src/extras/keymap/check-keymaps.sh b/src/extras/keymap/check-keymaps.sh
index ea77b69c..f81b6aac 100755
--- a/src/extras/keymap/check-keymaps.sh
+++ b/src/extras/keymap/check-keymaps.sh
@@ -9,30 +9,30 @@ KEYMAPS_DIR=$SRCDIR/src/extras/keymap/keymaps #extras/keymap/keymaps
 RULES=$SRCDIR/src/extras/keymap/95-keymap.rules
 
 [ -e "$KEYLIST" ] || {
-    echo "need $KEYLIST please build first" >&2
-    exit 1
+        echo "need $KEYLIST please build first" >&2
+        exit 1
 }
 
 missing=$(join -v 2 <(awk '{print tolower(substr($1,5))}' $KEYLIST | sort -u) \
                     <(grep -hv '^#' ${KEYMAPS_DIR}/*| awk '{print $2}' | sort -u))
 [ -z "$missing" ] || {
-    echo "ERROR: unknown key names in extras/keymap/keymaps/*:" >&2
-    echo "$missing" >&2
-    exit 1
+        echo "ERROR: unknown key names in extras/keymap/keymaps/*:" >&2
+        echo "$missing" >&2
+        exit 1
 }
 
 # check that all maps referred to in $RULES exist
 maps=$(sed -rn '/keymap \$name/ { s/^.*\$name ([^"[:space:]]+).*$/\1/; p }' $RULES)
 for m in $maps; do
-    # ignore inline mappings
-    [ "$m" = "${m#0x}" ] || continue
+        # ignore inline mappings
+        [ "$m" = "${m#0x}" ] || continue
 
-    [ -e ${KEYMAPS_DIR}/$m ] || {
-	echo "ERROR: unknown map name in $RULES: $m" >&2
-	exit 1
-    }
-    grep -q "extras/keymap/keymaps/$m\>" $SRCDIR/Makefile.am || {
-	echo "ERROR: map file $m is not added to Makefile.am" >&2
-	exit 1
-    }
+        [ -e ${KEYMAPS_DIR}/$m ] || {
+                echo "ERROR: unknown map name in $RULES: $m" >&2
+                exit 1
+        }
+        grep -q "extras/keymap/keymaps/$m\>" $SRCDIR/Makefile.am || {
+                echo "ERROR: map file $m is not added to Makefile.am" >&2
+                exit 1
+        }
 done
diff --git a/src/extras/keymap/findkeyboards b/src/extras/keymap/findkeyboards
index eba3737a..9ce27429 100755
--- a/src/extras/keymap/findkeyboards
+++ b/src/extras/keymap/findkeyboards
@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/bin/sh -e
 # Find "real" keyboard devices and print their device path.
 # Author: Martin Pitt <martin.pitt@ubuntu.com>
 #
@@ -14,58 +14,55 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 # General Public License for more details.
 
-set -e
-
 # returns OK if $1 contains $2
 strstr() {
-    [ "${1#*$2*}" != "$1" ]
+        [ "${1#*$2*}" != "$1" ]
 }
 
 # returns OK if $1 contains $2 at the beginning
 str_starts() {
-    [ "${1#$2*}" != "$1" ]
+        [ "${1#$2*}" != "$1" ]
 }
 
 str_line_starts() {
-    while read a; do str_starts "$a" "$1" && return 0;done
-    return 1;
+        while read a; do str_starts "$a" "$1" && return 0;done
+        return 1;
 }
 
 # print a list of input devices which are keyboard-like
 keyboard_devices() {
-    # standard AT keyboard
-    for dev in `udevadm trigger --dry-run --verbose --property-match=ID_INPUT_KEYBOARD=1`; do
-        walk=`udevadm info --attribute-walk --path=$dev`
-        env=`udevadm info --query=env --path=$dev`
-        # filter out non-event devices, such as the parent input devices which
-        # have no devnode
-        if ! echo "$env" | str_line_starts 'DEVNAME='; then
-            continue
-        fi
-        if strstr "$walk" 'DRIVERS=="atkbd"'; then
-            echo -n 'AT keyboard: '
-        elif echo "$env" | str_line_starts 'ID_USB_DRIVER=usbhid'; then
-            echo -n 'USB keyboard: '
-        else
-            echo -n 'Unknown type: '
-        fi
-        udevadm info --query=name --path=$dev
-    done
+        # standard AT keyboard
+        for dev in `udevadm trigger --dry-run --verbose --property-match=ID_INPUT_KEYBOARD=1`; do
+                walk=`udevadm info --attribute-walk --path=$dev`
+                env=`udevadm info --query=env --path=$dev`
+                # filter out non-event devices, such as the parent input devices which have no devnode
+                if ! echo "$env" | str_line_starts 'DEVNAME='; then
+                        continue
+                fi
+                if strstr "$walk" 'DRIVERS=="atkbd"'; then
+                        echo -n 'AT keyboard: '
+                elif echo "$env" | str_line_starts 'ID_USB_DRIVER=usbhid'; then
+                        echo -n 'USB keyboard: '
+                else
+                        echo -n 'Unknown type: '
+               fi
+                       udevadm info --query=name --path=$dev
+        done
 
-    # modules
-    module=$(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='*Extra Buttons')
-    module="$module
-$(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='*extra buttons')"
-    module="$module
-$(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='Sony Vaio Keys')"
-    for m in $module; do
-        for evdev in $m/event*/dev; do
-            if [ -e "$evdev" ]; then
-		echo -n 'module: '
-		udevadm info --query=name --path=${evdev%%/dev}
-            fi
-	done
-    done
+        # modules
+        module=$(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='*Extra Buttons')
+        module="$module
+        $(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='*extra buttons')"
+        module="$module
+        $(udevadm trigger --verbose --dry-run --subsystem-match=input --attr-match=name='Sony Vaio Keys')"
+        for m in $module; do
+                for evdev in $m/event*/dev; do
+                        if [ -e "$evdev" ]; then
+                                echo -n 'module: '
+                                udevadm info --query=name --path=${evdev%%/dev}
+                        fi
+                done
+        done
 }
 
 keyboard_devices
diff --git a/src/extras/keymap/keyboard-force-release.sh.in b/src/extras/keymap/keyboard-force-release.sh.in
index 154be3d7..dd040ceb 100755
--- a/src/extras/keymap/keyboard-force-release.sh.in
+++ b/src/extras/keymap/keyboard-force-release.sh.in
@@ -5,18 +5,18 @@
 # $2 file with scancode list (hex or dec)
 
 case "$2" in
-	/*) scf="$2" ;;
-	*)  scf="@pkglibexecdir@/keymaps/force-release/$2" ;;
+        /*) scf="$2" ;;
+        *)  scf="@pkglibexecdir@/keymaps/force-release/$2" ;;
 esac
 
 read attr <"/sys/$1/force_release"
 while read scancode dummy; do
-	case "$scancode" in
-		\#*) ;;
-		*)
-			scancode=$(($scancode))
-			attr="$attr${attr:+,}$scancode"
-			;;
-	esac
+        case "$scancode" in
+                \#*) ;;
+                *)
+                        scancode=$(($scancode))
+                        attr="$attr${attr:+,}$scancode"
+                        ;;
+        esac
 done <"$scf"
 echo "$attr" >"/sys/$1/force_release"
diff --git a/src/extras/keymap/keymap.c b/src/extras/keymap/keymap.c
index 6bcfaefa..92ec67b3 100644
--- a/src/extras/keymap/keymap.c
+++ b/src/extras/keymap/keymap.c
@@ -45,403 +45,403 @@ const struct key* lookup_key (const char *str, unsigned int len);
 
 static int evdev_open(const char *dev)
 {
-	int fd;
-	char fn[PATH_MAX];
-
-	if (strncmp(dev, "/dev", 4) != 0) {
-		snprintf(fn, sizeof(fn), "/dev/%s", dev);
-		dev = fn;
-	}
-
-	if ((fd = open(dev, O_RDWR)) < 0) {
-		fprintf(stderr, "error open('%s'): %m\n", dev);
-		return -1;
-	}
-	return fd;
+        int fd;
+        char fn[PATH_MAX];
+
+        if (strncmp(dev, "/dev", 4) != 0) {
+                snprintf(fn, sizeof(fn), "/dev/%s", dev);
+                dev = fn;
+        }
+
+        if ((fd = open(dev, O_RDWR)) < 0) {
+                fprintf(stderr, "error open('%s'): %m\n", dev);
+                return -1;
+        }
+        return fd;
 }
 
 static int evdev_get_keycode(int fd, int scancode, int e)
 {
-	int codes[2];
-
-	codes[0] = scancode;
-	if (ioctl(fd, EVIOCGKEYCODE, codes) < 0) {
-		if (e && errno == EINVAL) {
-			return -2;
-		} else {
-			fprintf(stderr, "EVIOCGKEYCODE: %m\n");
-			return -1;
-		}
-	}
-	return codes[1];
+        int codes[2];
+
+        codes[0] = scancode;
+        if (ioctl(fd, EVIOCGKEYCODE, codes) < 0) {
+                if (e && errno == EINVAL) {
+                        return -2;
+                } else {
+                        fprintf(stderr, "EVIOCGKEYCODE: %m\n");
+                        return -1;
+                }
+        }
+        return codes[1];
 }
 
 static int evdev_set_keycode(int fd, int scancode, int keycode)
 {
-	int codes[2];
+        int codes[2];
 
-	codes[0] = scancode;
-	codes[1] = keycode;
+        codes[0] = scancode;
+        codes[1] = keycode;
 
-	if (ioctl(fd, EVIOCSKEYCODE, codes) < 0) {
-		fprintf(stderr, "EVIOCSKEYCODE: %m\n");
-		return -1;
-	}
-	return 0;
+        if (ioctl(fd, EVIOCSKEYCODE, codes) < 0) {
+                fprintf(stderr, "EVIOCSKEYCODE: %m\n");
+                return -1;
+        }
+        return 0;
 }
 
 static int evdev_driver_version(int fd, char *v, size_t l)
 {
-	int version;
+        int version;
 
-	if (ioctl(fd, EVIOCGVERSION, &version)) {
-		fprintf(stderr, "EVIOCGVERSION: %m\n");
-		return -1;
-	}
+        if (ioctl(fd, EVIOCGVERSION, &version)) {
+                fprintf(stderr, "EVIOCGVERSION: %m\n");
+                return -1;
+        }
 
-	snprintf(v, l, "%i.%i.%i.", version >> 16, (version >> 8) & 0xff, version & 0xff);
-	return 0;
+        snprintf(v, l, "%i.%i.%i.", version >> 16, (version >> 8) & 0xff, version & 0xff);
+        return 0;
 }
 
 static int evdev_device_name(int fd, char *n, size_t l)
 {
-	if (ioctl(fd, EVIOCGNAME(l), n) < 0) {
-		fprintf(stderr, "EVIOCGNAME: %m\n");
-		return -1;
-	}
-	return 0;
+        if (ioctl(fd, EVIOCGNAME(l), n) < 0) {
+                fprintf(stderr, "EVIOCGNAME: %m\n");
+                return -1;
+        }
+        return 0;
 }
 
 /* Return a lower-case string with KEY_ prefix removed */
 static const char* format_keyname(const char* key) {
-	static char result[101];
-	const char* s;
-	int len;
-
-	for (s = key+4, len = 0; *s && len < 100; ++len, ++s)
-		result[len] = tolower(*s);
-	result[len] = '\0';
-	return result;
+        static char result[101];
+        const char* s;
+        int len;
+
+        for (s = key+4, len = 0; *s && len < 100; ++len, ++s)
+                result[len] = tolower(*s);
+        result[len] = '\0';
+        return result;
 }
 
 static int dump_table(int fd) {
-	char version[256], name[256];
-	int scancode, r = -1;
+        char version[256], name[256];
+        int scancode, r = -1;
 
-	if (evdev_driver_version(fd, version, sizeof(version)) < 0)
-		goto fail;
+        if (evdev_driver_version(fd, version, sizeof(version)) < 0)
+                goto fail;
 
-	if (evdev_device_name(fd, name, sizeof(name)) < 0)
-		goto fail;
+        if (evdev_device_name(fd, name, sizeof(name)) < 0)
+                goto fail;
 
-	printf("### evdev %s, driver '%s'\n", version, name);
+        printf("### evdev %s, driver '%s'\n", version, name);
 
-	r = 0;
-	for (scancode = 0; scancode < MAX_SCANCODES; scancode++) {
-		int keycode;
+        r = 0;
+        for (scancode = 0; scancode < MAX_SCANCODES; scancode++) {
+                int keycode;
 
-		if ((keycode = evdev_get_keycode(fd, scancode, 1)) < 0) {
-			if (keycode == -2)
-				continue;
-			r = -1;
-			break;
-		}
+                if ((keycode = evdev_get_keycode(fd, scancode, 1)) < 0) {
+                        if (keycode == -2)
+                                continue;
+                        r = -1;
+                        break;
+                }
 
-		if (keycode < KEY_MAX && key_names[keycode])
-			printf("0x%03x %s\n", scancode, format_keyname(key_names[keycode]));
-		else
-			printf("0x%03x 0x%03x\n", scancode, keycode);
-	}
+                if (keycode < KEY_MAX && key_names[keycode])
+                        printf("0x%03x %s\n", scancode, format_keyname(key_names[keycode]));
+                else
+                        printf("0x%03x 0x%03x\n", scancode, keycode);
+        }
 fail:
-	return r;
+        return r;
 }
 
 static void set_key(int fd, const char* scancode_str, const char* keyname)
 {
-	unsigned scancode;
-	char *endptr;
-	char t[105] = "KEY_UNKNOWN";
-	const struct key *k;
-
-	scancode = (unsigned) strtol(scancode_str, &endptr, 0);
-	if (*endptr != '\0') {
-		fprintf(stderr, "ERROR: Invalid scancode\n");
-		exit(1);
-	}
-
-	snprintf(t, sizeof(t), "KEY_%s", keyname);
-
-	if (!(k = lookup_key(t, strlen(t)))) {
-		fprintf(stderr, "ERROR: Unknown key name '%s'\n", keyname);
-		exit(1);
-	}
-
-	if (evdev_set_keycode(fd, scancode, k->id) < 0)
-		fprintf(stderr, "setting scancode 0x%2X to key code %i failed\n",
-			scancode, k->id);
-	else
-		printf("setting scancode 0x%2X to key code %i\n",
-			scancode, k->id);
+        unsigned scancode;
+        char *endptr;
+        char t[105] = "KEY_UNKNOWN";
+        const struct key *k;
+
+        scancode = (unsigned) strtol(scancode_str, &endptr, 0);
+        if (*endptr != '\0') {
+                fprintf(stderr, "ERROR: Invalid scancode\n");
+                exit(1);
+        }
+
+        snprintf(t, sizeof(t), "KEY_%s", keyname);
+
+        if (!(k = lookup_key(t, strlen(t)))) {
+                fprintf(stderr, "ERROR: Unknown key name '%s'\n", keyname);
+                exit(1);
+        }
+
+        if (evdev_set_keycode(fd, scancode, k->id) < 0)
+                fprintf(stderr, "setting scancode 0x%2X to key code %i failed\n",
+                        scancode, k->id);
+        else
+                printf("setting scancode 0x%2X to key code %i\n",
+                        scancode, k->id);
 }
 
 static int merge_table(int fd, FILE *f) {
-	int r = 0;
-	int line = 0;
-
-	while (!feof(f)) {
-		char s[256], *p;
-		int scancode, new_keycode, old_keycode;
-
-		if (!fgets(s, sizeof(s), f))
-			break;
-
-		line++;
-		p = s+strspn(s, "\t ");
-		if (*p == '#' || *p == '\n')
-			continue;
-
-		if (sscanf(p, "%i %i", &scancode, &new_keycode) != 2) {
-			char t[105] = "KEY_UNKNOWN";
-			const struct key *k;
-
-			if (sscanf(p, "%i %100s", &scancode, t+4) != 2) {
-				fprintf(stderr, "WARNING: Parse failure at line %i, ignoring.\n", line);
-				r = -1;
-				continue;
-			}
-
-			if (!(k = lookup_key(t, strlen(t)))) {
-				fprintf(stderr, "WARNING: Unknown key '%s' at line %i, ignoring.\n", t, line);
-				r = -1;
-				continue;
-			}
-
-			new_keycode = k->id;
-		}
-
-
-		if ((old_keycode = evdev_get_keycode(fd, scancode, 0)) < 0) {
-			r = -1;
-			goto fail;
-		}
-
-		if (evdev_set_keycode(fd, scancode, new_keycode) < 0) {
-			r = -1;
-			goto fail;
-		}
-
-		if (new_keycode != old_keycode)
-			fprintf(stderr, "Remapped scancode 0x%02x to 0x%02x (prior: 0x%02x)\n",
-				scancode, new_keycode, old_keycode);
-	}
+        int r = 0;
+        int line = 0;
+
+        while (!feof(f)) {
+                char s[256], *p;
+                int scancode, new_keycode, old_keycode;
+
+                if (!fgets(s, sizeof(s), f))
+                        break;
+
+                line++;
+                p = s+strspn(s, "\t ");
+                if (*p == '#' || *p == '\n')
+                        continue;
+
+                if (sscanf(p, "%i %i", &scancode, &new_keycode) != 2) {
+                        char t[105] = "KEY_UNKNOWN";
+                        const struct key *k;
+
+                        if (sscanf(p, "%i %100s", &scancode, t+4) != 2) {
+                                fprintf(stderr, "WARNING: Parse failure at line %i, ignoring.\n", line);
+                                r = -1;
+                                continue;
+                        }
+
+                        if (!(k = lookup_key(t, strlen(t)))) {
+                                fprintf(stderr, "WARNING: Unknown key '%s' at line %i, ignoring.\n", t, line);
+                                r = -1;
+                                continue;
+                        }
+
+                        new_keycode = k->id;
+                }
+
+
+                if ((old_keycode = evdev_get_keycode(fd, scancode, 0)) < 0) {
+                        r = -1;
+                        goto fail;
+                }
+
+                if (evdev_set_keycode(fd, scancode, new_keycode) < 0) {
+                        r = -1;
+                        goto fail;
+                }
+
+                if (new_keycode != old_keycode)
+                        fprintf(stderr, "Remapped scancode 0x%02x to 0x%02x (prior: 0x%02x)\n",
+                                scancode, new_keycode, old_keycode);
+        }
 fail:
-	fclose(f);
-	return r;
+        fclose(f);
+        return r;
 }
 
 
 /* read one event; return 1 if valid */
 static int read_event(int fd, struct input_event* ev)
 {
-	int ret;
-	ret = read(fd, ev, sizeof(struct input_event));
-
-	if (ret < 0) {
-		perror("read");
-		return 0;
-	}
-	if (ret != sizeof(struct input_event)) {
-		fprintf(stderr, "did not get enough data for event struct, aborting\n");
-		return 0;
-	}
-
-	return 1;
+        int ret;
+        ret = read(fd, ev, sizeof(struct input_event));
+
+        if (ret < 0) {
+                perror("read");
+                return 0;
+        }
+        if (ret != sizeof(struct input_event)) {
+                fprintf(stderr, "did not get enough data for event struct, aborting\n");
+                return 0;
+        }
+
+        return 1;
 }
 
 static void print_key(uint32_t scancode, uint16_t keycode, int has_scan, int has_key)
 {
-	const char *keyname;
-
-	/* ignore key release events */
-	if (has_key == 1)
-		return;
-
-	if (has_key == 0 && has_scan != 0) {
-		fprintf(stderr, "got scan code event 0x%02X without a key code event\n",
-			scancode);
-		return;
-	}
-
-	if (has_scan != 0)
-		printf("scan code: 0x%02X   ", scancode);
-	else
-		printf("(no scan code received)  ");
-
-	keyname = key_names[keycode];
-	if (keyname != NULL)
-		printf("key code: %s\n", format_keyname(keyname));
-	else
-		printf("key code: %03X\n", keycode);
+        const char *keyname;
+
+        /* ignore key release events */
+        if (has_key == 1)
+                return;
+
+        if (has_key == 0 && has_scan != 0) {
+                fprintf(stderr, "got scan code event 0x%02X without a key code event\n",
+                        scancode);
+                return;
+        }
+
+        if (has_scan != 0)
+                printf("scan code: 0x%02X   ", scancode);
+        else
+                printf("(no scan code received)  ");
+
+        keyname = key_names[keycode];
+        if (keyname != NULL)
+                printf("key code: %s\n", format_keyname(keyname));
+        else
+                printf("key code: %03X\n", keycode);
 }
 
 static void interactive(int fd)
 {
-	struct input_event ev;
-	uint32_t last_scan = 0;
-	uint16_t last_key = 0;
-	int has_scan; /* boolean */
-	int has_key; /* 0: none, 1: release, 2: press */
-
-	/* grab input device */
-	ioctl(fd, EVIOCGRAB, 1);
-	puts("Press ESC to finish, or Control-C if this device is not your primary keyboard");
-
-	has_scan = has_key = 0;
-	while (read_event(fd, &ev)) {
-		/* Drivers usually send the scan code first, then the key code,
-		 * then a SYN. Some drivers (like thinkpad_acpi) send the key
-		 * code first, and some drivers might not send SYN events, so
-		 * keep a robust state machine which can deal with any of those
-		 */
-
-		if (ev.type == EV_MSC && ev.code == MSC_SCAN) {
-			if (has_scan) {
-				fputs("driver did not send SYN event in between key events; previous event:\n",
-				      stderr);
-				print_key(last_scan, last_key, has_scan, has_key);
-				has_key = 0;
-			}
-
-			last_scan = ev.value;
-			has_scan = 1;
-			/*printf("--- got scan %u; has scan %i key %i\n", last_scan, has_scan, has_key); */
-		}
-		else if (ev.type == EV_KEY) {
-			if (has_key) {
-				fputs("driver did not send SYN event in between key events; previous event:\n",
-				      stderr);
-				print_key(last_scan, last_key, has_scan, has_key);
-				has_scan = 0;
-			}
-
-			last_key = ev.code;
-			has_key = 1 + ev.value;
-			/*printf("--- got key %hu; has scan %i key %i\n", last_key, has_scan, has_key);*/
-
-			/* Stop on ESC */
-			if (ev.code == KEY_ESC && ev.value == 0)
-				break;
-		}
-		else if (ev.type == EV_SYN) {
-			/*printf("--- got SYN; has scan %i key %i\n", has_scan, has_key);*/
-			print_key(last_scan, last_key, has_scan, has_key);
-
-			has_scan = has_key = 0;
-		}
-
-	}
-
-	/* release input device */
-	ioctl(fd, EVIOCGRAB, 0);
+        struct input_event ev;
+        uint32_t last_scan = 0;
+        uint16_t last_key = 0;
+        int has_scan; /* boolean */
+        int has_key; /* 0: none, 1: release, 2: press */
+
+        /* grab input device */
+        ioctl(fd, EVIOCGRAB, 1);
+        puts("Press ESC to finish, or Control-C if this device is not your primary keyboard");
+
+        has_scan = has_key = 0;
+        while (read_event(fd, &ev)) {
+                /* Drivers usually send the scan code first, then the key code,
+                 * then a SYN. Some drivers (like thinkpad_acpi) send the key
+                 * code first, and some drivers might not send SYN events, so
+                 * keep a robust state machine which can deal with any of those
+                 */
+
+                if (ev.type == EV_MSC && ev.code == MSC_SCAN) {
+                        if (has_scan) {
+                                fputs("driver did not send SYN event in between key events; previous event:\n",
+                                      stderr);
+                                print_key(last_scan, last_key, has_scan, has_key);
+                                has_key = 0;
+                        }
+
+                        last_scan = ev.value;
+                        has_scan = 1;
+                        /*printf("--- got scan %u; has scan %i key %i\n", last_scan, has_scan, has_key); */
+                }
+                else if (ev.type == EV_KEY) {
+                        if (has_key) {
+                                fputs("driver did not send SYN event in between key events; previous event:\n",
+                                      stderr);
+                                print_key(last_scan, last_key, has_scan, has_key);
+                                has_scan = 0;
+                        }
+
+                        last_key = ev.code;
+                        has_key = 1 + ev.value;
+                        /*printf("--- got key %hu; has scan %i key %i\n", last_key, has_scan, has_key);*/
+
+                        /* Stop on ESC */
+                        if (ev.code == KEY_ESC && ev.value == 0)
+                                break;
+                }
+                else if (ev.type == EV_SYN) {
+                        /*printf("--- got SYN; has scan %i key %i\n", has_scan, has_key);*/
+                        print_key(last_scan, last_key, has_scan, has_key);
+
+                        has_scan = has_key = 0;
+                }
+
+        }
+
+        /* release input device */
+        ioctl(fd, EVIOCGRAB, 0);
 }
 
 static void help(int error)
 {
-	const char* h = "Usage: keymap <event device> [<map file>]\n"
-	                "       keymap <event device> scancode keyname [...]\n"
-		        "       keymap -i <event device>\n";
-	if (error) {
-		fputs(h, stderr);
-		exit(2);
-	} else {
-		fputs(h, stdout);
-		exit(0);
-	}
+        const char* h = "Usage: keymap <event device> [<map file>]\n"
+                        "       keymap <event device> scancode keyname [...]\n"
+                        "       keymap -i <event device>\n";
+        if (error) {
+                fputs(h, stderr);
+                exit(2);
+        } else {
+                fputs(h, stdout);
+                exit(0);
+        }
 }
 
 int main(int argc, char **argv)
 {
-	static const struct option options[] = {
-		{ "help", no_argument, NULL, 'h' },
-		{ "interactive", no_argument, NULL, 'i' },
-		{}
-	};
-	int fd = -1;
-	int opt_interactive = 0;
-	int i;
-
-	while (1) {
-		int option;
-
-		option = getopt_long(argc, argv, "hi", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'h':
-		        help(0);
-
-		case 'i':
-			opt_interactive = 1;
-			break;
-		default:
-			return 1;
-		}
-	}
-
-	if (argc < optind+1)
-		help (1);
-
-	if ((fd = evdev_open(argv[optind])) < 0)
-		return 3;
-
-	/* one argument (device): dump or interactive */
-	if (argc == optind+1) {
-		if (opt_interactive)
-			interactive(fd);
-		else
-			dump_table(fd);
-		return 0;
-	}
-
-	/* two arguments (device, mapfile): set map file */
-	if (argc == optind+2) {
-		const char *filearg = argv[optind+1];
-		if (strchr(filearg, '/')) {
-			/* Keymap file argument is a path */
-			FILE *f = fopen(filearg, "r");
-			if (f)
-				merge_table(fd, f);
-			else
-				perror(filearg);
-		} else {
-			/* Keymap file argument is a filename */
-			/* Open override file if present, otherwise default file */
-			char keymap_path[PATH_MAX];
-			snprintf(keymap_path, sizeof(keymap_path), "%s%s", SYSCONFDIR "/udev/keymaps/", filearg);
-			FILE *f = fopen(keymap_path, "r");
-			if (f) {
-				merge_table(fd, f);
-			} else {
-				snprintf(keymap_path, sizeof(keymap_path), "%s%s", PKGLIBEXECDIR "/keymaps/", filearg);
-				f = fopen(keymap_path, "r");
-				if (f)
-					merge_table(fd, f);
-				else
-					perror(keymap_path);
-			}
-		}
-		return 0;
-	}
-
-	/* more arguments (device, scancode/keyname pairs): set keys directly */
-	if ((argc - optind - 1) % 2 == 0) {
-		for (i = optind+1; i < argc; i += 2)
-			set_key(fd, argv[i], argv[i+1]);
-		return 0;
-	}
-
-	/* invalid number of arguments */
-	help(1);
-	return 1; /* not reached */
+        static const struct option options[] = {
+                { "help", no_argument, NULL, 'h' },
+                { "interactive", no_argument, NULL, 'i' },
+                {}
+        };
+        int fd = -1;
+        int opt_interactive = 0;
+        int i;
+
+        while (1) {
+                int option;
+
+                option = getopt_long(argc, argv, "hi", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'h':
+                        help(0);
+
+                case 'i':
+                        opt_interactive = 1;
+                        break;
+                default:
+                        return 1;
+                }
+        }
+
+        if (argc < optind+1)
+                help (1);
+
+        if ((fd = evdev_open(argv[optind])) < 0)
+                return 3;
+
+        /* one argument (device): dump or interactive */
+        if (argc == optind+1) {
+                if (opt_interactive)
+                        interactive(fd);
+                else
+                        dump_table(fd);
+                return 0;
+        }
+
+        /* two arguments (device, mapfile): set map file */
+        if (argc == optind+2) {
+                const char *filearg = argv[optind+1];
+                if (strchr(filearg, '/')) {
+                        /* Keymap file argument is a path */
+                        FILE *f = fopen(filearg, "r");
+                        if (f)
+                                merge_table(fd, f);
+                        else
+                                perror(filearg);
+                } else {
+                        /* Keymap file argument is a filename */
+                        /* Open override file if present, otherwise default file */
+                        char keymap_path[PATH_MAX];
+                        snprintf(keymap_path, sizeof(keymap_path), "%s%s", SYSCONFDIR "/udev/keymaps/", filearg);
+                        FILE *f = fopen(keymap_path, "r");
+                        if (f) {
+                                merge_table(fd, f);
+                        } else {
+                                snprintf(keymap_path, sizeof(keymap_path), "%s%s", PKGLIBEXECDIR "/keymaps/", filearg);
+                                f = fopen(keymap_path, "r");
+                                if (f)
+                                        merge_table(fd, f);
+                                else
+                                        perror(keymap_path);
+                        }
+                }
+                return 0;
+        }
+
+        /* more arguments (device, scancode/keyname pairs): set keys directly */
+        if ((argc - optind - 1) % 2 == 0) {
+                for (i = optind+1; i < argc; i += 2)
+                        set_key(fd, argv[i], argv[i+1]);
+                return 0;
+        }
+
+        /* invalid number of arguments */
+        help(1);
+        return 1; /* not reached */
 }
diff --git a/src/extras/keymap/keymaps/acer-aspire_5720 b/src/extras/keymap/keymaps/acer-aspire_5720
index c4a84593..1496d63a 100644
--- a/src/extras/keymap/keymaps/acer-aspire_5720
+++ b/src/extras/keymap/keymaps/acer-aspire_5720
@@ -1,4 +1,4 @@
 0x84 bluetooth  # sent when bluetooth module missing, and key pressed
-0x92 media	# acer arcade
+0x92 media      # acer arcade
 0xD4 bluetooth  # bluetooth on
 0xD9 bluetooth  # bluetooth off
diff --git a/src/extras/keymap/keymaps/lenovo-ideapad b/src/extras/keymap/keymaps/lenovo-ideapad
index d5f25671..9ab02ba3 100644
--- a/src/extras/keymap/keymaps/lenovo-ideapad
+++ b/src/extras/keymap/keymaps/lenovo-ideapad
@@ -1,7 +1,7 @@
 # Key codes observed on S10-3, assumed valid on other IdeaPad models
-0x81 rfkill			# does nothing in BIOS
-0x83 display_off		# BIOS toggles screen state
-0xB9 brightnessup		# does nothing in BIOS
-0xBA brightnessdown		# does nothing in BIOS
-0xF1 camera			# BIOS toggles camera power
-0xf2 unknown			# trackpad enable/disable (does nothing in BIOS)
+0x81 rfkill             # does nothing in BIOS
+0x83 display_off        # BIOS toggles screen state
+0xB9 brightnessup       # does nothing in BIOS
+0xBA brightnessdown     # does nothing in BIOS
+0xF1 camera             # BIOS toggles camera power
+0xf2 unknown            # trackpad enable/disable (does nothing in BIOS)
diff --git a/src/extras/mtd_probe/mtd_probe.c b/src/extras/mtd_probe/mtd_probe.c
index e45867ff..1aa08d38 100644
--- a/src/extras/mtd_probe/mtd_probe.c
+++ b/src/extras/mtd_probe/mtd_probe.c
@@ -28,24 +28,24 @@
 
 int main(int argc, char** argv)
 {
-	if (argc != 2) {
-		printf("usage: mtd_probe /dev/mtd[n]\n");
-		return 1;
-	}
+        if (argc != 2) {
+                printf("usage: mtd_probe /dev/mtd[n]\n");
+                return 1;
+        }
 
-	int mtd_fd = open(argv[1], O_RDONLY);
-	if (mtd_fd == -1) {
-		perror("open");
-		exit(-1);
-	}
+        int mtd_fd = open(argv[1], O_RDONLY);
+        if (mtd_fd == -1) {
+                perror("open");
+                exit(-1);
+        }
 
-	mtd_info_t mtd_info;
-	int error = ioctl(mtd_fd, MEMGETINFO, &mtd_info);
-	if (error == -1) {
-		perror("ioctl");
-		exit(-1);
-	}
+        mtd_info_t mtd_info;
+        int error = ioctl(mtd_fd, MEMGETINFO, &mtd_info);
+        if (error == -1) {
+                perror("ioctl");
+                exit(-1);
+        }
 
-	probe_smart_media(mtd_fd, &mtd_info);
-	return -1;
+        probe_smart_media(mtd_fd, &mtd_info);
+        return -1;
 }
diff --git a/src/extras/mtd_probe/mtd_probe.h b/src/extras/mtd_probe/mtd_probe.h
index 20ecd457..2a37ede5 100644
--- a/src/extras/mtd_probe/mtd_probe.h
+++ b/src/extras/mtd_probe/mtd_probe.h
@@ -21,29 +21,29 @@
 
 /* Full oob structure as written on the flash */
 struct sm_oob {
-	uint32_t reserved;
-	uint8_t data_status;
-	uint8_t block_status;
-	uint8_t lba_copy1[2];
-	uint8_t ecc2[3];
-	uint8_t lba_copy2[2];
-	uint8_t ecc1[3];
+        uint32_t reserved;
+        uint8_t data_status;
+        uint8_t block_status;
+        uint8_t lba_copy1[2];
+        uint8_t ecc2[3];
+        uint8_t lba_copy2[2];
+        uint8_t ecc1[3];
 } __attribute__((packed));
 
 
 /* one sector is always 512 bytes, but it can consist of two nand pages */
-#define SM_SECTOR_SIZE		512
+#define SM_SECTOR_SIZE                512
 
 /* oob area is also 16 bytes, but might be from two pages */
-#define SM_OOB_SIZE		16
+#define SM_OOB_SIZE                16
 
 /* This is maximum zone size, and all devices that have more that one zone
    have this size */
-#define SM_MAX_ZONE_SIZE 	1024
+#define SM_MAX_ZONE_SIZE         1024
 
 /* support for small page nand */
-#define SM_SMALL_PAGE 		256
-#define SM_SMALL_OOB_SIZE	8
+#define SM_SMALL_PAGE                 256
+#define SM_SMALL_OOB_SIZE        8
 
 
 void probe_smart_media(int mtd_fd, mtd_info_t *info);
diff --git a/src/extras/mtd_probe/probe_smartmedia.c b/src/extras/mtd_probe/probe_smartmedia.c
index 49704e38..b3cdefc6 100644
--- a/src/extras/mtd_probe/probe_smartmedia.c
+++ b/src/extras/mtd_probe/probe_smartmedia.c
@@ -30,68 +30,68 @@
 #include "mtd_probe.h"
 
 static const uint8_t cis_signature[] = {
-	0x01, 0x03, 0xD9, 0x01, 0xFF, 0x18, 0x02, 0xDF, 0x01, 0x20
+        0x01, 0x03, 0xD9, 0x01, 0xFF, 0x18, 0x02, 0xDF, 0x01, 0x20
 };
 
 
 void probe_smart_media(int mtd_fd, mtd_info_t* info)
 {
-	char* cis_buffer = malloc(SM_SECTOR_SIZE);
+        char* cis_buffer = malloc(SM_SECTOR_SIZE);
 
-	if (!cis_buffer)
-		return;
+        if (!cis_buffer)
+                return;
 
-	if (info->type != MTD_NANDFLASH)
-		goto exit;
+        if (info->type != MTD_NANDFLASH)
+                goto exit;
 
-	int sector_size = info->writesize;
-	int block_size = info->erasesize;
-	int size_in_megs = info->size / (1024 * 1024);
-	int spare_count;
+        int sector_size = info->writesize;
+        int block_size = info->erasesize;
+        int size_in_megs = info->size / (1024 * 1024);
+        int spare_count;
 
 
-	if (sector_size != SM_SECTOR_SIZE && sector_size != SM_SMALL_PAGE)
-		goto exit;
+        if (sector_size != SM_SECTOR_SIZE && sector_size != SM_SMALL_PAGE)
+                goto exit;
 
-	switch(size_in_megs) {
-	case 1:
-	case 2:
-		spare_count = 6;
-		break;
-	case 4:
-		spare_count = 12;
-		break;
-	default:
-		spare_count = 24;
-		break;
-	}
+        switch(size_in_megs) {
+        case 1:
+        case 2:
+                spare_count = 6;
+                break;
+        case 4:
+                spare_count = 12;
+                break;
+        default:
+                spare_count = 24;
+                break;
+        }
 
 
-	int offset;
-	int cis_found = 0;
+        int offset;
+        int cis_found = 0;
 
-	for (offset = 0 ; offset < block_size * spare_count ;
-						offset += sector_size) {
+        for (offset = 0 ; offset < block_size * spare_count ;
+                                                offset += sector_size) {
 
-		lseek(mtd_fd, SEEK_SET, offset);
-		if (read(mtd_fd, cis_buffer, SM_SECTOR_SIZE) == SM_SECTOR_SIZE){
-			cis_found = 1;
-			break;
-		}
-	}
+                lseek(mtd_fd, SEEK_SET, offset);
+                if (read(mtd_fd, cis_buffer, SM_SECTOR_SIZE) == SM_SECTOR_SIZE){
+                        cis_found = 1;
+                        break;
+                }
+        }
 
-	if (!cis_found)
-		goto exit;
+        if (!cis_found)
+                goto exit;
 
-	if (memcmp(cis_buffer, cis_signature, sizeof(cis_signature)) != 0 &&
-		(memcmp(cis_buffer + SM_SMALL_PAGE, cis_signature,
-			sizeof(cis_signature)) != 0))
-		goto exit;
+        if (memcmp(cis_buffer, cis_signature, sizeof(cis_signature)) != 0 &&
+                (memcmp(cis_buffer + SM_SMALL_PAGE, cis_signature,
+                        sizeof(cis_signature)) != 0))
+                goto exit;
 
-	printf("MTD_FTL=smartmedia\n");
-	free(cis_buffer);
-	exit(0);
+        printf("MTD_FTL=smartmedia\n");
+        free(cis_buffer);
+        exit(0);
 exit:
-	free(cis_buffer);
-	return;
+        free(cis_buffer);
+        return;
 }
diff --git a/src/extras/rule_generator/rule_generator.functions b/src/extras/rule_generator/rule_generator.functions
index 0f1b7385..2eec1b6a 100644
--- a/src/extras/rule_generator/rule_generator.functions
+++ b/src/extras/rule_generator/rule_generator.functions
@@ -20,94 +20,94 @@ PATH='/usr/bin:/bin:/usr/sbin:/sbin'
 # Read a single line from file $1 in the $DEVPATH directory.
 # The function must not return an error even if the file does not exist.
 sysread() {
-	local file="$1"
-	[ -e "/sys$DEVPATH/$file" ] || return 0
-	local value
-	read value < "/sys$DEVPATH/$file" || return 0
-	echo "$value"
+        local file="$1"
+        [ -e "/sys$DEVPATH/$file" ] || return 0
+        local value
+        read value < "/sys$DEVPATH/$file" || return 0
+        echo "$value"
 }
 
 sysreadlink() {
-	local file="$1"
-	[ -e "/sys$DEVPATH/$file" ] || return 0
-	readlink -f /sys$DEVPATH/$file 2> /dev/null || true
+        local file="$1"
+        [ -e "/sys$DEVPATH/$file" ] || return 0
+        readlink -f /sys$DEVPATH/$file 2> /dev/null || true
 }
 
 # Return true if a directory is writeable.
 writeable() {
-	if ln -s test-link $1/.is-writeable 2> /dev/null; then
-		rm -f $1/.is-writeable
-		return 0
-	else
-		return 1
-	fi
+        if ln -s test-link $1/.is-writeable 2> /dev/null; then
+                rm -f $1/.is-writeable
+                return 0
+        else
+                return 1
+        fi
 }
 
 # Create a lock file for the current rules file.
 lock_rules_file() {
-	RUNDIR=$(udevadm info --run)
-	[ -e "$RUNDIR" ] || return 0
-
-	RULES_LOCK="$RUNDIR/.lock-${RULES_FILE##*/}"
-
-	retry=30
-	while ! mkdir $RULES_LOCK 2> /dev/null; do
-		if [ $retry -eq 0 ]; then
-			 echo "Cannot lock $RULES_FILE!" >&2
-			 exit 2
-		fi
-		sleep 1
-		retry=$(($retry - 1))
-	done
+        RUNDIR=$(udevadm info --run)
+        [ -e "$RUNDIR" ] || return 0
+
+        RULES_LOCK="$RUNDIR/.lock-${RULES_FILE##*/}"
+
+        retry=30
+        while ! mkdir $RULES_LOCK 2> /dev/null; do
+                if [ $retry -eq 0 ]; then
+                         echo "Cannot lock $RULES_FILE!" >&2
+                         exit 2
+                fi
+                sleep 1
+                retry=$(($retry - 1))
+        done
 }
 
 unlock_rules_file() {
-	[ "$RULES_LOCK" ] || return 0
-	rmdir $RULES_LOCK || true
+        [ "$RULES_LOCK" ] || return 0
+        rmdir $RULES_LOCK || true
 }
 
 # Choose the real rules file if it is writeable or a temporary file if not.
 # Both files should be checked later when looking for existing rules.
 choose_rules_file() {
-	RUNDIR=$(udevadm info --run)
-	local tmp_rules_file="$RUNDIR/tmp-rules--${RULES_FILE##*/}"
-	[ -e "$RULES_FILE" -o -e "$tmp_rules_file" ] || PRINT_HEADER=1
-
-	if writeable ${RULES_FILE%/*}; then
-		RO_RULES_FILE='/dev/null'
-	else
-		RO_RULES_FILE=$RULES_FILE
-		RULES_FILE=$tmp_rules_file
-	fi
+        RUNDIR=$(udevadm info --run)
+        local tmp_rules_file="$RUNDIR/tmp-rules--${RULES_FILE##*/}"
+        [ -e "$RULES_FILE" -o -e "$tmp_rules_file" ] || PRINT_HEADER=1
+
+        if writeable ${RULES_FILE%/*}; then
+                RO_RULES_FILE='/dev/null'
+        else
+                RO_RULES_FILE=$RULES_FILE
+                RULES_FILE=$tmp_rules_file
+        fi
 }
 
 # Return the name of the first free device.
 raw_find_next_available() {
-	local links="$1"
-
-	local basename=${links%%[ 0-9]*}
-	local max=-1
-	for name in $links; do
-		local num=${name#$basename}
-		[ "$num" ] || num=0
-		[ $num -gt $max ] && max=$num
-	done
-
-	local max=$(($max + 1))
-	# "name0" actually is just "name"
-	[ $max -eq 0 ] && return
-	echo "$max"
+        local links="$1"
+
+        local basename=${links%%[ 0-9]*}
+        local max=-1
+        for name in $links; do
+                local num=${name#$basename}
+                [ "$num" ] || num=0
+                [ $num -gt $max ] && max=$num
+        done
+
+        local max=$(($max + 1))
+        # "name0" actually is just "name"
+        [ $max -eq 0 ] && return
+        echo "$max"
 }
 
 # Find all rules matching a key (with action) and a pattern.
 find_all_rules() {
-	local key="$1"
-	local linkre="$2"
-	local match="$3"
-
-	local search='.*[[:space:],]'"$key"'"('"$linkre"')".*'
-	echo $(sed -n -r -e 's/^#.*//' -e "${match}s/${search}/\1/p" \
-		$RO_RULES_FILE \
-		$([ -e $RULES_FILE ] && echo $RULES_FILE) \
-		2>/dev/null)
+        local key="$1"
+        local linkre="$2"
+        local match="$3"
+
+        local search='.*[[:space:],]'"$key"'"('"$linkre"')".*'
+        echo $(sed -n -r -e 's/^#.*//' -e "${match}s/${search}/\1/p" \
+                $RO_RULES_FILE \
+                $([ -e $RULES_FILE ] && echo $RULES_FILE) \
+                2>/dev/null)
 }
diff --git a/src/extras/rule_generator/write_cd_rules b/src/extras/rule_generator/write_cd_rules
index 3f93c744..645b9cd5 100644
--- a/src/extras/rule_generator/write_cd_rules
+++ b/src/extras/rule_generator/write_cd_rules
@@ -22,9 +22,9 @@
 
 # debug, if UDEV_LOG=<debug>
 if [ -n "$UDEV_LOG" ]; then
-	if [ "$UDEV_LOG" -ge 7 ]; then
-		set -x
-	fi
+        if [ "$UDEV_LOG" -ge 7 ]; then
+                set -x
+        fi
 fi
 
 RULES_FILE="/etc/udev/rules.d/70-persistent-cd.rules"
@@ -32,70 +32,70 @@ RULES_FILE="/etc/udev/rules.d/70-persistent-cd.rules"
 . /lib/udev/rule_generator.functions
 
 find_next_available() {
-	raw_find_next_available "$(find_all_rules 'SYMLINK\+=' "$1")"
+        raw_find_next_available "$(find_all_rules 'SYMLINK\+=' "$1")"
 }
 
 write_rule() {
-	local match="$1"
-	local link="$2"
-	local comment="$3"
-
-	{
-	if [ "$PRINT_HEADER" ]; then
-		PRINT_HEADER=
-		echo "# This file was automatically generated by the $0"
-		echo "# program, run by the cd-aliases-generator.rules rules file."
-		echo "#"
-		echo "# You can modify it, as long as you keep each rule on a single"
-		echo "# line, and set the \$GENERATED variable."
-		echo ""
-	fi
-
-	[ "$comment" ] && echo "# $comment"
-	echo "$match, SYMLINK+=\"$link\", ENV{GENERATED}=\"1\""
-	} >> $RULES_FILE
-	SYMLINKS="$SYMLINKS $link"
+        local match="$1"
+        local link="$2"
+        local comment="$3"
+
+        {
+        if [ "$PRINT_HEADER" ]; then
+                PRINT_HEADER=
+                echo "# This file was automatically generated by the $0"
+                echo "# program, run by the cd-aliases-generator.rules rules file."
+                echo "#"
+                echo "# You can modify it, as long as you keep each rule on a single"
+                echo "# line, and set the \$GENERATED variable."
+                echo ""
+        fi
+
+        [ "$comment" ] && echo "# $comment"
+        echo "$match, SYMLINK+=\"$link\", ENV{GENERATED}=\"1\""
+        } >> $RULES_FILE
+        SYMLINKS="$SYMLINKS $link"
 }
 
 if [ -z "$DEVPATH" ]; then
-	echo "Missing \$DEVPATH." >&2
-	exit 1
+        echo "Missing \$DEVPATH." >&2
+        exit 1
 fi
 if [ -z "$ID_CDROM" ]; then
-	echo "$DEVPATH is not a CD reader." >&2
-	exit 1
+        echo "$DEVPATH is not a CD reader." >&2
+        exit 1
 fi
 
 if [ "$1" ]; then
-	METHOD="$1"
+        METHOD="$1"
 else
-	METHOD='by-path'
+        METHOD='by-path'
 fi
 
 case "$METHOD" in
-	by-path)
-	if [ -z "$ID_PATH" ]; then
-		echo "$DEVPATH not supported by path_id. by-id may work." >&2
-		exit 1
-	fi
-	RULE="ENV{ID_PATH}==\"$ID_PATH\""
-	;;
-
-	by-id)
-	if [ "$ID_SERIAL" ]; then
-		RULE="ENV{ID_SERIAL}==\"$ID_SERIAL\""
-	elif [ "$ID_MODEL" -a "$ID_REVISION" ]; then
-		RULE="ENV{ID_MODEL}==\"$ID_MODEL\", ENV{ID_REVISION}==\"$ID_REVISION\""
-	else
-		echo "$DEVPATH not supported by ata_id. by-path may work." >&2
-		exit 1
-	fi
-	;;
-
-	*)
-	echo "Invalid argument (must be either by-path or by-id)." >&2
-	exit 1
-	;;
+        by-path)
+        if [ -z "$ID_PATH" ]; then
+                echo "$DEVPATH not supported by path_id. by-id may work." >&2
+                exit 1
+        fi
+        RULE="ENV{ID_PATH}==\"$ID_PATH\""
+        ;;
+
+        by-id)
+        if [ "$ID_SERIAL" ]; then
+                RULE="ENV{ID_SERIAL}==\"$ID_SERIAL\""
+        elif [ "$ID_MODEL" -a "$ID_REVISION" ]; then
+                RULE="ENV{ID_MODEL}==\"$ID_MODEL\", ENV{ID_REVISION}==\"$ID_REVISION\""
+        else
+                echo "$DEVPATH not supported by ata_id. by-path may work." >&2
+                exit 1
+        fi
+        ;;
+
+        *)
+        echo "Invalid argument (must be either by-path or by-id)." >&2
+        exit 1
+        ;;
 esac
 
 # Prevent concurrent processes from modifying the file at the same time.
@@ -110,13 +110,13 @@ match="SUBSYSTEM==\"block\", ENV{ID_CDROM}==\"?*\", $RULE"
 
 comment="$ID_MODEL ($ID_PATH)"
 
-	write_rule "$match" "cdrom$link_num" "$comment"
+        write_rule "$match" "cdrom$link_num" "$comment"
 [ "$ID_CDROM_CD_R" -o "$ID_CDROM_CD_RW" ] && \
-	write_rule "$match" "cdrw$link_num"
+        write_rule "$match" "cdrw$link_num"
 [ "$ID_CDROM_DVD" ] && \
-	write_rule "$match" "dvd$link_num"
+        write_rule "$match" "dvd$link_num"
 [ "$ID_CDROM_DVD_R" -o "$ID_CDROM_DVD_RW" -o "$ID_CDROM_DVD_RAM" ] && \
-	write_rule "$match" "dvdrw$link_num"
+        write_rule "$match" "dvdrw$link_num"
 echo >> $RULES_FILE
 
 unlock_rules_file
diff --git a/src/extras/rule_generator/write_net_rules b/src/extras/rule_generator/write_net_rules
index 43797924..bcea4b09 100644
--- a/src/extras/rule_generator/write_net_rules
+++ b/src/extras/rule_generator/write_net_rules
@@ -33,9 +33,9 @@
 
 # debug, if UDEV_LOG=<debug>
 if [ -n "$UDEV_LOG" ]; then
-	if [ "$UDEV_LOG" -ge 7 ]; then
-		set -x
-	fi
+        if [ "$UDEV_LOG" -ge 7 ]; then
+                set -x
+        fi
 fi
 
 RULES_FILE='/etc/udev/rules.d/70-persistent-net.rules'
@@ -43,42 +43,42 @@ RULES_FILE='/etc/udev/rules.d/70-persistent-net.rules'
 . /lib/udev/rule_generator.functions
 
 interface_name_taken() {
-	local value="$(find_all_rules 'NAME=' $INTERFACE)"
-	if [ "$value" ]; then
-		return 0
-	else
-		return 1
-	fi
+        local value="$(find_all_rules 'NAME=' $INTERFACE)"
+        if [ "$value" ]; then
+                return 0
+        else
+                return 1
+        fi
 }
 
 find_next_available() {
-	raw_find_next_available "$(find_all_rules 'NAME=' "$1")"
+        raw_find_next_available "$(find_all_rules 'NAME=' "$1")"
 }
 
 write_rule() {
-	local match="$1"
-	local name="$2"
-	local comment="$3"
-
-	{
-	if [ "$PRINT_HEADER" ]; then
-		PRINT_HEADER=
-		echo "# This file was automatically generated by the $0"
-		echo "# program, run by the persistent-net-generator.rules rules file."
-		echo "#"
-		echo "# You can modify it, as long as you keep each rule on a single"
-		echo "# line, and change only the value of the NAME= key."
-	fi
-
-	echo ""
-	[ "$comment" ] && echo "# $comment"
-	echo "SUBSYSTEM==\"net\", ACTION==\"add\"$match, NAME=\"$name\""
-	} >> $RULES_FILE
+        local match="$1"
+        local name="$2"
+        local comment="$3"
+
+        {
+        if [ "$PRINT_HEADER" ]; then
+                PRINT_HEADER=
+                echo "# This file was automatically generated by the $0"
+                echo "# program, run by the persistent-net-generator.rules rules file."
+                echo "#"
+                echo "# You can modify it, as long as you keep each rule on a single"
+                echo "# line, and change only the value of the NAME= key."
+        fi
+
+        echo ""
+        [ "$comment" ] && echo "# $comment"
+        echo "SUBSYSTEM==\"net\", ACTION==\"add\"$match, NAME=\"$name\""
+        } >> $RULES_FILE
 }
 
 if [ -z "$INTERFACE" ]; then
-	echo "missing \$INTERFACE" >&2
-	exit 1
+        echo "missing \$INTERFACE" >&2
+        exit 1
 fi
 
 # Prevent concurrent processes from modifying the file at the same time.
@@ -89,49 +89,49 @@ choose_rules_file
 
 # the DRIVERS key is needed to not match bridges and VLAN sub-interfaces
 if [ "$MATCHADDR" ]; then
-	match="$match, DRIVERS==\"?*\", ATTR{address}==\"$MATCHADDR\""
+        match="$match, DRIVERS==\"?*\", ATTR{address}==\"$MATCHADDR\""
 fi
 
 if [ "$MATCHDRV" ]; then
-	match="$match, DRIVERS==\"$MATCHDRV\""
+        match="$match, DRIVERS==\"$MATCHDRV\""
 fi
 
 if [ "$MATCHDEVID" ]; then
-	match="$match, ATTR{dev_id}==\"$MATCHDEVID\""
+        match="$match, ATTR{dev_id}==\"$MATCHDEVID\""
 fi
 
 if [ "$MATCHID" ]; then
-	match="$match, KERNELS==\"$MATCHID\""
+        match="$match, KERNELS==\"$MATCHID\""
 fi
 
 if [ "$MATCHIFTYPE" ]; then
-	match="$match, ATTR{type}==\"$MATCHIFTYPE\""
+        match="$match, ATTR{type}==\"$MATCHIFTYPE\""
 fi
 
 if [ -z "$match" ]; then
-	echo "missing valid match" >&2
-	unlock_rules_file
-	exit 1
+        echo "missing valid match" >&2
+        unlock_rules_file
+        exit 1
 fi
 
 basename=${INTERFACE%%[0-9]*}
 match="$match, KERNEL==\"$basename*\""
 
 if [ "$INTERFACE_NAME" ]; then
-	# external tools may request a custom name
-	COMMENT="$COMMENT (custom name provided by external tool)"
-	if [ "$INTERFACE_NAME" != "$INTERFACE" ]; then
-		INTERFACE=$INTERFACE_NAME;
-		echo "INTERFACE_NEW=$INTERFACE"
-	fi
+        # external tools may request a custom name
+        COMMENT="$COMMENT (custom name provided by external tool)"
+        if [ "$INTERFACE_NAME" != "$INTERFACE" ]; then
+                INTERFACE=$INTERFACE_NAME;
+                echo "INTERFACE_NEW=$INTERFACE"
+        fi
 else
-	# if a rule using the current name already exists, find a new name
-	if interface_name_taken; then
-		INTERFACE="$basename$(find_next_available "$basename[0-9]*")"
-		# prevent INTERFACE from being "eth" instead of "eth0"
-		[ "$INTERFACE" = "${INTERFACE%%[ \[\]0-9]*}" ] && INTERFACE=${INTERFACE}0
-		echo "INTERFACE_NEW=$INTERFACE"
-	fi
+        # if a rule using the current name already exists, find a new name
+        if interface_name_taken; then
+                INTERFACE="$basename$(find_next_available "$basename[0-9]*")"
+                # prevent INTERFACE from being "eth" instead of "eth0"
+                [ "$INTERFACE" = "${INTERFACE%%[ \[\]0-9]*}" ] && INTERFACE=${INTERFACE}0
+                echo "INTERFACE_NEW=$INTERFACE"
+        fi
 fi
 
 write_rule "$match" "$INTERFACE" "$COMMENT"
diff --git a/src/extras/scsi_id/scsi.h b/src/extras/scsi_id/scsi.h
index 8e9ce406..c423cac5 100644
--- a/src/extras/scsi_id/scsi.h
+++ b/src/extras/scsi_id/scsi.h
@@ -5,39 +5,39 @@
  *
  * Copyright (C) IBM Corp. 2003
  *
- *	This program is free software; you can redistribute it and/or modify it
- *	under the terms of the GNU General Public License as published by the
- *	Free Software Foundation version 2 of the License.
+ *        This program is free software; you can redistribute it and/or modify it
+ *        under the terms of the GNU General Public License as published by the
+ *        Free Software Foundation version 2 of the License.
  */
 
 #include <scsi/scsi.h>
 
 struct scsi_ioctl_command {
-	unsigned int inlen;	/* excluding scsi command length */
-	unsigned int outlen;
-	unsigned char data[1];
-	/* on input, scsi command starts here then opt. data */
+        unsigned int inlen;        /* excluding scsi command length */
+        unsigned int outlen;
+        unsigned char data[1];
+        /* on input, scsi command starts here then opt. data */
 };
 
 /*
  * Default 5 second timeout
  */
-#define DEF_TIMEOUT	5000
+#define DEF_TIMEOUT        5000
 
-#define SENSE_BUFF_LEN	32
+#define SENSE_BUFF_LEN        32
 
 /*
  * The request buffer size passed to the SCSI INQUIRY commands, use 254,
  * as this is a nice value for some devices, especially some of the usb
  * mass storage devices.
  */
-#define	SCSI_INQ_BUFF_LEN	254
+#define        SCSI_INQ_BUFF_LEN        254
 
 /*
  * SCSI INQUIRY vendor and model (really product) lengths.
  */
-#define VENDOR_LENGTH	8
-#define	MODEL_LENGTH	16
+#define VENDOR_LENGTH        8
+#define        MODEL_LENGTH        16
 
 #define INQUIRY_CMD     0x12
 #define INQUIRY_CMDLEN  6
@@ -50,34 +50,34 @@ struct scsi_ioctl_command {
 /*
  * id type values of id descriptors. These are assumed to fit in 4 bits.
  */
-#define SCSI_ID_VENDOR_SPECIFIC	0
-#define SCSI_ID_T10_VENDOR	1
-#define SCSI_ID_EUI_64		2
-#define SCSI_ID_NAA		3
-#define SCSI_ID_RELPORT		4
-#define SCSI_ID_TGTGROUP	5
-#define SCSI_ID_LUNGROUP	6
-#define SCSI_ID_MD5		7
-#define SCSI_ID_NAME		8
+#define SCSI_ID_VENDOR_SPECIFIC        0
+#define SCSI_ID_T10_VENDOR        1
+#define SCSI_ID_EUI_64                2
+#define SCSI_ID_NAA                3
+#define SCSI_ID_RELPORT                4
+#define SCSI_ID_TGTGROUP        5
+#define SCSI_ID_LUNGROUP        6
+#define SCSI_ID_MD5                7
+#define SCSI_ID_NAME                8
 
 /*
  * Supported NAA values. These fit in 4 bits, so the "don't care" value
  * cannot conflict with real values.
  */
-#define	SCSI_ID_NAA_DONT_CARE		0xff
-#define	SCSI_ID_NAA_IEEE_REG		5
-#define	SCSI_ID_NAA_IEEE_REG_EXTENDED	6
+#define        SCSI_ID_NAA_DONT_CARE                0xff
+#define        SCSI_ID_NAA_IEEE_REG                5
+#define        SCSI_ID_NAA_IEEE_REG_EXTENDED        6
 
 /*
  * Supported Code Set values.
  */
-#define	SCSI_ID_BINARY	1
-#define	SCSI_ID_ASCII	2
+#define        SCSI_ID_BINARY        1
+#define        SCSI_ID_ASCII        2
 
 struct scsi_id_search_values {
-	u_char	id_type;
-	u_char	naa_type;
-	u_char	code_set;
+        u_char        id_type;
+        u_char        naa_type;
+        u_char        code_set;
 };
 
 /*
diff --git a/src/extras/scsi_id/scsi_id.c b/src/extras/scsi_id/scsi_id.c
index da81d083..9bb0d7f5 100644
--- a/src/extras/scsi_id/scsi_id.c
+++ b/src/extras/scsi_id/scsi_id.c
@@ -34,18 +34,18 @@
 #include "scsi_id.h"
 
 static const struct option options[] = {
-	{ "device", required_argument, NULL, 'd' },
-	{ "config", required_argument, NULL, 'f' },
-	{ "page", required_argument, NULL, 'p' },
-	{ "blacklisted", no_argument, NULL, 'b' },
-	{ "whitelisted", no_argument, NULL, 'g' },
-	{ "replace-whitespace", no_argument, NULL, 'u' },
-	{ "sg-version", required_argument, NULL, 's' },
-	{ "verbose", no_argument, NULL, 'v' },
-	{ "version", no_argument, NULL, 'V' },
-	{ "export", no_argument, NULL, 'x' },
-	{ "help", no_argument, NULL, 'h' },
-	{}
+        { "device", required_argument, NULL, 'd' },
+        { "config", required_argument, NULL, 'f' },
+        { "page", required_argument, NULL, 'p' },
+        { "blacklisted", no_argument, NULL, 'b' },
+        { "whitelisted", no_argument, NULL, 'g' },
+        { "replace-whitespace", no_argument, NULL, 'u' },
+        { "sg-version", required_argument, NULL, 's' },
+        { "verbose", no_argument, NULL, 'v' },
+        { "version", no_argument, NULL, 'V' },
+        { "export", no_argument, NULL, 'x' },
+        { "help", no_argument, NULL, 'h' },
+        {}
 };
 
 static const char short_options[] = "d:f:ghip:uvVx";
@@ -68,47 +68,47 @@ static char revision_str[16];
 static char type_str[16];
 
 static void log_fn(struct udev *udev, int priority,
-		   const char *file, int line, const char *fn,
-		   const char *format, va_list args)
+                   const char *file, int line, const char *fn,
+                   const char *format, va_list args)
 {
-	vsyslog(priority, format, args);
+        vsyslog(priority, format, args);
 }
 
 static void set_type(const char *from, char *to, size_t len)
 {
-	int type_num;
-	char *eptr;
-	char *type = "generic";
-
-	type_num = strtoul(from, &eptr, 0);
-	if (eptr != from) {
-		switch (type_num) {
-		case 0:
-			type = "disk";
-			break;
-		case 1:
-			type = "tape";
-			break;
-		case 4:
-			type = "optical";
-			break;
-		case 5:
-			type = "cd";
-			break;
-		case 7:
-			type = "optical";
-			break;
-		case 0xe:
-			type = "disk";
-			break;
-		case 0xf:
-			type = "optical";
-			break;
-		default:
-			break;
-		}
-	}
-	util_strscpy(to, len, type);
+        int type_num;
+        char *eptr;
+        char *type = "generic";
+
+        type_num = strtoul(from, &eptr, 0);
+        if (eptr != from) {
+                switch (type_num) {
+                case 0:
+                        type = "disk";
+                        break;
+                case 1:
+                        type = "tape";
+                        break;
+                case 4:
+                        type = "optical";
+                        break;
+                case 5:
+                        type = "cd";
+                        break;
+                case 7:
+                        type = "optical";
+                        break;
+                case 0xe:
+                        type = "disk";
+                        break;
+                case 0xf:
+                        type = "optical";
+                        break;
+                default:
+                        break;
+                }
+        }
+        util_strscpy(to, len, type);
 }
 
 /*
@@ -122,40 +122,40 @@ static void set_type(const char *from, char *to, size_t len)
  */
 static char *get_value(char **buffer)
 {
-	static char *quote_string = "\"\n";
-	static char *comma_string = ",\n";
-	char *val;
-	char *end;
-
-	if (**buffer == '"') {
-		/*
-		 * skip leading quote, terminate when quote seen
-		 */
-		(*buffer)++;
-		end = quote_string;
-	} else {
-		end = comma_string;
-	}
-	val = strsep(buffer, end);
-	if (val && end == quote_string)
-		/*
-		 * skip trailing quote
-		 */
-		(*buffer)++;
-
-	while (isspace(**buffer))
-		(*buffer)++;
-
-	return val;
+        static char *quote_string = "\"\n";
+        static char *comma_string = ",\n";
+        char *val;
+        char *end;
+
+        if (**buffer == '"') {
+                /*
+                 * skip leading quote, terminate when quote seen
+                 */
+                (*buffer)++;
+                end = quote_string;
+        } else {
+                end = comma_string;
+        }
+        val = strsep(buffer, end);
+        if (val && end == quote_string)
+                /*
+                 * skip trailing quote
+                 */
+                (*buffer)++;
+
+        while (isspace(**buffer))
+                (*buffer)++;
+
+        return val;
 }
 
 static int argc_count(char *opts)
 {
-	int i = 0;
-	while (*opts != '\0')
-		if (*opts++ == ' ')
-			i++;
-	return i;
+        int i = 0;
+        while (*opts != '\0')
+                if (*opts++ == ' ')
+                        i++;
+        return i;
 }
 
 /*
@@ -168,356 +168,356 @@ static int argc_count(char *opts)
  * vendor and model can end in '\n'.
  */
 static int get_file_options(struct udev *udev,
-			    const char *vendor, const char *model,
-			    int *argc, char ***newargv)
+                            const char *vendor, const char *model,
+                            int *argc, char ***newargv)
 {
-	char *buffer;
-	FILE *fd;
-	char *buf;
-	char *str1;
-	char *vendor_in, *model_in, *options_in; /* read in from file */
-	int lineno;
-	int c;
-	int retval = 0;
-
-	dbg(udev, "vendor='%s'; model='%s'\n", vendor, model);
-	fd = fopen(config_file, "r");
-	if (fd == NULL) {
-		dbg(udev, "can't open %s\n", config_file);
-		if (errno == ENOENT) {
-			return 1;
-		} else {
-			err(udev, "can't open %s: %s\n", config_file, strerror(errno));
-			return -1;
-		}
-	}
-
-	/*
-	 * Allocate a buffer rather than put it on the stack so we can
-	 * keep it around to parse any options (any allocated newargv
-	 * points into this buffer for its strings).
-	 */
-	buffer = malloc(MAX_BUFFER_LEN);
-	if (!buffer) {
-		fclose(fd);
-		err(udev, "can't allocate memory\n");
-		return -1;
-	}
-
-	*newargv = NULL;
-	lineno = 0;
-	while (1) {
-		vendor_in = model_in = options_in = NULL;
-
-		buf = fgets(buffer, MAX_BUFFER_LEN, fd);
-		if (buf == NULL)
-			break;
-		lineno++;
-		if (buf[strlen(buffer) - 1] != '\n') {
-			err(udev, "Config file line %d too long\n", lineno);
-			break;
-		}
-
-		while (isspace(*buf))
-			buf++;
-
-		/* blank or all whitespace line */
-		if (*buf == '\0')
-			continue;
-
-		/* comment line */
-		if (*buf == '#')
-			continue;
-
-		dbg(udev, "lineno %d: '%s'\n", lineno, buf);
-		str1 = strsep(&buf, "=");
-		if (str1 && strcasecmp(str1, "VENDOR") == 0) {
-			str1 = get_value(&buf);
-			if (!str1) {
-				retval = -1;
-				break;
-			}
-			vendor_in = str1;
-
-			str1 = strsep(&buf, "=");
-			if (str1 && strcasecmp(str1, "MODEL") == 0) {
-				str1 = get_value(&buf);
-				if (!str1) {
-					retval = -1;
-					break;
-				}
-				model_in = str1;
-				str1 = strsep(&buf, "=");
-			}
-		}
-
-		if (str1 && strcasecmp(str1, "OPTIONS") == 0) {
-			str1 = get_value(&buf);
-			if (!str1) {
-				retval = -1;
-				break;
-			}
-			options_in = str1;
-		}
-		dbg(udev, "config file line %d:\n"
-			" vendor '%s'; model '%s'; options '%s'\n",
-			lineno, vendor_in, model_in, options_in);
-		/*
-		 * Only allow: [vendor=foo[,model=bar]]options=stuff
-		 */
-		if (!options_in || (!vendor_in && model_in)) {
-			err(udev, "Error parsing config file line %d '%s'\n", lineno, buffer);
-			retval = -1;
-			break;
-		}
-		if (vendor == NULL) {
-			if (vendor_in == NULL) {
-				dbg(udev, "matched global option\n");
-				break;
-			}
-		} else if ((vendor_in && strncmp(vendor, vendor_in,
-						 strlen(vendor_in)) == 0) &&
-			   (!model_in || (strncmp(model, model_in,
-						  strlen(model_in)) == 0))) {
-				/*
-				 * Matched vendor and optionally model.
-				 *
-				 * Note: a short vendor_in or model_in can
-				 * give a partial match (that is FOO
-				 * matches FOOBAR).
-				 */
-				dbg(udev, "matched vendor/model\n");
-				break;
-		} else {
-			dbg(udev, "no match\n");
-		}
-	}
-
-	if (retval == 0) {
-		if (vendor_in != NULL || model_in != NULL ||
-		    options_in != NULL) {
-			/*
-			 * Something matched. Allocate newargv, and store
-			 * values found in options_in.
-			 */
-			strcpy(buffer, options_in);
-			c = argc_count(buffer) + 2;
-			*newargv = calloc(c, sizeof(**newargv));
-			if (!*newargv) {
-				err(udev, "can't allocate memory\n");
-				retval = -1;
-			} else {
-				*argc = c;
-				c = 0;
-				/*
-				 * argv[0] at 0 is skipped by getopt, but
-				 * store the buffer address there for
-				 * later freeing
-				 */
-				(*newargv)[c] = buffer;
-				for (c = 1; c < *argc; c++)
-					(*newargv)[c] = strsep(&buffer, " \t");
-			}
-		} else {
-			/* No matches  */
-			retval = 1;
-		}
-	}
-	if (retval != 0)
-		free(buffer);
-	fclose(fd);
-	return retval;
+        char *buffer;
+        FILE *fd;
+        char *buf;
+        char *str1;
+        char *vendor_in, *model_in, *options_in; /* read in from file */
+        int lineno;
+        int c;
+        int retval = 0;
+
+        dbg(udev, "vendor='%s'; model='%s'\n", vendor, model);
+        fd = fopen(config_file, "r");
+        if (fd == NULL) {
+                dbg(udev, "can't open %s\n", config_file);
+                if (errno == ENOENT) {
+                        return 1;
+                } else {
+                        err(udev, "can't open %s: %s\n", config_file, strerror(errno));
+                        return -1;
+                }
+        }
+
+        /*
+         * Allocate a buffer rather than put it on the stack so we can
+         * keep it around to parse any options (any allocated newargv
+         * points into this buffer for its strings).
+         */
+        buffer = malloc(MAX_BUFFER_LEN);
+        if (!buffer) {
+                fclose(fd);
+                err(udev, "can't allocate memory\n");
+                return -1;
+        }
+
+        *newargv = NULL;
+        lineno = 0;
+        while (1) {
+                vendor_in = model_in = options_in = NULL;
+
+                buf = fgets(buffer, MAX_BUFFER_LEN, fd);
+                if (buf == NULL)
+                        break;
+                lineno++;
+                if (buf[strlen(buffer) - 1] != '\n') {
+                        err(udev, "Config file line %d too long\n", lineno);
+                        break;
+                }
+
+                while (isspace(*buf))
+                        buf++;
+
+                /* blank or all whitespace line */
+                if (*buf == '\0')
+                        continue;
+
+                /* comment line */
+                if (*buf == '#')
+                        continue;
+
+                dbg(udev, "lineno %d: '%s'\n", lineno, buf);
+                str1 = strsep(&buf, "=");
+                if (str1 && strcasecmp(str1, "VENDOR") == 0) {
+                        str1 = get_value(&buf);
+                        if (!str1) {
+                                retval = -1;
+                                break;
+                        }
+                        vendor_in = str1;
+
+                        str1 = strsep(&buf, "=");
+                        if (str1 && strcasecmp(str1, "MODEL") == 0) {
+                                str1 = get_value(&buf);
+                                if (!str1) {
+                                        retval = -1;
+                                        break;
+                                }
+                                model_in = str1;
+                                str1 = strsep(&buf, "=");
+                        }
+                }
+
+                if (str1 && strcasecmp(str1, "OPTIONS") == 0) {
+                        str1 = get_value(&buf);
+                        if (!str1) {
+                                retval = -1;
+                                break;
+                        }
+                        options_in = str1;
+                }
+                dbg(udev, "config file line %d:\n"
+                        " vendor '%s'; model '%s'; options '%s'\n",
+                        lineno, vendor_in, model_in, options_in);
+                /*
+                 * Only allow: [vendor=foo[,model=bar]]options=stuff
+                 */
+                if (!options_in || (!vendor_in && model_in)) {
+                        err(udev, "Error parsing config file line %d '%s'\n", lineno, buffer);
+                        retval = -1;
+                        break;
+                }
+                if (vendor == NULL) {
+                        if (vendor_in == NULL) {
+                                dbg(udev, "matched global option\n");
+                                break;
+                        }
+                } else if ((vendor_in && strncmp(vendor, vendor_in,
+                                                 strlen(vendor_in)) == 0) &&
+                           (!model_in || (strncmp(model, model_in,
+                                                  strlen(model_in)) == 0))) {
+                                /*
+                                 * Matched vendor and optionally model.
+                                 *
+                                 * Note: a short vendor_in or model_in can
+                                 * give a partial match (that is FOO
+                                 * matches FOOBAR).
+                                 */
+                                dbg(udev, "matched vendor/model\n");
+                                break;
+                } else {
+                        dbg(udev, "no match\n");
+                }
+        }
+
+        if (retval == 0) {
+                if (vendor_in != NULL || model_in != NULL ||
+                    options_in != NULL) {
+                        /*
+                         * Something matched. Allocate newargv, and store
+                         * values found in options_in.
+                         */
+                        strcpy(buffer, options_in);
+                        c = argc_count(buffer) + 2;
+                        *newargv = calloc(c, sizeof(**newargv));
+                        if (!*newargv) {
+                                err(udev, "can't allocate memory\n");
+                                retval = -1;
+                        } else {
+                                *argc = c;
+                                c = 0;
+                                /*
+                                 * argv[0] at 0 is skipped by getopt, but
+                                 * store the buffer address there for
+                                 * later freeing
+                                 */
+                                (*newargv)[c] = buffer;
+                                for (c = 1; c < *argc; c++)
+                                        (*newargv)[c] = strsep(&buffer, " \t");
+                        }
+                } else {
+                        /* No matches  */
+                        retval = 1;
+                }
+        }
+        if (retval != 0)
+                free(buffer);
+        fclose(fd);
+        return retval;
 }
 
 static int set_options(struct udev *udev,
-		       int argc, char **argv, const char *short_opts,
-		       char *maj_min_dev)
+                       int argc, char **argv, const char *short_opts,
+                       char *maj_min_dev)
 {
-	int option;
-
-	/*
-	 * optind is a global extern used by getopt. Since we can call
-	 * set_options twice (once for command line, and once for config
-	 * file) we have to reset this back to 1.
-	 */
-	optind = 1;
-	while (1) {
-		option = getopt_long(argc, argv, short_opts, options, NULL);
-		if (option == -1)
-			break;
-
-		if (optarg)
-			dbg(udev, "option '%c' arg '%s'\n", option, optarg);
-		else
-			dbg(udev, "option '%c'\n", option);
-
-		switch (option) {
-		case 'b':
-			all_good = 0;
-			break;
-
-		case 'd':
-			dev_specified = 1;
-			util_strscpy(maj_min_dev, MAX_PATH_LEN, optarg);
-			break;
-
-		case 'e':
-			use_stderr = 1;
-			break;
-
-		case 'f':
-			util_strscpy(config_file, MAX_PATH_LEN, optarg);
-			break;
-
-		case 'g':
-			all_good = 1;
-			break;
-
-		case 'h':
-			printf("Usage: scsi_id OPTIONS <device>\n"
-			       "  --device=                     device node for SG_IO commands\n"
-			       "  --config=                     location of config file\n"
-			       "  --page=0x80|0x83|pre-spc3-83  SCSI page (0x80, 0x83, pre-spc3-83)\n"
-			       "  --sg-version=3|4              use SGv3 or SGv4\n"
-			       "  --blacklisted                 threat device as blacklisted\n"
-			       "  --whitelisted                 threat device as whitelisted\n"
-			       "  --replace-whitespace          replace all whitespaces by underscores\n"
-			       "  --verbose                     verbose logging\n"
-			       "  --version                     print version\n"
-			       "  --export                      print values as environment keys\n"
-			       "  --help                        print this help text\n\n");
-			exit(0);
-
-		case 'p':
-			if (strcmp(optarg, "0x80") == 0) {
-				default_page_code = PAGE_80;
-			} else if (strcmp(optarg, "0x83") == 0) {
-				default_page_code = PAGE_83;
-			} else if (strcmp(optarg, "pre-spc3-83") == 0) {
-				default_page_code = PAGE_83_PRE_SPC3;
-			} else {
-				err(udev, "Unknown page code '%s'\n", optarg);
-				return -1;
-			}
-			break;
-
-		case 's':
-			sg_version = atoi(optarg);
-			if (sg_version < 3 || sg_version > 4) {
-				err(udev, "Unknown SG version '%s'\n", optarg);
-				return -1;
-			}
-			break;
-
-		case 'u':
-			reformat_serial = 1;
-			break;
-
-		case 'x':
-			export = 1;
-			break;
-
-		case 'v':
-			debug++;
-			break;
-
-		case 'V':
-			printf("%s\n", VERSION);
-			exit(0);
-			break;
-
-		default:
-			exit(1);
-		}
-	}
-	if (optind < argc && !dev_specified) {
-		dev_specified = 1;
-		util_strscpy(maj_min_dev, MAX_PATH_LEN, argv[optind]);
-	}
-	return 0;
+        int option;
+
+        /*
+         * optind is a global extern used by getopt. Since we can call
+         * set_options twice (once for command line, and once for config
+         * file) we have to reset this back to 1.
+         */
+        optind = 1;
+        while (1) {
+                option = getopt_long(argc, argv, short_opts, options, NULL);
+                if (option == -1)
+                        break;
+
+                if (optarg)
+                        dbg(udev, "option '%c' arg '%s'\n", option, optarg);
+                else
+                        dbg(udev, "option '%c'\n", option);
+
+                switch (option) {
+                case 'b':
+                        all_good = 0;
+                        break;
+
+                case 'd':
+                        dev_specified = 1;
+                        util_strscpy(maj_min_dev, MAX_PATH_LEN, optarg);
+                        break;
+
+                case 'e':
+                        use_stderr = 1;
+                        break;
+
+                case 'f':
+                        util_strscpy(config_file, MAX_PATH_LEN, optarg);
+                        break;
+
+                case 'g':
+                        all_good = 1;
+                        break;
+
+                case 'h':
+                        printf("Usage: scsi_id OPTIONS <device>\n"
+                               "  --device=                     device node for SG_IO commands\n"
+                               "  --config=                     location of config file\n"
+                               "  --page=0x80|0x83|pre-spc3-83  SCSI page (0x80, 0x83, pre-spc3-83)\n"
+                               "  --sg-version=3|4              use SGv3 or SGv4\n"
+                               "  --blacklisted                 threat device as blacklisted\n"
+                               "  --whitelisted                 threat device as whitelisted\n"
+                               "  --replace-whitespace          replace all whitespaces by underscores\n"
+                               "  --verbose                     verbose logging\n"
+                               "  --version                     print version\n"
+                               "  --export                      print values as environment keys\n"
+                               "  --help                        print this help text\n\n");
+                        exit(0);
+
+                case 'p':
+                        if (strcmp(optarg, "0x80") == 0) {
+                                default_page_code = PAGE_80;
+                        } else if (strcmp(optarg, "0x83") == 0) {
+                                default_page_code = PAGE_83;
+                        } else if (strcmp(optarg, "pre-spc3-83") == 0) {
+                                default_page_code = PAGE_83_PRE_SPC3;
+                        } else {
+                                err(udev, "Unknown page code '%s'\n", optarg);
+                                return -1;
+                        }
+                        break;
+
+                case 's':
+                        sg_version = atoi(optarg);
+                        if (sg_version < 3 || sg_version > 4) {
+                                err(udev, "Unknown SG version '%s'\n", optarg);
+                                return -1;
+                        }
+                        break;
+
+                case 'u':
+                        reformat_serial = 1;
+                        break;
+
+                case 'x':
+                        export = 1;
+                        break;
+
+                case 'v':
+                        debug++;
+                        break;
+
+                case 'V':
+                        printf("%s\n", VERSION);
+                        exit(0);
+                        break;
+
+                default:
+                        exit(1);
+                }
+        }
+        if (optind < argc && !dev_specified) {
+                dev_specified = 1;
+                util_strscpy(maj_min_dev, MAX_PATH_LEN, argv[optind]);
+        }
+        return 0;
 }
 
 static int per_dev_options(struct udev *udev,
-			   struct scsi_id_device *dev_scsi, int *good_bad, int *page_code)
+                           struct scsi_id_device *dev_scsi, int *good_bad, int *page_code)
 {
-	int retval;
-	int newargc;
-	char **newargv = NULL;
-	int option;
-
-	*good_bad = all_good;
-	*page_code = default_page_code;
-
-	retval = get_file_options(udev, vendor_str, model_str, &newargc, &newargv);
-
-	optind = 1; /* reset this global extern */
-	while (retval == 0) {
-		option = getopt_long(newargc, newargv, dev_short_options, options, NULL);
-		if (option == -1)
-			break;
-
-		if (optarg)
-			dbg(udev, "option '%c' arg '%s'\n", option, optarg);
-		else
-			dbg(udev, "option '%c'\n", option);
-
-		switch (option) {
-		case 'b':
-			*good_bad = 0;
-			break;
-
-		case 'g':
-			*good_bad = 1;
-			break;
-
-		case 'p':
-			if (strcmp(optarg, "0x80") == 0) {
-				*page_code = PAGE_80;
-			} else if (strcmp(optarg, "0x83") == 0) {
-				*page_code = PAGE_83;
-			} else if (strcmp(optarg, "pre-spc3-83") == 0) {
-				*page_code = PAGE_83_PRE_SPC3;
-			} else {
-				err(udev, "Unknown page code '%s'\n", optarg);
-				retval = -1;
-			}
-			break;
-
-		default:
-			err(udev, "Unknown or bad option '%c' (0x%x)\n", option, option);
-			retval = -1;
-			break;
-		}
-	}
-
-	if (newargv) {
-		free(newargv[0]);
-		free(newargv);
-	}
-	return retval;
+        int retval;
+        int newargc;
+        char **newargv = NULL;
+        int option;
+
+        *good_bad = all_good;
+        *page_code = default_page_code;
+
+        retval = get_file_options(udev, vendor_str, model_str, &newargc, &newargv);
+
+        optind = 1; /* reset this global extern */
+        while (retval == 0) {
+                option = getopt_long(newargc, newargv, dev_short_options, options, NULL);
+                if (option == -1)
+                        break;
+
+                if (optarg)
+                        dbg(udev, "option '%c' arg '%s'\n", option, optarg);
+                else
+                        dbg(udev, "option '%c'\n", option);
+
+                switch (option) {
+                case 'b':
+                        *good_bad = 0;
+                        break;
+
+                case 'g':
+                        *good_bad = 1;
+                        break;
+
+                case 'p':
+                        if (strcmp(optarg, "0x80") == 0) {
+                                *page_code = PAGE_80;
+                        } else if (strcmp(optarg, "0x83") == 0) {
+                                *page_code = PAGE_83;
+                        } else if (strcmp(optarg, "pre-spc3-83") == 0) {
+                                *page_code = PAGE_83_PRE_SPC3;
+                        } else {
+                                err(udev, "Unknown page code '%s'\n", optarg);
+                                retval = -1;
+                        }
+                        break;
+
+                default:
+                        err(udev, "Unknown or bad option '%c' (0x%x)\n", option, option);
+                        retval = -1;
+                        break;
+                }
+        }
+
+        if (newargv) {
+                free(newargv[0]);
+                free(newargv);
+        }
+        return retval;
 }
 
 static int set_inq_values(struct udev *udev, struct scsi_id_device *dev_scsi, const char *path)
 {
-	int retval;
+        int retval;
 
-	dev_scsi->use_sg = sg_version;
+        dev_scsi->use_sg = sg_version;
 
-	retval = scsi_std_inquiry(udev, dev_scsi, path);
-	if (retval)
-		return retval;
+        retval = scsi_std_inquiry(udev, dev_scsi, path);
+        if (retval)
+                return retval;
 
-	udev_util_encode_string(dev_scsi->vendor, vendor_enc_str, sizeof(vendor_enc_str));
-	udev_util_encode_string(dev_scsi->model, model_enc_str, sizeof(model_enc_str));
+        udev_util_encode_string(dev_scsi->vendor, vendor_enc_str, sizeof(vendor_enc_str));
+        udev_util_encode_string(dev_scsi->model, model_enc_str, sizeof(model_enc_str));
 
-	util_replace_whitespace(dev_scsi->vendor, vendor_str, sizeof(vendor_str));
-	util_replace_chars(vendor_str, NULL);
-	util_replace_whitespace(dev_scsi->model, model_str, sizeof(model_str));
-	util_replace_chars(model_str, NULL);
-	set_type(dev_scsi->type, type_str, sizeof(type_str));
-	util_replace_whitespace(dev_scsi->revision, revision_str, sizeof(revision_str));
-	util_replace_chars(revision_str, NULL);
-	return 0;
+        util_replace_whitespace(dev_scsi->vendor, vendor_str, sizeof(vendor_str));
+        util_replace_chars(vendor_str, NULL);
+        util_replace_whitespace(dev_scsi->model, model_str, sizeof(model_str));
+        util_replace_chars(model_str, NULL);
+        set_type(dev_scsi->type, type_str, sizeof(type_str));
+        util_replace_whitespace(dev_scsi->revision, revision_str, sizeof(revision_str));
+        util_replace_chars(revision_str, NULL);
+        return 0;
 }
 
 /*
@@ -526,132 +526,132 @@ static int set_inq_values(struct udev *udev, struct scsi_id_device *dev_scsi, co
  */
 static int scsi_id(struct udev *udev, char *maj_min_dev)
 {
-	struct scsi_id_device dev_scsi;
-	int good_dev;
-	int page_code;
-	int retval = 0;
-
-	memset(&dev_scsi, 0x00, sizeof(struct scsi_id_device));
-
-	if (set_inq_values(udev, &dev_scsi, maj_min_dev) < 0) {
-		retval = 1;
-		goto out;
-	}
-
-	/* get per device (vendor + model) options from the config file */
-	per_dev_options(udev, &dev_scsi, &good_dev, &page_code);
-	dbg(udev, "per dev options: good %d; page code 0x%x\n", good_dev, page_code);
-	if (!good_dev) {
-		retval = 1;
-		goto out;
-	}
-
-	/* read serial number from mode pages (no values for optical drives) */
-	scsi_get_serial(udev, &dev_scsi, maj_min_dev, page_code, MAX_SERIAL_LEN);
-
-	if (export) {
-		char serial_str[MAX_SERIAL_LEN];
-
-		printf("ID_SCSI=1\n");
-		printf("ID_VENDOR=%s\n", vendor_str);
-		printf("ID_VENDOR_ENC=%s\n", vendor_enc_str);
-		printf("ID_MODEL=%s\n", model_str);
-		printf("ID_MODEL_ENC=%s\n", model_enc_str);
-		printf("ID_REVISION=%s\n", revision_str);
-		printf("ID_TYPE=%s\n", type_str);
-		if (dev_scsi.serial[0] != '\0') {
-			util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str));
-			util_replace_chars(serial_str, NULL);
-			printf("ID_SERIAL=%s\n", serial_str);
-			util_replace_whitespace(dev_scsi.serial_short, serial_str, sizeof(serial_str));
-			util_replace_chars(serial_str, NULL);
-			printf("ID_SERIAL_SHORT=%s\n", serial_str);
-		}
-		if (dev_scsi.wwn[0] != '\0') {
-			printf("ID_WWN=0x%s\n", dev_scsi.wwn);
-			if (dev_scsi.wwn_vendor_extension[0] != '\0') {
-				printf("ID_WWN_VENDOR_EXTENSION=0x%s\n", dev_scsi.wwn_vendor_extension);
-				printf("ID_WWN_WITH_EXTENSION=0x%s%s\n", dev_scsi.wwn, dev_scsi.wwn_vendor_extension);
-			} else {
-				printf("ID_WWN_WITH_EXTENSION=0x%s\n", dev_scsi.wwn);
-			}
-		}
-		if (dev_scsi.tgpt_group[0] != '\0') {
-			printf("ID_TARGET_PORT=%s\n", dev_scsi.tgpt_group);
-		}
-		if (dev_scsi.unit_serial_number[0] != '\0') {
-			printf("ID_SCSI_SERIAL=%s\n", dev_scsi.unit_serial_number);
-		}
-		goto out;
-	}
-
-	if (dev_scsi.serial[0] == '\0') {
-		retval = 1;
-		goto out;
-	}
-
-	if (reformat_serial) {
-		char serial_str[MAX_SERIAL_LEN];
-
-		util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str));
-		util_replace_chars(serial_str, NULL);
-		printf("%s\n", serial_str);
-		goto out;
-	}
-
-	printf("%s\n", dev_scsi.serial);
+        struct scsi_id_device dev_scsi;
+        int good_dev;
+        int page_code;
+        int retval = 0;
+
+        memset(&dev_scsi, 0x00, sizeof(struct scsi_id_device));
+
+        if (set_inq_values(udev, &dev_scsi, maj_min_dev) < 0) {
+                retval = 1;
+                goto out;
+        }
+
+        /* get per device (vendor + model) options from the config file */
+        per_dev_options(udev, &dev_scsi, &good_dev, &page_code);
+        dbg(udev, "per dev options: good %d; page code 0x%x\n", good_dev, page_code);
+        if (!good_dev) {
+                retval = 1;
+                goto out;
+        }
+
+        /* read serial number from mode pages (no values for optical drives) */
+        scsi_get_serial(udev, &dev_scsi, maj_min_dev, page_code, MAX_SERIAL_LEN);
+
+        if (export) {
+                char serial_str[MAX_SERIAL_LEN];
+
+                printf("ID_SCSI=1\n");
+                printf("ID_VENDOR=%s\n", vendor_str);
+                printf("ID_VENDOR_ENC=%s\n", vendor_enc_str);
+                printf("ID_MODEL=%s\n", model_str);
+                printf("ID_MODEL_ENC=%s\n", model_enc_str);
+                printf("ID_REVISION=%s\n", revision_str);
+                printf("ID_TYPE=%s\n", type_str);
+                if (dev_scsi.serial[0] != '\0') {
+                        util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str));
+                        util_replace_chars(serial_str, NULL);
+                        printf("ID_SERIAL=%s\n", serial_str);
+                        util_replace_whitespace(dev_scsi.serial_short, serial_str, sizeof(serial_str));
+                        util_replace_chars(serial_str, NULL);
+                        printf("ID_SERIAL_SHORT=%s\n", serial_str);
+                }
+                if (dev_scsi.wwn[0] != '\0') {
+                        printf("ID_WWN=0x%s\n", dev_scsi.wwn);
+                        if (dev_scsi.wwn_vendor_extension[0] != '\0') {
+                                printf("ID_WWN_VENDOR_EXTENSION=0x%s\n", dev_scsi.wwn_vendor_extension);
+                                printf("ID_WWN_WITH_EXTENSION=0x%s%s\n", dev_scsi.wwn, dev_scsi.wwn_vendor_extension);
+                        } else {
+                                printf("ID_WWN_WITH_EXTENSION=0x%s\n", dev_scsi.wwn);
+                        }
+                }
+                if (dev_scsi.tgpt_group[0] != '\0') {
+                        printf("ID_TARGET_PORT=%s\n", dev_scsi.tgpt_group);
+                }
+                if (dev_scsi.unit_serial_number[0] != '\0') {
+                        printf("ID_SCSI_SERIAL=%s\n", dev_scsi.unit_serial_number);
+                }
+                goto out;
+        }
+
+        if (dev_scsi.serial[0] == '\0') {
+                retval = 1;
+                goto out;
+        }
+
+        if (reformat_serial) {
+                char serial_str[MAX_SERIAL_LEN];
+
+                util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str));
+                util_replace_chars(serial_str, NULL);
+                printf("%s\n", serial_str);
+                goto out;
+        }
+
+        printf("%s\n", dev_scsi.serial);
 out:
-	return retval;
+        return retval;
 }
 
 int main(int argc, char **argv)
 {
-	struct udev *udev;
-	int retval = 0;
-	char maj_min_dev[MAX_PATH_LEN];
-	int newargc;
-	char **newargv;
-
-	udev = udev_new();
-	if (udev == NULL)
-		goto exit;
-
-	udev_log_init("scsi_id");
-	udev_set_log_fn(udev, log_fn);
-
-	/*
-	 * Get config file options.
-	 */
-	newargv = NULL;
-	retval = get_file_options(udev, NULL, NULL, &newargc, &newargv);
-	if (retval < 0) {
-		retval = 1;
-		goto exit;
-	}
-	if (newargv && (retval == 0)) {
-		if (set_options(udev, newargc, newargv, short_options, maj_min_dev) < 0) {
-			retval = 2;
-			goto exit;
-		}
-		free(newargv);
-	}
-
-	/*
-	 * Get command line options (overriding any config file settings).
-	 */
-	if (set_options(udev, argc, argv, short_options, maj_min_dev) < 0)
-		exit(1);
-
-	if (!dev_specified) {
-		err(udev, "no device specified\n");
-		retval = 1;
-		goto exit;
-	}
-
-	retval = scsi_id(udev, maj_min_dev);
+        struct udev *udev;
+        int retval = 0;
+        char maj_min_dev[MAX_PATH_LEN];
+        int newargc;
+        char **newargv;
+
+        udev = udev_new();
+        if (udev == NULL)
+                goto exit;
+
+        udev_log_init("scsi_id");
+        udev_set_log_fn(udev, log_fn);
+
+        /*
+         * Get config file options.
+         */
+        newargv = NULL;
+        retval = get_file_options(udev, NULL, NULL, &newargc, &newargv);
+        if (retval < 0) {
+                retval = 1;
+                goto exit;
+        }
+        if (newargv && (retval == 0)) {
+                if (set_options(udev, newargc, newargv, short_options, maj_min_dev) < 0) {
+                        retval = 2;
+                        goto exit;
+                }
+                free(newargv);
+        }
+
+        /*
+         * Get command line options (overriding any config file settings).
+         */
+        if (set_options(udev, argc, argv, short_options, maj_min_dev) < 0)
+                exit(1);
+
+        if (!dev_specified) {
+                err(udev, "no device specified\n");
+                retval = 1;
+                goto exit;
+        }
+
+        retval = scsi_id(udev, maj_min_dev);
 
 exit:
-	udev_unref(udev);
-	udev_log_close();
-	return retval;
+        udev_unref(udev);
+        udev_log_close();
+        return retval;
 }
diff --git a/src/extras/scsi_id/scsi_id.h b/src/extras/scsi_id/scsi_id.h
index a28f5e07..828a9830 100644
--- a/src/extras/scsi_id/scsi_id.h
+++ b/src/extras/scsi_id/scsi_id.h
@@ -15,35 +15,35 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#define	MAX_PATH_LEN	512
+#define        MAX_PATH_LEN        512
 
 /*
  * MAX_ATTR_LEN: maximum length of the result of reading a sysfs
  * attribute.
  */
-#define	MAX_ATTR_LEN	256
+#define        MAX_ATTR_LEN        256
 
 /*
  * MAX_SERIAL_LEN: the maximum length of the serial number, including
  * added prefixes such as vendor and product (model) strings.
  */
-#define	MAX_SERIAL_LEN	256
+#define        MAX_SERIAL_LEN        256
 
 /*
  * MAX_BUFFER_LEN: maximum buffer size and line length used while reading
  * the config file.
  */
-#define MAX_BUFFER_LEN	256
+#define MAX_BUFFER_LEN        256
 
 struct scsi_id_device {
-	char vendor[9];
-	char model[17];
-	char revision[5];
-	char type[33];
-	char kernel[64];
-	char serial[MAX_SERIAL_LEN];
-	char serial_short[MAX_SERIAL_LEN];
-	int use_sg;
+        char vendor[9];
+        char model[17];
+        char revision[5];
+        char type[33];
+        char kernel[64];
+        char serial[MAX_SERIAL_LEN];
+        char serial_short[MAX_SERIAL_LEN];
+        int use_sg;
 
         /* Always from page 0x80 e.g. 'B3G1P8500RWT' - may not be unique */
         char unit_serial_number[MAX_SERIAL_LEN];
@@ -54,20 +54,20 @@ struct scsi_id_device {
         /* NULs if not set - otherwise hex encoding using lower-case e.g. '0xe00000d80000' */
         char wwn_vendor_extension[17];
 
-	/* NULs if not set - otherwise decimal number */
-	char tgpt_group[8];
+        /* NULs if not set - otherwise decimal number */
+        char tgpt_group[8];
 };
 
 extern int scsi_std_inquiry(struct udev *udev, struct scsi_id_device *dev_scsi, const char *devname);
 extern int scsi_get_serial (struct udev *udev, struct scsi_id_device *dev_scsi, const char *devname,
-			    int page_code, int len);
+                            int page_code, int len);
 
 /*
  * Page code values.
  */
 enum page_code {
-		PAGE_83_PRE_SPC3 = -0x83,
-		PAGE_UNSPECIFIED = 0x00,
-		PAGE_80		 = 0x80,
-		PAGE_83		 = 0x83,
+                PAGE_83_PRE_SPC3 = -0x83,
+                PAGE_UNSPECIFIED = 0x00,
+                PAGE_80                 = 0x80,
+                PAGE_83                 = 0x83,
 };
diff --git a/src/extras/scsi_id/scsi_serial.c b/src/extras/scsi_id/scsi_serial.c
index 61ec618e..f1d63f40 100644
--- a/src/extras/scsi_id/scsi_serial.c
+++ b/src/extras/scsi_id/scsi_serial.c
@@ -48,28 +48,28 @@
  * is normally one or some small number of descriptors.
  */
 static const struct scsi_id_search_values id_search_list[] = {
-	{ SCSI_ID_TGTGROUP,	SCSI_ID_NAA_DONT_CARE,	SCSI_ID_BINARY },
-	{ SCSI_ID_NAA,	SCSI_ID_NAA_IEEE_REG_EXTENDED,	SCSI_ID_BINARY },
-	{ SCSI_ID_NAA,	SCSI_ID_NAA_IEEE_REG_EXTENDED,	SCSI_ID_ASCII },
-	{ SCSI_ID_NAA,	SCSI_ID_NAA_IEEE_REG,	SCSI_ID_BINARY },
-	{ SCSI_ID_NAA,	SCSI_ID_NAA_IEEE_REG,	SCSI_ID_ASCII },
-	/*
-	 * Devices already exist using NAA values that are now marked
-	 * reserved. These should not conflict with other values, or it is
-	 * a bug in the device. As long as we find the IEEE extended one
-	 * first, we really don't care what other ones are used. Using
-	 * don't care here means that a device that returns multiple
-	 * non-IEEE descriptors in a random order will get different
-	 * names.
-	 */
-	{ SCSI_ID_NAA,	SCSI_ID_NAA_DONT_CARE,	SCSI_ID_BINARY },
-	{ SCSI_ID_NAA,	SCSI_ID_NAA_DONT_CARE,	SCSI_ID_ASCII },
-	{ SCSI_ID_EUI_64,	SCSI_ID_NAA_DONT_CARE,	SCSI_ID_BINARY },
-	{ SCSI_ID_EUI_64,	SCSI_ID_NAA_DONT_CARE,	SCSI_ID_ASCII },
-	{ SCSI_ID_T10_VENDOR,	SCSI_ID_NAA_DONT_CARE,	SCSI_ID_BINARY },
-	{ SCSI_ID_T10_VENDOR,	SCSI_ID_NAA_DONT_CARE,	SCSI_ID_ASCII },
-	{ SCSI_ID_VENDOR_SPECIFIC,	SCSI_ID_NAA_DONT_CARE,	SCSI_ID_BINARY },
-	{ SCSI_ID_VENDOR_SPECIFIC,	SCSI_ID_NAA_DONT_CARE,	SCSI_ID_ASCII },
+        { SCSI_ID_TGTGROUP,        SCSI_ID_NAA_DONT_CARE,        SCSI_ID_BINARY },
+        { SCSI_ID_NAA,        SCSI_ID_NAA_IEEE_REG_EXTENDED,        SCSI_ID_BINARY },
+        { SCSI_ID_NAA,        SCSI_ID_NAA_IEEE_REG_EXTENDED,        SCSI_ID_ASCII },
+        { SCSI_ID_NAA,        SCSI_ID_NAA_IEEE_REG,        SCSI_ID_BINARY },
+        { SCSI_ID_NAA,        SCSI_ID_NAA_IEEE_REG,        SCSI_ID_ASCII },
+        /*
+         * Devices already exist using NAA values that are now marked
+         * reserved. These should not conflict with other values, or it is
+         * a bug in the device. As long as we find the IEEE extended one
+         * first, we really don't care what other ones are used. Using
+         * don't care here means that a device that returns multiple
+         * non-IEEE descriptors in a random order will get different
+         * names.
+         */
+        { SCSI_ID_NAA,        SCSI_ID_NAA_DONT_CARE,        SCSI_ID_BINARY },
+        { SCSI_ID_NAA,        SCSI_ID_NAA_DONT_CARE,        SCSI_ID_ASCII },
+        { SCSI_ID_EUI_64,        SCSI_ID_NAA_DONT_CARE,        SCSI_ID_BINARY },
+        { SCSI_ID_EUI_64,        SCSI_ID_NAA_DONT_CARE,        SCSI_ID_ASCII },
+        { SCSI_ID_T10_VENDOR,        SCSI_ID_NAA_DONT_CARE,        SCSI_ID_BINARY },
+        { SCSI_ID_T10_VENDOR,        SCSI_ID_NAA_DONT_CARE,        SCSI_ID_ASCII },
+        { SCSI_ID_VENDOR_SPECIFIC,        SCSI_ID_NAA_DONT_CARE,        SCSI_ID_BINARY },
+        { SCSI_ID_VENDOR_SPECIFIC,        SCSI_ID_NAA_DONT_CARE,        SCSI_ID_ASCII },
 };
 
 static const char hex_str[]="0123456789abcdef";
@@ -79,376 +79,376 @@ static const char hex_str[]="0123456789abcdef";
  * are used here.
  */
 
-#define DID_NO_CONNECT			0x01	/* Unable to connect before timeout */
-#define DID_BUS_BUSY			0x02	/* Bus remain busy until timeout */
-#define DID_TIME_OUT			0x03	/* Timed out for some other reason */
-#define DRIVER_TIMEOUT			0x06
-#define DRIVER_SENSE			0x08	/* Sense_buffer has been set */
+#define DID_NO_CONNECT                        0x01        /* Unable to connect before timeout */
+#define DID_BUS_BUSY                        0x02        /* Bus remain busy until timeout */
+#define DID_TIME_OUT                        0x03        /* Timed out for some other reason */
+#define DRIVER_TIMEOUT                        0x06
+#define DRIVER_SENSE                        0x08        /* Sense_buffer has been set */
 
 /* The following "category" function returns one of the following */
-#define SG_ERR_CAT_CLEAN		0	/* No errors or other information */
-#define SG_ERR_CAT_MEDIA_CHANGED	1	/* interpreted from sense buffer */
-#define SG_ERR_CAT_RESET		2	/* interpreted from sense buffer */
-#define SG_ERR_CAT_TIMEOUT		3
-#define SG_ERR_CAT_RECOVERED		4	/* Successful command after recovered err */
-#define SG_ERR_CAT_NOTSUPPORTED		5	/* Illegal / unsupported command */
-#define SG_ERR_CAT_SENSE		98	/* Something else in the sense buffer */
-#define SG_ERR_CAT_OTHER		99	/* Some other error/warning */
+#define SG_ERR_CAT_CLEAN                0        /* No errors or other information */
+#define SG_ERR_CAT_MEDIA_CHANGED        1        /* interpreted from sense buffer */
+#define SG_ERR_CAT_RESET                2        /* interpreted from sense buffer */
+#define SG_ERR_CAT_TIMEOUT                3
+#define SG_ERR_CAT_RECOVERED                4        /* Successful command after recovered err */
+#define SG_ERR_CAT_NOTSUPPORTED                5        /* Illegal / unsupported command */
+#define SG_ERR_CAT_SENSE                98        /* Something else in the sense buffer */
+#define SG_ERR_CAT_OTHER                99        /* Some other error/warning */
 
 static int do_scsi_page80_inquiry(struct udev *udev,
-				  struct scsi_id_device *dev_scsi, int fd,
-				  char *serial, char *serial_short, int max_len);
+                                  struct scsi_id_device *dev_scsi, int fd,
+                                  char *serial, char *serial_short, int max_len);
 
 static int sg_err_category_new(struct udev *udev,
-			       int scsi_status, int msg_status, int
-			       host_status, int driver_status, const
-			       unsigned char *sense_buffer, int sb_len)
+                               int scsi_status, int msg_status, int
+                               host_status, int driver_status, const
+                               unsigned char *sense_buffer, int sb_len)
 {
-	scsi_status &= 0x7e;
-
-	/*
-	 * XXX change to return only two values - failed or OK.
-	 */
-
-	if (!scsi_status && !host_status && !driver_status)
-		return SG_ERR_CAT_CLEAN;
-
-	if ((scsi_status == SCSI_CHECK_CONDITION) ||
-	    (scsi_status == SCSI_COMMAND_TERMINATED) ||
-	    ((driver_status & 0xf) == DRIVER_SENSE)) {
-		if (sense_buffer && (sb_len > 2)) {
-			int sense_key;
-			unsigned char asc;
-
-			if (sense_buffer[0] & 0x2) {
-				sense_key = sense_buffer[1] & 0xf;
-				asc = sense_buffer[2];
-			} else {
-				sense_key = sense_buffer[2] & 0xf;
-				asc = (sb_len > 12) ? sense_buffer[12] : 0;
-			}
-
-			if (sense_key == RECOVERED_ERROR)
-				return SG_ERR_CAT_RECOVERED;
-			else if (sense_key == UNIT_ATTENTION) {
-				if (0x28 == asc)
-					return SG_ERR_CAT_MEDIA_CHANGED;
-				if (0x29 == asc)
-					return SG_ERR_CAT_RESET;
-			} else if (sense_key == ILLEGAL_REQUEST) {
-				return SG_ERR_CAT_NOTSUPPORTED;
-			}
-		}
-		return SG_ERR_CAT_SENSE;
-	}
-	if (host_status) {
-		if ((host_status == DID_NO_CONNECT) ||
-		    (host_status == DID_BUS_BUSY) ||
-		    (host_status == DID_TIME_OUT))
-			return SG_ERR_CAT_TIMEOUT;
-	}
-	if (driver_status) {
-		if (driver_status == DRIVER_TIMEOUT)
-			return SG_ERR_CAT_TIMEOUT;
-	}
-	return SG_ERR_CAT_OTHER;
+        scsi_status &= 0x7e;
+
+        /*
+         * XXX change to return only two values - failed or OK.
+         */
+
+        if (!scsi_status && !host_status && !driver_status)
+                return SG_ERR_CAT_CLEAN;
+
+        if ((scsi_status == SCSI_CHECK_CONDITION) ||
+            (scsi_status == SCSI_COMMAND_TERMINATED) ||
+            ((driver_status & 0xf) == DRIVER_SENSE)) {
+                if (sense_buffer && (sb_len > 2)) {
+                        int sense_key;
+                        unsigned char asc;
+
+                        if (sense_buffer[0] & 0x2) {
+                                sense_key = sense_buffer[1] & 0xf;
+                                asc = sense_buffer[2];
+                        } else {
+                                sense_key = sense_buffer[2] & 0xf;
+                                asc = (sb_len > 12) ? sense_buffer[12] : 0;
+                        }
+
+                        if (sense_key == RECOVERED_ERROR)
+                                return SG_ERR_CAT_RECOVERED;
+                        else if (sense_key == UNIT_ATTENTION) {
+                                if (0x28 == asc)
+                                        return SG_ERR_CAT_MEDIA_CHANGED;
+                                if (0x29 == asc)
+                                        return SG_ERR_CAT_RESET;
+                        } else if (sense_key == ILLEGAL_REQUEST) {
+                                return SG_ERR_CAT_NOTSUPPORTED;
+                        }
+                }
+                return SG_ERR_CAT_SENSE;
+        }
+        if (host_status) {
+                if ((host_status == DID_NO_CONNECT) ||
+                    (host_status == DID_BUS_BUSY) ||
+                    (host_status == DID_TIME_OUT))
+                        return SG_ERR_CAT_TIMEOUT;
+        }
+        if (driver_status) {
+                if (driver_status == DRIVER_TIMEOUT)
+                        return SG_ERR_CAT_TIMEOUT;
+        }
+        return SG_ERR_CAT_OTHER;
 }
 
 static int sg_err_category3(struct udev *udev, struct sg_io_hdr *hp)
 {
-	return sg_err_category_new(udev,
-				   hp->status, hp->msg_status,
-				   hp->host_status, hp->driver_status,
-				   hp->sbp, hp->sb_len_wr);
+        return sg_err_category_new(udev,
+                                   hp->status, hp->msg_status,
+                                   hp->host_status, hp->driver_status,
+                                   hp->sbp, hp->sb_len_wr);
 }
 
 static int sg_err_category4(struct udev *udev, struct sg_io_v4 *hp)
 {
-	return sg_err_category_new(udev, hp->device_status, 0,
-				   hp->transport_status, hp->driver_status,
-				   (unsigned char *)(uintptr_t)hp->response,
-				   hp->response_len);
+        return sg_err_category_new(udev, hp->device_status, 0,
+                                   hp->transport_status, hp->driver_status,
+                                   (unsigned char *)(uintptr_t)hp->response,
+                                   hp->response_len);
 }
 
 static int scsi_dump_sense(struct udev *udev,
-			   struct scsi_id_device *dev_scsi,
-			   unsigned char *sense_buffer, int sb_len)
+                           struct scsi_id_device *dev_scsi,
+                           unsigned char *sense_buffer, int sb_len)
 {
-	int s;
-	int code;
-	int sense_class;
-	int sense_key;
-	int asc, ascq;
+        int s;
+        int code;
+        int sense_class;
+        int sense_key;
+        int asc, ascq;
 #ifdef DUMP_SENSE
-	char out_buffer[256];
-	int i, j;
+        char out_buffer[256];
+        int i, j;
 #endif
 
-	/*
-	 * Figure out and print the sense key, asc and ascq.
-	 *
-	 * If you want to suppress these for a particular drive model, add
-	 * a black list entry in the scsi_id config file.
-	 *
-	 * XXX We probably need to: lookup the sense/asc/ascq in a retry
-	 * table, and if found return 1 (after dumping the sense, asc, and
-	 * ascq). So, if/when we get something like a power on/reset,
-	 * we'll retry the command.
-	 */
-
-	dbg(udev, "got check condition\n");
-
-	if (sb_len < 1) {
-		info(udev, "%s: sense buffer empty\n", dev_scsi->kernel);
-		return -1;
-	}
-
-	sense_class = (sense_buffer[0] >> 4) & 0x07;
-	code = sense_buffer[0] & 0xf;
-
-	if (sense_class == 7) {
-		/*
-		 * extended sense data.
-		 */
-		s = sense_buffer[7] + 8;
-		if (sb_len < s) {
-			info(udev, "%s: sense buffer too small %d bytes, %d bytes too short\n",
-			    dev_scsi->kernel, sb_len, s - sb_len);
-			return -1;
-		}
-		if ((code == 0x0) || (code == 0x1)) {
-			sense_key = sense_buffer[2] & 0xf;
-			if (s < 14) {
-				/*
-				 * Possible?
-				 */
-				info(udev, "%s: sense result too" " small %d bytes\n",
-				    dev_scsi->kernel, s);
-				return -1;
-			}
-			asc = sense_buffer[12];
-			ascq = sense_buffer[13];
-		} else if ((code == 0x2) || (code == 0x3)) {
-			sense_key = sense_buffer[1] & 0xf;
-			asc = sense_buffer[2];
-			ascq = sense_buffer[3];
-		} else {
-			info(udev, "%s: invalid sense code 0x%x\n",
-			    dev_scsi->kernel, code);
-			return -1;
-		}
-		info(udev, "%s: sense key 0x%x ASC 0x%x ASCQ 0x%x\n",
-		    dev_scsi->kernel, sense_key, asc, ascq);
-	} else {
-		if (sb_len < 4) {
-			info(udev, "%s: sense buffer too small %d bytes, %d bytes too short\n",
-			    dev_scsi->kernel, sb_len, 4 - sb_len);
-			return -1;
-		}
-
-		if (sense_buffer[0] < 15)
-			info(udev, "%s: old sense key: 0x%x\n", dev_scsi->kernel, sense_buffer[0] & 0x0f);
-		else
-			info(udev, "%s: sense = %2x %2x\n",
-			    dev_scsi->kernel, sense_buffer[0], sense_buffer[2]);
-		info(udev, "%s: non-extended sense class %d code 0x%0x\n",
-		    dev_scsi->kernel, sense_class, code);
-
-	}
+        /*
+         * Figure out and print the sense key, asc and ascq.
+         *
+         * If you want to suppress these for a particular drive model, add
+         * a black list entry in the scsi_id config file.
+         *
+         * XXX We probably need to: lookup the sense/asc/ascq in a retry
+         * table, and if found return 1 (after dumping the sense, asc, and
+         * ascq). So, if/when we get something like a power on/reset,
+         * we'll retry the command.
+         */
+
+        dbg(udev, "got check condition\n");
+
+        if (sb_len < 1) {
+                info(udev, "%s: sense buffer empty\n", dev_scsi->kernel);
+                return -1;
+        }
+
+        sense_class = (sense_buffer[0] >> 4) & 0x07;
+        code = sense_buffer[0] & 0xf;
+
+        if (sense_class == 7) {
+                /*
+                 * extended sense data.
+                 */
+                s = sense_buffer[7] + 8;
+                if (sb_len < s) {
+                        info(udev, "%s: sense buffer too small %d bytes, %d bytes too short\n",
+                            dev_scsi->kernel, sb_len, s - sb_len);
+                        return -1;
+                }
+                if ((code == 0x0) || (code == 0x1)) {
+                        sense_key = sense_buffer[2] & 0xf;
+                        if (s < 14) {
+                                /*
+                                 * Possible?
+                                 */
+                                info(udev, "%s: sense result too" " small %d bytes\n",
+                                    dev_scsi->kernel, s);
+                                return -1;
+                        }
+                        asc = sense_buffer[12];
+                        ascq = sense_buffer[13];
+                } else if ((code == 0x2) || (code == 0x3)) {
+                        sense_key = sense_buffer[1] & 0xf;
+                        asc = sense_buffer[2];
+                        ascq = sense_buffer[3];
+                } else {
+                        info(udev, "%s: invalid sense code 0x%x\n",
+                            dev_scsi->kernel, code);
+                        return -1;
+                }
+                info(udev, "%s: sense key 0x%x ASC 0x%x ASCQ 0x%x\n",
+                    dev_scsi->kernel, sense_key, asc, ascq);
+        } else {
+                if (sb_len < 4) {
+                        info(udev, "%s: sense buffer too small %d bytes, %d bytes too short\n",
+                            dev_scsi->kernel, sb_len, 4 - sb_len);
+                        return -1;
+                }
+
+                if (sense_buffer[0] < 15)
+                        info(udev, "%s: old sense key: 0x%x\n", dev_scsi->kernel, sense_buffer[0] & 0x0f);
+                else
+                        info(udev, "%s: sense = %2x %2x\n",
+                            dev_scsi->kernel, sense_buffer[0], sense_buffer[2]);
+                info(udev, "%s: non-extended sense class %d code 0x%0x\n",
+                    dev_scsi->kernel, sense_class, code);
+
+        }
 
 #ifdef DUMP_SENSE
-	for (i = 0, j = 0; (i < s) && (j < 254); i++) {
-		dbg(udev, "i %d, j %d\n", i, j);
-		out_buffer[j++] = hex_str[(sense_buffer[i] & 0xf0) >> 4];
-		out_buffer[j++] = hex_str[sense_buffer[i] & 0x0f];
-		out_buffer[j++] = ' ';
-	}
-	out_buffer[j] = '\0';
-	info(udev, "%s: sense dump:\n", dev_scsi->kernel);
-	info(udev, "%s: %s\n", dev_scsi->kernel, out_buffer);
+        for (i = 0, j = 0; (i < s) && (j < 254); i++) {
+                dbg(udev, "i %d, j %d\n", i, j);
+                out_buffer[j++] = hex_str[(sense_buffer[i] & 0xf0) >> 4];
+                out_buffer[j++] = hex_str[sense_buffer[i] & 0x0f];
+                out_buffer[j++] = ' ';
+        }
+        out_buffer[j] = '\0';
+        info(udev, "%s: sense dump:\n", dev_scsi->kernel);
+        info(udev, "%s: %s\n", dev_scsi->kernel, out_buffer);
 
 #endif
-	return -1;
+        return -1;
 }
 
 static int scsi_dump(struct udev *udev,
-		     struct scsi_id_device *dev_scsi, struct sg_io_hdr *io)
+                     struct scsi_id_device *dev_scsi, struct sg_io_hdr *io)
 {
-	if (!io->status && !io->host_status && !io->msg_status &&
-	    !io->driver_status) {
-		/*
-		 * Impossible, should not be called.
-		 */
-		info(udev, "%s: called with no error\n", __FUNCTION__);
-		return -1;
-	}
-
-	info(udev, "%s: sg_io failed status 0x%x 0x%x 0x%x 0x%x\n",
-	    dev_scsi->kernel, io->driver_status, io->host_status, io->msg_status, io->status);
-	if (io->status == SCSI_CHECK_CONDITION)
-		return scsi_dump_sense(udev, dev_scsi, io->sbp, io->sb_len_wr);
-	else
-		return -1;
+        if (!io->status && !io->host_status && !io->msg_status &&
+            !io->driver_status) {
+                /*
+                 * Impossible, should not be called.
+                 */
+                info(udev, "%s: called with no error\n", __FUNCTION__);
+                return -1;
+        }
+
+        info(udev, "%s: sg_io failed status 0x%x 0x%x 0x%x 0x%x\n",
+            dev_scsi->kernel, io->driver_status, io->host_status, io->msg_status, io->status);
+        if (io->status == SCSI_CHECK_CONDITION)
+                return scsi_dump_sense(udev, dev_scsi, io->sbp, io->sb_len_wr);
+        else
+                return -1;
 }
 
 static int scsi_dump_v4(struct udev *udev,
-			struct scsi_id_device *dev_scsi, struct sg_io_v4 *io)
+                        struct scsi_id_device *dev_scsi, struct sg_io_v4 *io)
 {
-	if (!io->device_status && !io->transport_status &&
-	    !io->driver_status) {
-		/*
-		 * Impossible, should not be called.
-		 */
-		info(udev, "%s: called with no error\n", __FUNCTION__);
-		return -1;
-	}
-
-	info(udev, "%s: sg_io failed status 0x%x 0x%x 0x%x\n",
-	    dev_scsi->kernel, io->driver_status, io->transport_status,
-	     io->device_status);
-	if (io->device_status == SCSI_CHECK_CONDITION)
-		return scsi_dump_sense(udev, dev_scsi, (unsigned char *)(uintptr_t)io->response,
-				       io->response_len);
-	else
-		return -1;
+        if (!io->device_status && !io->transport_status &&
+            !io->driver_status) {
+                /*
+                 * Impossible, should not be called.
+                 */
+                info(udev, "%s: called with no error\n", __FUNCTION__);
+                return -1;
+        }
+
+        info(udev, "%s: sg_io failed status 0x%x 0x%x 0x%x\n",
+            dev_scsi->kernel, io->driver_status, io->transport_status,
+             io->device_status);
+        if (io->device_status == SCSI_CHECK_CONDITION)
+                return scsi_dump_sense(udev, dev_scsi, (unsigned char *)(uintptr_t)io->response,
+                                       io->response_len);
+        else
+                return -1;
 }
 
 static int scsi_inquiry(struct udev *udev,
-			struct scsi_id_device *dev_scsi, int fd,
-			unsigned char evpd, unsigned char page,
-			unsigned char *buf, unsigned int buflen)
+                        struct scsi_id_device *dev_scsi, int fd,
+                        unsigned char evpd, unsigned char page,
+                        unsigned char *buf, unsigned int buflen)
 {
-	unsigned char inq_cmd[INQUIRY_CMDLEN] =
-		{ INQUIRY_CMD, evpd, page, 0, buflen, 0 };
-	unsigned char sense[SENSE_BUFF_LEN];
-	void *io_buf;
-	struct sg_io_v4 io_v4;
-	struct sg_io_hdr io_hdr;
-	int retry = 3; /* rather random */
-	int retval;
-
-	if (buflen > SCSI_INQ_BUFF_LEN) {
-		info(udev, "buflen %d too long\n", buflen);
-		return -1;
-	}
+        unsigned char inq_cmd[INQUIRY_CMDLEN] =
+                { INQUIRY_CMD, evpd, page, 0, buflen, 0 };
+        unsigned char sense[SENSE_BUFF_LEN];
+        void *io_buf;
+        struct sg_io_v4 io_v4;
+        struct sg_io_hdr io_hdr;
+        int retry = 3; /* rather random */
+        int retval;
+
+        if (buflen > SCSI_INQ_BUFF_LEN) {
+                info(udev, "buflen %d too long\n", buflen);
+                return -1;
+        }
 
 resend:
-	dbg(udev, "%s evpd %d, page 0x%x\n", dev_scsi->kernel, evpd, page);
-
-	if (dev_scsi->use_sg == 4) {
-		memset(&io_v4, 0, sizeof(struct sg_io_v4));
-		io_v4.guard = 'Q';
-		io_v4.protocol = BSG_PROTOCOL_SCSI;
-		io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD;
-		io_v4.request_len = sizeof(inq_cmd);
-		io_v4.request = (uintptr_t)inq_cmd;
-		io_v4.max_response_len = sizeof(sense);
-		io_v4.response = (uintptr_t)sense;
-		io_v4.din_xfer_len = buflen;
-		io_v4.din_xferp = (uintptr_t)buf;
-		io_buf = (void *)&io_v4;
-	} else {
-		memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
-		io_hdr.interface_id = 'S';
-		io_hdr.cmd_len = sizeof(inq_cmd);
-		io_hdr.mx_sb_len = sizeof(sense);
-		io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
-		io_hdr.dxfer_len = buflen;
-		io_hdr.dxferp = buf;
-		io_hdr.cmdp = inq_cmd;
-		io_hdr.sbp = sense;
-		io_hdr.timeout = DEF_TIMEOUT;
-		io_buf = (void *)&io_hdr;
-	}
-
-	retval = ioctl(fd, SG_IO, io_buf);
-	if (retval < 0) {
-		if ((errno == EINVAL || errno == ENOSYS) && dev_scsi->use_sg == 4) {
-			dev_scsi->use_sg = 3;
-			goto resend;
-		}
-		info(udev, "%s: ioctl failed: %s\n", dev_scsi->kernel, strerror(errno));
-		goto error;
-	}
-
-	if (dev_scsi->use_sg == 4)
-		retval = sg_err_category4(udev, io_buf);
-	else
-		retval = sg_err_category3(udev, io_buf);
-
-	switch (retval) {
-		case SG_ERR_CAT_NOTSUPPORTED:
-			buf[1] = 0;
-			/* Fallthrough */
-		case SG_ERR_CAT_CLEAN:
-		case SG_ERR_CAT_RECOVERED:
-			retval = 0;
-			break;
-
-		default:
-			if (dev_scsi->use_sg == 4)
-				retval = scsi_dump_v4(udev, dev_scsi, io_buf);
-			else
-				retval = scsi_dump(udev, dev_scsi, io_buf);
-	}
-
-	if (!retval) {
-		retval = buflen;
-	} else if (retval > 0) {
-		if (--retry > 0) {
-			dbg(udev, "%s: Retrying ...\n", dev_scsi->kernel);
-			goto resend;
-		}
-		retval = -1;
-	}
+        dbg(udev, "%s evpd %d, page 0x%x\n", dev_scsi->kernel, evpd, page);
+
+        if (dev_scsi->use_sg == 4) {
+                memset(&io_v4, 0, sizeof(struct sg_io_v4));
+                io_v4.guard = 'Q';
+                io_v4.protocol = BSG_PROTOCOL_SCSI;
+                io_v4.subprotocol = BSG_SUB_PROTOCOL_SCSI_CMD;
+                io_v4.request_len = sizeof(inq_cmd);
+                io_v4.request = (uintptr_t)inq_cmd;
+                io_v4.max_response_len = sizeof(sense);
+                io_v4.response = (uintptr_t)sense;
+                io_v4.din_xfer_len = buflen;
+                io_v4.din_xferp = (uintptr_t)buf;
+                io_buf = (void *)&io_v4;
+        } else {
+                memset(&io_hdr, 0, sizeof(struct sg_io_hdr));
+                io_hdr.interface_id = 'S';
+                io_hdr.cmd_len = sizeof(inq_cmd);
+                io_hdr.mx_sb_len = sizeof(sense);
+                io_hdr.dxfer_direction = SG_DXFER_FROM_DEV;
+                io_hdr.dxfer_len = buflen;
+                io_hdr.dxferp = buf;
+                io_hdr.cmdp = inq_cmd;
+                io_hdr.sbp = sense;
+                io_hdr.timeout = DEF_TIMEOUT;
+                io_buf = (void *)&io_hdr;
+        }
+
+        retval = ioctl(fd, SG_IO, io_buf);
+        if (retval < 0) {
+                if ((errno == EINVAL || errno == ENOSYS) && dev_scsi->use_sg == 4) {
+                        dev_scsi->use_sg = 3;
+                        goto resend;
+                }
+                info(udev, "%s: ioctl failed: %s\n", dev_scsi->kernel, strerror(errno));
+                goto error;
+        }
+
+        if (dev_scsi->use_sg == 4)
+                retval = sg_err_category4(udev, io_buf);
+        else
+                retval = sg_err_category3(udev, io_buf);
+
+        switch (retval) {
+                case SG_ERR_CAT_NOTSUPPORTED:
+                        buf[1] = 0;
+                        /* Fallthrough */
+                case SG_ERR_CAT_CLEAN:
+                case SG_ERR_CAT_RECOVERED:
+                        retval = 0;
+                        break;
+
+                default:
+                        if (dev_scsi->use_sg == 4)
+                                retval = scsi_dump_v4(udev, dev_scsi, io_buf);
+                        else
+                                retval = scsi_dump(udev, dev_scsi, io_buf);
+        }
+
+        if (!retval) {
+                retval = buflen;
+        } else if (retval > 0) {
+                if (--retry > 0) {
+                        dbg(udev, "%s: Retrying ...\n", dev_scsi->kernel);
+                        goto resend;
+                }
+                retval = -1;
+        }
 
 error:
-	if (retval < 0)
-		info(udev, "%s: Unable to get INQUIRY vpd %d page 0x%x.\n",
-		    dev_scsi->kernel, evpd, page);
+        if (retval < 0)
+                info(udev, "%s: Unable to get INQUIRY vpd %d page 0x%x.\n",
+                    dev_scsi->kernel, evpd, page);
 
-	return retval;
+        return retval;
 }
 
 /* Get list of supported EVPD pages */
 static int do_scsi_page0_inquiry(struct udev *udev,
-				 struct scsi_id_device *dev_scsi, int fd,
-				 unsigned char *buffer, unsigned int len)
+                                 struct scsi_id_device *dev_scsi, int fd,
+                                 unsigned char *buffer, unsigned int len)
 {
-	int retval;
-
-	memset(buffer, 0, len);
-	retval = scsi_inquiry(udev, dev_scsi, fd, 1, 0x0, buffer, len);
-	if (retval < 0)
-		return 1;
-
-	if (buffer[1] != 0) {
-		info(udev, "%s: page 0 not available.\n", dev_scsi->kernel);
-		return 1;
-	}
-	if (buffer[3] > len) {
-		info(udev, "%s: page 0 buffer too long %d\n", dev_scsi->kernel,	 buffer[3]);
-		return 1;
-	}
-
-	/*
-	 * Following check is based on code once included in the 2.5.x
-	 * kernel.
-	 *
-	 * Some ill behaved devices return the standard inquiry here
-	 * rather than the evpd data, snoop the data to verify.
-	 */
-	if (buffer[3] > MODEL_LENGTH) {
-		/*
-		 * If the vendor id appears in the page assume the page is
-		 * invalid.
-		 */
-		if (!strncmp((char *)&buffer[VENDOR_LENGTH], dev_scsi->vendor, VENDOR_LENGTH)) {
-			info(udev, "%s: invalid page0 data\n", dev_scsi->kernel);
-			return 1;
-		}
-	}
-	return 0;
+        int retval;
+
+        memset(buffer, 0, len);
+        retval = scsi_inquiry(udev, dev_scsi, fd, 1, 0x0, buffer, len);
+        if (retval < 0)
+                return 1;
+
+        if (buffer[1] != 0) {
+                info(udev, "%s: page 0 not available.\n", dev_scsi->kernel);
+                return 1;
+        }
+        if (buffer[3] > len) {
+                info(udev, "%s: page 0 buffer too long %d\n", dev_scsi->kernel,         buffer[3]);
+                return 1;
+        }
+
+        /*
+         * Following check is based on code once included in the 2.5.x
+         * kernel.
+         *
+         * Some ill behaved devices return the standard inquiry here
+         * rather than the evpd data, snoop the data to verify.
+         */
+        if (buffer[3] > MODEL_LENGTH) {
+                /*
+                 * If the vendor id appears in the page assume the page is
+                 * invalid.
+                 */
+                if (!strncmp((char *)&buffer[VENDOR_LENGTH], dev_scsi->vendor, VENDOR_LENGTH)) {
+                        info(udev, "%s: invalid page0 data\n", dev_scsi->kernel);
+                        return 1;
+                }
+        }
+        return 0;
 }
 
 /*
@@ -456,24 +456,24 @@ static int do_scsi_page0_inquiry(struct udev *udev,
  * model.
  */
 static int prepend_vendor_model(struct udev *udev,
-				struct scsi_id_device *dev_scsi, char *serial)
+                                struct scsi_id_device *dev_scsi, char *serial)
 {
-	int ind;
-
-	strncpy(serial, dev_scsi->vendor, VENDOR_LENGTH);
-	strncat(serial, dev_scsi->model, MODEL_LENGTH);
-	ind = strlen(serial);
-
-	/*
-	 * This is not a complete check, since we are using strncat/cpy
-	 * above, ind will never be too large.
-	 */
-	if (ind != (VENDOR_LENGTH + MODEL_LENGTH)) {
-		info(udev, "%s: expected length %d, got length %d\n",
-		     dev_scsi->kernel, (VENDOR_LENGTH + MODEL_LENGTH), ind);
-		return -1;
-	}
-	return ind;
+        int ind;
+
+        strncpy(serial, dev_scsi->vendor, VENDOR_LENGTH);
+        strncat(serial, dev_scsi->model, MODEL_LENGTH);
+        ind = strlen(serial);
+
+        /*
+         * This is not a complete check, since we are using strncat/cpy
+         * above, ind will never be too large.
+         */
+        if (ind != (VENDOR_LENGTH + MODEL_LENGTH)) {
+                info(udev, "%s: expected length %d, got length %d\n",
+                     dev_scsi->kernel, (VENDOR_LENGTH + MODEL_LENGTH), ind);
+                return -1;
+        }
+        return ind;
 }
 
 /**
@@ -481,236 +481,236 @@ static int prepend_vendor_model(struct udev *udev,
  * serial number.
  **/
 static int check_fill_0x83_id(struct udev *udev,
-			      struct scsi_id_device *dev_scsi,
-			      unsigned char *page_83,
-			      const struct scsi_id_search_values
-			      *id_search, char *serial, char *serial_short,
-			      int max_len, char *wwn,
-			      char *wwn_vendor_extension, char *tgpt_group)
+                              struct scsi_id_device *dev_scsi,
+                              unsigned char *page_83,
+                              const struct scsi_id_search_values
+                              *id_search, char *serial, char *serial_short,
+                              int max_len, char *wwn,
+                              char *wwn_vendor_extension, char *tgpt_group)
 {
-	int i, j, s, len;
-
-	/*
-	 * ASSOCIATION must be with the device (value 0)
-	 * or with the target port for SCSI_ID_TGTPORT
-	 */
-	if ((page_83[1] & 0x30) == 0x10) {
-		if (id_search->id_type != SCSI_ID_TGTGROUP)
-			return 1;
-	} else if ((page_83[1] & 0x30) != 0) {
-		return 1;
-	}
-
-	if ((page_83[1] & 0x0f) != id_search->id_type)
-		return 1;
-
-	/*
-	 * Possibly check NAA sub-type.
-	 */
-	if ((id_search->naa_type != SCSI_ID_NAA_DONT_CARE) &&
-	    (id_search->naa_type != (page_83[4] & 0xf0) >> 4))
-		return 1;
-
-	/*
-	 * Check for matching code set - ASCII or BINARY.
-	 */
-	if ((page_83[0] & 0x0f) != id_search->code_set)
-		return 1;
-
-	/*
-	 * page_83[3]: identifier length
-	 */
-	len = page_83[3];
-	if ((page_83[0] & 0x0f) != SCSI_ID_ASCII)
-		/*
-		 * If not ASCII, use two bytes for each binary value.
-		 */
-		len *= 2;
-
-	/*
-	 * Add one byte for the NUL termination, and one for the id_type.
-	 */
-	len += 2;
-	if (id_search->id_type == SCSI_ID_VENDOR_SPECIFIC)
-		len += VENDOR_LENGTH + MODEL_LENGTH;
-
-	if (max_len < len) {
-		info(udev, "%s: length %d too short - need %d\n",
-		    dev_scsi->kernel, max_len, len);
-		return 1;
-	}
-
-	if (id_search->id_type == SCSI_ID_TGTGROUP && tgpt_group != NULL) {
-		unsigned int group;
-
-		group = ((unsigned int)page_83[6] << 8) | page_83[7];
-		sprintf(tgpt_group,"%x", group);
-		return 1;
-	}
-
-	serial[0] = hex_str[id_search->id_type];
-
-	/*
-	 * For SCSI_ID_VENDOR_SPECIFIC prepend the vendor and model before
-	 * the id since it is not unique across all vendors and models,
-	 * this differs from SCSI_ID_T10_VENDOR, where the vendor is
-	 * included in the identifier.
-	 */
-	if (id_search->id_type == SCSI_ID_VENDOR_SPECIFIC)
-		if (prepend_vendor_model(udev, dev_scsi, &serial[1]) < 0) {
-			dbg(udev, "prepend failed\n");
-			return 1;
-		}
-
-	i = 4; /* offset to the start of the identifier */
-	s = j = strlen(serial);
-	if ((page_83[0] & 0x0f) == SCSI_ID_ASCII) {
-		/*
-		 * ASCII descriptor.
-		 */
-		while (i < (4 + page_83[3]))
-			serial[j++] = page_83[i++];
-	} else {
-		/*
-		 * Binary descriptor, convert to ASCII, using two bytes of
-		 * ASCII for each byte in the page_83.
-		 */
-		while (i < (4 + page_83[3])) {
-			serial[j++] = hex_str[(page_83[i] & 0xf0) >> 4];
-			serial[j++] = hex_str[page_83[i] & 0x0f];
-			i++;
-		}
-	}
-
-	strcpy(serial_short, &serial[s]);
-
-	if (id_search->id_type == SCSI_ID_NAA && wwn != NULL) {
-		strncpy(wwn, &serial[s], 16);
-		if (wwn_vendor_extension != NULL) {
-			strncpy(wwn_vendor_extension, &serial[s + 16], 16);
-		}
-	}
-
-	return 0;
+        int i, j, s, len;
+
+        /*
+         * ASSOCIATION must be with the device (value 0)
+         * or with the target port for SCSI_ID_TGTPORT
+         */
+        if ((page_83[1] & 0x30) == 0x10) {
+                if (id_search->id_type != SCSI_ID_TGTGROUP)
+                        return 1;
+        } else if ((page_83[1] & 0x30) != 0) {
+                return 1;
+        }
+
+        if ((page_83[1] & 0x0f) != id_search->id_type)
+                return 1;
+
+        /*
+         * Possibly check NAA sub-type.
+         */
+        if ((id_search->naa_type != SCSI_ID_NAA_DONT_CARE) &&
+            (id_search->naa_type != (page_83[4] & 0xf0) >> 4))
+                return 1;
+
+        /*
+         * Check for matching code set - ASCII or BINARY.
+         */
+        if ((page_83[0] & 0x0f) != id_search->code_set)
+                return 1;
+
+        /*
+         * page_83[3]: identifier length
+         */
+        len = page_83[3];
+        if ((page_83[0] & 0x0f) != SCSI_ID_ASCII)
+                /*
+                 * If not ASCII, use two bytes for each binary value.
+                 */
+                len *= 2;
+
+        /*
+         * Add one byte for the NUL termination, and one for the id_type.
+         */
+        len += 2;
+        if (id_search->id_type == SCSI_ID_VENDOR_SPECIFIC)
+                len += VENDOR_LENGTH + MODEL_LENGTH;
+
+        if (max_len < len) {
+                info(udev, "%s: length %d too short - need %d\n",
+                    dev_scsi->kernel, max_len, len);
+                return 1;
+        }
+
+        if (id_search->id_type == SCSI_ID_TGTGROUP && tgpt_group != NULL) {
+                unsigned int group;
+
+                group = ((unsigned int)page_83[6] << 8) | page_83[7];
+                sprintf(tgpt_group,"%x", group);
+                return 1;
+        }
+
+        serial[0] = hex_str[id_search->id_type];
+
+        /*
+         * For SCSI_ID_VENDOR_SPECIFIC prepend the vendor and model before
+         * the id since it is not unique across all vendors and models,
+         * this differs from SCSI_ID_T10_VENDOR, where the vendor is
+         * included in the identifier.
+         */
+        if (id_search->id_type == SCSI_ID_VENDOR_SPECIFIC)
+                if (prepend_vendor_model(udev, dev_scsi, &serial[1]) < 0) {
+                        dbg(udev, "prepend failed\n");
+                        return 1;
+                }
+
+        i = 4; /* offset to the start of the identifier */
+        s = j = strlen(serial);
+        if ((page_83[0] & 0x0f) == SCSI_ID_ASCII) {
+                /*
+                 * ASCII descriptor.
+                 */
+                while (i < (4 + page_83[3]))
+                        serial[j++] = page_83[i++];
+        } else {
+                /*
+                 * Binary descriptor, convert to ASCII, using two bytes of
+                 * ASCII for each byte in the page_83.
+                 */
+                while (i < (4 + page_83[3])) {
+                        serial[j++] = hex_str[(page_83[i] & 0xf0) >> 4];
+                        serial[j++] = hex_str[page_83[i] & 0x0f];
+                        i++;
+                }
+        }
+
+        strcpy(serial_short, &serial[s]);
+
+        if (id_search->id_type == SCSI_ID_NAA && wwn != NULL) {
+                strncpy(wwn, &serial[s], 16);
+                if (wwn_vendor_extension != NULL) {
+                        strncpy(wwn_vendor_extension, &serial[s + 16], 16);
+                }
+        }
+
+        return 0;
 }
 
 /* Extract the raw binary from VPD 0x83 pre-SPC devices */
 static int check_fill_0x83_prespc3(struct udev *udev,
-				   struct scsi_id_device *dev_scsi,
-			           unsigned char *page_83,
-			           const struct scsi_id_search_values
-			           *id_search, char *serial, char *serial_short, int max_len)
+                                   struct scsi_id_device *dev_scsi,
+                                   unsigned char *page_83,
+                                   const struct scsi_id_search_values
+                                   *id_search, char *serial, char *serial_short, int max_len)
 {
-	int i, j;
-
-	dbg(udev, "using pre-spc3-83 for %s\n", dev_scsi->kernel);
-	serial[0] = hex_str[id_search->id_type];
-	/* serial has been memset to zero before */
-	j = strlen(serial);	/* j = 1; */
-
-	for (i = 0; (i < page_83[3]) && (j < max_len-3); ++i) {
-		serial[j++] = hex_str[(page_83[4+i] & 0xf0) >> 4];
-		serial[j++] = hex_str[ page_83[4+i] & 0x0f];
-	}
-	serial[max_len-1] = 0;
-	strncpy(serial_short, serial, max_len-1);
-	return 0;
+        int i, j;
+
+        dbg(udev, "using pre-spc3-83 for %s\n", dev_scsi->kernel);
+        serial[0] = hex_str[id_search->id_type];
+        /* serial has been memset to zero before */
+        j = strlen(serial);        /* j = 1; */
+
+        for (i = 0; (i < page_83[3]) && (j < max_len-3); ++i) {
+                serial[j++] = hex_str[(page_83[4+i] & 0xf0) >> 4];
+                serial[j++] = hex_str[ page_83[4+i] & 0x0f];
+        }
+        serial[max_len-1] = 0;
+        strncpy(serial_short, serial, max_len-1);
+        return 0;
 }
 
 
 /* Get device identification VPD page */
 static int do_scsi_page83_inquiry(struct udev *udev,
-				  struct scsi_id_device *dev_scsi, int fd,
-				  char *serial, char *serial_short, int len,
-				  char *unit_serial_number, char *wwn,
-				  char *wwn_vendor_extension, char *tgpt_group)
+                                  struct scsi_id_device *dev_scsi, int fd,
+                                  char *serial, char *serial_short, int len,
+                                  char *unit_serial_number, char *wwn,
+                                  char *wwn_vendor_extension, char *tgpt_group)
 {
-	int retval;
-	unsigned int id_ind, j;
-	unsigned char page_83[SCSI_INQ_BUFF_LEN];
+        int retval;
+        unsigned int id_ind, j;
+        unsigned char page_83[SCSI_INQ_BUFF_LEN];
 
-	/* also pick up the page 80 serial number */
+        /* also pick up the page 80 serial number */
         do_scsi_page80_inquiry(udev, dev_scsi, fd, NULL, unit_serial_number, MAX_SERIAL_LEN);
 
-	memset(page_83, 0, SCSI_INQ_BUFF_LEN);
-	retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_83, page_83,
-			      SCSI_INQ_BUFF_LEN);
-	if (retval < 0)
-		return 1;
-
-	if (page_83[1] != PAGE_83) {
-		info(udev, "%s: Invalid page 0x83\n", dev_scsi->kernel);
-		return 1;
-	}
-
-	/*
-	 * XXX Some devices (IBM 3542) return all spaces for an identifier if
-	 * the LUN is not actually configured. This leads to identifiers of
-	 * the form: "1            ".
-	 */
-
-	/*
-	 * Model 4, 5, and (some) model 6 EMC Symmetrix devices return
-	 * a page 83 reply according to SCSI-2 format instead of SPC-2/3.
-	 *
-	 * The SCSI-2 page 83 format returns an IEEE WWN in binary
-	 * encoded hexi-decimal in the 16 bytes following the initial
-	 * 4-byte page 83 reply header.
-	 *
-	 * Both the SPC-2 and SPC-3 formats return an IEEE WWN as part
-	 * of an Identification descriptor.  The 3rd byte of the first
-	 * Identification descriptor is a reserved (BSZ) byte field.
-	 *
-	 * Reference the 7th byte of the page 83 reply to determine
-	 * whether the reply is compliant with SCSI-2 or SPC-2/3
-	 * specifications.  A zero value in the 7th byte indicates
-	 * an SPC-2/3 conformant reply, (i.e., the reserved field of the
-	 * first Identification descriptor).  This byte will be non-zero
-	 * for a SCSI-2 conformant page 83 reply from these EMC
-	 * Symmetrix models since the 7th byte of the reply corresponds
-	 * to the 4th and 5th nibbles of the 6-byte OUI for EMC, that is,
-	 * 0x006048.
-	 */
-
-	if (page_83[6] != 0)
-		return check_fill_0x83_prespc3(udev,
-					       dev_scsi, page_83, id_search_list,
-					       serial, serial_short, len);
-
-	/*
-	 * Search for a match in the prioritized id_search_list - since WWN ids
+        memset(page_83, 0, SCSI_INQ_BUFF_LEN);
+        retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_83, page_83,
+                              SCSI_INQ_BUFF_LEN);
+        if (retval < 0)
+                return 1;
+
+        if (page_83[1] != PAGE_83) {
+                info(udev, "%s: Invalid page 0x83\n", dev_scsi->kernel);
+                return 1;
+        }
+
+        /*
+         * XXX Some devices (IBM 3542) return all spaces for an identifier if
+         * the LUN is not actually configured. This leads to identifiers of
+         * the form: "1            ".
+         */
+
+        /*
+         * Model 4, 5, and (some) model 6 EMC Symmetrix devices return
+         * a page 83 reply according to SCSI-2 format instead of SPC-2/3.
+         *
+         * The SCSI-2 page 83 format returns an IEEE WWN in binary
+         * encoded hexi-decimal in the 16 bytes following the initial
+         * 4-byte page 83 reply header.
+         *
+         * Both the SPC-2 and SPC-3 formats return an IEEE WWN as part
+         * of an Identification descriptor.  The 3rd byte of the first
+         * Identification descriptor is a reserved (BSZ) byte field.
+         *
+         * Reference the 7th byte of the page 83 reply to determine
+         * whether the reply is compliant with SCSI-2 or SPC-2/3
+         * specifications.  A zero value in the 7th byte indicates
+         * an SPC-2/3 conformant reply, (i.e., the reserved field of the
+         * first Identification descriptor).  This byte will be non-zero
+         * for a SCSI-2 conformant page 83 reply from these EMC
+         * Symmetrix models since the 7th byte of the reply corresponds
+         * to the 4th and 5th nibbles of the 6-byte OUI for EMC, that is,
+         * 0x006048.
+         */
+
+        if (page_83[6] != 0)
+                return check_fill_0x83_prespc3(udev,
+                                               dev_scsi, page_83, id_search_list,
+                                               serial, serial_short, len);
+
+        /*
+         * Search for a match in the prioritized id_search_list - since WWN ids
          * come first we can pick up the WWN in check_fill_0x83_id().
-	 */
-	for (id_ind = 0;
-	     id_ind < sizeof(id_search_list)/sizeof(id_search_list[0]);
-	     id_ind++) {
-		/*
-		 * Examine each descriptor returned. There is normally only
-		 * one or a small number of descriptors.
-		 */
-		for (j = 4; j <= (unsigned int)page_83[3] + 3; j += page_83[j + 3] + 4) {
-			retval = check_fill_0x83_id(udev,
-						    dev_scsi, &page_83[j],
-						    &id_search_list[id_ind],
-						    serial, serial_short, len,
-						    wwn, wwn_vendor_extension,
-						    tgpt_group);
-			dbg(udev, "%s id desc %d/%d/%d\n", dev_scsi->kernel,
-				id_search_list[id_ind].id_type,
-				id_search_list[id_ind].naa_type,
-				id_search_list[id_ind].code_set);
-			if (!retval) {
-				dbg(udev, "  used\n");
-				return retval;
-			} else if (retval < 0) {
-				dbg(udev, "  failed\n");
-				return retval;
-			} else {
-				dbg(udev, "  not used\n");
-			}
-		}
-	}
-	return 1;
+         */
+        for (id_ind = 0;
+             id_ind < sizeof(id_search_list)/sizeof(id_search_list[0]);
+             id_ind++) {
+                /*
+                 * Examine each descriptor returned. There is normally only
+                 * one or a small number of descriptors.
+                 */
+                for (j = 4; j <= (unsigned int)page_83[3] + 3; j += page_83[j + 3] + 4) {
+                        retval = check_fill_0x83_id(udev,
+                                                    dev_scsi, &page_83[j],
+                                                    &id_search_list[id_ind],
+                                                    serial, serial_short, len,
+                                                    wwn, wwn_vendor_extension,
+                                                    tgpt_group);
+                        dbg(udev, "%s id desc %d/%d/%d\n", dev_scsi->kernel,
+                                id_search_list[id_ind].id_type,
+                                id_search_list[id_ind].naa_type,
+                                id_search_list[id_ind].code_set);
+                        if (!retval) {
+                                dbg(udev, "  used\n");
+                                return retval;
+                        } else if (retval < 0) {
+                                dbg(udev, "  failed\n");
+                                return retval;
+                        } else {
+                                dbg(udev, "  not used\n");
+                        }
+                }
+        }
+        return 1;
 }
 
 /*
@@ -721,98 +721,98 @@ static int do_scsi_page83_inquiry(struct udev *udev,
  * conformant to the SCSI-2 format.
  */
 static int do_scsi_page83_prespc3_inquiry(struct udev *udev,
-					  struct scsi_id_device *dev_scsi, int fd,
-					  char *serial, char *serial_short, int len)
+                                          struct scsi_id_device *dev_scsi, int fd,
+                                          char *serial, char *serial_short, int len)
 {
-	int retval;
-	int i, j;
-	unsigned char page_83[SCSI_INQ_BUFF_LEN];
-
-	memset(page_83, 0, SCSI_INQ_BUFF_LEN);
-	retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_83, page_83, SCSI_INQ_BUFF_LEN);
-	if (retval < 0)
-		return 1;
-
-	if (page_83[1] != PAGE_83) {
-		info(udev, "%s: Invalid page 0x83\n", dev_scsi->kernel);
-		return 1;
-	}
-	/*
-	 * Model 4, 5, and (some) model 6 EMC Symmetrix devices return
-	 * a page 83 reply according to SCSI-2 format instead of SPC-2/3.
-	 *
-	 * The SCSI-2 page 83 format returns an IEEE WWN in binary
-	 * encoded hexi-decimal in the 16 bytes following the initial
-	 * 4-byte page 83 reply header.
-	 *
-	 * Both the SPC-2 and SPC-3 formats return an IEEE WWN as part
-	 * of an Identification descriptor.  The 3rd byte of the first
-	 * Identification descriptor is a reserved (BSZ) byte field.
-	 *
-	 * Reference the 7th byte of the page 83 reply to determine
-	 * whether the reply is compliant with SCSI-2 or SPC-2/3
-	 * specifications.  A zero value in the 7th byte indicates
-	 * an SPC-2/3 conformant reply, (i.e., the reserved field of the
-	 * first Identification descriptor).  This byte will be non-zero
-	 * for a SCSI-2 conformant page 83 reply from these EMC
-	 * Symmetrix models since the 7th byte of the reply corresponds
-	 * to the 4th and 5th nibbles of the 6-byte OUI for EMC, that is,
-	 * 0x006048.
-	 */
-	if (page_83[6] == 0)
-		return 2;
-
-	serial[0] = hex_str[id_search_list[0].id_type];
-	/*
-	 * The first four bytes contain data, not a descriptor.
-	 */
-	i = 4;
-	j = strlen(serial);
-	/*
-	 * Binary descriptor, convert to ASCII,
-	 * using two bytes of ASCII for each byte
-	 * in the page_83.
-	 */
-	while (i < (page_83[3]+4)) {
-		serial[j++] = hex_str[(page_83[i] & 0xf0) >> 4];
-		serial[j++] = hex_str[page_83[i] & 0x0f];
-		i++;
-	}
-	dbg(udev, "using pre-spc3-83 for %s\n", dev_scsi->kernel);
-	return 0;
+        int retval;
+        int i, j;
+        unsigned char page_83[SCSI_INQ_BUFF_LEN];
+
+        memset(page_83, 0, SCSI_INQ_BUFF_LEN);
+        retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_83, page_83, SCSI_INQ_BUFF_LEN);
+        if (retval < 0)
+                return 1;
+
+        if (page_83[1] != PAGE_83) {
+                info(udev, "%s: Invalid page 0x83\n", dev_scsi->kernel);
+                return 1;
+        }
+        /*
+         * Model 4, 5, and (some) model 6 EMC Symmetrix devices return
+         * a page 83 reply according to SCSI-2 format instead of SPC-2/3.
+         *
+         * The SCSI-2 page 83 format returns an IEEE WWN in binary
+         * encoded hexi-decimal in the 16 bytes following the initial
+         * 4-byte page 83 reply header.
+         *
+         * Both the SPC-2 and SPC-3 formats return an IEEE WWN as part
+         * of an Identification descriptor.  The 3rd byte of the first
+         * Identification descriptor is a reserved (BSZ) byte field.
+         *
+         * Reference the 7th byte of the page 83 reply to determine
+         * whether the reply is compliant with SCSI-2 or SPC-2/3
+         * specifications.  A zero value in the 7th byte indicates
+         * an SPC-2/3 conformant reply, (i.e., the reserved field of the
+         * first Identification descriptor).  This byte will be non-zero
+         * for a SCSI-2 conformant page 83 reply from these EMC
+         * Symmetrix models since the 7th byte of the reply corresponds
+         * to the 4th and 5th nibbles of the 6-byte OUI for EMC, that is,
+         * 0x006048.
+         */
+        if (page_83[6] == 0)
+                return 2;
+
+        serial[0] = hex_str[id_search_list[0].id_type];
+        /*
+         * The first four bytes contain data, not a descriptor.
+         */
+        i = 4;
+        j = strlen(serial);
+        /*
+         * Binary descriptor, convert to ASCII,
+         * using two bytes of ASCII for each byte
+         * in the page_83.
+         */
+        while (i < (page_83[3]+4)) {
+                serial[j++] = hex_str[(page_83[i] & 0xf0) >> 4];
+                serial[j++] = hex_str[page_83[i] & 0x0f];
+                i++;
+        }
+        dbg(udev, "using pre-spc3-83 for %s\n", dev_scsi->kernel);
+        return 0;
 }
 
 /* Get unit serial number VPD page */
 static int do_scsi_page80_inquiry(struct udev *udev,
-				  struct scsi_id_device *dev_scsi, int fd,
-				  char *serial, char *serial_short, int max_len)
+                                  struct scsi_id_device *dev_scsi, int fd,
+                                  char *serial, char *serial_short, int max_len)
 {
-	int retval;
-	int ser_ind;
-	int i;
-	int len;
-	unsigned char buf[SCSI_INQ_BUFF_LEN];
-
-	memset(buf, 0, SCSI_INQ_BUFF_LEN);
-	retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_80, buf, SCSI_INQ_BUFF_LEN);
-	if (retval < 0)
-		return retval;
-
-	if (buf[1] != PAGE_80) {
-		info(udev, "%s: Invalid page 0x80\n", dev_scsi->kernel);
-		return 1;
-	}
-
-	len = 1 + VENDOR_LENGTH + MODEL_LENGTH + buf[3];
-	if (max_len < len) {
-		info(udev, "%s: length %d too short - need %d\n",
-		     dev_scsi->kernel, max_len, len);
-		return 1;
-	}
-	/*
-	 * Prepend 'S' to avoid unlikely collision with page 0x83 vendor
-	 * specific type where we prepend '0' + vendor + model.
-	 */
+        int retval;
+        int ser_ind;
+        int i;
+        int len;
+        unsigned char buf[SCSI_INQ_BUFF_LEN];
+
+        memset(buf, 0, SCSI_INQ_BUFF_LEN);
+        retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_80, buf, SCSI_INQ_BUFF_LEN);
+        if (retval < 0)
+                return retval;
+
+        if (buf[1] != PAGE_80) {
+                info(udev, "%s: Invalid page 0x80\n", dev_scsi->kernel);
+                return 1;
+        }
+
+        len = 1 + VENDOR_LENGTH + MODEL_LENGTH + buf[3];
+        if (max_len < len) {
+                info(udev, "%s: length %d too short - need %d\n",
+                     dev_scsi->kernel, max_len, len);
+                return 1;
+        }
+        /*
+         * Prepend 'S' to avoid unlikely collision with page 0x83 vendor
+         * specific type where we prepend '0' + vendor + model.
+         */
         len = buf[3];
         if (serial != NULL) {
                 serial[0] = 'S';
@@ -826,165 +826,165 @@ static int do_scsi_page80_inquiry(struct udev *udev,
                 memcpy(serial_short, &buf[4], len);
                 serial_short[len] = '\0';
         }
-	return 0;
+        return 0;
 }
 
 int scsi_std_inquiry(struct udev *udev,
-		     struct scsi_id_device *dev_scsi, const char *devname)
+                     struct scsi_id_device *dev_scsi, const char *devname)
 {
-	int fd;
-	unsigned char buf[SCSI_INQ_BUFF_LEN];
-	struct stat statbuf;
-	int err = 0;
-
-	dbg(udev, "opening %s\n", devname);
-	fd = open(devname, O_RDONLY | O_NONBLOCK);
-	if (fd < 0) {
-		info(udev, "scsi_id: cannot open %s: %s\n",
-		     devname, strerror(errno));
-		return 1;
-	}
-
-	if (fstat(fd, &statbuf) < 0) {
-		info(udev, "scsi_id: cannot stat %s: %s\n",
-		     devname, strerror(errno));
-		err = 2;
-		goto out;
-	}
-	sprintf(dev_scsi->kernel,"%d:%d", major(statbuf.st_rdev),
-		minor(statbuf.st_rdev));
-
-	memset(buf, 0, SCSI_INQ_BUFF_LEN);
-	err = scsi_inquiry(udev, dev_scsi, fd, 0, 0, buf, SCSI_INQ_BUFF_LEN);
-	if (err < 0)
-		goto out;
-
-	err = 0;
-	memcpy(dev_scsi->vendor, buf + 8, 8);
-	dev_scsi->vendor[8] = '\0';
-	memcpy(dev_scsi->model, buf + 16, 16);
-	dev_scsi->model[16] = '\0';
-	memcpy(dev_scsi->revision, buf + 32, 4);
-	dev_scsi->revision[4] = '\0';
-	sprintf(dev_scsi->type,"%x", buf[0] & 0x1f);
+        int fd;
+        unsigned char buf[SCSI_INQ_BUFF_LEN];
+        struct stat statbuf;
+        int err = 0;
+
+        dbg(udev, "opening %s\n", devname);
+        fd = open(devname, O_RDONLY | O_NONBLOCK);
+        if (fd < 0) {
+                info(udev, "scsi_id: cannot open %s: %s\n",
+                     devname, strerror(errno));
+                return 1;
+        }
+
+        if (fstat(fd, &statbuf) < 0) {
+                info(udev, "scsi_id: cannot stat %s: %s\n",
+                     devname, strerror(errno));
+                err = 2;
+                goto out;
+        }
+        sprintf(dev_scsi->kernel,"%d:%d", major(statbuf.st_rdev),
+                minor(statbuf.st_rdev));
+
+        memset(buf, 0, SCSI_INQ_BUFF_LEN);
+        err = scsi_inquiry(udev, dev_scsi, fd, 0, 0, buf, SCSI_INQ_BUFF_LEN);
+        if (err < 0)
+                goto out;
+
+        err = 0;
+        memcpy(dev_scsi->vendor, buf + 8, 8);
+        dev_scsi->vendor[8] = '\0';
+        memcpy(dev_scsi->model, buf + 16, 16);
+        dev_scsi->model[16] = '\0';
+        memcpy(dev_scsi->revision, buf + 32, 4);
+        dev_scsi->revision[4] = '\0';
+        sprintf(dev_scsi->type,"%x", buf[0] & 0x1f);
 
 out:
-	close(fd);
-	return err;
+        close(fd);
+        return err;
 }
 
 int scsi_get_serial(struct udev *udev,
-		    struct scsi_id_device *dev_scsi, const char *devname,
-		    int page_code, int len)
+                    struct scsi_id_device *dev_scsi, const char *devname,
+                    int page_code, int len)
 {
-	unsigned char page0[SCSI_INQ_BUFF_LEN];
-	int fd = -1;
-	int cnt;
-	int ind;
-	int retval;
-
-	memset(dev_scsi->serial, 0, len);
-	dbg(udev, "opening %s\n", devname);
-	srand((unsigned int)getpid());
-	for (cnt = 20; cnt > 0; cnt--) {
-		struct timespec duration;
-
-		fd = open(devname, O_RDONLY | O_NONBLOCK);
-		if (fd >= 0 || errno != EBUSY)
-			break;
-		duration.tv_sec = 0;
-		duration.tv_nsec = (200 * 1000 * 1000) + (rand() % 100 * 1000 * 1000);
-		nanosleep(&duration, NULL);
-	}
-	if (fd < 0)
-		return 1;
-
-	if (page_code == PAGE_80) {
-		if (do_scsi_page80_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len)) {
-			retval = 1;
-			goto completed;
-		} else  {
-			retval = 0;
-			goto completed;
-		}
-	} else if (page_code == PAGE_83) {
-		if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) {
-			retval = 1;
-			goto completed;
-		} else  {
-			retval = 0;
-			goto completed;
-		}
-	} else if (page_code == PAGE_83_PRE_SPC3) {
-		retval = do_scsi_page83_prespc3_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len);
-		if (retval) {
-			/*
-			 * Fallback to servicing a SPC-2/3 compliant page 83
-			 * inquiry if the page 83 reply format does not
-			 * conform to pre-SPC3 expectations.
-			 */
-			if (retval == 2) {
-				if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) {
-					retval = 1;
-					goto completed;
-				} else  {
-					retval = 0;
-					goto completed;
-				}
-			}
-			else {
-				retval = 1;
-				goto completed;
-			}
-		} else  {
-			retval = 0;
-			goto completed;
-		}
-	} else if (page_code != 0x00) {
-		info(udev, "%s: unsupported page code 0x%d\n", dev_scsi->kernel, page_code);
-		return 1;
-	}
-
-	/*
-	 * Get page 0, the page of the pages. By default, try from best to
-	 * worst of supported pages: 0x83 then 0x80.
-	 */
-	if (do_scsi_page0_inquiry(udev, dev_scsi, fd, page0, SCSI_INQ_BUFF_LEN)) {
-		/*
-		 * Don't try anything else. Black list if a specific page
-		 * should be used for this vendor+model, or maybe have an
-		 * optional fall-back to page 0x80 or page 0x83.
-		 */
-		retval = 1;
-		goto completed;
-	}
-
-	dbg(udev, "%s: Checking page0\n", dev_scsi->kernel);
-
-	for (ind = 4; ind <= page0[3] + 3; ind++)
-		if (page0[ind] == PAGE_83)
-			if (!do_scsi_page83_inquiry(udev, dev_scsi, fd,
-						    dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) {
-				/*
-				 * Success
-				 */
-				retval = 0;
-				goto completed;
-			}
-
-	for (ind = 4; ind <= page0[3] + 3; ind++)
-		if (page0[ind] == PAGE_80)
-			if (!do_scsi_page80_inquiry(udev, dev_scsi, fd,
-						    dev_scsi->serial, dev_scsi->serial_short, len)) {
-				/*
-				 * Success
-				 */
-				retval = 0;
-				goto completed;
-			}
-	retval = 1;
+        unsigned char page0[SCSI_INQ_BUFF_LEN];
+        int fd = -1;
+        int cnt;
+        int ind;
+        int retval;
+
+        memset(dev_scsi->serial, 0, len);
+        dbg(udev, "opening %s\n", devname);
+        srand((unsigned int)getpid());
+        for (cnt = 20; cnt > 0; cnt--) {
+                struct timespec duration;
+
+                fd = open(devname, O_RDONLY | O_NONBLOCK);
+                if (fd >= 0 || errno != EBUSY)
+                        break;
+                duration.tv_sec = 0;
+                duration.tv_nsec = (200 * 1000 * 1000) + (rand() % 100 * 1000 * 1000);
+                nanosleep(&duration, NULL);
+        }
+        if (fd < 0)
+                return 1;
+
+        if (page_code == PAGE_80) {
+                if (do_scsi_page80_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len)) {
+                        retval = 1;
+                        goto completed;
+                } else  {
+                        retval = 0;
+                        goto completed;
+                }
+        } else if (page_code == PAGE_83) {
+                if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) {
+                        retval = 1;
+                        goto completed;
+                } else  {
+                        retval = 0;
+                        goto completed;
+                }
+        } else if (page_code == PAGE_83_PRE_SPC3) {
+                retval = do_scsi_page83_prespc3_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len);
+                if (retval) {
+                        /*
+                         * Fallback to servicing a SPC-2/3 compliant page 83
+                         * inquiry if the page 83 reply format does not
+                         * conform to pre-SPC3 expectations.
+                         */
+                        if (retval == 2) {
+                                if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) {
+                                        retval = 1;
+                                        goto completed;
+                                } else  {
+                                        retval = 0;
+                                        goto completed;
+                                }
+                        }
+                        else {
+                                retval = 1;
+                                goto completed;
+                        }
+                } else  {
+                        retval = 0;
+                        goto completed;
+                }
+        } else if (page_code != 0x00) {
+                info(udev, "%s: unsupported page code 0x%d\n", dev_scsi->kernel, page_code);
+                return 1;
+        }
+
+        /*
+         * Get page 0, the page of the pages. By default, try from best to
+         * worst of supported pages: 0x83 then 0x80.
+         */
+        if (do_scsi_page0_inquiry(udev, dev_scsi, fd, page0, SCSI_INQ_BUFF_LEN)) {
+                /*
+                 * Don't try anything else. Black list if a specific page
+                 * should be used for this vendor+model, or maybe have an
+                 * optional fall-back to page 0x80 or page 0x83.
+                 */
+                retval = 1;
+                goto completed;
+        }
+
+        dbg(udev, "%s: Checking page0\n", dev_scsi->kernel);
+
+        for (ind = 4; ind <= page0[3] + 3; ind++)
+                if (page0[ind] == PAGE_83)
+                        if (!do_scsi_page83_inquiry(udev, dev_scsi, fd,
+                                                    dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension, dev_scsi->tgpt_group)) {
+                                /*
+                                 * Success
+                                 */
+                                retval = 0;
+                                goto completed;
+                        }
+
+        for (ind = 4; ind <= page0[3] + 3; ind++)
+                if (page0[ind] == PAGE_80)
+                        if (!do_scsi_page80_inquiry(udev, dev_scsi, fd,
+                                                    dev_scsi->serial, dev_scsi->serial_short, len)) {
+                                /*
+                                 * Success
+                                 */
+                                retval = 0;
+                                goto completed;
+                        }
+        retval = 1;
 
 completed:
-	close(fd);
-	return retval;
+        close(fd);
+        return retval;
 }
diff --git a/src/extras/udev-acl/udev-acl.c b/src/extras/udev-acl/udev-acl.c
index 41e2536e..628cfbed 100644
--- a/src/extras/udev-acl/udev-acl.c
+++ b/src/extras/udev-acl/udev-acl.c
@@ -28,403 +28,403 @@
 static int debug;
 
 enum{
-	ACTION_NONE = 0,
-	ACTION_REMOVE,
-	ACTION_ADD,
-	ACTION_CHANGE
+        ACTION_NONE = 0,
+        ACTION_REMOVE,
+        ACTION_ADD,
+        ACTION_CHANGE
 };
 
 static int set_facl(const char* filename, uid_t uid, int add)
 {
-	int get;
-	acl_t acl;
-	acl_entry_t entry = NULL;
-	acl_entry_t e;
-	acl_permset_t permset;
-	int ret;
-
-	/* don't touch ACLs for root */
-	if (uid == 0)
-		return 0;
-
-	/* read current record */
-	acl = acl_get_file(filename, ACL_TYPE_ACCESS);
-	if (!acl)
-		return -1;
-
-	/* locate ACL_USER entry for uid */
-	get = acl_get_entry(acl, ACL_FIRST_ENTRY, &e);
-	while (get == 1) {
-		acl_tag_t t;
-
-		acl_get_tag_type(e, &t);
-		if (t == ACL_USER) {
-			uid_t *u;
-
-			u = (uid_t*)acl_get_qualifier(e);
-			if (u == NULL) {
-				ret = -1;
-				goto out;
-			}
-			if (*u == uid) {
-				entry = e;
-				acl_free(u);
-				break;
-			}
-			acl_free(u);
-		}
-
-		get = acl_get_entry(acl, ACL_NEXT_ENTRY, &e);
-	}
-
-	/* remove ACL_USER entry for uid */
-	if (!add) {
-		if (entry == NULL) {
-			ret = 0;
-			goto out;
-		}
-		acl_delete_entry(acl, entry);
-		goto update;
-	}
-
-	/* create ACL_USER entry for uid */
-	if (entry == NULL) {
-		ret = acl_create_entry(&acl, &entry);
-		if (ret != 0)
-			goto out;
-		acl_set_tag_type(entry, ACL_USER);
-		acl_set_qualifier(entry, &uid);
-	}
-
-	/* add permissions for uid */
-	acl_get_permset(entry, &permset);
-	acl_add_perm(permset, ACL_READ|ACL_WRITE);
+        int get;
+        acl_t acl;
+        acl_entry_t entry = NULL;
+        acl_entry_t e;
+        acl_permset_t permset;
+        int ret;
+
+        /* don't touch ACLs for root */
+        if (uid == 0)
+                return 0;
+
+        /* read current record */
+        acl = acl_get_file(filename, ACL_TYPE_ACCESS);
+        if (!acl)
+                return -1;
+
+        /* locate ACL_USER entry for uid */
+        get = acl_get_entry(acl, ACL_FIRST_ENTRY, &e);
+        while (get == 1) {
+                acl_tag_t t;
+
+                acl_get_tag_type(e, &t);
+                if (t == ACL_USER) {
+                        uid_t *u;
+
+                        u = (uid_t*)acl_get_qualifier(e);
+                        if (u == NULL) {
+                                ret = -1;
+                                goto out;
+                        }
+                        if (*u == uid) {
+                                entry = e;
+                                acl_free(u);
+                                break;
+                        }
+                        acl_free(u);
+                }
+
+                get = acl_get_entry(acl, ACL_NEXT_ENTRY, &e);
+        }
+
+        /* remove ACL_USER entry for uid */
+        if (!add) {
+                if (entry == NULL) {
+                        ret = 0;
+                        goto out;
+                }
+                acl_delete_entry(acl, entry);
+                goto update;
+        }
+
+        /* create ACL_USER entry for uid */
+        if (entry == NULL) {
+                ret = acl_create_entry(&acl, &entry);
+                if (ret != 0)
+                        goto out;
+                acl_set_tag_type(entry, ACL_USER);
+                acl_set_qualifier(entry, &uid);
+        }
+
+        /* add permissions for uid */
+        acl_get_permset(entry, &permset);
+        acl_add_perm(permset, ACL_READ|ACL_WRITE);
 update:
-	/* update record */
-	if (debug)
-		printf("%c%u %s\n", add ? '+' : '-', uid, filename);
-	acl_calc_mask(&acl);
-	ret = acl_set_file(filename, ACL_TYPE_ACCESS, acl);
-	if (ret != 0)
-		goto out;
+        /* update record */
+        if (debug)
+                printf("%c%u %s\n", add ? '+' : '-', uid, filename);
+        acl_calc_mask(&acl);
+        ret = acl_set_file(filename, ACL_TYPE_ACCESS, acl);
+        if (ret != 0)
+                goto out;
 out:
-	acl_free(acl);
-	return ret;
+        acl_free(acl);
+        return ret;
 }
 
 /* check if a given uid is listed */
 static int uid_in_list(GSList *list, uid_t uid)
 {
-	GSList *l;
+        GSList *l;
 
-	for (l = list; l != NULL; l = g_slist_next(l))
-		if (uid == GPOINTER_TO_UINT(l->data))
-			return 1;
-	return 0;
+        for (l = list; l != NULL; l = g_slist_next(l))
+                if (uid == GPOINTER_TO_UINT(l->data))
+                        return 1;
+        return 0;
 }
 
 /* return list of current uids of local active sessions */
 static GSList *uids_with_local_active_session(const char *own_id)
 {
-	GSList *list = NULL;
-	GKeyFile *keyfile;
-
-	keyfile = g_key_file_new();
-	if (g_key_file_load_from_file(keyfile, "/var/run/ConsoleKit/database", 0, NULL)) {
-		gchar **groups;
-
-		groups = g_key_file_get_groups(keyfile, NULL);
-		if (groups != NULL) {
-			int i;
-
-			for (i = 0; groups[i] != NULL; i++) {
-				uid_t u;
-
-				if (!g_str_has_prefix(groups[i], "Session "))
-					continue;
-				if (own_id != NULL &&g_str_has_suffix(groups[i], own_id))
-					continue;
-				if (!g_key_file_get_boolean(keyfile, groups[i], "is_local", NULL))
-					continue;
-				if (!g_key_file_get_boolean(keyfile, groups[i], "is_active", NULL))
-					continue;
-				u = g_key_file_get_integer(keyfile, groups[i], "uid", NULL);
-				if (u > 0 && !uid_in_list(list, u))
-					list = g_slist_prepend(list, GUINT_TO_POINTER(u));
-			}
-			g_strfreev(groups);
-		}
-	}
-	g_key_file_free(keyfile);
-
-	return list;
+        GSList *list = NULL;
+        GKeyFile *keyfile;
+
+        keyfile = g_key_file_new();
+        if (g_key_file_load_from_file(keyfile, "/var/run/ConsoleKit/database", 0, NULL)) {
+                gchar **groups;
+
+                groups = g_key_file_get_groups(keyfile, NULL);
+                if (groups != NULL) {
+                        int i;
+
+                        for (i = 0; groups[i] != NULL; i++) {
+                                uid_t u;
+
+                                if (!g_str_has_prefix(groups[i], "Session "))
+                                        continue;
+                                if (own_id != NULL &&g_str_has_suffix(groups[i], own_id))
+                                        continue;
+                                if (!g_key_file_get_boolean(keyfile, groups[i], "is_local", NULL))
+                                        continue;
+                                if (!g_key_file_get_boolean(keyfile, groups[i], "is_active", NULL))
+                                        continue;
+                                u = g_key_file_get_integer(keyfile, groups[i], "uid", NULL);
+                                if (u > 0 && !uid_in_list(list, u))
+                                        list = g_slist_prepend(list, GUINT_TO_POINTER(u));
+                        }
+                        g_strfreev(groups);
+                }
+        }
+        g_key_file_free(keyfile);
+
+        return list;
 }
 
 /* ConsoleKit calls us with special variables */
 static int consolekit_called(const char *ck_action, uid_t *uid, uid_t *uid2, const char **remove_session_id, int *action)
 {
-	int a = ACTION_NONE;
-	uid_t u = 0;
-	uid_t u2 = 0;
-	const char *s;
-	const char *s2;
-	const char *old_session = NULL;
-
-	if (ck_action == NULL || strcmp(ck_action, "seat_active_session_changed") != 0)
-		return -1;
-
-	/* We can have one of: remove, add, change, no-change */
-	s = getenv("CK_SEAT_OLD_SESSION_ID");
-	s2 = getenv("CK_SEAT_SESSION_ID");
-	if (s == NULL && s2 == NULL) {
-		return -1;
-	} else if (s2 == NULL) {
-		a = ACTION_REMOVE;
-	} else if (s == NULL) {
-		a = ACTION_ADD;
-	} else {
-		a = ACTION_CHANGE;
-	}
-
-	switch (a) {
-	case ACTION_ADD:
-		s = getenv("CK_SEAT_SESSION_USER_UID");
-		if (s == NULL)
-			return -1;
-		u = strtoul(s, NULL, 10);
-
-		s = getenv("CK_SEAT_SESSION_IS_LOCAL");
-		if (s == NULL)
-			return -1;
-		if (strcmp(s, "true") != 0)
-			return 0;
-
-		break;
-	case ACTION_REMOVE:
-		s = getenv("CK_SEAT_OLD_SESSION_USER_UID");
-		if (s == NULL)
-			return -1;
-		u = strtoul(s, NULL, 10);
-
-		s = getenv("CK_SEAT_OLD_SESSION_IS_LOCAL");
-		if (s == NULL)
-			return -1;
-		if (strcmp(s, "true") != 0)
-			return 0;
-
-		old_session = getenv("CK_SEAT_OLD_SESSION_ID");
-		if (old_session == NULL)
-			return -1;
-
-		break;
-	case ACTION_CHANGE:
-		s = getenv("CK_SEAT_OLD_SESSION_USER_UID");
-		if (s == NULL)
-			return -1;
-		u = strtoul(s, NULL, 10);
-		s = getenv("CK_SEAT_SESSION_USER_UID");
-		if (s == NULL)
-			return -1;
-		u2 = strtoul(s, NULL, 10);
-
-		s = getenv("CK_SEAT_OLD_SESSION_IS_LOCAL");
-		s2 = getenv("CK_SEAT_SESSION_IS_LOCAL");
-		if (s == NULL || s2 == NULL)
-			return -1;
-		/* don't process non-local session changes */
-		if (strcmp(s, "true") != 0 && strcmp(s2, "true") != 0)
-			return 0;
-
-		if (strcmp(s, "true") == 0 && strcmp(s, "true") == 0) {
-			/* process the change */
-			if (u == u2) {
-				/* special case: we noop if we are
-				 * changing between local sessions for
-				 * the same uid */
-				a = ACTION_NONE;
-			}
-			old_session = getenv("CK_SEAT_OLD_SESSION_ID");
-			if (old_session == NULL)
-				return -1;
-		} else if (strcmp(s, "true") == 0) {
-			/* only process the removal */
-			a = ACTION_REMOVE;
-			old_session = getenv("CK_SEAT_OLD_SESSION_ID");
-			if (old_session == NULL)
-				return -1;
-		} else if (strcmp(s2, "true") == 0) {
-			/* only process the addition */
-			a = ACTION_ADD;
-			u = u2;
-		}
-		break;
-	}
-
-	*remove_session_id = old_session;
-	*uid = u;
-	*uid2 = u2;
-	*action = a;
-	return 0;
+        int a = ACTION_NONE;
+        uid_t u = 0;
+        uid_t u2 = 0;
+        const char *s;
+        const char *s2;
+        const char *old_session = NULL;
+
+        if (ck_action == NULL || strcmp(ck_action, "seat_active_session_changed") != 0)
+                return -1;
+
+        /* We can have one of: remove, add, change, no-change */
+        s = getenv("CK_SEAT_OLD_SESSION_ID");
+        s2 = getenv("CK_SEAT_SESSION_ID");
+        if (s == NULL && s2 == NULL) {
+                return -1;
+        } else if (s2 == NULL) {
+                a = ACTION_REMOVE;
+        } else if (s == NULL) {
+                a = ACTION_ADD;
+        } else {
+                a = ACTION_CHANGE;
+        }
+
+        switch (a) {
+        case ACTION_ADD:
+                s = getenv("CK_SEAT_SESSION_USER_UID");
+                if (s == NULL)
+                        return -1;
+                u = strtoul(s, NULL, 10);
+
+                s = getenv("CK_SEAT_SESSION_IS_LOCAL");
+                if (s == NULL)
+                        return -1;
+                if (strcmp(s, "true") != 0)
+                        return 0;
+
+                break;
+        case ACTION_REMOVE:
+                s = getenv("CK_SEAT_OLD_SESSION_USER_UID");
+                if (s == NULL)
+                        return -1;
+                u = strtoul(s, NULL, 10);
+
+                s = getenv("CK_SEAT_OLD_SESSION_IS_LOCAL");
+                if (s == NULL)
+                        return -1;
+                if (strcmp(s, "true") != 0)
+                        return 0;
+
+                old_session = getenv("CK_SEAT_OLD_SESSION_ID");
+                if (old_session == NULL)
+                        return -1;
+
+                break;
+        case ACTION_CHANGE:
+                s = getenv("CK_SEAT_OLD_SESSION_USER_UID");
+                if (s == NULL)
+                        return -1;
+                u = strtoul(s, NULL, 10);
+                s = getenv("CK_SEAT_SESSION_USER_UID");
+                if (s == NULL)
+                        return -1;
+                u2 = strtoul(s, NULL, 10);
+
+                s = getenv("CK_SEAT_OLD_SESSION_IS_LOCAL");
+                s2 = getenv("CK_SEAT_SESSION_IS_LOCAL");
+                if (s == NULL || s2 == NULL)
+                        return -1;
+                /* don't process non-local session changes */
+                if (strcmp(s, "true") != 0 && strcmp(s2, "true") != 0)
+                        return 0;
+
+                if (strcmp(s, "true") == 0 && strcmp(s, "true") == 0) {
+                        /* process the change */
+                        if (u == u2) {
+                                /* special case: we noop if we are
+                                 * changing between local sessions for
+                                 * the same uid */
+                                a = ACTION_NONE;
+                        }
+                        old_session = getenv("CK_SEAT_OLD_SESSION_ID");
+                        if (old_session == NULL)
+                                return -1;
+                } else if (strcmp(s, "true") == 0) {
+                        /* only process the removal */
+                        a = ACTION_REMOVE;
+                        old_session = getenv("CK_SEAT_OLD_SESSION_ID");
+                        if (old_session == NULL)
+                                return -1;
+                } else if (strcmp(s2, "true") == 0) {
+                        /* only process the addition */
+                        a = ACTION_ADD;
+                        u = u2;
+                }
+                break;
+        }
+
+        *remove_session_id = old_session;
+        *uid = u;
+        *uid2 = u2;
+        *action = a;
+        return 0;
 }
 
 /* add or remove a ACL for a given uid from all matching devices */
 static void apply_acl_to_devices(uid_t uid, int add)
 {
-	struct udev *udev;
-	struct udev_enumerate *enumerate;
-	struct udev_list_entry *list_entry;
-
-	/* iterate over all devices tagged with ACL_SET */
-	udev = udev_new();
-	enumerate = udev_enumerate_new(udev);
-	udev_enumerate_add_match_tag(enumerate, "udev-acl");
-	udev_enumerate_scan_devices(enumerate);
-	udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
-		struct udev_device *device;
-		const char *node;
-
-		device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
-						      udev_list_entry_get_name(list_entry));
-		if (device == NULL)
-			continue;
-		node = udev_device_get_devnode(device);
-		if (node == NULL) {
-			udev_device_unref(device);
-			continue;
-		}
-		set_facl(node, uid, add);
-		udev_device_unref(device);
-	}
-	udev_enumerate_unref(enumerate);
-	udev_unref(udev);
+        struct udev *udev;
+        struct udev_enumerate *enumerate;
+        struct udev_list_entry *list_entry;
+
+        /* iterate over all devices tagged with ACL_SET */
+        udev = udev_new();
+        enumerate = udev_enumerate_new(udev);
+        udev_enumerate_add_match_tag(enumerate, "udev-acl");
+        udev_enumerate_scan_devices(enumerate);
+        udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
+                struct udev_device *device;
+                const char *node;
+
+                device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
+                                                      udev_list_entry_get_name(list_entry));
+                if (device == NULL)
+                        continue;
+                node = udev_device_get_devnode(device);
+                if (node == NULL) {
+                        udev_device_unref(device);
+                        continue;
+                }
+                set_facl(node, uid, add);
+                udev_device_unref(device);
+        }
+        udev_enumerate_unref(enumerate);
+        udev_unref(udev);
 }
 
 static void
 remove_uid (uid_t uid, const char *remove_session_id)
 {
-	/*
-	 * Remove ACL for given uid from all matching devices
-	 * when there is currently no local active session.
-	 */
-	GSList *list;
-
-	list = uids_with_local_active_session(remove_session_id);
-	if (!uid_in_list(list, uid))
-		apply_acl_to_devices(uid, 0);
-	g_slist_free(list);
+        /*
+         * Remove ACL for given uid from all matching devices
+         * when there is currently no local active session.
+         */
+        GSList *list;
+
+        list = uids_with_local_active_session(remove_session_id);
+        if (!uid_in_list(list, uid))
+                apply_acl_to_devices(uid, 0);
+        g_slist_free(list);
 }
 
 int main (int argc, char* argv[])
 {
-	static const struct option options[] = {
-		{ "action", required_argument, NULL, 'a' },
-		{ "device", required_argument, NULL, 'D' },
-		{ "user", required_argument, NULL, 'u' },
-		{ "debug", no_argument, NULL, 'd' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-	int action = -1;
-	const char *device = NULL;
-	bool uid_given = false;
-	uid_t uid = 0;
-	uid_t uid2 = 0;
-	const char* remove_session_id = NULL;
-	int rc = 0;
-
-	/* valgrind is more important to us than a slice allocator */
-	g_slice_set_config (G_SLICE_CONFIG_ALWAYS_MALLOC, 1);
-
-	while (1) {
-		int option;
-
-		option = getopt_long(argc, argv, "+a:D:u:dh", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'a':
-			if (strcmp(optarg, "remove") == 0)
-				action = ACTION_REMOVE;
-			else
-				action = ACTION_ADD;
-			break;
-		case 'D':
-			device = optarg;
-			break;
-		case 'u':
-			uid_given = true;
-			uid = strtoul(optarg, NULL, 10);
-			break;
-		case 'd':
-			debug = 1;
-			break;
-		case 'h':
-			printf("Usage: udev-acl --action=ACTION [--device=DEVICEFILE] [--user=UID]\n\n");
-			goto out;
-		}
-	}
-
-	if (action < 0 && device == NULL && !uid_given)
-		if (!consolekit_called(argv[optind], &uid, &uid2, &remove_session_id, &action))
-			uid_given = true;
-
-	if (action < 0) {
-		fprintf(stderr, "missing action\n\n");
-		rc = 2;
-		goto out;
-	}
-
-	if (device != NULL && uid_given) {
-		fprintf(stderr, "only one option, --device=DEVICEFILE or --user=UID expected\n\n");
-		rc = 3;
-		goto out;
-	}
-
-	if (uid_given) {
-		switch (action) {
-		case ACTION_ADD:
-			/* Add ACL for given uid to all matching devices. */
-			apply_acl_to_devices(uid, 1);
-			break;
-		case ACTION_REMOVE:
-			remove_uid(uid, remove_session_id);
-			break;
-		case ACTION_CHANGE:
-			remove_uid(uid, remove_session_id);
-			apply_acl_to_devices(uid2, 1);
-			break;
-		case ACTION_NONE:
-			goto out;
-			break;
-		default:
-			g_assert_not_reached();
-			break;
-		}
-	} else if (device != NULL) {
-		/*
-		 * Add ACLs for all current session uids to a given device.
-		 *
-		 * Or remove ACLs for uids which do not have any current local
-		 * active session. Remove is not really interesting, because in
-		 * most cases the device node is removed anyway.
-		 */
-		GSList *list;
-		GSList *l;
-
-		list = uids_with_local_active_session(NULL);
-		for (l = list; l != NULL; l = g_slist_next(l)) {
-			uid_t u;
-
-			u = GPOINTER_TO_UINT(l->data);
-			if (action == ACTION_ADD || !uid_in_list(list, u))
-				set_facl(device, u, action == ACTION_ADD);
-		}
-		g_slist_free(list);
-	} else {
-		fprintf(stderr, "--device=DEVICEFILE or --user=UID expected\n\n");
-		rc = 3;
-	}
+        static const struct option options[] = {
+                { "action", required_argument, NULL, 'a' },
+                { "device", required_argument, NULL, 'D' },
+                { "user", required_argument, NULL, 'u' },
+                { "debug", no_argument, NULL, 'd' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+        int action = -1;
+        const char *device = NULL;
+        bool uid_given = false;
+        uid_t uid = 0;
+        uid_t uid2 = 0;
+        const char* remove_session_id = NULL;
+        int rc = 0;
+
+        /* valgrind is more important to us than a slice allocator */
+        g_slice_set_config (G_SLICE_CONFIG_ALWAYS_MALLOC, 1);
+
+        while (1) {
+                int option;
+
+                option = getopt_long(argc, argv, "+a:D:u:dh", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'a':
+                        if (strcmp(optarg, "remove") == 0)
+                                action = ACTION_REMOVE;
+                        else
+                                action = ACTION_ADD;
+                        break;
+                case 'D':
+                        device = optarg;
+                        break;
+                case 'u':
+                        uid_given = true;
+                        uid = strtoul(optarg, NULL, 10);
+                        break;
+                case 'd':
+                        debug = 1;
+                        break;
+                case 'h':
+                        printf("Usage: udev-acl --action=ACTION [--device=DEVICEFILE] [--user=UID]\n\n");
+                        goto out;
+                }
+        }
+
+        if (action < 0 && device == NULL && !uid_given)
+                if (!consolekit_called(argv[optind], &uid, &uid2, &remove_session_id, &action))
+                        uid_given = true;
+
+        if (action < 0) {
+                fprintf(stderr, "missing action\n\n");
+                rc = 2;
+                goto out;
+        }
+
+        if (device != NULL && uid_given) {
+                fprintf(stderr, "only one option, --device=DEVICEFILE or --user=UID expected\n\n");
+                rc = 3;
+                goto out;
+        }
+
+        if (uid_given) {
+                switch (action) {
+                case ACTION_ADD:
+                        /* Add ACL for given uid to all matching devices. */
+                        apply_acl_to_devices(uid, 1);
+                        break;
+                case ACTION_REMOVE:
+                        remove_uid(uid, remove_session_id);
+                        break;
+                case ACTION_CHANGE:
+                        remove_uid(uid, remove_session_id);
+                        apply_acl_to_devices(uid2, 1);
+                        break;
+                case ACTION_NONE:
+                        goto out;
+                        break;
+                default:
+                        g_assert_not_reached();
+                        break;
+                }
+        } else if (device != NULL) {
+                /*
+                 * Add ACLs for all current session uids to a given device.
+                 *
+                 * Or remove ACLs for uids which do not have any current local
+                 * active session. Remove is not really interesting, because in
+                 * most cases the device node is removed anyway.
+                 */
+                GSList *list;
+                GSList *l;
+
+                list = uids_with_local_active_session(NULL);
+                for (l = list; l != NULL; l = g_slist_next(l)) {
+                        uid_t u;
+
+                        u = GPOINTER_TO_UINT(l->data);
+                        if (action == ACTION_ADD || !uid_in_list(list, u))
+                                set_facl(device, u, action == ACTION_ADD);
+                }
+                g_slist_free(list);
+        } else {
+                fprintf(stderr, "--device=DEVICEFILE or --user=UID expected\n\n");
+                rc = 3;
+        }
 out:
-	return rc;
+        return rc;
 }
diff --git a/src/extras/v4l_id/v4l_id.c b/src/extras/v4l_id/v4l_id.c
index 21cb3285..a2a80b5f 100644
--- a/src/extras/v4l_id/v4l_id.c
+++ b/src/extras/v4l_id/v4l_id.c
@@ -32,56 +32,56 @@
 
 int main (int argc, char *argv[])
 {
-	static const struct option options[] = {
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-	int fd;
-	char *device;
-	struct v4l2_capability v2cap;
+        static const struct option options[] = {
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+        int fd;
+        char *device;
+        struct v4l2_capability v2cap;
 
-	while (1) {
-		int option;
+        while (1) {
+                int option;
 
-		option = getopt_long(argc, argv, "h", options, NULL);
-		if (option == -1)
-			break;
+                option = getopt_long(argc, argv, "h", options, NULL);
+                if (option == -1)
+                        break;
 
-		switch (option) {
-		case 'h':
-			printf("Usage: v4l_id [--help] <device file>\n\n");
-			return 0;
-		default:
-			return 1;
-		}
-	}
-	device = argv[optind];
+                switch (option) {
+                case 'h':
+                        printf("Usage: v4l_id [--help] <device file>\n\n");
+                        return 0;
+                default:
+                        return 1;
+                }
+        }
+        device = argv[optind];
 
-	if (device == NULL)
-		return 2;
-	fd = open (device, O_RDONLY);
-	if (fd < 0)
-		return 3;
+        if (device == NULL)
+                return 2;
+        fd = open (device, O_RDONLY);
+        if (fd < 0)
+                return 3;
 
-	if (ioctl (fd, VIDIOC_QUERYCAP, &v2cap) == 0) {
-		printf("ID_V4L_VERSION=2\n");
-		printf("ID_V4L_PRODUCT=%s\n", v2cap.card);
-		printf("ID_V4L_CAPABILITIES=:");
-		if ((v2cap.capabilities & V4L2_CAP_VIDEO_CAPTURE) > 0)
-			printf("capture:");
-		if ((v2cap.capabilities & V4L2_CAP_VIDEO_OUTPUT) > 0)
-			printf("video_output:");
-		if ((v2cap.capabilities & V4L2_CAP_VIDEO_OVERLAY) > 0)
-			printf("video_overlay:");
-		if ((v2cap.capabilities & V4L2_CAP_AUDIO) > 0)
-			printf("audio:");
-		if ((v2cap.capabilities & V4L2_CAP_TUNER) > 0)
-			printf("tuner:");
-		if ((v2cap.capabilities & V4L2_CAP_RADIO) > 0)
-			printf("radio:");
-		printf("\n");
-	}
+        if (ioctl (fd, VIDIOC_QUERYCAP, &v2cap) == 0) {
+                printf("ID_V4L_VERSION=2\n");
+                printf("ID_V4L_PRODUCT=%s\n", v2cap.card);
+                printf("ID_V4L_CAPABILITIES=:");
+                if ((v2cap.capabilities & V4L2_CAP_VIDEO_CAPTURE) > 0)
+                        printf("capture:");
+                if ((v2cap.capabilities & V4L2_CAP_VIDEO_OUTPUT) > 0)
+                        printf("video_output:");
+                if ((v2cap.capabilities & V4L2_CAP_VIDEO_OVERLAY) > 0)
+                        printf("video_overlay:");
+                if ((v2cap.capabilities & V4L2_CAP_AUDIO) > 0)
+                        printf("audio:");
+                if ((v2cap.capabilities & V4L2_CAP_TUNER) > 0)
+                        printf("tuner:");
+                if ((v2cap.capabilities & V4L2_CAP_RADIO) > 0)
+                        printf("radio:");
+                printf("\n");
+        }
 
-	close (fd);
-	return 0;
+        close (fd);
+        return 0;
 }
diff --git a/src/libudev-device-private.c b/src/libudev-device-private.c
index 487d39bb..13fdb8eb 100644
--- a/src/libudev-device-private.c
+++ b/src/libudev-device-private.c
@@ -24,162 +24,162 @@
 
 static void udev_device_tag(struct udev_device *dev, const char *tag, bool add)
 {
-	const char *id;
-	struct udev *udev = udev_device_get_udev(dev);
-	char filename[UTIL_PATH_SIZE];
-
-	id = udev_device_get_id_filename(dev);
-	if (id == NULL)
-		return;
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags/", tag, "/", id, NULL);
-
-	if (add) {
-		int fd;
-
-		util_create_path(udev, filename);
-		fd = open(filename, O_WRONLY|O_CREAT|O_CLOEXEC|O_TRUNC|O_NOFOLLOW, 0444);
-		if (fd >= 0)
-			close(fd);
-	} else {
-		unlink(filename);
-	}
+        const char *id;
+        struct udev *udev = udev_device_get_udev(dev);
+        char filename[UTIL_PATH_SIZE];
+
+        id = udev_device_get_id_filename(dev);
+        if (id == NULL)
+                return;
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags/", tag, "/", id, NULL);
+
+        if (add) {
+                int fd;
+
+                util_create_path(udev, filename);
+                fd = open(filename, O_WRONLY|O_CREAT|O_CLOEXEC|O_TRUNC|O_NOFOLLOW, 0444);
+                if (fd >= 0)
+                        close(fd);
+        } else {
+                unlink(filename);
+        }
 }
 
 int udev_device_tag_index(struct udev_device *dev, struct udev_device *dev_old, bool add)
 {
-	struct udev_list_entry *list_entry;
-	bool found;
-
-	if (add && dev_old != NULL) {
-		/* delete possible left-over tags */
-		udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(dev_old)) {
-			const char *tag_old = udev_list_entry_get_name(list_entry);
-			struct udev_list_entry *list_entry_current;
-
-			found = false;
-			udev_list_entry_foreach(list_entry_current, udev_device_get_tags_list_entry(dev)) {
-				const char *tag = udev_list_entry_get_name(list_entry_current);
-
-				if (strcmp(tag, tag_old) == 0) {
-					found = true;
-					break;
-				}
-			}
-			if (!found)
-				udev_device_tag(dev_old, tag_old, false);
-		}
-	}
-
-	udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(dev))
-		udev_device_tag(dev, udev_list_entry_get_name(list_entry), add);
-
-	return 0;
+        struct udev_list_entry *list_entry;
+        bool found;
+
+        if (add && dev_old != NULL) {
+                /* delete possible left-over tags */
+                udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(dev_old)) {
+                        const char *tag_old = udev_list_entry_get_name(list_entry);
+                        struct udev_list_entry *list_entry_current;
+
+                        found = false;
+                        udev_list_entry_foreach(list_entry_current, udev_device_get_tags_list_entry(dev)) {
+                                const char *tag = udev_list_entry_get_name(list_entry_current);
+
+                                if (strcmp(tag, tag_old) == 0) {
+                                        found = true;
+                                        break;
+                                }
+                        }
+                        if (!found)
+                                udev_device_tag(dev_old, tag_old, false);
+                }
+        }
+
+        udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(dev))
+                udev_device_tag(dev, udev_list_entry_get_name(list_entry), add);
+
+        return 0;
 }
 
 static bool device_has_info(struct udev_device *udev_device)
 {
-	struct udev_list_entry *list_entry;
-
-	if (udev_device_get_devlinks_list_entry(udev_device) != NULL)
-		return true;
-	if (udev_device_get_devlink_priority(udev_device) != 0)
-		return true;
-	udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device))
-		if (udev_list_entry_get_num(list_entry))
-			return true;
-	if (udev_device_get_tags_list_entry(udev_device) != NULL)
-		return true;
-	if (udev_device_get_watch_handle(udev_device) >= 0)
-		return true;
-	return false;
+        struct udev_list_entry *list_entry;
+
+        if (udev_device_get_devlinks_list_entry(udev_device) != NULL)
+                return true;
+        if (udev_device_get_devlink_priority(udev_device) != 0)
+                return true;
+        udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device))
+                if (udev_list_entry_get_num(list_entry))
+                        return true;
+        if (udev_device_get_tags_list_entry(udev_device) != NULL)
+                return true;
+        if (udev_device_get_watch_handle(udev_device) >= 0)
+                return true;
+        return false;
 }
 
 int udev_device_update_db(struct udev_device *udev_device)
 {
-	bool has_info;
-	const char *id;
-	struct udev *udev = udev_device_get_udev(udev_device);
-	char filename[UTIL_PATH_SIZE];
-	char filename_tmp[UTIL_PATH_SIZE];
-	FILE *f;
-
-	id = udev_device_get_id_filename(udev_device);
-	if (id == NULL)
-		return -1;
-
-	has_info = device_has_info(udev_device);
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data/", id, NULL);
-
-	/* do not store anything for otherwise empty devices */
-	if (!has_info &&
-	    major(udev_device_get_devnum(udev_device)) == 0 &&
-	    udev_device_get_ifindex(udev_device) == 0) {
-		unlink(filename);
-		return 0;
-	}
-
-	/* write a database file */
-	util_strscpyl(filename_tmp, sizeof(filename_tmp), filename, ".tmp", NULL);
-	util_create_path(udev, filename_tmp);
-	f = fopen(filename_tmp, "we");
-	if (f == NULL) {
-		err(udev, "unable to create temporary db file '%s': %m\n", filename_tmp);
-		return -1;
-	}
-
-	/*
-	 * set 'sticky' bit to indicate that we should not clean the
-	 * database when we transition from initramfs to the real root
-	 */
-	if (udev_device_get_db_persist(udev_device))
-		fchmod(fileno(f), 01644);
-
-	if (has_info) {
-		struct udev_list_entry *list_entry;
-
-		if (major(udev_device_get_devnum(udev_device)) > 0) {
-			size_t devlen = strlen(udev_get_dev_path(udev))+1;
-
-			udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(udev_device))
-				fprintf(f, "S:%s\n", &udev_list_entry_get_name(list_entry)[devlen]);
-			if (udev_device_get_devlink_priority(udev_device) != 0)
-				fprintf(f, "L:%i\n", udev_device_get_devlink_priority(udev_device));
-			if (udev_device_get_watch_handle(udev_device) >= 0)
-				fprintf(f, "W:%i\n", udev_device_get_watch_handle(udev_device));
-		}
-
-		if (udev_device_get_usec_initialized(udev_device) > 0)
-			fprintf(f, "I:%llu\n", udev_device_get_usec_initialized(udev_device));
-
-		udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) {
-			if (!udev_list_entry_get_num(list_entry))
-				continue;
-			fprintf(f, "E:%s=%s\n",
-				udev_list_entry_get_name(list_entry),
-				udev_list_entry_get_value(list_entry));
-		}
-
-		udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device))
-			fprintf(f, "G:%s\n", udev_list_entry_get_name(list_entry));
-	}
-
-	fclose(f);
-	rename(filename_tmp, filename);
-	info(udev, "created %s file '%s' for '%s'\n", has_info ? "db" : "empty",
-	     filename, udev_device_get_devpath(udev_device));
-	return 0;
+        bool has_info;
+        const char *id;
+        struct udev *udev = udev_device_get_udev(udev_device);
+        char filename[UTIL_PATH_SIZE];
+        char filename_tmp[UTIL_PATH_SIZE];
+        FILE *f;
+
+        id = udev_device_get_id_filename(udev_device);
+        if (id == NULL)
+                return -1;
+
+        has_info = device_has_info(udev_device);
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data/", id, NULL);
+
+        /* do not store anything for otherwise empty devices */
+        if (!has_info &&
+            major(udev_device_get_devnum(udev_device)) == 0 &&
+            udev_device_get_ifindex(udev_device) == 0) {
+                unlink(filename);
+                return 0;
+        }
+
+        /* write a database file */
+        util_strscpyl(filename_tmp, sizeof(filename_tmp), filename, ".tmp", NULL);
+        util_create_path(udev, filename_tmp);
+        f = fopen(filename_tmp, "we");
+        if (f == NULL) {
+                err(udev, "unable to create temporary db file '%s': %m\n", filename_tmp);
+                return -1;
+        }
+
+        /*
+         * set 'sticky' bit to indicate that we should not clean the
+         * database when we transition from initramfs to the real root
+         */
+        if (udev_device_get_db_persist(udev_device))
+                fchmod(fileno(f), 01644);
+
+        if (has_info) {
+                struct udev_list_entry *list_entry;
+
+                if (major(udev_device_get_devnum(udev_device)) > 0) {
+                        size_t devlen = strlen(udev_get_dev_path(udev))+1;
+
+                        udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(udev_device))
+                                fprintf(f, "S:%s\n", &udev_list_entry_get_name(list_entry)[devlen]);
+                        if (udev_device_get_devlink_priority(udev_device) != 0)
+                                fprintf(f, "L:%i\n", udev_device_get_devlink_priority(udev_device));
+                        if (udev_device_get_watch_handle(udev_device) >= 0)
+                                fprintf(f, "W:%i\n", udev_device_get_watch_handle(udev_device));
+                }
+
+                if (udev_device_get_usec_initialized(udev_device) > 0)
+                        fprintf(f, "I:%llu\n", udev_device_get_usec_initialized(udev_device));
+
+                udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) {
+                        if (!udev_list_entry_get_num(list_entry))
+                                continue;
+                        fprintf(f, "E:%s=%s\n",
+                                udev_list_entry_get_name(list_entry),
+                                udev_list_entry_get_value(list_entry));
+                }
+
+                udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device))
+                        fprintf(f, "G:%s\n", udev_list_entry_get_name(list_entry));
+        }
+
+        fclose(f);
+        rename(filename_tmp, filename);
+        info(udev, "created %s file '%s' for '%s'\n", has_info ? "db" : "empty",
+             filename, udev_device_get_devpath(udev_device));
+        return 0;
 }
 
 int udev_device_delete_db(struct udev_device *udev_device)
 {
-	const char *id;
-	struct udev *udev = udev_device_get_udev(udev_device);
-	char filename[UTIL_PATH_SIZE];
-
-	id = udev_device_get_id_filename(udev_device);
-	if (id == NULL)
-		return -1;
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data/", id, NULL);
-	unlink(filename);
-	return 0;
+        const char *id;
+        struct udev *udev = udev_device_get_udev(udev_device);
+        char filename[UTIL_PATH_SIZE];
+
+        id = udev_device_get_id_filename(udev_device);
+        if (id == NULL)
+                return -1;
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data/", id, NULL);
+        unlink(filename);
+        return 0;
 }
diff --git a/src/libudev-device.c b/src/libudev-device.c
index e5950bb4..a3356cfd 100644
--- a/src/libudev-device.c
+++ b/src/libudev-device.c
@@ -44,49 +44,49 @@
  * Opaque object representing one kernel sys device.
  */
 struct udev_device {
-	struct udev *udev;
-	struct udev_device *parent_device;
-	char *syspath;
-	const char *devpath;
-	char *sysname;
-	const char *sysnum;
-	char *devnode;
-	mode_t devnode_mode;
-	char *subsystem;
-	char *devtype;
-	char *driver;
-	char *action;
-	char *devpath_old;
-	char *id_filename;
-	char **envp;
-	char *monitor_buf;
-	size_t monitor_buf_len;
-	struct udev_list devlinks_list;
-	struct udev_list properties_list;
-	struct udev_list sysattr_value_list;
-	struct udev_list sysattr_list;
-	struct udev_list tags_list;
-	unsigned long long int seqnum;
-	unsigned long long int usec_initialized;
-	int devlink_priority;
-	int refcount;
-	dev_t devnum;
-	int ifindex;
-	int watch_handle;
-	int maj, min;
-	bool parent_set;
-	bool subsystem_set;
-	bool devtype_set;
-	bool devlinks_uptodate;
-	bool envp_uptodate;
-	bool tags_uptodate;
-	bool driver_set;
-	bool info_loaded;
-	bool db_loaded;
-	bool uevent_loaded;
-	bool is_initialized;
-	bool sysattr_list_read;
-	bool db_persist;
+        struct udev *udev;
+        struct udev_device *parent_device;
+        char *syspath;
+        const char *devpath;
+        char *sysname;
+        const char *sysnum;
+        char *devnode;
+        mode_t devnode_mode;
+        char *subsystem;
+        char *devtype;
+        char *driver;
+        char *action;
+        char *devpath_old;
+        char *id_filename;
+        char **envp;
+        char *monitor_buf;
+        size_t monitor_buf_len;
+        struct udev_list devlinks_list;
+        struct udev_list properties_list;
+        struct udev_list sysattr_value_list;
+        struct udev_list sysattr_list;
+        struct udev_list tags_list;
+        unsigned long long int seqnum;
+        unsigned long long int usec_initialized;
+        int devlink_priority;
+        int refcount;
+        dev_t devnum;
+        int ifindex;
+        int watch_handle;
+        int maj, min;
+        bool parent_set;
+        bool subsystem_set;
+        bool devtype_set;
+        bool devlinks_uptodate;
+        bool envp_uptodate;
+        bool tags_uptodate;
+        bool driver_set;
+        bool info_loaded;
+        bool db_loaded;
+        bool uevent_loaded;
+        bool is_initialized;
+        bool sysattr_list_read;
+        bool db_persist;
 };
 
 /**
@@ -100,36 +100,36 @@ struct udev_device {
  **/
 UDEV_EXPORT unsigned long long int udev_device_get_seqnum(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return 0;
-	return udev_device->seqnum;
+        if (udev_device == NULL)
+                return 0;
+        return udev_device->seqnum;
 }
 
 static int udev_device_set_seqnum(struct udev_device *udev_device, unsigned long long int seqnum)
 {
-	char num[32];
+        char num[32];
 
-	udev_device->seqnum = seqnum;
-	snprintf(num, sizeof(num), "%llu", seqnum);
-	udev_device_add_property(udev_device, "SEQNUM", num);
-	return 0;
+        udev_device->seqnum = seqnum;
+        snprintf(num, sizeof(num), "%llu", seqnum);
+        udev_device_add_property(udev_device, "SEQNUM", num);
+        return 0;
 }
 
 int udev_device_get_ifindex(struct udev_device *udev_device)
 {
-	if (!udev_device->info_loaded)
-		udev_device_read_uevent_file(udev_device);
-	return udev_device->ifindex;
+        if (!udev_device->info_loaded)
+                udev_device_read_uevent_file(udev_device);
+        return udev_device->ifindex;
 }
 
 static int udev_device_set_ifindex(struct udev_device *udev_device, int ifindex)
 {
-	char num[32];
+        char num[32];
 
-	udev_device->ifindex = ifindex;
-	snprintf(num, sizeof(num), "%u", ifindex);
-	udev_device_add_property(udev_device, "IFINDEX", num);
-	return 0;
+        udev_device->ifindex = ifindex;
+        snprintf(num, sizeof(num), "%u", ifindex);
+        udev_device_add_property(udev_device, "IFINDEX", num);
+        return 0;
 }
 
 /**
@@ -140,45 +140,45 @@ static int udev_device_set_ifindex(struct udev_device *udev_device, int ifindex)
  **/
 UDEV_EXPORT dev_t udev_device_get_devnum(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return makedev(0, 0);
-	if (!udev_device->info_loaded)
-		udev_device_read_uevent_file(udev_device);
-	return udev_device->devnum;
+        if (udev_device == NULL)
+                return makedev(0, 0);
+        if (!udev_device->info_loaded)
+                udev_device_read_uevent_file(udev_device);
+        return udev_device->devnum;
 }
 
 static int udev_device_set_devnum(struct udev_device *udev_device, dev_t devnum)
 {
-	char num[32];
+        char num[32];
 
-	udev_device->devnum = devnum;
+        udev_device->devnum = devnum;
 
-	snprintf(num, sizeof(num), "%u", major(devnum));
-	udev_device_add_property(udev_device, "MAJOR", num);
-	snprintf(num, sizeof(num), "%u", minor(devnum));
-	udev_device_add_property(udev_device, "MINOR", num);
-	return 0;
+        snprintf(num, sizeof(num), "%u", major(devnum));
+        udev_device_add_property(udev_device, "MAJOR", num);
+        snprintf(num, sizeof(num), "%u", minor(devnum));
+        udev_device_add_property(udev_device, "MINOR", num);
+        return 0;
 }
 
 const char *udev_device_get_devpath_old(struct udev_device *udev_device)
 {
-	return udev_device->devpath_old;
+        return udev_device->devpath_old;
 }
 
 static int udev_device_set_devpath_old(struct udev_device *udev_device, const char *devpath_old)
 {
-	const char *pos;
+        const char *pos;
 
-	free(udev_device->devpath_old);
-	udev_device->devpath_old = strdup(devpath_old);
-	if (udev_device->devpath_old == NULL)
-		return -ENOMEM;
-	udev_device_add_property(udev_device, "DEVPATH_OLD", udev_device->devpath_old);
+        free(udev_device->devpath_old);
+        udev_device->devpath_old = strdup(devpath_old);
+        if (udev_device->devpath_old == NULL)
+                return -ENOMEM;
+        udev_device_add_property(udev_device, "DEVPATH_OLD", udev_device->devpath_old);
 
-	pos = strrchr(udev_device->devpath_old, '/');
-	if (pos == NULL)
-		return -EINVAL;
-	return 0;
+        pos = strrchr(udev_device->devpath_old, '/');
+        if (pos == NULL)
+                return -EINVAL;
+        return 0;
 }
 
 /**
@@ -189,27 +189,27 @@ static int udev_device_set_devpath_old(struct udev_device *udev_device, const ch
  **/
 UDEV_EXPORT const char *udev_device_get_driver(struct udev_device *udev_device)
 {
-	char driver[UTIL_NAME_SIZE];
+        char driver[UTIL_NAME_SIZE];
 
-	if (udev_device == NULL)
-		return NULL;
-	if (!udev_device->driver_set) {
-		udev_device->driver_set = true;
-		if (util_get_sys_core_link_value(udev_device->udev, "driver", udev_device->syspath, driver, sizeof(driver)) > 0)
-			udev_device->driver = strdup(driver);
-	}
-	return udev_device->driver;
+        if (udev_device == NULL)
+                return NULL;
+        if (!udev_device->driver_set) {
+                udev_device->driver_set = true;
+                if (util_get_sys_core_link_value(udev_device->udev, "driver", udev_device->syspath, driver, sizeof(driver)) > 0)
+                        udev_device->driver = strdup(driver);
+        }
+        return udev_device->driver;
 }
 
 static int udev_device_set_driver(struct udev_device *udev_device, const char *driver)
 {
-	free(udev_device->driver);
-	udev_device->driver = strdup(driver);
-	if (udev_device->driver == NULL)
-		return -ENOMEM;
-	udev_device->driver_set = true;
-	udev_device_add_property(udev_device, "DRIVER", udev_device->driver);
-	return 0;
+        free(udev_device->driver);
+        udev_device->driver = strdup(driver);
+        if (udev_device->driver == NULL)
+                return -ENOMEM;
+        udev_device->driver_set = true;
+        udev_device_add_property(udev_device, "DRIVER", udev_device->driver);
+        return 0;
 }
 
 /**
@@ -222,35 +222,35 @@ static int udev_device_set_driver(struct udev_device *udev_device, const char *d
  **/
 UDEV_EXPORT const char *udev_device_get_devtype(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return NULL;
-	if (!udev_device->devtype_set) {
-		udev_device->devtype_set = true;
-		udev_device_read_uevent_file(udev_device);
-	}
-	return udev_device->devtype;
+        if (udev_device == NULL)
+                return NULL;
+        if (!udev_device->devtype_set) {
+                udev_device->devtype_set = true;
+                udev_device_read_uevent_file(udev_device);
+        }
+        return udev_device->devtype;
 }
 
 static int udev_device_set_devtype(struct udev_device *udev_device, const char *devtype)
 {
-	free(udev_device->devtype);
-	udev_device->devtype = strdup(devtype);
-	if (udev_device->devtype == NULL)
-		return -ENOMEM;
-	udev_device->devtype_set = true;
-	udev_device_add_property(udev_device, "DEVTYPE", udev_device->devtype);
-	return 0;
+        free(udev_device->devtype);
+        udev_device->devtype = strdup(devtype);
+        if (udev_device->devtype == NULL)
+                return -ENOMEM;
+        udev_device->devtype_set = true;
+        udev_device_add_property(udev_device, "DEVTYPE", udev_device->devtype);
+        return 0;
 }
 
 static int udev_device_set_subsystem(struct udev_device *udev_device, const char *subsystem)
 {
-	free(udev_device->subsystem);
-	udev_device->subsystem = strdup(subsystem);
-	if (udev_device->subsystem == NULL)
-		return -ENOMEM;
-	udev_device->subsystem_set = true;
-	udev_device_add_property(udev_device, "SUBSYSTEM", udev_device->subsystem);
-	return 0;
+        free(udev_device->subsystem);
+        udev_device->subsystem = strdup(subsystem);
+        if (udev_device->subsystem == NULL)
+                return -ENOMEM;
+        udev_device->subsystem_set = true;
+        udev_device_add_property(udev_device, "SUBSYSTEM", udev_device->subsystem);
+        return 0;
 }
 
 /**
@@ -264,82 +264,82 @@ static int udev_device_set_subsystem(struct udev_device *udev_device, const char
  **/
 UDEV_EXPORT const char *udev_device_get_subsystem(struct udev_device *udev_device)
 {
-	char subsystem[UTIL_NAME_SIZE];
-
-	if (udev_device == NULL)
-		return NULL;
-	if (!udev_device->subsystem_set) {
-		udev_device->subsystem_set = true;
-		/* read "subsystem" link */
-		if (util_get_sys_core_link_value(udev_device->udev, "subsystem", udev_device->syspath, subsystem, sizeof(subsystem)) > 0) {
-			udev_device_set_subsystem(udev_device, subsystem);
-			return udev_device->subsystem;
-		}
-		/* implicit names */
-		if (strncmp(udev_device->devpath, "/module/", 8) == 0) {
-			udev_device_set_subsystem(udev_device, "module");
-			return udev_device->subsystem;
-		}
-		if (strstr(udev_device->devpath, "/drivers/") != NULL) {
-			udev_device_set_subsystem(udev_device, "drivers");
-			return udev_device->subsystem;
-		}
-		if (strncmp(udev_device->devpath, "/subsystem/", 11) == 0 ||
-		    strncmp(udev_device->devpath, "/class/", 7) == 0 ||
-		    strncmp(udev_device->devpath, "/bus/", 5) == 0) {
-			udev_device_set_subsystem(udev_device, "subsystem");
-			return udev_device->subsystem;
-		}
-	}
-	return udev_device->subsystem;
+        char subsystem[UTIL_NAME_SIZE];
+
+        if (udev_device == NULL)
+                return NULL;
+        if (!udev_device->subsystem_set) {
+                udev_device->subsystem_set = true;
+                /* read "subsystem" link */
+                if (util_get_sys_core_link_value(udev_device->udev, "subsystem", udev_device->syspath, subsystem, sizeof(subsystem)) > 0) {
+                        udev_device_set_subsystem(udev_device, subsystem);
+                        return udev_device->subsystem;
+                }
+                /* implicit names */
+                if (strncmp(udev_device->devpath, "/module/", 8) == 0) {
+                        udev_device_set_subsystem(udev_device, "module");
+                        return udev_device->subsystem;
+                }
+                if (strstr(udev_device->devpath, "/drivers/") != NULL) {
+                        udev_device_set_subsystem(udev_device, "drivers");
+                        return udev_device->subsystem;
+                }
+                if (strncmp(udev_device->devpath, "/subsystem/", 11) == 0 ||
+                    strncmp(udev_device->devpath, "/class/", 7) == 0 ||
+                    strncmp(udev_device->devpath, "/bus/", 5) == 0) {
+                        udev_device_set_subsystem(udev_device, "subsystem");
+                        return udev_device->subsystem;
+                }
+        }
+        return udev_device->subsystem;
 }
 
 mode_t udev_device_get_devnode_mode(struct udev_device *udev_device)
 {
-	if (!udev_device->info_loaded)
-		udev_device_read_uevent_file(udev_device);
-	return udev_device->devnode_mode;
+        if (!udev_device->info_loaded)
+                udev_device_read_uevent_file(udev_device);
+        return udev_device->devnode_mode;
 }
 
 static int udev_device_set_devnode_mode(struct udev_device *udev_device, mode_t mode)
 {
-	char num[32];
+        char num[32];
 
-	udev_device->devnode_mode = mode;
-	snprintf(num, sizeof(num), "%#o", mode);
-	udev_device_add_property(udev_device, "DEVMODE", num);
-	return 0;
+        udev_device->devnode_mode = mode;
+        snprintf(num, sizeof(num), "%#o", mode);
+        udev_device_add_property(udev_device, "DEVMODE", num);
+        return 0;
 }
 
 struct udev_list_entry *udev_device_add_property(struct udev_device *udev_device, const char *key, const char *value)
 {
-	udev_device->envp_uptodate = false;
-	if (value == NULL) {
-		struct udev_list_entry *list_entry;
+        udev_device->envp_uptodate = false;
+        if (value == NULL) {
+                struct udev_list_entry *list_entry;
 
-		list_entry = udev_device_get_properties_list_entry(udev_device);
-		list_entry = udev_list_entry_get_by_name(list_entry, key);
-		if (list_entry != NULL)
-			udev_list_entry_delete(list_entry);
-		return NULL;
-	}
-	return udev_list_entry_add(&udev_device->properties_list, key, value);
+                list_entry = udev_device_get_properties_list_entry(udev_device);
+                list_entry = udev_list_entry_get_by_name(list_entry, key);
+                if (list_entry != NULL)
+                        udev_list_entry_delete(list_entry);
+                return NULL;
+        }
+        return udev_list_entry_add(&udev_device->properties_list, key, value);
 }
 
 static struct udev_list_entry *udev_device_add_property_from_string(struct udev_device *udev_device, const char *property)
 {
-	char name[UTIL_LINE_SIZE];
-	char *val;
+        char name[UTIL_LINE_SIZE];
+        char *val;
 
-	util_strscpy(name, sizeof(name), property);
-	val = strchr(name, '=');
-	if (val == NULL)
-		return NULL;
-	val[0] = '\0';
-	val = &val[1];
-	if (val[0] == '\0')
-		val = NULL;
-	return udev_device_add_property(udev_device, name, val);
+        util_strscpy(name, sizeof(name), property);
+        val = strchr(name, '=');
+        if (val == NULL)
+                return NULL;
+        val[0] = '\0';
+        val = &val[1];
+        if (val[0] == '\0')
+                val = NULL;
+        return udev_device_add_property(udev_device, name, val);
 }
 
 /*
@@ -353,86 +353,86 @@ static struct udev_list_entry *udev_device_add_property_from_string(struct udev_
  */
 void udev_device_add_property_from_string_parse(struct udev_device *udev_device, const char *property)
 {
-	if (strncmp(property, "DEVPATH=", 8) == 0) {
-		char path[UTIL_PATH_SIZE];
-
-		util_strscpyl(path, sizeof(path), udev_get_sys_path(udev_device->udev), &property[8], NULL);
-		udev_device_set_syspath(udev_device, path);
-	} else if (strncmp(property, "SUBSYSTEM=", 10) == 0) {
-		udev_device_set_subsystem(udev_device, &property[10]);
-	} else if (strncmp(property, "DEVTYPE=", 8) == 0) {
-		udev_device_set_devtype(udev_device, &property[8]);
-	} else if (strncmp(property, "DEVNAME=", 8) == 0) {
-		udev_device_set_devnode(udev_device, &property[8]);
-	} else if (strncmp(property, "DEVLINKS=", 9) == 0) {
-		char devlinks[UTIL_PATH_SIZE];
-		char *slink;
-		char *next;
-
-		util_strscpy(devlinks, sizeof(devlinks), &property[9]);
-		slink = devlinks;
-		next = strchr(slink, ' ');
-		while (next != NULL) {
-			next[0] = '\0';
-			udev_device_add_devlink(udev_device, slink, 0);
-			slink = &next[1];
-			next = strchr(slink, ' ');
-		}
-		if (slink[0] != '\0')
-			udev_device_add_devlink(udev_device, slink, 0);
-	} else if (strncmp(property, "TAGS=", 5) == 0) {
-		char tags[UTIL_PATH_SIZE];
-		char *next;
-
-		util_strscpy(tags, sizeof(tags), &property[5]);
-		next = strchr(tags, ':');
-		if (next != NULL) {
-			next++;
-			while (next[0] != '\0') {
-				char *tag;
-
-				tag = next;
-				next = strchr(tag, ':');
-				if (next == NULL)
-					break;
-				next[0] = '\0';
-				next++;
-				udev_device_add_tag(udev_device, tag);
-			}
-		}
-	} else if (strncmp(property, "USEC_INITIALIZED=", 19) == 0) {
-		udev_device_set_usec_initialized(udev_device, strtoull(&property[19], NULL, 10));
-	} else if (strncmp(property, "DRIVER=", 7) == 0) {
-		udev_device_set_driver(udev_device, &property[7]);
-	} else if (strncmp(property, "ACTION=", 7) == 0) {
-		udev_device_set_action(udev_device, &property[7]);
-	} else if (strncmp(property, "MAJOR=", 6) == 0) {
-		udev_device->maj = strtoull(&property[6], NULL, 10);
-	} else if (strncmp(property, "MINOR=", 6) == 0) {
-		udev_device->min = strtoull(&property[6], NULL, 10);
-	} else if (strncmp(property, "DEVPATH_OLD=", 12) == 0) {
-		udev_device_set_devpath_old(udev_device, &property[12]);
-	} else if (strncmp(property, "SEQNUM=", 7) == 0) {
-		udev_device_set_seqnum(udev_device, strtoull(&property[7], NULL, 10));
-	} else if (strncmp(property, "IFINDEX=", 8) == 0) {
-		udev_device_set_ifindex(udev_device, strtoull(&property[8], NULL, 10));
-	} else if (strncmp(property, "DEVMODE=", 8) == 0) {
-		udev_device_set_devnode_mode(udev_device, strtoul(&property[8], NULL, 8));
-	} else {
-		udev_device_add_property_from_string(udev_device, property);
-	}
+        if (strncmp(property, "DEVPATH=", 8) == 0) {
+                char path[UTIL_PATH_SIZE];
+
+                util_strscpyl(path, sizeof(path), udev_get_sys_path(udev_device->udev), &property[8], NULL);
+                udev_device_set_syspath(udev_device, path);
+        } else if (strncmp(property, "SUBSYSTEM=", 10) == 0) {
+                udev_device_set_subsystem(udev_device, &property[10]);
+        } else if (strncmp(property, "DEVTYPE=", 8) == 0) {
+                udev_device_set_devtype(udev_device, &property[8]);
+        } else if (strncmp(property, "DEVNAME=", 8) == 0) {
+                udev_device_set_devnode(udev_device, &property[8]);
+        } else if (strncmp(property, "DEVLINKS=", 9) == 0) {
+                char devlinks[UTIL_PATH_SIZE];
+                char *slink;
+                char *next;
+
+                util_strscpy(devlinks, sizeof(devlinks), &property[9]);
+                slink = devlinks;
+                next = strchr(slink, ' ');
+                while (next != NULL) {
+                        next[0] = '\0';
+                        udev_device_add_devlink(udev_device, slink, 0);
+                        slink = &next[1];
+                        next = strchr(slink, ' ');
+                }
+                if (slink[0] != '\0')
+                        udev_device_add_devlink(udev_device, slink, 0);
+        } else if (strncmp(property, "TAGS=", 5) == 0) {
+                char tags[UTIL_PATH_SIZE];
+                char *next;
+
+                util_strscpy(tags, sizeof(tags), &property[5]);
+                next = strchr(tags, ':');
+                if (next != NULL) {
+                        next++;
+                        while (next[0] != '\0') {
+                                char *tag;
+
+                                tag = next;
+                                next = strchr(tag, ':');
+                                if (next == NULL)
+                                        break;
+                                next[0] = '\0';
+                                next++;
+                                udev_device_add_tag(udev_device, tag);
+                        }
+                }
+        } else if (strncmp(property, "USEC_INITIALIZED=", 19) == 0) {
+                udev_device_set_usec_initialized(udev_device, strtoull(&property[19], NULL, 10));
+        } else if (strncmp(property, "DRIVER=", 7) == 0) {
+                udev_device_set_driver(udev_device, &property[7]);
+        } else if (strncmp(property, "ACTION=", 7) == 0) {
+                udev_device_set_action(udev_device, &property[7]);
+        } else if (strncmp(property, "MAJOR=", 6) == 0) {
+                udev_device->maj = strtoull(&property[6], NULL, 10);
+        } else if (strncmp(property, "MINOR=", 6) == 0) {
+                udev_device->min = strtoull(&property[6], NULL, 10);
+        } else if (strncmp(property, "DEVPATH_OLD=", 12) == 0) {
+                udev_device_set_devpath_old(udev_device, &property[12]);
+        } else if (strncmp(property, "SEQNUM=", 7) == 0) {
+                udev_device_set_seqnum(udev_device, strtoull(&property[7], NULL, 10));
+        } else if (strncmp(property, "IFINDEX=", 8) == 0) {
+                udev_device_set_ifindex(udev_device, strtoull(&property[8], NULL, 10));
+        } else if (strncmp(property, "DEVMODE=", 8) == 0) {
+                udev_device_set_devnode_mode(udev_device, strtoul(&property[8], NULL, 8));
+        } else {
+                udev_device_add_property_from_string(udev_device, property);
+        }
 }
 
 int udev_device_add_property_from_string_parse_finish(struct udev_device *udev_device)
 {
-	if (udev_device->maj > 0)
-		udev_device_set_devnum(udev_device, makedev(udev_device->maj, udev_device->min));
-	udev_device->maj = 0;
-	udev_device->min = 0;
+        if (udev_device->maj > 0)
+                udev_device_set_devnum(udev_device, makedev(udev_device->maj, udev_device->min));
+        udev_device->maj = 0;
+        udev_device->min = 0;
 
-	if (udev_device->devpath == NULL || udev_device->subsystem == NULL)
-		return -EINVAL;
-	return 0;
+        if (udev_device->devpath == NULL || udev_device->subsystem == NULL)
+                return -EINVAL;
+        return 0;
 }
 
 /**
@@ -444,162 +444,162 @@ int udev_device_add_property_from_string_parse_finish(struct udev_device *udev_d
  **/
 UDEV_EXPORT const char *udev_device_get_property_value(struct udev_device *udev_device, const char *key)
 {
-	struct udev_list_entry *list_entry;
+        struct udev_list_entry *list_entry;
 
-	if (udev_device == NULL)
-		return NULL;
-	if (key == NULL)
-		return NULL;
+        if (udev_device == NULL)
+                return NULL;
+        if (key == NULL)
+                return NULL;
 
-	list_entry = udev_device_get_properties_list_entry(udev_device);
-	list_entry = udev_list_entry_get_by_name(list_entry, key);
-	return udev_list_entry_get_value(list_entry);
+        list_entry = udev_device_get_properties_list_entry(udev_device);
+        list_entry = udev_list_entry_get_by_name(list_entry, key);
+        return udev_list_entry_get_value(list_entry);
 }
 
 int udev_device_read_db(struct udev_device *udev_device, const char *dbfile)
 {
-	char filename[UTIL_PATH_SIZE];
-	char line[UTIL_LINE_SIZE];
-	FILE *f;
-
-	/* providing a database file will always force-load it */
-	if (dbfile == NULL) {
-		const char *id;
-
-		if (udev_device->db_loaded)
-			return 0;
-		udev_device->db_loaded = true;
-
-		id = udev_device_get_id_filename(udev_device);
-		if (id == NULL)
-			return -1;
-		util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_device->udev), "/data/", id, NULL);
-		dbfile = filename;
-	}
-
-	f = fopen(dbfile, "re");
-	if (f == NULL) {
-		info(udev_device->udev, "no db file to read %s: %m\n", dbfile);
-		return -1;
-	}
-	udev_device->is_initialized = true;
-
-	while (fgets(line, sizeof(line), f)) {
-		ssize_t len;
-		const char *val;
-		struct udev_list_entry *entry;
-
-		len = strlen(line);
-		if (len < 4)
-			break;
-		line[len-1] = '\0';
-		val = &line[2];
-		switch(line[0]) {
-		case 'S':
-			util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev_device->udev), "/", val, NULL);
-			udev_device_add_devlink(udev_device, filename, 0);
-			break;
-		case 'L':
-			udev_device_set_devlink_priority(udev_device, atoi(val));
-			break;
-		case 'E':
-			entry = udev_device_add_property_from_string(udev_device, val);
-			udev_list_entry_set_num(entry, true);
-			break;
-		case 'G':
-			udev_device_add_tag(udev_device, val);
-			break;
-		case 'W':
-			udev_device_set_watch_handle(udev_device, atoi(val));
-			break;
-		case 'I':
-			udev_device_set_usec_initialized(udev_device, strtoull(val, NULL, 10));
-			break;
-		}
-	}
-	fclose(f);
-
-	info(udev_device->udev, "device %p filled with db file data\n", udev_device);
-	return 0;
+        char filename[UTIL_PATH_SIZE];
+        char line[UTIL_LINE_SIZE];
+        FILE *f;
+
+        /* providing a database file will always force-load it */
+        if (dbfile == NULL) {
+                const char *id;
+
+                if (udev_device->db_loaded)
+                        return 0;
+                udev_device->db_loaded = true;
+
+                id = udev_device_get_id_filename(udev_device);
+                if (id == NULL)
+                        return -1;
+                util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_device->udev), "/data/", id, NULL);
+                dbfile = filename;
+        }
+
+        f = fopen(dbfile, "re");
+        if (f == NULL) {
+                info(udev_device->udev, "no db file to read %s: %m\n", dbfile);
+                return -1;
+        }
+        udev_device->is_initialized = true;
+
+        while (fgets(line, sizeof(line), f)) {
+                ssize_t len;
+                const char *val;
+                struct udev_list_entry *entry;
+
+                len = strlen(line);
+                if (len < 4)
+                        break;
+                line[len-1] = '\0';
+                val = &line[2];
+                switch(line[0]) {
+                case 'S':
+                        util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev_device->udev), "/", val, NULL);
+                        udev_device_add_devlink(udev_device, filename, 0);
+                        break;
+                case 'L':
+                        udev_device_set_devlink_priority(udev_device, atoi(val));
+                        break;
+                case 'E':
+                        entry = udev_device_add_property_from_string(udev_device, val);
+                        udev_list_entry_set_num(entry, true);
+                        break;
+                case 'G':
+                        udev_device_add_tag(udev_device, val);
+                        break;
+                case 'W':
+                        udev_device_set_watch_handle(udev_device, atoi(val));
+                        break;
+                case 'I':
+                        udev_device_set_usec_initialized(udev_device, strtoull(val, NULL, 10));
+                        break;
+                }
+        }
+        fclose(f);
+
+        info(udev_device->udev, "device %p filled with db file data\n", udev_device);
+        return 0;
 }
 
 int udev_device_read_uevent_file(struct udev_device *udev_device)
 {
-	char filename[UTIL_PATH_SIZE];
-	FILE *f;
-	char line[UTIL_LINE_SIZE];
-	int maj = 0;
-	int min = 0;
-
-	if (udev_device->uevent_loaded)
-		return 0;
-
-	util_strscpyl(filename, sizeof(filename), udev_device->syspath, "/uevent", NULL);
-	f = fopen(filename, "re");
-	if (f == NULL)
-		return -1;
-	udev_device->uevent_loaded = true;
-
-	while (fgets(line, sizeof(line), f)) {
-		char *pos;
-
-		pos = strchr(line, '\n');
-		if (pos == NULL)
-			continue;
-		pos[0] = '\0';
-
-		if (strncmp(line, "DEVTYPE=", 8) == 0)
-			udev_device_set_devtype(udev_device, &line[8]);
-		else if (strncmp(line, "MAJOR=", 6) == 0)
-			maj = strtoull(&line[6], NULL, 10);
-		else if (strncmp(line, "MINOR=", 6) == 0)
-			min = strtoull(&line[6], NULL, 10);
-		else if (strncmp(line, "IFINDEX=", 8) == 0)
-			udev_device_set_ifindex(udev_device, strtoull(&line[8], NULL, 10));
-		else if (strncmp(line, "DEVNAME=", 8) == 0)
-			udev_device_set_devnode(udev_device, &line[8]);
-		else if (strncmp(line, "DEVMODE=", 8) == 0)
-			udev_device->devnode_mode = strtoul(&line[8], NULL, 8);
-
-		udev_device_add_property_from_string(udev_device, line);
-	}
-
-	udev_device->devnum = makedev(maj, min);
-	fclose(f);
-	return 0;
+        char filename[UTIL_PATH_SIZE];
+        FILE *f;
+        char line[UTIL_LINE_SIZE];
+        int maj = 0;
+        int min = 0;
+
+        if (udev_device->uevent_loaded)
+                return 0;
+
+        util_strscpyl(filename, sizeof(filename), udev_device->syspath, "/uevent", NULL);
+        f = fopen(filename, "re");
+        if (f == NULL)
+                return -1;
+        udev_device->uevent_loaded = true;
+
+        while (fgets(line, sizeof(line), f)) {
+                char *pos;
+
+                pos = strchr(line, '\n');
+                if (pos == NULL)
+                        continue;
+                pos[0] = '\0';
+
+                if (strncmp(line, "DEVTYPE=", 8) == 0)
+                        udev_device_set_devtype(udev_device, &line[8]);
+                else if (strncmp(line, "MAJOR=", 6) == 0)
+                        maj = strtoull(&line[6], NULL, 10);
+                else if (strncmp(line, "MINOR=", 6) == 0)
+                        min = strtoull(&line[6], NULL, 10);
+                else if (strncmp(line, "IFINDEX=", 8) == 0)
+                        udev_device_set_ifindex(udev_device, strtoull(&line[8], NULL, 10));
+                else if (strncmp(line, "DEVNAME=", 8) == 0)
+                        udev_device_set_devnode(udev_device, &line[8]);
+                else if (strncmp(line, "DEVMODE=", 8) == 0)
+                        udev_device->devnode_mode = strtoul(&line[8], NULL, 8);
+
+                udev_device_add_property_from_string(udev_device, line);
+        }
+
+        udev_device->devnum = makedev(maj, min);
+        fclose(f);
+        return 0;
 }
 
 void udev_device_set_info_loaded(struct udev_device *device)
 {
-	device->info_loaded = true;
+        device->info_loaded = true;
 }
 
 struct udev_device *udev_device_new(struct udev *udev)
 {
-	struct udev_device *udev_device;
-	struct udev_list_entry *list_entry;
-
-	if (udev == NULL)
-		return NULL;
-
-	udev_device = calloc(1, sizeof(struct udev_device));
-	if (udev_device == NULL)
-		return NULL;
-	udev_device->refcount = 1;
-	udev_device->udev = udev;
-	udev_list_init(udev, &udev_device->devlinks_list, true);
-	udev_list_init(udev, &udev_device->properties_list, true);
-	udev_list_init(udev, &udev_device->sysattr_value_list, true);
-	udev_list_init(udev, &udev_device->sysattr_list, false);
-	udev_list_init(udev, &udev_device->tags_list, true);
-	udev_device->watch_handle = -1;
-	/* copy global properties */
-	udev_list_entry_foreach(list_entry, udev_get_properties_list_entry(udev))
-		udev_device_add_property(udev_device,
-					 udev_list_entry_get_name(list_entry),
-					 udev_list_entry_get_value(list_entry));
-	dbg(udev_device->udev, "udev_device: %p created\n", udev_device);
-	return udev_device;
+        struct udev_device *udev_device;
+        struct udev_list_entry *list_entry;
+
+        if (udev == NULL)
+                return NULL;
+
+        udev_device = calloc(1, sizeof(struct udev_device));
+        if (udev_device == NULL)
+                return NULL;
+        udev_device->refcount = 1;
+        udev_device->udev = udev;
+        udev_list_init(udev, &udev_device->devlinks_list, true);
+        udev_list_init(udev, &udev_device->properties_list, true);
+        udev_list_init(udev, &udev_device->sysattr_value_list, true);
+        udev_list_init(udev, &udev_device->sysattr_list, false);
+        udev_list_init(udev, &udev_device->tags_list, true);
+        udev_device->watch_handle = -1;
+        /* copy global properties */
+        udev_list_entry_foreach(list_entry, udev_get_properties_list_entry(udev))
+                udev_device_add_property(udev_device,
+                                         udev_list_entry_get_name(list_entry),
+                                         udev_list_entry_get_value(list_entry));
+        dbg(udev_device->udev, "udev_device: %p created\n", udev_device);
+        return udev_device;
 }
 
 /**
@@ -618,62 +618,62 @@ struct udev_device *udev_device_new(struct udev *udev)
  **/
 UDEV_EXPORT struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath)
 {
-	size_t len;
-	const char *subdir;
-	char path[UTIL_PATH_SIZE];
-	char *pos;
-	struct stat statbuf;
-	struct udev_device *udev_device;
-
-	if (udev == NULL)
-		return NULL;
-	if (syspath == NULL)
-		return NULL;
-
-	/* path starts in sys */
-	len = strlen(udev_get_sys_path(udev));
-	if (strncmp(syspath, udev_get_sys_path(udev), len) != 0) {
-		info(udev, "not in sys :%s\n", syspath);
-		return NULL;
-	}
-
-	/* path is not a root directory */
-	subdir = &syspath[len+1];
-	pos = strrchr(subdir, '/');
-	if (pos == NULL || pos[1] == '\0' || pos < &subdir[2]) {
-		dbg(udev, "not a subdir :%s\n", syspath);
-		return NULL;
-	}
-
-	/* resolve possible symlink to real path */
-	util_strscpy(path, sizeof(path), syspath);
-	util_resolve_sys_link(udev, path, sizeof(path));
-
-	if (strncmp(&path[len], "/devices/", 9) == 0) {
-		char file[UTIL_PATH_SIZE];
-
-		/* all "devices" require a "uevent" file */
-		util_strscpyl(file, sizeof(file), path, "/uevent", NULL);
-		if (stat(file, &statbuf) != 0) {
-			dbg(udev, "not a device: %s\n", syspath);
-			return NULL;
-		}
-	} else {
-		/* everything else just needs to be a directory */
-		if (stat(path, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode)) {
-			dbg(udev, "directory not found: %s\n", syspath);
-			return NULL;
-		}
-	}
-
-	udev_device = udev_device_new(udev);
-	if (udev_device == NULL)
-		return NULL;
-
-	udev_device_set_syspath(udev_device, path);
-	info(udev, "device %p has devpath '%s'\n", udev_device, udev_device_get_devpath(udev_device));
-
-	return udev_device;
+        size_t len;
+        const char *subdir;
+        char path[UTIL_PATH_SIZE];
+        char *pos;
+        struct stat statbuf;
+        struct udev_device *udev_device;
+
+        if (udev == NULL)
+                return NULL;
+        if (syspath == NULL)
+                return NULL;
+
+        /* path starts in sys */
+        len = strlen(udev_get_sys_path(udev));
+        if (strncmp(syspath, udev_get_sys_path(udev), len) != 0) {
+                info(udev, "not in sys :%s\n", syspath);
+                return NULL;
+        }
+
+        /* path is not a root directory */
+        subdir = &syspath[len+1];
+        pos = strrchr(subdir, '/');
+        if (pos == NULL || pos[1] == '\0' || pos < &subdir[2]) {
+                dbg(udev, "not a subdir :%s\n", syspath);
+                return NULL;
+        }
+
+        /* resolve possible symlink to real path */
+        util_strscpy(path, sizeof(path), syspath);
+        util_resolve_sys_link(udev, path, sizeof(path));
+
+        if (strncmp(&path[len], "/devices/", 9) == 0) {
+                char file[UTIL_PATH_SIZE];
+
+                /* all "devices" require a "uevent" file */
+                util_strscpyl(file, sizeof(file), path, "/uevent", NULL);
+                if (stat(file, &statbuf) != 0) {
+                        dbg(udev, "not a device: %s\n", syspath);
+                        return NULL;
+                }
+        } else {
+                /* everything else just needs to be a directory */
+                if (stat(path, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode)) {
+                        dbg(udev, "directory not found: %s\n", syspath);
+                        return NULL;
+                }
+        }
+
+        udev_device = udev_device_new(udev);
+        if (udev_device == NULL)
+                return NULL;
+
+        udev_device_set_syspath(udev_device, path);
+        info(udev, "device %p has devpath '%s'\n", udev_device, udev_device_get_devpath(udev_device));
+
+        return udev_device;
 }
 
 /**
@@ -694,75 +694,75 @@ UDEV_EXPORT struct udev_device *udev_device_new_from_syspath(struct udev *udev,
  **/
 UDEV_EXPORT struct udev_device *udev_device_new_from_devnum(struct udev *udev, char type, dev_t devnum)
 {
-	char path[UTIL_PATH_SIZE];
-	const char *type_str;
+        char path[UTIL_PATH_SIZE];
+        const char *type_str;
 
-	if (type == 'b')
-		type_str = "block";
-	else if (type == 'c')
-		type_str = "char";
-	else
-		return NULL;
+        if (type == 'b')
+                type_str = "block";
+        else if (type == 'c')
+                type_str = "char";
+        else
+                return NULL;
 
-	/* use /sys/dev/{block,char}/<maj>:<min> link */
-	snprintf(path, sizeof(path), "%s/dev/%s/%u:%u",
-		 udev_get_sys_path(udev), type_str, major(devnum), minor(devnum));
-	return udev_device_new_from_syspath(udev, path);
+        /* use /sys/dev/{block,char}/<maj>:<min> link */
+        snprintf(path, sizeof(path), "%s/dev/%s/%u:%u",
+                 udev_get_sys_path(udev), type_str, major(devnum), minor(devnum));
+        return udev_device_new_from_syspath(udev, path);
 }
 
 struct udev_device *udev_device_new_from_id_filename(struct udev *udev, char *id)
 {
-	char type;
-	int maj, min;
-	char subsys[UTIL_PATH_SIZE];
-	char *sysname;
-
-	switch(id[0]) {
-	case 'b':
-	case 'c':
-		if (sscanf(id, "%c%i:%i", &type, &maj, &min) != 3)
-			return NULL;
-		return udev_device_new_from_devnum(udev, type, makedev(maj, min));
-	case 'n': {
-		int sk;
-		struct ifreq ifr;
-		struct udev_device *dev;
-		int ifindex;
-
-		ifindex = strtoul(&id[1], NULL, 10);
-		if (ifindex <= 0)
-			return NULL;
-
-		sk = socket(PF_INET, SOCK_DGRAM, 0);
-		if (sk < 0)
-			return NULL;
-		memset(&ifr, 0x00, sizeof(struct ifreq));
-		ifr.ifr_ifindex = ifindex;
-		if (ioctl(sk, SIOCGIFNAME, &ifr) != 0) {
-			close(sk);
-			return NULL;
-		}
-		close(sk);
-
-		dev = udev_device_new_from_subsystem_sysname(udev, "net", ifr.ifr_name);
-		if (dev == NULL)
-			return NULL;
-		if (udev_device_get_ifindex(dev) == ifindex)
-			return dev;
-		udev_device_unref(dev);
-		return NULL;
-	}
-	case '+':
-		util_strscpy(subsys, sizeof(subsys), &id[1]);
-		sysname = strchr(subsys, ':');
-		if (sysname == NULL)
-			return NULL;
-		sysname[0] = '\0';
-		sysname = &sysname[1];
-		return udev_device_new_from_subsystem_sysname(udev, subsys, sysname);
-	default:
-		return NULL;
-	}
+        char type;
+        int maj, min;
+        char subsys[UTIL_PATH_SIZE];
+        char *sysname;
+
+        switch(id[0]) {
+        case 'b':
+        case 'c':
+                if (sscanf(id, "%c%i:%i", &type, &maj, &min) != 3)
+                        return NULL;
+                return udev_device_new_from_devnum(udev, type, makedev(maj, min));
+        case 'n': {
+                int sk;
+                struct ifreq ifr;
+                struct udev_device *dev;
+                int ifindex;
+
+                ifindex = strtoul(&id[1], NULL, 10);
+                if (ifindex <= 0)
+                        return NULL;
+
+                sk = socket(PF_INET, SOCK_DGRAM, 0);
+                if (sk < 0)
+                        return NULL;
+                memset(&ifr, 0x00, sizeof(struct ifreq));
+                ifr.ifr_ifindex = ifindex;
+                if (ioctl(sk, SIOCGIFNAME, &ifr) != 0) {
+                        close(sk);
+                        return NULL;
+                }
+                close(sk);
+
+                dev = udev_device_new_from_subsystem_sysname(udev, "net", ifr.ifr_name);
+                if (dev == NULL)
+                        return NULL;
+                if (udev_device_get_ifindex(dev) == ifindex)
+                        return dev;
+                udev_device_unref(dev);
+                return NULL;
+        }
+        case '+':
+                util_strscpy(subsys, sizeof(subsys), &id[1]);
+                sysname = strchr(subsys, ':');
+                if (sysname == NULL)
+                        return NULL;
+                sysname[0] = '\0';
+                sysname = &sysname[1];
+                return udev_device_new_from_subsystem_sysname(udev, subsys, sysname);
+        default:
+                return NULL;
+        }
 }
 
 /**
@@ -782,72 +782,72 @@ struct udev_device *udev_device_new_from_id_filename(struct udev *udev, char *id
  **/
 UDEV_EXPORT struct udev_device *udev_device_new_from_subsystem_sysname(struct udev *udev, const char *subsystem, const char *sysname)
 {
-	char path_full[UTIL_PATH_SIZE];
-	char *path;
-	size_t l;
-	struct stat statbuf;
-
-	path = path_full;
-	l = util_strpcpyl(&path, sizeof(path_full), udev_get_sys_path(udev), NULL);
-
-	if (strcmp(subsystem, "subsystem") == 0) {
-		util_strscpyl(path, l, "/subsystem/", sysname, NULL);
-		if (stat(path_full, &statbuf) == 0)
-			goto found;
-
-		util_strscpyl(path, l, "/bus/", sysname, NULL);
-		if (stat(path_full, &statbuf) == 0)
-			goto found;
-
-		util_strscpyl(path, l, "/class/", sysname, NULL);
-		if (stat(path_full, &statbuf) == 0)
-			goto found;
-		goto out;
-	}
-
-	if (strcmp(subsystem, "module") == 0) {
-		util_strscpyl(path, l, "/module/", sysname, NULL);
-		if (stat(path_full, &statbuf) == 0)
-			goto found;
-		goto out;
-	}
-
-	if (strcmp(subsystem, "drivers") == 0) {
-		char subsys[UTIL_NAME_SIZE];
-		char *driver;
-
-		util_strscpy(subsys, sizeof(subsys), sysname);
-		driver = strchr(subsys, ':');
-		if (driver != NULL) {
-			driver[0] = '\0';
-			driver = &driver[1];
-
-			util_strscpyl(path, l, "/subsystem/", subsys, "/drivers/", driver, NULL);
-			if (stat(path_full, &statbuf) == 0)
-				goto found;
-
-			util_strscpyl(path, l, "/bus/", subsys, "/drivers/", driver, NULL);
-			if (stat(path_full, &statbuf) == 0)
-				goto found;
-		}
-		goto out;
-	}
-
-	util_strscpyl(path, l, "/subsystem/", subsystem, "/devices/", sysname, NULL);
-	if (stat(path_full, &statbuf) == 0)
-		goto found;
-
-	util_strscpyl(path, l, "/bus/", subsystem, "/devices/", sysname, NULL);
-	if (stat(path_full, &statbuf) == 0)
-		goto found;
-
-	util_strscpyl(path, l, "/class/", subsystem, "/", sysname, NULL);
-	if (stat(path_full, &statbuf) == 0)
-		goto found;
+        char path_full[UTIL_PATH_SIZE];
+        char *path;
+        size_t l;
+        struct stat statbuf;
+
+        path = path_full;
+        l = util_strpcpyl(&path, sizeof(path_full), udev_get_sys_path(udev), NULL);
+
+        if (strcmp(subsystem, "subsystem") == 0) {
+                util_strscpyl(path, l, "/subsystem/", sysname, NULL);
+                if (stat(path_full, &statbuf) == 0)
+                        goto found;
+
+                util_strscpyl(path, l, "/bus/", sysname, NULL);
+                if (stat(path_full, &statbuf) == 0)
+                        goto found;
+
+                util_strscpyl(path, l, "/class/", sysname, NULL);
+                if (stat(path_full, &statbuf) == 0)
+                        goto found;
+                goto out;
+        }
+
+        if (strcmp(subsystem, "module") == 0) {
+                util_strscpyl(path, l, "/module/", sysname, NULL);
+                if (stat(path_full, &statbuf) == 0)
+                        goto found;
+                goto out;
+        }
+
+        if (strcmp(subsystem, "drivers") == 0) {
+                char subsys[UTIL_NAME_SIZE];
+                char *driver;
+
+                util_strscpy(subsys, sizeof(subsys), sysname);
+                driver = strchr(subsys, ':');
+                if (driver != NULL) {
+                        driver[0] = '\0';
+                        driver = &driver[1];
+
+                        util_strscpyl(path, l, "/subsystem/", subsys, "/drivers/", driver, NULL);
+                        if (stat(path_full, &statbuf) == 0)
+                                goto found;
+
+                        util_strscpyl(path, l, "/bus/", subsys, "/drivers/", driver, NULL);
+                        if (stat(path_full, &statbuf) == 0)
+                                goto found;
+                }
+                goto out;
+        }
+
+        util_strscpyl(path, l, "/subsystem/", subsystem, "/devices/", sysname, NULL);
+        if (stat(path_full, &statbuf) == 0)
+                goto found;
+
+        util_strscpyl(path, l, "/bus/", subsystem, "/devices/", sysname, NULL);
+        if (stat(path_full, &statbuf) == 0)
+                goto found;
+
+        util_strscpyl(path, l, "/class/", subsystem, "/", sysname, NULL);
+        if (stat(path_full, &statbuf) == 0)
+                goto found;
 out:
-	return NULL;
+        return NULL;
 found:
-	return udev_device_new_from_syspath(udev, path_full);
+        return udev_device_new_from_syspath(udev, path_full);
 }
 
 /**
@@ -866,46 +866,46 @@ found:
  **/
 UDEV_EXPORT struct udev_device *udev_device_new_from_environment(struct udev *udev)
 {
-	int i;
-	struct udev_device *udev_device;
+        int i;
+        struct udev_device *udev_device;
 
-	udev_device = udev_device_new(udev);
-	if (udev_device == NULL)
-		return NULL;
-	udev_device_set_info_loaded(udev_device);
+        udev_device = udev_device_new(udev);
+        if (udev_device == NULL)
+                return NULL;
+        udev_device_set_info_loaded(udev_device);
 
-	for (i = 0; environ[i] != NULL; i++)
-		udev_device_add_property_from_string_parse(udev_device, environ[i]);
+        for (i = 0; environ[i] != NULL; i++)
+                udev_device_add_property_from_string_parse(udev_device, environ[i]);
 
-	if (udev_device_add_property_from_string_parse_finish(udev_device) < 0) {
-		info(udev, "missing values, invalid device\n");
-		udev_device_unref(udev_device);
-		udev_device = NULL;
-	}
+        if (udev_device_add_property_from_string_parse_finish(udev_device) < 0) {
+                info(udev, "missing values, invalid device\n");
+                udev_device_unref(udev_device);
+                udev_device = NULL;
+        }
 
-	return udev_device;
+        return udev_device;
 }
 
 static struct udev_device *device_new_from_parent(struct udev_device *udev_device)
 {
-	struct udev_device *udev_device_parent = NULL;
-	char path[UTIL_PATH_SIZE];
-	const char *subdir;
+        struct udev_device *udev_device_parent = NULL;
+        char path[UTIL_PATH_SIZE];
+        const char *subdir;
 
-	util_strscpy(path, sizeof(path), udev_device->syspath);
-	subdir = &path[strlen(udev_get_sys_path(udev_device->udev))+1];
-	for (;;) {
-		char *pos;
+        util_strscpy(path, sizeof(path), udev_device->syspath);
+        subdir = &path[strlen(udev_get_sys_path(udev_device->udev))+1];
+        for (;;) {
+                char *pos;
 
-		pos = strrchr(subdir, '/');
-		if (pos == NULL || pos < &subdir[2])
-			break;
-		pos[0] = '\0';
-		udev_device_parent = udev_device_new_from_syspath(udev_device->udev, path);
-		if (udev_device_parent != NULL)
-			return udev_device_parent;
-	}
-	return NULL;
+                pos = strrchr(subdir, '/');
+                if (pos == NULL || pos < &subdir[2])
+                        break;
+                pos[0] = '\0';
+                udev_device_parent = udev_device_new_from_syspath(udev_device->udev, path);
+                if (udev_device_parent != NULL)
+                        return udev_device_parent;
+        }
+        return NULL;
 }
 
 /**
@@ -929,15 +929,15 @@ static struct udev_device *device_new_from_parent(struct udev_device *udev_devic
  **/
 UDEV_EXPORT struct udev_device *udev_device_get_parent(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return NULL;
-	if (!udev_device->parent_set) {
-		udev_device->parent_set = true;
-		udev_device->parent_device = device_new_from_parent(udev_device);
-	}
-	if (udev_device->parent_device != NULL)
-		dbg(udev_device->udev, "returning existing parent %p\n", udev_device->parent_device);
-	return udev_device->parent_device;
+        if (udev_device == NULL)
+                return NULL;
+        if (!udev_device->parent_set) {
+                udev_device->parent_set = true;
+                udev_device->parent_device = device_new_from_parent(udev_device);
+        }
+        if (udev_device->parent_device != NULL)
+                dbg(udev_device->udev, "returning existing parent %p\n", udev_device->parent_device);
+        return udev_device->parent_device;
 }
 
 /**
@@ -964,27 +964,27 @@ UDEV_EXPORT struct udev_device *udev_device_get_parent(struct udev_device *udev_
  **/
 UDEV_EXPORT struct udev_device *udev_device_get_parent_with_subsystem_devtype(struct udev_device *udev_device, const char *subsystem, const char *devtype)
 {
-	struct udev_device *parent;
+        struct udev_device *parent;
 
-	if (subsystem == NULL)
-		return NULL;
+        if (subsystem == NULL)
+                return NULL;
 
-	parent = udev_device_get_parent(udev_device);
-	while (parent != NULL) {
-		const char *parent_subsystem;
-		const char *parent_devtype;
+        parent = udev_device_get_parent(udev_device);
+        while (parent != NULL) {
+                const char *parent_subsystem;
+                const char *parent_devtype;
 
-		parent_subsystem = udev_device_get_subsystem(parent);
-		if (parent_subsystem != NULL && strcmp(parent_subsystem, subsystem) == 0) {
-			if (devtype == NULL)
-				break;
-			parent_devtype = udev_device_get_devtype(parent);
-			if (parent_devtype != NULL && strcmp(parent_devtype, devtype) == 0)
-				break;
-		}
-		parent = udev_device_get_parent(parent);
-	}
-	return parent;
+                parent_subsystem = udev_device_get_subsystem(parent);
+                if (parent_subsystem != NULL && strcmp(parent_subsystem, subsystem) == 0) {
+                        if (devtype == NULL)
+                                break;
+                        parent_devtype = udev_device_get_devtype(parent);
+                        if (parent_devtype != NULL && strcmp(parent_devtype, devtype) == 0)
+                                break;
+                }
+                parent = udev_device_get_parent(parent);
+        }
+        return parent;
 }
 
 /**
@@ -997,9 +997,9 @@ UDEV_EXPORT struct udev_device *udev_device_get_parent_with_subsystem_devtype(st
  **/
 UDEV_EXPORT struct udev *udev_device_get_udev(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return NULL;
-	return udev_device->udev;
+        if (udev_device == NULL)
+                return NULL;
+        return udev_device->udev;
 }
 
 /**
@@ -1012,10 +1012,10 @@ UDEV_EXPORT struct udev *udev_device_get_udev(struct udev_device *udev_device)
  **/
 UDEV_EXPORT struct udev_device *udev_device_ref(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return NULL;
-	udev_device->refcount++;
-	return udev_device;
+        if (udev_device == NULL)
+                return NULL;
+        udev_device->refcount++;
+        return udev_device;
 }
 
 /**
@@ -1028,31 +1028,31 @@ UDEV_EXPORT struct udev_device *udev_device_ref(struct udev_device *udev_device)
  **/
 UDEV_EXPORT void udev_device_unref(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return;
-	udev_device->refcount--;
-	if (udev_device->refcount > 0)
-		return;
-	if (udev_device->parent_device != NULL)
-		udev_device_unref(udev_device->parent_device);
-	free(udev_device->syspath);
-	free(udev_device->sysname);
-	free(udev_device->devnode);
-	free(udev_device->subsystem);
-	free(udev_device->devtype);
-	udev_list_cleanup(&udev_device->devlinks_list);
-	udev_list_cleanup(&udev_device->properties_list);
-	udev_list_cleanup(&udev_device->sysattr_value_list);
-	udev_list_cleanup(&udev_device->sysattr_list);
-	udev_list_cleanup(&udev_device->tags_list);
-	free(udev_device->action);
-	free(udev_device->driver);
-	free(udev_device->devpath_old);
-	free(udev_device->id_filename);
-	free(udev_device->envp);
-	free(udev_device->monitor_buf);
-	dbg(udev_device->udev, "udev_device: %p released\n", udev_device);
-	free(udev_device);
+        if (udev_device == NULL)
+                return;
+        udev_device->refcount--;
+        if (udev_device->refcount > 0)
+                return;
+        if (udev_device->parent_device != NULL)
+                udev_device_unref(udev_device->parent_device);
+        free(udev_device->syspath);
+        free(udev_device->sysname);
+        free(udev_device->devnode);
+        free(udev_device->subsystem);
+        free(udev_device->devtype);
+        udev_list_cleanup(&udev_device->devlinks_list);
+        udev_list_cleanup(&udev_device->properties_list);
+        udev_list_cleanup(&udev_device->sysattr_value_list);
+        udev_list_cleanup(&udev_device->sysattr_list);
+        udev_list_cleanup(&udev_device->tags_list);
+        free(udev_device->action);
+        free(udev_device->driver);
+        free(udev_device->devpath_old);
+        free(udev_device->id_filename);
+        free(udev_device->envp);
+        free(udev_device->monitor_buf);
+        dbg(udev_device->udev, "udev_device: %p released\n", udev_device);
+        free(udev_device);
 }
 
 /**
@@ -1066,9 +1066,9 @@ UDEV_EXPORT void udev_device_unref(struct udev_device *udev_device)
  **/
 UDEV_EXPORT const char *udev_device_get_devpath(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return NULL;
-	return udev_device->devpath;
+        if (udev_device == NULL)
+                return NULL;
+        return udev_device->devpath;
 }
 
 /**
@@ -1082,9 +1082,9 @@ UDEV_EXPORT const char *udev_device_get_devpath(struct udev_device *udev_device)
  **/
 UDEV_EXPORT const char *udev_device_get_syspath(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return NULL;
-	return udev_device->syspath;
+        if (udev_device == NULL)
+                return NULL;
+        return udev_device->syspath;
 }
 
 /**
@@ -1095,9 +1095,9 @@ UDEV_EXPORT const char *udev_device_get_syspath(struct udev_device *udev_device)
  **/
 UDEV_EXPORT const char *udev_device_get_sysname(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return NULL;
-	return udev_device->sysname;
+        if (udev_device == NULL)
+                return NULL;
+        return udev_device->sysname;
 }
 
 /**
@@ -1108,9 +1108,9 @@ UDEV_EXPORT const char *udev_device_get_sysname(struct udev_device *udev_device)
  **/
 UDEV_EXPORT const char *udev_device_get_sysnum(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return NULL;
-	return udev_device->sysnum;
+        if (udev_device == NULL)
+                return NULL;
+        return udev_device->sysnum;
 }
 
 /**
@@ -1124,13 +1124,13 @@ UDEV_EXPORT const char *udev_device_get_sysnum(struct udev_device *udev_device)
  **/
 UDEV_EXPORT const char *udev_device_get_devnode(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return NULL;
-	if (udev_device->devnode != NULL)
-		return udev_device->devnode;
-	if (!udev_device->info_loaded)
-		udev_device_read_uevent_file(udev_device);
-	return udev_device->devnode;
+        if (udev_device == NULL)
+                return NULL;
+        if (udev_device->devnode != NULL)
+                return udev_device->devnode;
+        if (!udev_device->info_loaded)
+                udev_device_read_uevent_file(udev_device);
+        return udev_device->devnode;
 }
 
 /**
@@ -1148,17 +1148,17 @@ UDEV_EXPORT const char *udev_device_get_devnode(struct udev_device *udev_device)
  **/
 UDEV_EXPORT struct udev_list_entry *udev_device_get_devlinks_list_entry(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return NULL;
-	if (!udev_device->info_loaded)
-		udev_device_read_db(udev_device, NULL);
-	return udev_list_get_entry(&udev_device->devlinks_list);
+        if (udev_device == NULL)
+                return NULL;
+        if (!udev_device->info_loaded)
+                udev_device_read_db(udev_device, NULL);
+        return udev_list_get_entry(&udev_device->devlinks_list);
 }
 
 void udev_device_cleanup_devlinks_list(struct udev_device *udev_device)
 {
-	udev_device->devlinks_uptodate = false;
-	udev_list_cleanup(&udev_device->devlinks_list);
+        udev_device->devlinks_uptodate = false;
+        udev_list_cleanup(&udev_device->devlinks_list);
 }
 
 /**
@@ -1175,45 +1175,45 @@ void udev_device_cleanup_devlinks_list(struct udev_device *udev_device)
  **/
 UDEV_EXPORT struct udev_list_entry *udev_device_get_properties_list_entry(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return NULL;
-	if (!udev_device->info_loaded) {
-		udev_device_read_uevent_file(udev_device);
-		udev_device_read_db(udev_device, NULL);
-	}
-	if (!udev_device->devlinks_uptodate) {
-		char symlinks[UTIL_PATH_SIZE];
-		struct udev_list_entry *list_entry;
-
-		udev_device->devlinks_uptodate = true;
-		list_entry = udev_device_get_devlinks_list_entry(udev_device);
-		if (list_entry != NULL) {
-			char *s;
-			size_t l;
-
-			s = symlinks;
-			l = util_strpcpyl(&s, sizeof(symlinks), udev_list_entry_get_name(list_entry), NULL);
-			udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry))
-				l = util_strpcpyl(&s, l, " ", udev_list_entry_get_name(list_entry), NULL);
-			udev_device_add_property(udev_device, "DEVLINKS", symlinks);
-		}
-	}
-	if (!udev_device->tags_uptodate) {
-		udev_device->tags_uptodate = true;
-		if (udev_device_get_tags_list_entry(udev_device) != NULL) {
-			char tags[UTIL_PATH_SIZE];
-			struct udev_list_entry *list_entry;
-			char *s;
-			size_t l;
-
-			s = tags;
-			l = util_strpcpyl(&s, sizeof(tags), ":", NULL);
-			udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device))
-				l = util_strpcpyl(&s, l, udev_list_entry_get_name(list_entry), ":", NULL);
-			udev_device_add_property(udev_device, "TAGS", tags);
-		}
-	}
-	return udev_list_get_entry(&udev_device->properties_list);
+        if (udev_device == NULL)
+                return NULL;
+        if (!udev_device->info_loaded) {
+                udev_device_read_uevent_file(udev_device);
+                udev_device_read_db(udev_device, NULL);
+        }
+        if (!udev_device->devlinks_uptodate) {
+                char symlinks[UTIL_PATH_SIZE];
+                struct udev_list_entry *list_entry;
+
+                udev_device->devlinks_uptodate = true;
+                list_entry = udev_device_get_devlinks_list_entry(udev_device);
+                if (list_entry != NULL) {
+                        char *s;
+                        size_t l;
+
+                        s = symlinks;
+                        l = util_strpcpyl(&s, sizeof(symlinks), udev_list_entry_get_name(list_entry), NULL);
+                        udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry))
+                                l = util_strpcpyl(&s, l, " ", udev_list_entry_get_name(list_entry), NULL);
+                        udev_device_add_property(udev_device, "DEVLINKS", symlinks);
+                }
+        }
+        if (!udev_device->tags_uptodate) {
+                udev_device->tags_uptodate = true;
+                if (udev_device_get_tags_list_entry(udev_device) != NULL) {
+                        char tags[UTIL_PATH_SIZE];
+                        struct udev_list_entry *list_entry;
+                        char *s;
+                        size_t l;
+
+                        s = tags;
+                        l = util_strpcpyl(&s, sizeof(tags), ":", NULL);
+                        udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device))
+                                l = util_strpcpyl(&s, l, udev_list_entry_get_name(list_entry), ":", NULL);
+                        udev_device_add_property(udev_device, "TAGS", tags);
+                }
+        }
+        return udev_list_get_entry(&udev_device->properties_list);
 }
 
 /**
@@ -1228,9 +1228,9 @@ UDEV_EXPORT struct udev_list_entry *udev_device_get_properties_list_entry(struct
  **/
 UDEV_EXPORT const char *udev_device_get_action(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return NULL;
-	return udev_device->action;
+        if (udev_device == NULL)
+                return NULL;
+        return udev_device->action;
 }
 
 /**
@@ -1247,32 +1247,32 @@ UDEV_EXPORT const char *udev_device_get_action(struct udev_device *udev_device)
  **/
 UDEV_EXPORT unsigned long long int udev_device_get_usec_since_initialized(struct udev_device *udev_device)
 {
-	unsigned long long now;
+        unsigned long long now;
 
-	if (udev_device == NULL)
-		return 0;
-	if (!udev_device->info_loaded)
-		udev_device_read_db(udev_device, NULL);
-	if (udev_device->usec_initialized == 0)
-		return 0;
-	now = now_usec();
-	if (now == 0)
-		return 0;
-	return now - udev_device->usec_initialized;
+        if (udev_device == NULL)
+                return 0;
+        if (!udev_device->info_loaded)
+                udev_device_read_db(udev_device, NULL);
+        if (udev_device->usec_initialized == 0)
+                return 0;
+        now = now_usec();
+        if (now == 0)
+                return 0;
+        return now - udev_device->usec_initialized;
 }
 
 unsigned long long udev_device_get_usec_initialized(struct udev_device *udev_device)
 {
-	return udev_device->usec_initialized;
+        return udev_device->usec_initialized;
 }
 
 void udev_device_set_usec_initialized(struct udev_device *udev_device, unsigned long long usec_initialized)
 {
-	char num[32];
+        char num[32];
 
-	udev_device->usec_initialized = usec_initialized;
-	snprintf(num, sizeof(num), "%llu", usec_initialized);
-	udev_device_add_property(udev_device, "USEC_INITIALIZED", num);
+        udev_device->usec_initialized = usec_initialized;
+        snprintf(num, sizeof(num), "%llu", usec_initialized);
+        udev_device_add_property(udev_device, "USEC_INITIALIZED", num);
 }
 
 /**
@@ -1287,139 +1287,139 @@ void udev_device_set_usec_initialized(struct udev_device *udev_device, unsigned
  **/
 UDEV_EXPORT const char *udev_device_get_sysattr_value(struct udev_device *udev_device, const char *sysattr)
 {
-	struct udev_list_entry *list_entry;
-	char path[UTIL_PATH_SIZE];
-	char value[4096];
-	struct stat statbuf;
-	int fd;
-	ssize_t size;
-	const char *val = NULL;
-
-	if (udev_device == NULL)
-		return NULL;
-	if (sysattr == NULL)
-		return NULL;
-
-	/* look for possibly already cached result */
-	list_entry = udev_list_get_entry(&udev_device->sysattr_value_list);
-	list_entry = udev_list_entry_get_by_name(list_entry, sysattr);
-	if (list_entry != NULL) {
-		dbg(udev_device->udev, "got '%s' (%s) from cache\n",
-		    sysattr, udev_list_entry_get_value(list_entry));
-		return udev_list_entry_get_value(list_entry);
-	}
-
-	util_strscpyl(path, sizeof(path), udev_device_get_syspath(udev_device), "/", sysattr, NULL);
-	if (lstat(path, &statbuf) != 0) {
-		dbg(udev_device->udev, "no attribute '%s', keep negative entry\n", path);
-		udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, NULL);
-		goto out;
-	}
-
-	if (S_ISLNK(statbuf.st_mode)) {
-		struct udev_device *dev;
-
-		/*
-		 * Some core links return only the last element of the target path,
-		 * these are just values, the paths should not be exposed.
-		 */
-		if (strcmp(sysattr, "driver") == 0 ||
-		    strcmp(sysattr, "subsystem") == 0 ||
-		    strcmp(sysattr, "module") == 0) {
-			if (util_get_sys_core_link_value(udev_device->udev, sysattr,
-							 udev_device->syspath, value, sizeof(value)) < 0)
-				return NULL;
-			dbg(udev_device->udev, "cache '%s' with link value '%s'\n", sysattr, value);
-			list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, value);
-			val = udev_list_entry_get_value(list_entry);
-			goto out;
-		}
-
-		/* resolve link to a device and return its syspath */
-		util_strscpyl(path, sizeof(path), udev_device->syspath, "/", sysattr, NULL);
-		dev = udev_device_new_from_syspath(udev_device->udev, path);
-		if (dev != NULL) {
-			list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr,
-							 udev_device_get_syspath(dev));
-			val = udev_list_entry_get_value(list_entry);
-			udev_device_unref(dev);
-		}
-
-		goto out;
-	}
-
-	/* skip directories */
-	if (S_ISDIR(statbuf.st_mode))
-		goto out;
-
-	/* skip non-readable files */
-	if ((statbuf.st_mode & S_IRUSR) == 0)
-		goto out;
-
-	/* read attribute value */
-	fd = open(path, O_RDONLY|O_CLOEXEC);
-	if (fd < 0) {
-		dbg(udev_device->udev, "attribute '%s' can not be opened\n", path);
-		goto out;
-	}
-	size = read(fd, value, sizeof(value));
-	close(fd);
-	if (size < 0)
-		goto out;
-	if (size == sizeof(value))
-		goto out;
-
-	/* got a valid value, store it in cache and return it */
-	value[size] = '\0';
-	util_remove_trailing_chars(value, '\n');
-	dbg(udev_device->udev, "'%s' has attribute value '%s'\n", path, value);
-	list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, value);
-	val = udev_list_entry_get_value(list_entry);
+        struct udev_list_entry *list_entry;
+        char path[UTIL_PATH_SIZE];
+        char value[4096];
+        struct stat statbuf;
+        int fd;
+        ssize_t size;
+        const char *val = NULL;
+
+        if (udev_device == NULL)
+                return NULL;
+        if (sysattr == NULL)
+                return NULL;
+
+        /* look for possibly already cached result */
+        list_entry = udev_list_get_entry(&udev_device->sysattr_value_list);
+        list_entry = udev_list_entry_get_by_name(list_entry, sysattr);
+        if (list_entry != NULL) {
+                dbg(udev_device->udev, "got '%s' (%s) from cache\n",
+                    sysattr, udev_list_entry_get_value(list_entry));
+                return udev_list_entry_get_value(list_entry);
+        }
+
+        util_strscpyl(path, sizeof(path), udev_device_get_syspath(udev_device), "/", sysattr, NULL);
+        if (lstat(path, &statbuf) != 0) {
+                dbg(udev_device->udev, "no attribute '%s', keep negative entry\n", path);
+                udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, NULL);
+                goto out;
+        }
+
+        if (S_ISLNK(statbuf.st_mode)) {
+                struct udev_device *dev;
+
+                /*
+                 * Some core links return only the last element of the target path,
+                 * these are just values, the paths should not be exposed.
+                 */
+                if (strcmp(sysattr, "driver") == 0 ||
+                    strcmp(sysattr, "subsystem") == 0 ||
+                    strcmp(sysattr, "module") == 0) {
+                        if (util_get_sys_core_link_value(udev_device->udev, sysattr,
+                                                         udev_device->syspath, value, sizeof(value)) < 0)
+                                return NULL;
+                        dbg(udev_device->udev, "cache '%s' with link value '%s'\n", sysattr, value);
+                        list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, value);
+                        val = udev_list_entry_get_value(list_entry);
+                        goto out;
+                }
+
+                /* resolve link to a device and return its syspath */
+                util_strscpyl(path, sizeof(path), udev_device->syspath, "/", sysattr, NULL);
+                dev = udev_device_new_from_syspath(udev_device->udev, path);
+                if (dev != NULL) {
+                        list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr,
+                                                         udev_device_get_syspath(dev));
+                        val = udev_list_entry_get_value(list_entry);
+                        udev_device_unref(dev);
+                }
+
+                goto out;
+        }
+
+        /* skip directories */
+        if (S_ISDIR(statbuf.st_mode))
+                goto out;
+
+        /* skip non-readable files */
+        if ((statbuf.st_mode & S_IRUSR) == 0)
+                goto out;
+
+        /* read attribute value */
+        fd = open(path, O_RDONLY|O_CLOEXEC);
+        if (fd < 0) {
+                dbg(udev_device->udev, "attribute '%s' can not be opened\n", path);
+                goto out;
+        }
+        size = read(fd, value, sizeof(value));
+        close(fd);
+        if (size < 0)
+                goto out;
+        if (size == sizeof(value))
+                goto out;
+
+        /* got a valid value, store it in cache and return it */
+        value[size] = '\0';
+        util_remove_trailing_chars(value, '\n');
+        dbg(udev_device->udev, "'%s' has attribute value '%s'\n", path, value);
+        list_entry = udev_list_entry_add(&udev_device->sysattr_value_list, sysattr, value);
+        val = udev_list_entry_get_value(list_entry);
 out:
-	return val;
+        return val;
 }
 
 static int udev_device_sysattr_list_read(struct udev_device *udev_device)
 {
-	struct dirent *dent;
-	DIR *dir;
-	int num = 0;
+        struct dirent *dent;
+        DIR *dir;
+        int num = 0;
 
-	if (udev_device == NULL)
-		return -1;
-	if (udev_device->sysattr_list_read)
-		return 0;
+        if (udev_device == NULL)
+                return -1;
+        if (udev_device->sysattr_list_read)
+                return 0;
 
-	dir = opendir(udev_device_get_syspath(udev_device));
-	if (!dir) {
-		dbg(udev_device->udev, "sysfs dir '%s' can not be opened\n",
-				udev_device_get_syspath(udev_device));
-		return -1;
-	}
+        dir = opendir(udev_device_get_syspath(udev_device));
+        if (!dir) {
+                dbg(udev_device->udev, "sysfs dir '%s' can not be opened\n",
+                                udev_device_get_syspath(udev_device));
+                return -1;
+        }
 
-	for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-		char path[UTIL_PATH_SIZE];
-		struct stat statbuf;
+        for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
+                char path[UTIL_PATH_SIZE];
+                struct stat statbuf;
 
-		/* only handle symlinks and regular files */
-		if (dent->d_type != DT_LNK && dent->d_type != DT_REG)
-			continue;
+                /* only handle symlinks and regular files */
+                if (dent->d_type != DT_LNK && dent->d_type != DT_REG)
+                        continue;
 
-		util_strscpyl(path, sizeof(path), udev_device_get_syspath(udev_device), "/", dent->d_name, NULL);
-		if (lstat(path, &statbuf) != 0)
-			continue;
-		if ((statbuf.st_mode & S_IRUSR) == 0)
-			continue;
+                util_strscpyl(path, sizeof(path), udev_device_get_syspath(udev_device), "/", dent->d_name, NULL);
+                if (lstat(path, &statbuf) != 0)
+                        continue;
+                if ((statbuf.st_mode & S_IRUSR) == 0)
+                        continue;
 
-		udev_list_entry_add(&udev_device->sysattr_list, dent->d_name, NULL);
-		num++;
-	}
+                udev_list_entry_add(&udev_device->sysattr_list, dent->d_name, NULL);
+                num++;
+        }
 
-	closedir(dir);
-	dbg(udev_device->udev, "found %d sysattrs for '%s'\n", num, udev_device_get_syspath(udev_device));
-	udev_device->sysattr_list_read = true;
+        closedir(dir);
+        dbg(udev_device->udev, "found %d sysattrs for '%s'\n", num, udev_device_get_syspath(udev_device));
+        udev_device->sysattr_list_read = true;
 
-	return num;
+        return num;
 }
 
 /**
@@ -1434,114 +1434,114 @@ static int udev_device_sysattr_list_read(struct udev_device *udev_device)
  **/
 UDEV_EXPORT struct udev_list_entry *udev_device_get_sysattr_list_entry(struct udev_device *udev_device)
 {
-	if (!udev_device->sysattr_list_read) {
-		int ret;
-		ret = udev_device_sysattr_list_read(udev_device);
-		if (0 > ret)
-			return NULL;
-	}
+        if (!udev_device->sysattr_list_read) {
+                int ret;
+                ret = udev_device_sysattr_list_read(udev_device);
+                if (0 > ret)
+                        return NULL;
+        }
 
-	return udev_list_get_entry(&udev_device->sysattr_list);
+        return udev_list_get_entry(&udev_device->sysattr_list);
 }
 
 int udev_device_set_syspath(struct udev_device *udev_device, const char *syspath)
 {
-	const char *pos;
-	size_t len;
+        const char *pos;
+        size_t len;
 
-	free(udev_device->syspath);
-	udev_device->syspath = strdup(syspath);
-	if (udev_device->syspath ==  NULL)
-		return -ENOMEM;
-	udev_device->devpath = &udev_device->syspath[strlen(udev_get_sys_path(udev_device->udev))];
-	udev_device_add_property(udev_device, "DEVPATH", udev_device->devpath);
+        free(udev_device->syspath);
+        udev_device->syspath = strdup(syspath);
+        if (udev_device->syspath ==  NULL)
+                return -ENOMEM;
+        udev_device->devpath = &udev_device->syspath[strlen(udev_get_sys_path(udev_device->udev))];
+        udev_device_add_property(udev_device, "DEVPATH", udev_device->devpath);
 
-	pos = strrchr(udev_device->syspath, '/');
-	if (pos == NULL)
-		return -EINVAL;
-	udev_device->sysname = strdup(&pos[1]);
-	if (udev_device->sysname == NULL)
-		return -ENOMEM;
+        pos = strrchr(udev_device->syspath, '/');
+        if (pos == NULL)
+                return -EINVAL;
+        udev_device->sysname = strdup(&pos[1]);
+        if (udev_device->sysname == NULL)
+                return -ENOMEM;
 
-	/* some devices have '!' in their name, change that to '/' */
-	len = 0;
-	while (udev_device->sysname[len] != '\0') {
-		if (udev_device->sysname[len] == '!')
-			udev_device->sysname[len] = '/';
-		len++;
-	}
+        /* some devices have '!' in their name, change that to '/' */
+        len = 0;
+        while (udev_device->sysname[len] != '\0') {
+                if (udev_device->sysname[len] == '!')
+                        udev_device->sysname[len] = '/';
+                len++;
+        }
 
-	/* trailing number */
-	while (len > 0 && isdigit(udev_device->sysname[--len]))
-		udev_device->sysnum = &udev_device->sysname[len];
+        /* trailing number */
+        while (len > 0 && isdigit(udev_device->sysname[--len]))
+                udev_device->sysnum = &udev_device->sysname[len];
 
-	/* sysname is completely numeric */
-	if (len == 0)
-		udev_device->sysnum = NULL;
+        /* sysname is completely numeric */
+        if (len == 0)
+                udev_device->sysnum = NULL;
 
-	return 0;
+        return 0;
 }
 
 int udev_device_set_devnode(struct udev_device *udev_device, const char *devnode)
 {
-	free(udev_device->devnode);
-	if (devnode[0] != '/') {
-		if (asprintf(&udev_device->devnode, "%s/%s", udev_get_dev_path(udev_device->udev), devnode) < 0)
-			udev_device->devnode = NULL;
-	} else {
-		udev_device->devnode = strdup(devnode);
-	}
-	if (udev_device->devnode == NULL)
-		return -ENOMEM;
-	udev_device_add_property(udev_device, "DEVNAME", udev_device->devnode);
-	return 0;
+        free(udev_device->devnode);
+        if (devnode[0] != '/') {
+                if (asprintf(&udev_device->devnode, "%s/%s", udev_get_dev_path(udev_device->udev), devnode) < 0)
+                        udev_device->devnode = NULL;
+        } else {
+                udev_device->devnode = strdup(devnode);
+        }
+        if (udev_device->devnode == NULL)
+                return -ENOMEM;
+        udev_device_add_property(udev_device, "DEVNAME", udev_device->devnode);
+        return 0;
 }
 
 int udev_device_add_devlink(struct udev_device *udev_device, const char *devlink, int unique)
 {
-	struct udev_list_entry *list_entry;
+        struct udev_list_entry *list_entry;
 
-	udev_device->devlinks_uptodate = false;
-	list_entry = udev_list_entry_add(&udev_device->devlinks_list, devlink, NULL);
-	if (list_entry == NULL)
-		return -ENOMEM;
-	if (unique)
-		udev_list_entry_set_num(list_entry, true);
-	return 0;
+        udev_device->devlinks_uptodate = false;
+        list_entry = udev_list_entry_add(&udev_device->devlinks_list, devlink, NULL);
+        if (list_entry == NULL)
+                return -ENOMEM;
+        if (unique)
+                udev_list_entry_set_num(list_entry, true);
+        return 0;
 }
 
 const char *udev_device_get_id_filename(struct udev_device *udev_device)
 {
-	if (udev_device->id_filename == NULL) {
-		if (udev_device_get_subsystem(udev_device) == NULL)
-			return NULL;
-
-		if (major(udev_device_get_devnum(udev_device)) > 0) {
-			/* use dev_t -- b259:131072, c254:0 */
-			if (asprintf(&udev_device->id_filename, "%c%u:%u",
-				     strcmp(udev_device_get_subsystem(udev_device), "block") == 0 ? 'b' : 'c',
-				     major(udev_device_get_devnum(udev_device)),
-				     minor(udev_device_get_devnum(udev_device))) < 0)
-				udev_device->id_filename = NULL;
-		} else if (udev_device_get_ifindex(udev_device) > 0) {
-			/* use netdev ifindex -- n3 */
-			if (asprintf(&udev_device->id_filename, "n%u", udev_device_get_ifindex(udev_device)) < 0)
-				udev_device->id_filename = NULL;
-		} else {
-			/*
-			 * use $subsys:$syname -- pci:0000:00:1f.2
-			 * sysname() has '!' translated, get it from devpath
-			 */
-			const char *sysname;
-			sysname = strrchr(udev_device->devpath, '/');
-			if (sysname == NULL)
-				return NULL;
-			sysname = &sysname[1];
-			if (asprintf(&udev_device->id_filename, "+%s:%s", udev_device_get_subsystem(udev_device), sysname) < 0)
-				udev_device->id_filename = NULL;
-		}
-	}
-	return udev_device->id_filename;
+        if (udev_device->id_filename == NULL) {
+                if (udev_device_get_subsystem(udev_device) == NULL)
+                        return NULL;
+
+                if (major(udev_device_get_devnum(udev_device)) > 0) {
+                        /* use dev_t -- b259:131072, c254:0 */
+                        if (asprintf(&udev_device->id_filename, "%c%u:%u",
+                                     strcmp(udev_device_get_subsystem(udev_device), "block") == 0 ? 'b' : 'c',
+                                     major(udev_device_get_devnum(udev_device)),
+                                     minor(udev_device_get_devnum(udev_device))) < 0)
+                                udev_device->id_filename = NULL;
+                } else if (udev_device_get_ifindex(udev_device) > 0) {
+                        /* use netdev ifindex -- n3 */
+                        if (asprintf(&udev_device->id_filename, "n%u", udev_device_get_ifindex(udev_device)) < 0)
+                                udev_device->id_filename = NULL;
+                } else {
+                        /*
+                         * use $subsys:$syname -- pci:0000:00:1f.2
+                         * sysname() has '!' translated, get it from devpath
+                         */
+                        const char *sysname;
+                        sysname = strrchr(udev_device->devpath, '/');
+                        if (sysname == NULL)
+                                return NULL;
+                        sysname = &sysname[1];
+                        if (asprintf(&udev_device->id_filename, "+%s:%s", udev_device_get_subsystem(udev_device), sysname) < 0)
+                                udev_device->id_filename = NULL;
+                }
+        }
+        return udev_device->id_filename;
 }
 
 /**
@@ -1559,30 +1559,30 @@ const char *udev_device_get_id_filename(struct udev_device *udev_device)
  **/
 UDEV_EXPORT int udev_device_get_is_initialized(struct udev_device *udev_device)
 {
-	if (!udev_device->info_loaded)
-		udev_device_read_db(udev_device, NULL);
-	return udev_device->is_initialized;
+        if (!udev_device->info_loaded)
+                udev_device_read_db(udev_device, NULL);
+        return udev_device->is_initialized;
 }
 
 void udev_device_set_is_initialized(struct udev_device *udev_device)
 {
-	udev_device->is_initialized = true;
+        udev_device->is_initialized = true;
 }
 
 int udev_device_add_tag(struct udev_device *udev_device, const char *tag)
 {
-	if (strchr(tag, ':') != NULL || strchr(tag, ' ') != NULL)
-		return -EINVAL;
-	udev_device->tags_uptodate = false;
-	if (udev_list_entry_add(&udev_device->tags_list, tag, NULL) != NULL)
-		return 0;
-	return -ENOMEM;
+        if (strchr(tag, ':') != NULL || strchr(tag, ' ') != NULL)
+                return -EINVAL;
+        udev_device->tags_uptodate = false;
+        if (udev_list_entry_add(&udev_device->tags_list, tag, NULL) != NULL)
+                return 0;
+        return -ENOMEM;
 }
 
 void udev_device_cleanup_tags_list(struct udev_device *udev_device)
 {
-	udev_device->tags_uptodate = false;
-	udev_list_cleanup(&udev_device->tags_list);
+        udev_device->tags_uptodate = false;
+        udev_list_cleanup(&udev_device->tags_list);
 }
 
 /**
@@ -1598,140 +1598,140 @@ void udev_device_cleanup_tags_list(struct udev_device *udev_device)
  **/
 UDEV_EXPORT struct udev_list_entry *udev_device_get_tags_list_entry(struct udev_device *udev_device)
 {
-	if (udev_device == NULL)
-		return NULL;
-	if (!udev_device->info_loaded)
-		udev_device_read_db(udev_device, NULL);
-	return udev_list_get_entry(&udev_device->tags_list);
+        if (udev_device == NULL)
+                return NULL;
+        if (!udev_device->info_loaded)
+                udev_device_read_db(udev_device, NULL);
+        return udev_list_get_entry(&udev_device->tags_list);
 }
 
 UDEV_EXPORT int udev_device_has_tag(struct udev_device *udev_device, const char *tag)
 {
-	struct udev_list_entry *list_entry;
+        struct udev_list_entry *list_entry;
 
-	if (udev_device == NULL)
-		return false;
-	if (!udev_device->info_loaded)
-		udev_device_read_db(udev_device, NULL);
-	list_entry = udev_device_get_tags_list_entry(udev_device);
-	if (udev_list_entry_get_by_name(list_entry, tag) != NULL)
-		return true;
-	return false;
+        if (udev_device == NULL)
+                return false;
+        if (!udev_device->info_loaded)
+                udev_device_read_db(udev_device, NULL);
+        list_entry = udev_device_get_tags_list_entry(udev_device);
+        if (udev_list_entry_get_by_name(list_entry, tag) != NULL)
+                return true;
+        return false;
 }
 
-#define ENVP_SIZE			128
-#define MONITOR_BUF_SIZE		4096
+#define ENVP_SIZE                        128
+#define MONITOR_BUF_SIZE                4096
 static int update_envp_monitor_buf(struct udev_device *udev_device)
 {
-	struct udev_list_entry *list_entry;
-	char *s;
-	size_t l;
-	unsigned int i;
-
-	/* monitor buffer of property strings */
-	free(udev_device->monitor_buf);
-	udev_device->monitor_buf_len = 0;
-	udev_device->monitor_buf = malloc(MONITOR_BUF_SIZE);
-	if (udev_device->monitor_buf == NULL)
-		return -ENOMEM;
-
-	/* envp array, strings will point into monitor buffer */
-	if (udev_device->envp == NULL)
-		udev_device->envp = malloc(sizeof(char *) * ENVP_SIZE);
-	if (udev_device->envp == NULL)
-		return -ENOMEM;
-
-	i = 0;
-	s = udev_device->monitor_buf;
-	l = MONITOR_BUF_SIZE;
-	udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) {
-		const char *key;
-
-		key = udev_list_entry_get_name(list_entry);
-		/* skip private variables */
-		if (key[0] == '.')
-			continue;
-
-		/* add string to envp array */
-		udev_device->envp[i++] = s;
-		if (i+1 >= ENVP_SIZE)
-			return -EINVAL;
-
-		/* add property string to monitor buffer */
-		l = util_strpcpyl(&s, l, key, "=", udev_list_entry_get_value(list_entry), NULL);
-		if (l == 0)
-			return -EINVAL;
-		/* advance past the trailing '\0' that util_strpcpyl() guarantees */
-		s++;
-		l--;
-	}
-	udev_device->envp[i] = NULL;
-	udev_device->monitor_buf_len = s - udev_device->monitor_buf;
-	udev_device->envp_uptodate = true;
-	dbg(udev_device->udev, "filled envp/monitor buffer, %u properties, %zu bytes\n",
-	    i, udev_device->monitor_buf_len);
-	return 0;
+        struct udev_list_entry *list_entry;
+        char *s;
+        size_t l;
+        unsigned int i;
+
+        /* monitor buffer of property strings */
+        free(udev_device->monitor_buf);
+        udev_device->monitor_buf_len = 0;
+        udev_device->monitor_buf = malloc(MONITOR_BUF_SIZE);
+        if (udev_device->monitor_buf == NULL)
+                return -ENOMEM;
+
+        /* envp array, strings will point into monitor buffer */
+        if (udev_device->envp == NULL)
+                udev_device->envp = malloc(sizeof(char *) * ENVP_SIZE);
+        if (udev_device->envp == NULL)
+                return -ENOMEM;
+
+        i = 0;
+        s = udev_device->monitor_buf;
+        l = MONITOR_BUF_SIZE;
+        udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) {
+                const char *key;
+
+                key = udev_list_entry_get_name(list_entry);
+                /* skip private variables */
+                if (key[0] == '.')
+                        continue;
+
+                /* add string to envp array */
+                udev_device->envp[i++] = s;
+                if (i+1 >= ENVP_SIZE)
+                        return -EINVAL;
+
+                /* add property string to monitor buffer */
+                l = util_strpcpyl(&s, l, key, "=", udev_list_entry_get_value(list_entry), NULL);
+                if (l == 0)
+                        return -EINVAL;
+                /* advance past the trailing '\0' that util_strpcpyl() guarantees */
+                s++;
+                l--;
+        }
+        udev_device->envp[i] = NULL;
+        udev_device->monitor_buf_len = s - udev_device->monitor_buf;
+        udev_device->envp_uptodate = true;
+        dbg(udev_device->udev, "filled envp/monitor buffer, %u properties, %zu bytes\n",
+            i, udev_device->monitor_buf_len);
+        return 0;
 }
 
 char **udev_device_get_properties_envp(struct udev_device *udev_device)
 {
-	if (!udev_device->envp_uptodate)
-		if (update_envp_monitor_buf(udev_device) != 0)
-			return NULL;
-	return udev_device->envp;
+        if (!udev_device->envp_uptodate)
+                if (update_envp_monitor_buf(udev_device) != 0)
+                        return NULL;
+        return udev_device->envp;
 }
 
 ssize_t udev_device_get_properties_monitor_buf(struct udev_device *udev_device, const char **buf)
 {
-	if (!udev_device->envp_uptodate)
-		if (update_envp_monitor_buf(udev_device) != 0)
-			return -EINVAL;
-	*buf = udev_device->monitor_buf;
-	return udev_device->monitor_buf_len;
+        if (!udev_device->envp_uptodate)
+                if (update_envp_monitor_buf(udev_device) != 0)
+                        return -EINVAL;
+        *buf = udev_device->monitor_buf;
+        return udev_device->monitor_buf_len;
 }
 
 int udev_device_set_action(struct udev_device *udev_device, const char *action)
 {
-	free(udev_device->action);
-	udev_device->action = strdup(action);
-	if (udev_device->action == NULL)
-		return -ENOMEM;
-	udev_device_add_property(udev_device, "ACTION", udev_device->action);
-	return 0;
+        free(udev_device->action);
+        udev_device->action = strdup(action);
+        if (udev_device->action == NULL)
+                return -ENOMEM;
+        udev_device_add_property(udev_device, "ACTION", udev_device->action);
+        return 0;
 }
 
 int udev_device_get_devlink_priority(struct udev_device *udev_device)
 {
-	if (!udev_device->info_loaded)
-		udev_device_read_db(udev_device, NULL);
-	return udev_device->devlink_priority;
+        if (!udev_device->info_loaded)
+                udev_device_read_db(udev_device, NULL);
+        return udev_device->devlink_priority;
 }
 
 int udev_device_set_devlink_priority(struct udev_device *udev_device, int prio)
 {
-	 udev_device->devlink_priority = prio;
-	return 0;
+         udev_device->devlink_priority = prio;
+        return 0;
 }
 
 int udev_device_get_watch_handle(struct udev_device *udev_device)
 {
-	if (!udev_device->info_loaded)
-		udev_device_read_db(udev_device, NULL);
-	return udev_device->watch_handle;
+        if (!udev_device->info_loaded)
+                udev_device_read_db(udev_device, NULL);
+        return udev_device->watch_handle;
 }
 
 int udev_device_set_watch_handle(struct udev_device *udev_device, int handle)
 {
-	udev_device->watch_handle = handle;
-	return 0;
+        udev_device->watch_handle = handle;
+        return 0;
 }
 
 bool udev_device_get_db_persist(struct udev_device *udev_device)
 {
-	return udev_device->db_persist;
+        return udev_device->db_persist;
 }
 
 void udev_device_set_db_persist(struct udev_device *udev_device)
 {
-	udev_device->db_persist = true;
+        udev_device->db_persist = true;
 }
diff --git a/src/libudev-enumerate.c b/src/libudev-enumerate.c
index f14d5c8f..9a572ef0 100644
--- a/src/libudev-enumerate.c
+++ b/src/libudev-enumerate.c
@@ -33,8 +33,8 @@
  */
 
 struct syspath {
-	char *syspath;
-	size_t len;
+        char *syspath;
+        size_t len;
 };
 
 /**
@@ -43,22 +43,22 @@ struct syspath {
  * Opaque object representing one device lookup/sort context.
  */
 struct udev_enumerate {
-	struct udev *udev;
-	int refcount;
-	struct udev_list sysattr_match_list;
-	struct udev_list sysattr_nomatch_list;
-	struct udev_list subsystem_match_list;
-	struct udev_list subsystem_nomatch_list;
-	struct udev_list sysname_match_list;
-	struct udev_list properties_match_list;
-	struct udev_list tags_match_list;
-	struct udev_device *parent_match;
-	struct udev_list devices_list;
-	struct syspath *devices;
-	unsigned int devices_cur;
-	unsigned int devices_max;
-	bool devices_uptodate:1;
-	bool match_is_initialized;
+        struct udev *udev;
+        int refcount;
+        struct udev_list sysattr_match_list;
+        struct udev_list sysattr_nomatch_list;
+        struct udev_list subsystem_match_list;
+        struct udev_list subsystem_nomatch_list;
+        struct udev_list sysname_match_list;
+        struct udev_list properties_match_list;
+        struct udev_list tags_match_list;
+        struct udev_device *parent_match;
+        struct udev_list devices_list;
+        struct syspath *devices;
+        unsigned int devices_cur;
+        unsigned int devices_max;
+        bool devices_uptodate:1;
+        bool match_is_initialized;
 };
 
 /**
@@ -69,22 +69,22 @@ struct udev_enumerate {
  **/
 UDEV_EXPORT struct udev_enumerate *udev_enumerate_new(struct udev *udev)
 {
-	struct udev_enumerate *udev_enumerate;
+        struct udev_enumerate *udev_enumerate;
 
-	udev_enumerate = calloc(1, sizeof(struct udev_enumerate));
-	if (udev_enumerate == NULL)
-		return NULL;
-	udev_enumerate->refcount = 1;
-	udev_enumerate->udev = udev;
-	udev_list_init(udev, &udev_enumerate->sysattr_match_list, false);
-	udev_list_init(udev, &udev_enumerate->sysattr_nomatch_list, false);
-	udev_list_init(udev, &udev_enumerate->subsystem_match_list, true);
-	udev_list_init(udev, &udev_enumerate->subsystem_nomatch_list, true);
-	udev_list_init(udev, &udev_enumerate->sysname_match_list, true);
-	udev_list_init(udev, &udev_enumerate->properties_match_list, false);
-	udev_list_init(udev, &udev_enumerate->tags_match_list, true);
-	udev_list_init(udev, &udev_enumerate->devices_list, false);
-	return udev_enumerate;
+        udev_enumerate = calloc(1, sizeof(struct udev_enumerate));
+        if (udev_enumerate == NULL)
+                return NULL;
+        udev_enumerate->refcount = 1;
+        udev_enumerate->udev = udev;
+        udev_list_init(udev, &udev_enumerate->sysattr_match_list, false);
+        udev_list_init(udev, &udev_enumerate->sysattr_nomatch_list, false);
+        udev_list_init(udev, &udev_enumerate->subsystem_match_list, true);
+        udev_list_init(udev, &udev_enumerate->subsystem_nomatch_list, true);
+        udev_list_init(udev, &udev_enumerate->sysname_match_list, true);
+        udev_list_init(udev, &udev_enumerate->properties_match_list, false);
+        udev_list_init(udev, &udev_enumerate->tags_match_list, true);
+        udev_list_init(udev, &udev_enumerate->devices_list, false);
+        return udev_enumerate;
 }
 
 /**
@@ -97,10 +97,10 @@ UDEV_EXPORT struct udev_enumerate *udev_enumerate_new(struct udev *udev)
  **/
 UDEV_EXPORT struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enumerate)
 {
-	if (udev_enumerate == NULL)
-		return NULL;
-	udev_enumerate->refcount++;
-	return udev_enumerate;
+        if (udev_enumerate == NULL)
+                return NULL;
+        udev_enumerate->refcount++;
+        return udev_enumerate;
 }
 
 /**
@@ -112,26 +112,26 @@ UDEV_EXPORT struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *ude
  **/
 UDEV_EXPORT void udev_enumerate_unref(struct udev_enumerate *udev_enumerate)
 {
-	unsigned int i;
-
-	if (udev_enumerate == NULL)
-		return;
-	udev_enumerate->refcount--;
-	if (udev_enumerate->refcount > 0)
-		return;
-	udev_list_cleanup(&udev_enumerate->sysattr_match_list);
-	udev_list_cleanup(&udev_enumerate->sysattr_nomatch_list);
-	udev_list_cleanup(&udev_enumerate->subsystem_match_list);
-	udev_list_cleanup(&udev_enumerate->subsystem_nomatch_list);
-	udev_list_cleanup(&udev_enumerate->sysname_match_list);
-	udev_list_cleanup(&udev_enumerate->properties_match_list);
-	udev_list_cleanup(&udev_enumerate->tags_match_list);
-	udev_device_unref(udev_enumerate->parent_match);
-	udev_list_cleanup(&udev_enumerate->devices_list);
-	for (i = 0; i < udev_enumerate->devices_cur; i++)
-		free(udev_enumerate->devices[i].syspath);
-	free(udev_enumerate->devices);
-	free(udev_enumerate);
+        unsigned int i;
+
+        if (udev_enumerate == NULL)
+                return;
+        udev_enumerate->refcount--;
+        if (udev_enumerate->refcount > 0)
+                return;
+        udev_list_cleanup(&udev_enumerate->sysattr_match_list);
+        udev_list_cleanup(&udev_enumerate->sysattr_nomatch_list);
+        udev_list_cleanup(&udev_enumerate->subsystem_match_list);
+        udev_list_cleanup(&udev_enumerate->subsystem_nomatch_list);
+        udev_list_cleanup(&udev_enumerate->sysname_match_list);
+        udev_list_cleanup(&udev_enumerate->properties_match_list);
+        udev_list_cleanup(&udev_enumerate->tags_match_list);
+        udev_device_unref(udev_enumerate->parent_match);
+        udev_list_cleanup(&udev_enumerate->devices_list);
+        for (i = 0; i < udev_enumerate->devices_cur; i++)
+                free(udev_enumerate->devices[i].syspath);
+        free(udev_enumerate->devices);
+        free(udev_enumerate);
 }
 
 /**
@@ -142,79 +142,79 @@ UDEV_EXPORT void udev_enumerate_unref(struct udev_enumerate *udev_enumerate)
  */
 UDEV_EXPORT struct udev *udev_enumerate_get_udev(struct udev_enumerate *udev_enumerate)
 {
-	if (udev_enumerate == NULL)
-		return NULL;
-	return udev_enumerate->udev;
+        if (udev_enumerate == NULL)
+                return NULL;
+        return udev_enumerate->udev;
 }
 
 static int syspath_add(struct udev_enumerate *udev_enumerate, const char *syspath)
 {
-	char *path;
-	struct syspath *entry;
-
-	/* double array size if needed */
-	if (udev_enumerate->devices_cur >= udev_enumerate->devices_max) {
-		struct syspath *buf;
-		unsigned int add;
-
-		add = udev_enumerate->devices_max;
-		if (add < 1024)
-			add = 1024;
-		buf = realloc(udev_enumerate->devices, (udev_enumerate->devices_max + add) * sizeof(struct syspath));
-		if (buf == NULL)
-			return -ENOMEM;
-		udev_enumerate->devices = buf;
-		udev_enumerate->devices_max += add;
-	}
-
-	path = strdup(syspath);
-	if (path == NULL)
-		return -ENOMEM;
-	entry = &udev_enumerate->devices[udev_enumerate->devices_cur];
-	entry->syspath = path;
-	entry->len = strlen(path);
-	udev_enumerate->devices_cur++;
-	udev_enumerate->devices_uptodate = false;
-	return 0;
+        char *path;
+        struct syspath *entry;
+
+        /* double array size if needed */
+        if (udev_enumerate->devices_cur >= udev_enumerate->devices_max) {
+                struct syspath *buf;
+                unsigned int add;
+
+                add = udev_enumerate->devices_max;
+                if (add < 1024)
+                        add = 1024;
+                buf = realloc(udev_enumerate->devices, (udev_enumerate->devices_max + add) * sizeof(struct syspath));
+                if (buf == NULL)
+                        return -ENOMEM;
+                udev_enumerate->devices = buf;
+                udev_enumerate->devices_max += add;
+        }
+
+        path = strdup(syspath);
+        if (path == NULL)
+                return -ENOMEM;
+        entry = &udev_enumerate->devices[udev_enumerate->devices_cur];
+        entry->syspath = path;
+        entry->len = strlen(path);
+        udev_enumerate->devices_cur++;
+        udev_enumerate->devices_uptodate = false;
+        return 0;
 }
 
 static int syspath_cmp(const void *p1, const void *p2)
 {
-	const struct syspath *path1 = p1;
-	const struct syspath *path2 = p2;
-	size_t len;
-	int ret;
+        const struct syspath *path1 = p1;
+        const struct syspath *path2 = p2;
+        size_t len;
+        int ret;
 
-	len = MIN(path1->len, path2->len);
-	ret = memcmp(path1->syspath, path2->syspath, len);
-	if (ret == 0) {
-		if (path1->len < path2->len)
-			ret = -1;
-		else if (path1->len > path2->len)
-			ret = 1;
-	}
-	return ret;
+        len = MIN(path1->len, path2->len);
+        ret = memcmp(path1->syspath, path2->syspath, len);
+        if (ret == 0) {
+                if (path1->len < path2->len)
+                        ret = -1;
+                else if (path1->len > path2->len)
+                        ret = 1;
+        }
+        return ret;
 }
 
 /* For devices that should be moved to the absolute end of the list */
 static bool devices_delay_end(struct udev *udev, const char *syspath)
 {
-	static const char *delay_device_list[] = {
-		"/block/md",
-		"/block/dm-",
-		NULL
-	};
-	size_t len;
-	int i;
+        static const char *delay_device_list[] = {
+                "/block/md",
+                "/block/dm-",
+                NULL
+        };
+        size_t len;
+        int i;
 
-	len = strlen(udev_get_sys_path(udev));
-	for (i = 0; delay_device_list[i] != NULL; i++) {
-		if (strstr(&syspath[len], delay_device_list[i]) != NULL) {
-			dbg(udev, "delaying: %s\n", syspath);
-			return true;
-		}
-	}
-	return false;
+        len = strlen(udev_get_sys_path(udev));
+        for (i = 0; delay_device_list[i] != NULL; i++) {
+                if (strstr(&syspath[len], delay_device_list[i]) != NULL) {
+                        dbg(udev, "delaying: %s\n", syspath);
+                        return true;
+                }
+        }
+        return false;
 }
 
 /* For devices that should just be moved a little bit later, just
@@ -222,25 +222,25 @@ static bool devices_delay_end(struct udev *udev, const char *syspath)
  * number of characters that make up that common prefix */
 static size_t devices_delay_later(struct udev *udev, const char *syspath)
 {
-	const char *c;
+        const char *c;
 
-	/* For sound cards the control device must be enumerated last
-	 * to make sure it's the final device node that gets ACLs
-	 * applied. Applications rely on this fact and use ACL changes
-	 * on the control node as an indicator that the ACL change of
-	 * the entire sound card completed. The kernel makes this
-	 * guarantee when creating those devices, and hence we should
-	 * too when enumerating them. */
+        /* For sound cards the control device must be enumerated last
+         * to make sure it's the final device node that gets ACLs
+         * applied. Applications rely on this fact and use ACL changes
+         * on the control node as an indicator that the ACL change of
+         * the entire sound card completed. The kernel makes this
+         * guarantee when creating those devices, and hence we should
+         * too when enumerating them. */
 
-	if ((c = strstr(syspath, "/sound/card"))) {
-		c += 11;
-		c += strcspn(c, "/");
+        if ((c = strstr(syspath, "/sound/card"))) {
+                c += 11;
+                c += strcspn(c, "/");
 
-		if (strncmp(c, "/controlC", 9) == 0)
-			return c - syspath + 1;
-	}
+                if (strncmp(c, "/controlC", 9) == 0)
+                        return c - syspath + 1;
+        }
 
-	return 0;
+        return 0;
 }
 
 /**
@@ -251,73 +251,73 @@ static size_t devices_delay_later(struct udev *udev, const char *syspath)
  */
 UDEV_EXPORT struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_enumerate *udev_enumerate)
 {
-	if (udev_enumerate == NULL)
-		return NULL;
-	if (!udev_enumerate->devices_uptodate) {
-		unsigned int i;
-		unsigned int max;
-		struct syspath *prev = NULL, *move_later = NULL;
-		size_t move_later_prefix = 0;
-
-		udev_list_cleanup(&udev_enumerate->devices_list);
-		qsort(udev_enumerate->devices, udev_enumerate->devices_cur, sizeof(struct syspath), syspath_cmp);
-
-		max = udev_enumerate->devices_cur;
-		for (i = 0; i < max; i++) {
-			struct syspath *entry = &udev_enumerate->devices[i];
-
-			/* skip duplicated entries */
-			if (prev != NULL &&
-			    entry->len == prev->len &&
-			    memcmp(entry->syspath, prev->syspath, entry->len) == 0)
-				continue;
-			prev = entry;
-
-			/* skip to be delayed devices, and add them to the end of the list */
-			if (devices_delay_end(udev_enumerate->udev, entry->syspath)) {
-				syspath_add(udev_enumerate, entry->syspath);
-				/* need to update prev here for the case realloc() gives a different address */
-				prev = &udev_enumerate->devices[i];
-				continue;
-			}
-
-			/* skip to be delayed devices, and move the to
-			 * the point where the prefix changes. We can
-			 * only move one item at a time. */
-			if (!move_later) {
-				move_later_prefix = devices_delay_later(udev_enumerate->udev, entry->syspath);
-
-				if (move_later_prefix > 0) {
-					move_later = entry;
-					continue;
-				}
-			}
-
-			if (move_later &&
-			    strncmp(entry->syspath, move_later->syspath, move_later_prefix) != 0) {
-
-				udev_list_entry_add(&udev_enumerate->devices_list, move_later->syspath, NULL);
-				move_later = NULL;
-			}
-
-			udev_list_entry_add(&udev_enumerate->devices_list, entry->syspath, NULL);
-		}
-
-		if (move_later)
-			udev_list_entry_add(&udev_enumerate->devices_list, move_later->syspath, NULL);
-
-		/* add and cleanup delayed devices from end of list */
-		for (i = max; i < udev_enumerate->devices_cur; i++) {
-			struct syspath *entry = &udev_enumerate->devices[i];
-
-			udev_list_entry_add(&udev_enumerate->devices_list, entry->syspath, NULL);
-			free(entry->syspath);
-		}
-		udev_enumerate->devices_cur = max;
-
-		udev_enumerate->devices_uptodate = true;
-	}
-	return udev_list_get_entry(&udev_enumerate->devices_list);
+        if (udev_enumerate == NULL)
+                return NULL;
+        if (!udev_enumerate->devices_uptodate) {
+                unsigned int i;
+                unsigned int max;
+                struct syspath *prev = NULL, *move_later = NULL;
+                size_t move_later_prefix = 0;
+
+                udev_list_cleanup(&udev_enumerate->devices_list);
+                qsort(udev_enumerate->devices, udev_enumerate->devices_cur, sizeof(struct syspath), syspath_cmp);
+
+                max = udev_enumerate->devices_cur;
+                for (i = 0; i < max; i++) {
+                        struct syspath *entry = &udev_enumerate->devices[i];
+
+                        /* skip duplicated entries */
+                        if (prev != NULL &&
+                            entry->len == prev->len &&
+                            memcmp(entry->syspath, prev->syspath, entry->len) == 0)
+                                continue;
+                        prev = entry;
+
+                        /* skip to be delayed devices, and add them to the end of the list */
+                        if (devices_delay_end(udev_enumerate->udev, entry->syspath)) {
+                                syspath_add(udev_enumerate, entry->syspath);
+                                /* need to update prev here for the case realloc() gives a different address */
+                                prev = &udev_enumerate->devices[i];
+                                continue;
+                        }
+
+                        /* skip to be delayed devices, and move the to
+                         * the point where the prefix changes. We can
+                         * only move one item at a time. */
+                        if (!move_later) {
+                                move_later_prefix = devices_delay_later(udev_enumerate->udev, entry->syspath);
+
+                                if (move_later_prefix > 0) {
+                                        move_later = entry;
+                                        continue;
+                                }
+                        }
+
+                        if (move_later &&
+                            strncmp(entry->syspath, move_later->syspath, move_later_prefix) != 0) {
+
+                                udev_list_entry_add(&udev_enumerate->devices_list, move_later->syspath, NULL);
+                                move_later = NULL;
+                        }
+
+                        udev_list_entry_add(&udev_enumerate->devices_list, entry->syspath, NULL);
+                }
+
+                if (move_later)
+                        udev_list_entry_add(&udev_enumerate->devices_list, move_later->syspath, NULL);
+
+                /* add and cleanup delayed devices from end of list */
+                for (i = max; i < udev_enumerate->devices_cur; i++) {
+                        struct syspath *entry = &udev_enumerate->devices[i];
+
+                        udev_list_entry_add(&udev_enumerate->devices_list, entry->syspath, NULL);
+                        free(entry->syspath);
+                }
+                udev_enumerate->devices_cur = max;
+
+                udev_enumerate->devices_uptodate = true;
+        }
+        return udev_list_get_entry(&udev_enumerate->devices_list);
 }
 
 /**
@@ -329,13 +329,13 @@ UDEV_EXPORT struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_en
  */
 UDEV_EXPORT int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem)
 {
-	if (udev_enumerate == NULL)
-		return -EINVAL;
-	if (subsystem == NULL)
-		return 0;
-	if (udev_list_entry_add(&udev_enumerate->subsystem_match_list, subsystem, NULL) == NULL)
-		return -ENOMEM;
-	return 0;
+        if (udev_enumerate == NULL)
+                return -EINVAL;
+        if (subsystem == NULL)
+                return 0;
+        if (udev_list_entry_add(&udev_enumerate->subsystem_match_list, subsystem, NULL) == NULL)
+                return -ENOMEM;
+        return 0;
 }
 
 /**
@@ -347,13 +347,13 @@ UDEV_EXPORT int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_e
  */
 UDEV_EXPORT int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem)
 {
-	if (udev_enumerate == NULL)
-		return -EINVAL;
-	if (subsystem == NULL)
-		return 0;
-	if (udev_list_entry_add(&udev_enumerate->subsystem_nomatch_list, subsystem, NULL) == NULL)
-		return -ENOMEM;
-	return 0;
+        if (udev_enumerate == NULL)
+                return -EINVAL;
+        if (subsystem == NULL)
+                return 0;
+        if (udev_list_entry_add(&udev_enumerate->subsystem_nomatch_list, subsystem, NULL) == NULL)
+                return -ENOMEM;
+        return 0;
 }
 
 /**
@@ -366,13 +366,13 @@ UDEV_EXPORT int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev
  */
 UDEV_EXPORT int udev_enumerate_add_match_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value)
 {
-	if (udev_enumerate == NULL)
-		return -EINVAL;
-	if (sysattr == NULL)
-		return 0;
-	if (udev_list_entry_add(&udev_enumerate->sysattr_match_list, sysattr, value) == NULL)
-		return -ENOMEM;
-	return 0;
+        if (udev_enumerate == NULL)
+                return -EINVAL;
+        if (sysattr == NULL)
+                return 0;
+        if (udev_list_entry_add(&udev_enumerate->sysattr_match_list, sysattr, value) == NULL)
+                return -ENOMEM;
+        return 0;
 }
 
 /**
@@ -385,33 +385,33 @@ UDEV_EXPORT int udev_enumerate_add_match_sysattr(struct udev_enumerate *udev_enu
  */
 UDEV_EXPORT int udev_enumerate_add_nomatch_sysattr(struct udev_enumerate *udev_enumerate, const char *sysattr, const char *value)
 {
-	if (udev_enumerate == NULL)
-		return -EINVAL;
-	if (sysattr == NULL)
-		return 0;
-	if (udev_list_entry_add(&udev_enumerate->sysattr_nomatch_list, sysattr, value) == NULL)
-		return -ENOMEM;
-	return 0;
+        if (udev_enumerate == NULL)
+                return -EINVAL;
+        if (sysattr == NULL)
+                return 0;
+        if (udev_list_entry_add(&udev_enumerate->sysattr_nomatch_list, sysattr, value) == NULL)
+                return -ENOMEM;
+        return 0;
 }
 
 static int match_sysattr_value(struct udev_device *dev, const char *sysattr, const char *match_val)
 {
-	const char *val = NULL;
-	bool match = false;
-
-	val = udev_device_get_sysattr_value(dev, sysattr);
-	if (val == NULL)
-		goto exit;
-	if (match_val == NULL) {
-		match = true;
-		goto exit;
-	}
-	if (fnmatch(match_val, val, 0) == 0) {
-		match = true;
-		goto exit;
-	}
+        const char *val = NULL;
+        bool match = false;
+
+        val = udev_device_get_sysattr_value(dev, sysattr);
+        if (val == NULL)
+                goto exit;
+        if (match_val == NULL) {
+                match = true;
+                goto exit;
+        }
+        if (fnmatch(match_val, val, 0) == 0) {
+                match = true;
+                goto exit;
+        }
 exit:
-	return match;
+        return match;
 }
 
 /**
@@ -424,13 +424,13 @@ exit:
  */
 UDEV_EXPORT int udev_enumerate_add_match_property(struct udev_enumerate *udev_enumerate, const char *property, const char *value)
 {
-	if (udev_enumerate == NULL)
-		return -EINVAL;
-	if (property == NULL)
-		return 0;
-	if (udev_list_entry_add(&udev_enumerate->properties_match_list, property, value) == NULL)
-		return -ENOMEM;
-	return 0;
+        if (udev_enumerate == NULL)
+                return -EINVAL;
+        if (property == NULL)
+                return 0;
+        if (udev_list_entry_add(&udev_enumerate->properties_match_list, property, value) == NULL)
+                return -ENOMEM;
+        return 0;
 }
 
 /**
@@ -442,13 +442,13 @@ UDEV_EXPORT int udev_enumerate_add_match_property(struct udev_enumerate *udev_en
  */
 UDEV_EXPORT int udev_enumerate_add_match_tag(struct udev_enumerate *udev_enumerate, const char *tag)
 {
-	if (udev_enumerate == NULL)
-		return -EINVAL;
-	if (tag == NULL)
-		return 0;
-	if (udev_list_entry_add(&udev_enumerate->tags_match_list, tag, NULL) == NULL)
-		return -ENOMEM;
-	return 0;
+        if (udev_enumerate == NULL)
+                return -EINVAL;
+        if (tag == NULL)
+                return 0;
+        if (udev_list_entry_add(&udev_enumerate->tags_match_list, tag, NULL) == NULL)
+                return -ENOMEM;
+        return 0;
 }
 
 /**
@@ -466,14 +466,14 @@ UDEV_EXPORT int udev_enumerate_add_match_tag(struct udev_enumerate *udev_enumera
  */
 UDEV_EXPORT int udev_enumerate_add_match_parent(struct udev_enumerate *udev_enumerate, struct udev_device *parent)
 {
-	if (udev_enumerate == NULL)
-		return -EINVAL;
-	if (parent == NULL)
-		return 0;
-	if (udev_enumerate->parent_match != NULL)
-		udev_device_unref(udev_enumerate->parent_match);
-	udev_enumerate->parent_match = udev_device_ref(parent);
-	return 0;
+        if (udev_enumerate == NULL)
+                return -EINVAL;
+        if (parent == NULL)
+                return 0;
+        if (udev_enumerate->parent_match != NULL)
+                udev_device_unref(udev_enumerate->parent_match);
+        udev_enumerate->parent_match = udev_device_ref(parent);
+        return 0;
 }
 
 /**
@@ -496,10 +496,10 @@ UDEV_EXPORT int udev_enumerate_add_match_parent(struct udev_enumerate *udev_enum
  */
 UDEV_EXPORT int udev_enumerate_add_match_is_initialized(struct udev_enumerate *udev_enumerate)
 {
-	if (udev_enumerate == NULL)
-		return -EINVAL;
-	udev_enumerate->match_is_initialized = true;
-	return 0;
+        if (udev_enumerate == NULL)
+                return -EINVAL;
+        udev_enumerate->match_is_initialized = true;
+        return 0;
 }
 
 /**
@@ -511,223 +511,223 @@ UDEV_EXPORT int udev_enumerate_add_match_is_initialized(struct udev_enumerate *u
  */
 UDEV_EXPORT int udev_enumerate_add_match_sysname(struct udev_enumerate *udev_enumerate, const char *sysname)
 {
-	if (udev_enumerate == NULL)
-		return -EINVAL;
-	if (sysname == NULL)
-		return 0;
-	if (udev_list_entry_add(&udev_enumerate->sysname_match_list, sysname, NULL) == NULL)
-		return -ENOMEM;
-	return 0;
+        if (udev_enumerate == NULL)
+                return -EINVAL;
+        if (sysname == NULL)
+                return 0;
+        if (udev_list_entry_add(&udev_enumerate->sysname_match_list, sysname, NULL) == NULL)
+                return -ENOMEM;
+        return 0;
 }
 
 static bool match_sysattr(struct udev_enumerate *udev_enumerate, struct udev_device *dev)
 {
-	struct udev_list_entry *list_entry;
-
-	/* skip list */
-	udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysattr_nomatch_list)) {
-		if (match_sysattr_value(dev, udev_list_entry_get_name(list_entry),
-					udev_list_entry_get_value(list_entry)))
-			return false;
-	}
-	/* include list */
-	if (udev_list_get_entry(&udev_enumerate->sysattr_match_list) != NULL) {
-		udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysattr_match_list)) {
-			/* anything that does not match, will make it FALSE */
-			if (!match_sysattr_value(dev, udev_list_entry_get_name(list_entry),
-						 udev_list_entry_get_value(list_entry)))
-				return false;
-		}
-		return true;
-	}
-	return true;
+        struct udev_list_entry *list_entry;
+
+        /* skip list */
+        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysattr_nomatch_list)) {
+                if (match_sysattr_value(dev, udev_list_entry_get_name(list_entry),
+                                        udev_list_entry_get_value(list_entry)))
+                        return false;
+        }
+        /* include list */
+        if (udev_list_get_entry(&udev_enumerate->sysattr_match_list) != NULL) {
+                udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysattr_match_list)) {
+                        /* anything that does not match, will make it FALSE */
+                        if (!match_sysattr_value(dev, udev_list_entry_get_name(list_entry),
+                                                 udev_list_entry_get_value(list_entry)))
+                                return false;
+                }
+                return true;
+        }
+        return true;
 }
 
 static bool match_property(struct udev_enumerate *udev_enumerate, struct udev_device *dev)
 {
-	struct udev_list_entry *list_entry;
-	bool match = false;
-
-	/* no match always matches */
-	if (udev_list_get_entry(&udev_enumerate->properties_match_list) == NULL)
-		return true;
-
-	/* loop over matches */
-	udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->properties_match_list)) {
-		const char *match_key = udev_list_entry_get_name(list_entry);
-		const char *match_value = udev_list_entry_get_value(list_entry);
-		struct udev_list_entry *property_entry;
-
-		/* loop over device properties */
-		udev_list_entry_foreach(property_entry, udev_device_get_properties_list_entry(dev)) {
-			const char *dev_key = udev_list_entry_get_name(property_entry);
-			const char *dev_value = udev_list_entry_get_value(property_entry);
-
-			if (fnmatch(match_key, dev_key, 0) != 0)
-				continue;
-			if (match_value == NULL && dev_value == NULL) {
-				match = true;
-				goto out;
-			}
-			if (match_value == NULL || dev_value == NULL)
-				continue;
-			if (fnmatch(match_value, dev_value, 0) == 0) {
-				match = true;
-				goto out;
-			}
-		}
-	}
+        struct udev_list_entry *list_entry;
+        bool match = false;
+
+        /* no match always matches */
+        if (udev_list_get_entry(&udev_enumerate->properties_match_list) == NULL)
+                return true;
+
+        /* loop over matches */
+        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->properties_match_list)) {
+                const char *match_key = udev_list_entry_get_name(list_entry);
+                const char *match_value = udev_list_entry_get_value(list_entry);
+                struct udev_list_entry *property_entry;
+
+                /* loop over device properties */
+                udev_list_entry_foreach(property_entry, udev_device_get_properties_list_entry(dev)) {
+                        const char *dev_key = udev_list_entry_get_name(property_entry);
+                        const char *dev_value = udev_list_entry_get_value(property_entry);
+
+                        if (fnmatch(match_key, dev_key, 0) != 0)
+                                continue;
+                        if (match_value == NULL && dev_value == NULL) {
+                                match = true;
+                                goto out;
+                        }
+                        if (match_value == NULL || dev_value == NULL)
+                                continue;
+                        if (fnmatch(match_value, dev_value, 0) == 0) {
+                                match = true;
+                                goto out;
+                        }
+                }
+        }
 out:
-	return match;
+        return match;
 }
 
 static bool match_tag(struct udev_enumerate *udev_enumerate, struct udev_device *dev)
 {
-	struct udev_list_entry *list_entry;
+        struct udev_list_entry *list_entry;
 
-	/* no match always matches */
-	if (udev_list_get_entry(&udev_enumerate->tags_match_list) == NULL)
-		return true;
+        /* no match always matches */
+        if (udev_list_get_entry(&udev_enumerate->tags_match_list) == NULL)
+                return true;
 
-	/* loop over matches */
-	udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->tags_match_list))
-		if (!udev_device_has_tag(dev, udev_list_entry_get_name(list_entry)))
-			return false;
+        /* loop over matches */
+        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->tags_match_list))
+                if (!udev_device_has_tag(dev, udev_list_entry_get_name(list_entry)))
+                        return false;
 
-	return true;
+        return true;
 }
 
 static bool match_parent(struct udev_enumerate *udev_enumerate, struct udev_device *dev)
 {
-	const char *parent;
+        const char *parent;
 
-	if (udev_enumerate->parent_match == NULL)
-		return true;
+        if (udev_enumerate->parent_match == NULL)
+                return true;
 
-	parent = udev_device_get_devpath(udev_enumerate->parent_match);
-	return strncmp(parent, udev_device_get_devpath(dev), strlen(parent)) == 0;
+        parent = udev_device_get_devpath(udev_enumerate->parent_match);
+        return strncmp(parent, udev_device_get_devpath(dev), strlen(parent)) == 0;
 }
 
 static bool match_sysname(struct udev_enumerate *udev_enumerate, const char *sysname)
 {
-	struct udev_list_entry *list_entry;
+        struct udev_list_entry *list_entry;
 
-	if (udev_list_get_entry(&udev_enumerate->sysname_match_list) == NULL)
-		return true;
+        if (udev_list_get_entry(&udev_enumerate->sysname_match_list) == NULL)
+                return true;
 
-	udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysname_match_list)) {
-		if (fnmatch(udev_list_entry_get_name(list_entry), sysname, 0) != 0)
-			continue;
-		return true;
-	}
-	return false;
+        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->sysname_match_list)) {
+                if (fnmatch(udev_list_entry_get_name(list_entry), sysname, 0) != 0)
+                        continue;
+                return true;
+        }
+        return false;
 }
 
 static int scan_dir_and_add_devices(struct udev_enumerate *udev_enumerate,
-				    const char *basedir, const char *subdir1, const char *subdir2)
-{
-	struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
-	char path[UTIL_PATH_SIZE];
-	size_t l;
-	char *s;
-	DIR *dir;
-	struct dirent *dent;
-
-	s = path;
-	l = util_strpcpyl(&s, sizeof(path), udev_get_sys_path(udev), "/", basedir, NULL);
-	if (subdir1 != NULL)
-		l = util_strpcpyl(&s, l, "/", subdir1, NULL);
-	if (subdir2 != NULL)
-		util_strpcpyl(&s, l, "/", subdir2, NULL);
-	dir = opendir(path);
-	if (dir == NULL)
-		return -ENOENT;
-	for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-		char syspath[UTIL_PATH_SIZE];
-		struct udev_device *dev;
-
-		if (dent->d_name[0] == '.')
-			continue;
-
-		if (!match_sysname(udev_enumerate, dent->d_name))
-			continue;
-
-		util_strscpyl(syspath, sizeof(syspath), path, "/", dent->d_name, NULL);
-		dev = udev_device_new_from_syspath(udev_enumerate->udev, syspath);
-		if (dev == NULL)
-			continue;
-
-		if (udev_enumerate->match_is_initialized) {
-			/*
-			 * All devices with a device node or network interfaces
-			 * possibly need udev to adjust the device node permission
-			 * or context, or rename the interface before it can be
-			 * reliably used from other processes.
-			 *
-			 * For now, we can only check these types of devices, we
-			 * might not store a database, and have no way to find out
-			 * for all other types of devices.
-			 */
-			if (!udev_device_get_is_initialized(dev) &&
-			    (major(udev_device_get_devnum(dev)) > 0 || udev_device_get_ifindex(dev) > 0))
-				goto nomatch;
-		}
-		if (!match_parent(udev_enumerate, dev))
-			goto nomatch;
-		if (!match_tag(udev_enumerate, dev))
-			goto nomatch;
-		if (!match_property(udev_enumerate, dev))
-			goto nomatch;
-		if (!match_sysattr(udev_enumerate, dev))
-			goto nomatch;
-
-		syspath_add(udev_enumerate, udev_device_get_syspath(dev));
+                                    const char *basedir, const char *subdir1, const char *subdir2)
+{
+        struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
+        char path[UTIL_PATH_SIZE];
+        size_t l;
+        char *s;
+        DIR *dir;
+        struct dirent *dent;
+
+        s = path;
+        l = util_strpcpyl(&s, sizeof(path), udev_get_sys_path(udev), "/", basedir, NULL);
+        if (subdir1 != NULL)
+                l = util_strpcpyl(&s, l, "/", subdir1, NULL);
+        if (subdir2 != NULL)
+                util_strpcpyl(&s, l, "/", subdir2, NULL);
+        dir = opendir(path);
+        if (dir == NULL)
+                return -ENOENT;
+        for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
+                char syspath[UTIL_PATH_SIZE];
+                struct udev_device *dev;
+
+                if (dent->d_name[0] == '.')
+                        continue;
+
+                if (!match_sysname(udev_enumerate, dent->d_name))
+                        continue;
+
+                util_strscpyl(syspath, sizeof(syspath), path, "/", dent->d_name, NULL);
+                dev = udev_device_new_from_syspath(udev_enumerate->udev, syspath);
+                if (dev == NULL)
+                        continue;
+
+                if (udev_enumerate->match_is_initialized) {
+                        /*
+                         * All devices with a device node or network interfaces
+                         * possibly need udev to adjust the device node permission
+                         * or context, or rename the interface before it can be
+                         * reliably used from other processes.
+                         *
+                         * For now, we can only check these types of devices, we
+                         * might not store a database, and have no way to find out
+                         * for all other types of devices.
+                         */
+                        if (!udev_device_get_is_initialized(dev) &&
+                            (major(udev_device_get_devnum(dev)) > 0 || udev_device_get_ifindex(dev) > 0))
+                                goto nomatch;
+                }
+                if (!match_parent(udev_enumerate, dev))
+                        goto nomatch;
+                if (!match_tag(udev_enumerate, dev))
+                        goto nomatch;
+                if (!match_property(udev_enumerate, dev))
+                        goto nomatch;
+                if (!match_sysattr(udev_enumerate, dev))
+                        goto nomatch;
+
+                syspath_add(udev_enumerate, udev_device_get_syspath(dev));
 nomatch:
-		udev_device_unref(dev);
-	}
-	closedir(dir);
-	return 0;
+                udev_device_unref(dev);
+        }
+        closedir(dir);
+        return 0;
 }
 
 static bool match_subsystem(struct udev_enumerate *udev_enumerate, const char *subsystem)
 {
-	struct udev_list_entry *list_entry;
+        struct udev_list_entry *list_entry;
 
-	udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->subsystem_nomatch_list)) {
-		if (fnmatch(udev_list_entry_get_name(list_entry), subsystem, 0) == 0)
-			return false;
-	}
-	if (udev_list_get_entry(&udev_enumerate->subsystem_match_list) != NULL) {
-		udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->subsystem_match_list)) {
-			if (fnmatch(udev_list_entry_get_name(list_entry), subsystem, 0) == 0)
-				return true;
-		}
-		return false;
-	}
-	return true;
+        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->subsystem_nomatch_list)) {
+                if (fnmatch(udev_list_entry_get_name(list_entry), subsystem, 0) == 0)
+                        return false;
+        }
+        if (udev_list_get_entry(&udev_enumerate->subsystem_match_list) != NULL) {
+                udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->subsystem_match_list)) {
+                        if (fnmatch(udev_list_entry_get_name(list_entry), subsystem, 0) == 0)
+                                return true;
+                }
+                return false;
+        }
+        return true;
 }
 
 static int scan_dir(struct udev_enumerate *udev_enumerate, const char *basedir, const char *subdir, const char *subsystem)
 {
-	struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
+        struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
 
-	char path[UTIL_PATH_SIZE];
-	DIR *dir;
-	struct dirent *dent;
+        char path[UTIL_PATH_SIZE];
+        DIR *dir;
+        struct dirent *dent;
 
-	util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), "/", basedir, NULL);
-	dir = opendir(path);
-	if (dir == NULL)
-		return -1;
-	for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-		if (dent->d_name[0] == '.')
-			continue;
-		if (!match_subsystem(udev_enumerate, subsystem != NULL ? subsystem : dent->d_name))
-			continue;
-		scan_dir_and_add_devices(udev_enumerate, basedir, dent->d_name, subdir);
-	}
-	closedir(dir);
-	return 0;
+        util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), "/", basedir, NULL);
+        dir = opendir(path);
+        if (dir == NULL)
+                return -1;
+        for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
+                if (dent->d_name[0] == '.')
+                        continue;
+                if (!match_subsystem(udev_enumerate, subsystem != NULL ? subsystem : dent->d_name))
+                        continue;
+                scan_dir_and_add_devices(udev_enumerate, basedir, dent->d_name, subdir);
+        }
+        closedir(dir);
+        return 0;
 }
 
 /**
@@ -741,144 +741,144 @@ static int scan_dir(struct udev_enumerate *udev_enumerate, const char *basedir,
  */
 UDEV_EXPORT int udev_enumerate_add_syspath(struct udev_enumerate *udev_enumerate, const char *syspath)
 {
-	struct udev_device *udev_device;
+        struct udev_device *udev_device;
 
-	if (udev_enumerate == NULL)
-		return -EINVAL;
-	if (syspath == NULL)
-		return 0;
-	/* resolve to real syspath */
-	udev_device = udev_device_new_from_syspath(udev_enumerate->udev, syspath);
-	if (udev_device == NULL)
-		return -EINVAL;
-	syspath_add(udev_enumerate, udev_device_get_syspath(udev_device));
-	udev_device_unref(udev_device);
-	return 0;
+        if (udev_enumerate == NULL)
+                return -EINVAL;
+        if (syspath == NULL)
+                return 0;
+        /* resolve to real syspath */
+        udev_device = udev_device_new_from_syspath(udev_enumerate->udev, syspath);
+        if (udev_device == NULL)
+                return -EINVAL;
+        syspath_add(udev_enumerate, udev_device_get_syspath(udev_device));
+        udev_device_unref(udev_device);
+        return 0;
 }
 
 static int scan_devices_tags(struct udev_enumerate *udev_enumerate)
 {
-	struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
-	struct udev_list_entry *list_entry;
-
-	/* scan only tagged devices, use tags reverse-index, instead of searching all devices in /sys */
-	udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->tags_match_list)) {
-		DIR *dir;
-		struct dirent *dent;
-		char path[UTIL_PATH_SIZE];
-
-		util_strscpyl(path, sizeof(path), udev_get_run_path(udev), "/tags/",
-			      udev_list_entry_get_name(list_entry), NULL);
-		dir = opendir(path);
-		if (dir == NULL)
-			continue;
-		for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-			struct udev_device *dev;
-
-			if (dent->d_name[0] == '.')
-				continue;
-
-			dev = udev_device_new_from_id_filename(udev_enumerate->udev, dent->d_name);
-			if (dev == NULL)
-				continue;
-
-			if (!match_subsystem(udev_enumerate, udev_device_get_subsystem(dev)))
-				goto nomatch;
-			if (!match_sysname(udev_enumerate, udev_device_get_sysname(dev)))
-				goto nomatch;
-			if (!match_parent(udev_enumerate, dev))
-				goto nomatch;
-			if (!match_property(udev_enumerate, dev))
-				goto nomatch;
-			if (!match_sysattr(udev_enumerate, dev))
-				goto nomatch;
-
-			syspath_add(udev_enumerate, udev_device_get_syspath(dev));
+        struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
+        struct udev_list_entry *list_entry;
+
+        /* scan only tagged devices, use tags reverse-index, instead of searching all devices in /sys */
+        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_enumerate->tags_match_list)) {
+                DIR *dir;
+                struct dirent *dent;
+                char path[UTIL_PATH_SIZE];
+
+                util_strscpyl(path, sizeof(path), udev_get_run_path(udev), "/tags/",
+                              udev_list_entry_get_name(list_entry), NULL);
+                dir = opendir(path);
+                if (dir == NULL)
+                        continue;
+                for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
+                        struct udev_device *dev;
+
+                        if (dent->d_name[0] == '.')
+                                continue;
+
+                        dev = udev_device_new_from_id_filename(udev_enumerate->udev, dent->d_name);
+                        if (dev == NULL)
+                                continue;
+
+                        if (!match_subsystem(udev_enumerate, udev_device_get_subsystem(dev)))
+                                goto nomatch;
+                        if (!match_sysname(udev_enumerate, udev_device_get_sysname(dev)))
+                                goto nomatch;
+                        if (!match_parent(udev_enumerate, dev))
+                                goto nomatch;
+                        if (!match_property(udev_enumerate, dev))
+                                goto nomatch;
+                        if (!match_sysattr(udev_enumerate, dev))
+                                goto nomatch;
+
+                        syspath_add(udev_enumerate, udev_device_get_syspath(dev));
 nomatch:
-			udev_device_unref(dev);
-		}
-		closedir(dir);
-	}
-	return 0;
+                        udev_device_unref(dev);
+                }
+                closedir(dir);
+        }
+        return 0;
 }
 
 static int parent_add_child(struct udev_enumerate *enumerate, const char *path)
 {
-	struct udev_device *dev;
+        struct udev_device *dev;
 
-	dev = udev_device_new_from_syspath(enumerate->udev, path);
-	if (dev == NULL)
-		return -ENODEV;
+        dev = udev_device_new_from_syspath(enumerate->udev, path);
+        if (dev == NULL)
+                return -ENODEV;
 
-	if (!match_subsystem(enumerate, udev_device_get_subsystem(dev)))
-		return 0;
-	if (!match_sysname(enumerate, udev_device_get_sysname(dev)))
-		return 0;
-	if (!match_property(enumerate, dev))
-		return 0;
-	if (!match_sysattr(enumerate, dev))
-		return 0;
+        if (!match_subsystem(enumerate, udev_device_get_subsystem(dev)))
+                return 0;
+        if (!match_sysname(enumerate, udev_device_get_sysname(dev)))
+                return 0;
+        if (!match_property(enumerate, dev))
+                return 0;
+        if (!match_sysattr(enumerate, dev))
+                return 0;
 
-	syspath_add(enumerate, udev_device_get_syspath(dev));
-	udev_device_unref(dev);
-	return 1;
+        syspath_add(enumerate, udev_device_get_syspath(dev));
+        udev_device_unref(dev);
+        return 1;
 }
 
 static int parent_crawl_children(struct udev_enumerate *enumerate, const char *path, int maxdepth)
 {
-	DIR *d;
-	struct dirent *dent;
+        DIR *d;
+        struct dirent *dent;
 
-	d = opendir(path);
-	if (d == NULL)
-		return -errno;
+        d = opendir(path);
+        if (d == NULL)
+                return -errno;
 
-	for (dent = readdir(d); dent != NULL; dent = readdir(d)) {
-		char *child;
+        for (dent = readdir(d); dent != NULL; dent = readdir(d)) {
+                char *child;
 
-		if (dent->d_name[0] == '.')
-			continue;
-		if (dent->d_type != DT_DIR)
-			continue;
-		if (asprintf(&child, "%s/%s", path, dent->d_name) < 0)
-			continue;
-		parent_add_child(enumerate, child);
-		if (maxdepth > 0)
-			parent_crawl_children(enumerate, child, maxdepth-1);
-		free(child);
-	}
+                if (dent->d_name[0] == '.')
+                        continue;
+                if (dent->d_type != DT_DIR)
+                        continue;
+                if (asprintf(&child, "%s/%s", path, dent->d_name) < 0)
+                        continue;
+                parent_add_child(enumerate, child);
+                if (maxdepth > 0)
+                        parent_crawl_children(enumerate, child, maxdepth-1);
+                free(child);
+        }
 
-	closedir(d);
-	return 0;
+        closedir(d);
+        return 0;
 }
 
 static int scan_devices_children(struct udev_enumerate *enumerate)
 {
-	const char *path;
+        const char *path;
 
-	path = udev_device_get_syspath(enumerate->parent_match);
-	parent_add_child(enumerate, path);
-	return parent_crawl_children(enumerate, path, 256);
+        path = udev_device_get_syspath(enumerate->parent_match);
+        parent_add_child(enumerate, path);
+        return parent_crawl_children(enumerate, path, 256);
 }
 
 static int scan_devices_all(struct udev_enumerate *udev_enumerate)
 {
-	struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
-	char base[UTIL_PATH_SIZE];
-	struct stat statbuf;
+        struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
+        char base[UTIL_PATH_SIZE];
+        struct stat statbuf;
 
-	util_strscpyl(base, sizeof(base), udev_get_sys_path(udev), "/subsystem", NULL);
-	if (stat(base, &statbuf) == 0) {
-		/* we have /subsystem/, forget all the old stuff */
-		dbg(udev, "searching '/subsystem/*/devices/*' dir\n");
-		scan_dir(udev_enumerate, "subsystem", "devices", NULL);
-	} else {
-		dbg(udev, "searching '/bus/*/devices/*' dir\n");
-		scan_dir(udev_enumerate, "bus", "devices", NULL);
-		dbg(udev, "searching '/class/*' dir\n");
-		scan_dir(udev_enumerate, "class", NULL, NULL);
-	}
-	return 0;
+        util_strscpyl(base, sizeof(base), udev_get_sys_path(udev), "/subsystem", NULL);
+        if (stat(base, &statbuf) == 0) {
+                /* we have /subsystem/, forget all the old stuff */
+                dbg(udev, "searching '/subsystem/*/devices/*' dir\n");
+                scan_dir(udev_enumerate, "subsystem", "devices", NULL);
+        } else {
+                dbg(udev, "searching '/bus/*/devices/*' dir\n");
+                scan_dir(udev_enumerate, "bus", "devices", NULL);
+                dbg(udev, "searching '/class/*' dir\n");
+                scan_dir(udev_enumerate, "class", NULL, NULL);
+        }
+        return 0;
 }
 
 /**
@@ -889,19 +889,19 @@ static int scan_devices_all(struct udev_enumerate *udev_enumerate)
  **/
 UDEV_EXPORT int udev_enumerate_scan_devices(struct udev_enumerate *udev_enumerate)
 {
-	if (udev_enumerate == NULL)
-		return -EINVAL;
+        if (udev_enumerate == NULL)
+                return -EINVAL;
 
-	/* efficiently lookup tags only, we maintain a reverse-index */
-	if (udev_list_get_entry(&udev_enumerate->tags_match_list) != NULL)
-		return scan_devices_tags(udev_enumerate);
+        /* efficiently lookup tags only, we maintain a reverse-index */
+        if (udev_list_get_entry(&udev_enumerate->tags_match_list) != NULL)
+                return scan_devices_tags(udev_enumerate);
 
-	/* walk the subtree of one parent device only */
-	if (udev_enumerate->parent_match != NULL)
-		return scan_devices_children(udev_enumerate);
+        /* walk the subtree of one parent device only */
+        if (udev_enumerate->parent_match != NULL)
+                return scan_devices_children(udev_enumerate);
 
-	/* scan devices of all subsystems */
-	return scan_devices_all(udev_enumerate);
+        /* scan devices of all subsystems */
+        return scan_devices_all(udev_enumerate);
 }
 
 /**
@@ -912,36 +912,36 @@ UDEV_EXPORT int udev_enumerate_scan_devices(struct udev_enumerate *udev_enumerat
  **/
 UDEV_EXPORT int udev_enumerate_scan_subsystems(struct udev_enumerate *udev_enumerate)
 {
-	struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
-	char base[UTIL_PATH_SIZE];
-	struct stat statbuf;
-	const char *subsysdir;
-
-	if (udev_enumerate == NULL)
-		return -EINVAL;
-
-	/* all kernel modules */
-	if (match_subsystem(udev_enumerate, "module")) {
-		dbg(udev, "searching '%s/modules/*' dir\n", subsysdir);
-		scan_dir_and_add_devices(udev_enumerate, "module", NULL, NULL);
-	}
-
-	util_strscpyl(base, sizeof(base), udev_get_sys_path(udev), "/subsystem", NULL);
-	if (stat(base, &statbuf) == 0)
-		subsysdir = "subsystem";
-	else
-		subsysdir = "bus";
-
-	/* all subsystems (only buses support coldplug) */
-	if (match_subsystem(udev_enumerate, "subsystem")) {
-		dbg(udev, "searching '%s/*' dir\n", subsysdir);
-		scan_dir_and_add_devices(udev_enumerate, subsysdir, NULL, NULL);
-	}
-
-	/* all subsystem drivers */
-	if (match_subsystem(udev_enumerate, "drivers")) {
-		dbg(udev, "searching '%s/*/drivers/*' dir\n", subsysdir);
-		scan_dir(udev_enumerate, subsysdir, "drivers", "drivers");
-	}
-	return 0;
+        struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
+        char base[UTIL_PATH_SIZE];
+        struct stat statbuf;
+        const char *subsysdir;
+
+        if (udev_enumerate == NULL)
+                return -EINVAL;
+
+        /* all kernel modules */
+        if (match_subsystem(udev_enumerate, "module")) {
+                dbg(udev, "searching '%s/modules/*' dir\n", subsysdir);
+                scan_dir_and_add_devices(udev_enumerate, "module", NULL, NULL);
+        }
+
+        util_strscpyl(base, sizeof(base), udev_get_sys_path(udev), "/subsystem", NULL);
+        if (stat(base, &statbuf) == 0)
+                subsysdir = "subsystem";
+        else
+                subsysdir = "bus";
+
+        /* all subsystems (only buses support coldplug) */
+        if (match_subsystem(udev_enumerate, "subsystem")) {
+                dbg(udev, "searching '%s/*' dir\n", subsysdir);
+                scan_dir_and_add_devices(udev_enumerate, subsysdir, NULL, NULL);
+        }
+
+        /* all subsystem drivers */
+        if (match_subsystem(udev_enumerate, "drivers")) {
+                dbg(udev, "searching '%s/*/drivers/*' dir\n", subsysdir);
+                scan_dir(udev_enumerate, subsysdir, "drivers", "drivers");
+        }
+        return 0;
 }
diff --git a/src/libudev-list.c b/src/libudev-list.c
index f74a88ca..4bdef35a 100644
--- a/src/libudev-list.c
+++ b/src/libudev-list.c
@@ -33,232 +33,232 @@
  * contains a name, and optionally a value.
  */
 struct udev_list_entry {
-	struct udev_list_node node;
-	struct udev_list *list;
-	char *name;
-	char *value;
-	int num;
+        struct udev_list_node node;
+        struct udev_list *list;
+        char *name;
+        char *value;
+        int num;
 };
 
 /* the list's head points to itself if empty */
 void udev_list_node_init(struct udev_list_node *list)
 {
-	list->next = list;
-	list->prev = list;
+        list->next = list;
+        list->prev = list;
 }
 
 int udev_list_node_is_empty(struct udev_list_node *list)
 {
-	return list->next == list;
+        return list->next == list;
 }
 
 static void udev_list_node_insert_between(struct udev_list_node *new,
-					  struct udev_list_node *prev,
-					  struct udev_list_node *next)
+                                          struct udev_list_node *prev,
+                                          struct udev_list_node *next)
 {
-	next->prev = new;
-	new->next = next;
-	new->prev = prev;
-	prev->next = new;
+        next->prev = new;
+        new->next = next;
+        new->prev = prev;
+        prev->next = new;
 }
 
 void udev_list_node_append(struct udev_list_node *new, struct udev_list_node *list)
 {
-	udev_list_node_insert_between(new, list->prev, list);
+        udev_list_node_insert_between(new, list->prev, list);
 }
 
 void udev_list_node_remove(struct udev_list_node *entry)
 {
-	struct udev_list_node *prev = entry->prev;
-	struct udev_list_node *next = entry->next;
+        struct udev_list_node *prev = entry->prev;
+        struct udev_list_node *next = entry->next;
 
-	next->prev = prev;
-	prev->next = next;
+        next->prev = prev;
+        prev->next = next;
 
-	entry->prev = NULL;
-	entry->next = NULL;
+        entry->prev = NULL;
+        entry->next = NULL;
 }
 
 /* return list entry which embeds this node */
 static struct udev_list_entry *list_node_to_entry(struct udev_list_node *node)
 {
-	char *list;
+        char *list;
 
-	list = (char *)node;
-	list -= offsetof(struct udev_list_entry, node);
-	return (struct udev_list_entry *)list;
+        list = (char *)node;
+        list -= offsetof(struct udev_list_entry, node);
+        return (struct udev_list_entry *)list;
 }
 
 void udev_list_init(struct udev *udev, struct udev_list *list, bool unique)
 {
-	memset(list, 0x00, sizeof(struct udev_list));
-	list->udev = udev;
-	list->unique = unique;
-	udev_list_node_init(&list->node);
+        memset(list, 0x00, sizeof(struct udev_list));
+        list->udev = udev;
+        list->unique = unique;
+        udev_list_node_init(&list->node);
 }
 
 /* insert entry into a list as the last element  */
 void udev_list_entry_append(struct udev_list_entry *new, struct udev_list *list)
 {
-	/* inserting before the list head make the node the last node in the list */
-	udev_list_node_insert_between(&new->node, list->node.prev, &list->node);
-	new->list = list;
+        /* inserting before the list head make the node the last node in the list */
+        udev_list_node_insert_between(&new->node, list->node.prev, &list->node);
+        new->list = list;
 }
 
 /* insert entry into a list, before a given existing entry */
 void udev_list_entry_insert_before(struct udev_list_entry *new, struct udev_list_entry *entry)
 {
-	udev_list_node_insert_between(&new->node, entry->node.prev, &entry->node);
-	new->list = entry->list;
+        udev_list_node_insert_between(&new->node, entry->node.prev, &entry->node);
+        new->list = entry->list;
 }
 
 /* binary search in sorted array */
 static int list_search(struct udev_list *list, const char *name)
 {
-	unsigned int first, last;
-
-	first = 0;
-	last = list->entries_cur;
-	while (first < last) {
-		unsigned int i;
-		int cmp;
-
-		i = (first + last)/2;
-		cmp = strcmp(name, list->entries[i]->name);
-		if (cmp < 0)
-			last = i;
-		else if (cmp > 0)
-			first = i+1;
-		else
-			return i;
-	}
-
-	/* not found, return negative insertion-index+1 */
-	return -(first+1);
+        unsigned int first, last;
+
+        first = 0;
+        last = list->entries_cur;
+        while (first < last) {
+                unsigned int i;
+                int cmp;
+
+                i = (first + last)/2;
+                cmp = strcmp(name, list->entries[i]->name);
+                if (cmp < 0)
+                        last = i;
+                else if (cmp > 0)
+                        first = i+1;
+                else
+                        return i;
+        }
+
+        /* not found, return negative insertion-index+1 */
+        return -(first+1);
 }
 
 struct udev_list_entry *udev_list_entry_add(struct udev_list *list, const char *name, const char *value)
 {
-	struct udev_list_entry *entry;
-	int i = 0;
-
-	if (list->unique) {
-		/* lookup existing name or insertion-index */
-		i = list_search(list, name);
-		if (i >= 0) {
-			entry = list->entries[i];
-
-			dbg(list->udev, "'%s' is already in the list\n", name);
-			free(entry->value);
-			if (value == NULL) {
-				entry->value = NULL;
-				dbg(list->udev, "'%s' value unset\n", name);
-				return entry;
-			}
-			entry->value = strdup(value);
-			if (entry->value == NULL)
-				return NULL;
-			dbg(list->udev, "'%s' value replaced with '%s'\n", name, value);
-			return entry;
-		}
-	}
-
-	/* add new name */
-	entry = calloc(1, sizeof(struct udev_list_entry));
-	if (entry == NULL)
-		return NULL;
-	entry->name = strdup(name);
-	if (entry->name == NULL) {
-		free(entry);
-		return NULL;
-	}
-	if (value != NULL) {
-		entry->value = strdup(value);
-		if (entry->value == NULL) {
-			free(entry->name);
-			free(entry);
-			return NULL;
-		}
-	}
-
-	if (list->unique) {
-		/* allocate or enlarge sorted array if needed */
-		if (list->entries_cur >= list->entries_max) {
-			unsigned int add;
-
-			add = list->entries_max;
-			if (add < 1)
-				add = 64;
-			list->entries = realloc(list->entries, (list->entries_max + add) * sizeof(struct udev_list_entry *));
-			if (list->entries == NULL) {
-				free(entry->name);
-				free(entry->value);
-				return NULL;
-			}
-			list->entries_max += add;
-		}
-
-		/* the negative i returned the insertion index */
-		i = (-i)-1;
-
-		/* insert into sorted list */
-		if ((unsigned int)i < list->entries_cur)
-			udev_list_entry_insert_before(entry, list->entries[i]);
-		else
-			udev_list_entry_append(entry, list);
-
-		/* insert into sorted array */
-		memmove(&list->entries[i+1], &list->entries[i],
-		        (list->entries_cur - i) * sizeof(struct udev_list_entry *));
-		list->entries[i] = entry;
-		list->entries_cur++;
-	} else {
-		udev_list_entry_append(entry, list);
-	}
-
-	dbg(list->udev, "'%s=%s' added\n", entry->name, entry->value);
-	return entry;
+        struct udev_list_entry *entry;
+        int i = 0;
+
+        if (list->unique) {
+                /* lookup existing name or insertion-index */
+                i = list_search(list, name);
+                if (i >= 0) {
+                        entry = list->entries[i];
+
+                        dbg(list->udev, "'%s' is already in the list\n", name);
+                        free(entry->value);
+                        if (value == NULL) {
+                                entry->value = NULL;
+                                dbg(list->udev, "'%s' value unset\n", name);
+                                return entry;
+                        }
+                        entry->value = strdup(value);
+                        if (entry->value == NULL)
+                                return NULL;
+                        dbg(list->udev, "'%s' value replaced with '%s'\n", name, value);
+                        return entry;
+                }
+        }
+
+        /* add new name */
+        entry = calloc(1, sizeof(struct udev_list_entry));
+        if (entry == NULL)
+                return NULL;
+        entry->name = strdup(name);
+        if (entry->name == NULL) {
+                free(entry);
+                return NULL;
+        }
+        if (value != NULL) {
+                entry->value = strdup(value);
+                if (entry->value == NULL) {
+                        free(entry->name);
+                        free(entry);
+                        return NULL;
+                }
+        }
+
+        if (list->unique) {
+                /* allocate or enlarge sorted array if needed */
+                if (list->entries_cur >= list->entries_max) {
+                        unsigned int add;
+
+                        add = list->entries_max;
+                        if (add < 1)
+                                add = 64;
+                        list->entries = realloc(list->entries, (list->entries_max + add) * sizeof(struct udev_list_entry *));
+                        if (list->entries == NULL) {
+                                free(entry->name);
+                                free(entry->value);
+                                return NULL;
+                        }
+                        list->entries_max += add;
+                }
+
+                /* the negative i returned the insertion index */
+                i = (-i)-1;
+
+                /* insert into sorted list */
+                if ((unsigned int)i < list->entries_cur)
+                        udev_list_entry_insert_before(entry, list->entries[i]);
+                else
+                        udev_list_entry_append(entry, list);
+
+                /* insert into sorted array */
+                memmove(&list->entries[i+1], &list->entries[i],
+                        (list->entries_cur - i) * sizeof(struct udev_list_entry *));
+                list->entries[i] = entry;
+                list->entries_cur++;
+        } else {
+                udev_list_entry_append(entry, list);
+        }
+
+        dbg(list->udev, "'%s=%s' added\n", entry->name, entry->value);
+        return entry;
 }
 
 void udev_list_entry_delete(struct udev_list_entry *entry)
 {
-	if (entry->list->entries != NULL) {
-		int i;
-		struct udev_list *list = entry->list;
-
-		/* remove entry from sorted array */
-		i = list_search(list, entry->name);
-		if (i >= 0) {
-			memmove(&list->entries[i], &list->entries[i+1],
-			        ((list->entries_cur-1) - i) * sizeof(struct udev_list_entry *));
-			list->entries_cur--;
-		}
-	}
-
-	udev_list_node_remove(&entry->node);
-	free(entry->name);
-	free(entry->value);
-	free(entry);
+        if (entry->list->entries != NULL) {
+                int i;
+                struct udev_list *list = entry->list;
+
+                /* remove entry from sorted array */
+                i = list_search(list, entry->name);
+                if (i >= 0) {
+                        memmove(&list->entries[i], &list->entries[i+1],
+                                ((list->entries_cur-1) - i) * sizeof(struct udev_list_entry *));
+                        list->entries_cur--;
+                }
+        }
+
+        udev_list_node_remove(&entry->node);
+        free(entry->name);
+        free(entry->value);
+        free(entry);
 }
 
 void udev_list_cleanup(struct udev_list *list)
 {
-	struct udev_list_entry *entry_loop;
-	struct udev_list_entry *entry_tmp;
-
-	free(list->entries);
-	list->entries = NULL;
-	list->entries_cur = 0;
-	list->entries_max = 0;
-	udev_list_entry_foreach_safe(entry_loop, entry_tmp, udev_list_get_entry(list))
-		udev_list_entry_delete(entry_loop);
+        struct udev_list_entry *entry_loop;
+        struct udev_list_entry *entry_tmp;
+
+        free(list->entries);
+        list->entries = NULL;
+        list->entries_cur = 0;
+        list->entries_max = 0;
+        udev_list_entry_foreach_safe(entry_loop, entry_tmp, udev_list_get_entry(list))
+                udev_list_entry_delete(entry_loop);
 }
 
 struct udev_list_entry *udev_list_get_entry(struct udev_list *list)
 {
-	if (udev_list_node_is_empty(&list->node))
-		return NULL;
-	return list_node_to_entry(list->node.next);
+        if (udev_list_node_is_empty(&list->node))
+                return NULL;
+        return list_node_to_entry(list->node.next);
 }
 
 /**
@@ -269,15 +269,15 @@ struct udev_list_entry *udev_list_get_entry(struct udev_list *list)
  */
 UDEV_EXPORT struct udev_list_entry *udev_list_entry_get_next(struct udev_list_entry *list_entry)
 {
-	struct udev_list_node *next;
-
-	if (list_entry == NULL)
-		return NULL;
-	next = list_entry->node.next;
-	/* empty list or no more entries */
-	if (next == &list_entry->list->node)
-		return NULL;
-	return list_node_to_entry(next);
+        struct udev_list_node *next;
+
+        if (list_entry == NULL)
+                return NULL;
+        next = list_entry->node.next;
+        /* empty list or no more entries */
+        if (next == &list_entry->list->node)
+                return NULL;
+        return list_node_to_entry(next);
 }
 
 /**
@@ -289,18 +289,18 @@ UDEV_EXPORT struct udev_list_entry *udev_list_entry_get_next(struct udev_list_en
  */
 UDEV_EXPORT struct udev_list_entry *udev_list_entry_get_by_name(struct udev_list_entry *list_entry, const char *name)
 {
-	int i;
+        int i;
 
-	if (list_entry == NULL)
-		return NULL;
+        if (list_entry == NULL)
+                return NULL;
 
-	if (!list_entry->list->unique)
-		return NULL;
+        if (!list_entry->list->unique)
+                return NULL;
 
-	i = list_search(list_entry->list, name);
-	if (i < 0)
-		return NULL;
-	return list_entry->list->entries[i];
+        i = list_search(list_entry->list, name);
+        if (i < 0)
+                return NULL;
+        return list_entry->list->entries[i];
 }
 
 /**
@@ -311,9 +311,9 @@ UDEV_EXPORT struct udev_list_entry *udev_list_entry_get_by_name(struct udev_list
  */
 UDEV_EXPORT const char *udev_list_entry_get_name(struct udev_list_entry *list_entry)
 {
-	if (list_entry == NULL)
-		return NULL;
-	return list_entry->name;
+        if (list_entry == NULL)
+                return NULL;
+        return list_entry->name;
 }
 
 /**
@@ -324,21 +324,21 @@ UDEV_EXPORT const char *udev_list_entry_get_name(struct udev_list_entry *list_en
  */
 UDEV_EXPORT const char *udev_list_entry_get_value(struct udev_list_entry *list_entry)
 {
-	if (list_entry == NULL)
-		return NULL;
-	return list_entry->value;
+        if (list_entry == NULL)
+                return NULL;
+        return list_entry->value;
 }
 
 int udev_list_entry_get_num(struct udev_list_entry *list_entry)
 {
-	if (list_entry == NULL)
-		return -EINVAL;
-	return list_entry->num;
+        if (list_entry == NULL)
+                return -EINVAL;
+        return list_entry->num;
 }
 
 void udev_list_entry_set_num(struct udev_list_entry *list_entry, int num)
 {
-	if (list_entry == NULL)
-		return;
-	list_entry->num = num;
+        if (list_entry == NULL)
+                return;
+        list_entry->num = num;
 }
diff --git a/src/libudev-monitor.c b/src/libudev-monitor.c
index f2f39f95..0b570721 100644
--- a/src/libudev-monitor.c
+++ b/src/libudev-monitor.c
@@ -40,61 +40,61 @@
  * Opaque object handling an event source.
  */
 struct udev_monitor {
-	struct udev *udev;
-	int refcount;
-	int sock;
-	struct sockaddr_nl snl;
-	struct sockaddr_nl snl_trusted_sender;
-	struct sockaddr_nl snl_destination;
-	struct sockaddr_un sun;
-	socklen_t addrlen;
-	struct udev_list filter_subsystem_list;
-	struct udev_list filter_tag_list;
-	bool bound;
+        struct udev *udev;
+        int refcount;
+        int sock;
+        struct sockaddr_nl snl;
+        struct sockaddr_nl snl_trusted_sender;
+        struct sockaddr_nl snl_destination;
+        struct sockaddr_un sun;
+        socklen_t addrlen;
+        struct udev_list filter_subsystem_list;
+        struct udev_list filter_tag_list;
+        bool bound;
 };
 
 enum udev_monitor_netlink_group {
-	UDEV_MONITOR_NONE,
-	UDEV_MONITOR_KERNEL,
-	UDEV_MONITOR_UDEV,
+        UDEV_MONITOR_NONE,
+        UDEV_MONITOR_KERNEL,
+        UDEV_MONITOR_UDEV,
 };
 
-#define UDEV_MONITOR_MAGIC		0xfeedcafe
+#define UDEV_MONITOR_MAGIC                0xfeedcafe
 struct udev_monitor_netlink_header {
-	/* "libudev" prefix to distinguish libudev and kernel messages */
-	char prefix[8];
-	/*
-	 * magic to protect against daemon <-> library message format mismatch
-	 * used in the kernel from socket filter rules; needs to be stored in network order
-	 */
-	unsigned int magic;
-	/* total length of header structure known to the sender */
-	unsigned int header_size;
-	/* properties string buffer */
-	unsigned int properties_off;
-	unsigned int properties_len;
-	/*
-	 * hashes of primary device properties strings, to let libudev subscribers
-	 * use in-kernel socket filters; values need to be stored in network order
-	 */
-	unsigned int filter_subsystem_hash;
-	unsigned int filter_devtype_hash;
-	unsigned int filter_tag_bloom_hi;
-	unsigned int filter_tag_bloom_lo;
+        /* "libudev" prefix to distinguish libudev and kernel messages */
+        char prefix[8];
+        /*
+         * magic to protect against daemon <-> library message format mismatch
+         * used in the kernel from socket filter rules; needs to be stored in network order
+         */
+        unsigned int magic;
+        /* total length of header structure known to the sender */
+        unsigned int header_size;
+        /* properties string buffer */
+        unsigned int properties_off;
+        unsigned int properties_len;
+        /*
+         * hashes of primary device properties strings, to let libudev subscribers
+         * use in-kernel socket filters; values need to be stored in network order
+         */
+        unsigned int filter_subsystem_hash;
+        unsigned int filter_devtype_hash;
+        unsigned int filter_tag_bloom_hi;
+        unsigned int filter_tag_bloom_lo;
 };
 
 static struct udev_monitor *udev_monitor_new(struct udev *udev)
 {
-	struct udev_monitor *udev_monitor;
-
-	udev_monitor = calloc(1, sizeof(struct udev_monitor));
-	if (udev_monitor == NULL)
-		return NULL;
-	udev_monitor->refcount = 1;
-	udev_monitor->udev = udev;
-	udev_list_init(udev, &udev_monitor->filter_subsystem_list, false);
-	udev_list_init(udev, &udev_monitor->filter_tag_list, true);
-	return udev_monitor;
+        struct udev_monitor *udev_monitor;
+
+        udev_monitor = calloc(1, sizeof(struct udev_monitor));
+        if (udev_monitor == NULL)
+                return NULL;
+        udev_monitor->refcount = 1;
+        udev_monitor->udev = udev;
+        udev_list_init(udev, &udev_monitor->filter_subsystem_list, false);
+        udev_list_init(udev, &udev_monitor->filter_tag_list, true);
+        return udev_monitor;
 }
 
 /**
@@ -124,85 +124,85 @@ static struct udev_monitor *udev_monitor_new(struct udev *udev)
  **/
 UDEV_EXPORT struct udev_monitor *udev_monitor_new_from_socket(struct udev *udev, const char *socket_path)
 {
-	struct udev_monitor *udev_monitor;
-	struct stat statbuf;
-
-	if (udev == NULL)
-		return NULL;
-	if (socket_path == NULL)
-		return NULL;
-	udev_monitor = udev_monitor_new(udev);
-	if (udev_monitor == NULL)
-		return NULL;
-
-	udev_monitor->sun.sun_family = AF_LOCAL;
-	if (socket_path[0] == '@') {
-		/* translate leading '@' to abstract namespace */
-		util_strscpy(udev_monitor->sun.sun_path, sizeof(udev_monitor->sun.sun_path), socket_path);
-		udev_monitor->sun.sun_path[0] = '\0';
-		udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path);
-	} else if (stat(socket_path, &statbuf) == 0 && S_ISSOCK(statbuf.st_mode)) {
-		/* existing socket file */
-		util_strscpy(udev_monitor->sun.sun_path, sizeof(udev_monitor->sun.sun_path), socket_path);
-		udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path);
-	} else {
-		/* no socket file, assume abstract namespace socket */
-		util_strscpy(&udev_monitor->sun.sun_path[1], sizeof(udev_monitor->sun.sun_path)-1, socket_path);
-		udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path)+1;
-	}
-	udev_monitor->sock = socket(AF_LOCAL, SOCK_DGRAM|SOCK_NONBLOCK|SOCK_CLOEXEC, 0);
-	if (udev_monitor->sock == -1) {
-		err(udev, "error getting socket: %m\n");
-		free(udev_monitor);
-		return NULL;
-	}
-
-	dbg(udev, "monitor %p created with '%s'\n", udev_monitor, socket_path);
-	return udev_monitor;
+        struct udev_monitor *udev_monitor;
+        struct stat statbuf;
+
+        if (udev == NULL)
+                return NULL;
+        if (socket_path == NULL)
+                return NULL;
+        udev_monitor = udev_monitor_new(udev);
+        if (udev_monitor == NULL)
+                return NULL;
+
+        udev_monitor->sun.sun_family = AF_LOCAL;
+        if (socket_path[0] == '@') {
+                /* translate leading '@' to abstract namespace */
+                util_strscpy(udev_monitor->sun.sun_path, sizeof(udev_monitor->sun.sun_path), socket_path);
+                udev_monitor->sun.sun_path[0] = '\0';
+                udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path);
+        } else if (stat(socket_path, &statbuf) == 0 && S_ISSOCK(statbuf.st_mode)) {
+                /* existing socket file */
+                util_strscpy(udev_monitor->sun.sun_path, sizeof(udev_monitor->sun.sun_path), socket_path);
+                udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path);
+        } else {
+                /* no socket file, assume abstract namespace socket */
+                util_strscpy(&udev_monitor->sun.sun_path[1], sizeof(udev_monitor->sun.sun_path)-1, socket_path);
+                udev_monitor->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(socket_path)+1;
+        }
+        udev_monitor->sock = socket(AF_LOCAL, SOCK_DGRAM|SOCK_NONBLOCK|SOCK_CLOEXEC, 0);
+        if (udev_monitor->sock == -1) {
+                err(udev, "error getting socket: %m\n");
+                free(udev_monitor);
+                return NULL;
+        }
+
+        dbg(udev, "monitor %p created with '%s'\n", udev_monitor, socket_path);
+        return udev_monitor;
 }
 
 struct udev_monitor *udev_monitor_new_from_netlink_fd(struct udev *udev, const char *name, int fd)
 {
-	struct udev_monitor *udev_monitor;
-	unsigned int group;
-
-	if (udev == NULL)
-		return NULL;
-
-	if (name == NULL)
-		group = UDEV_MONITOR_NONE;
-	else if (strcmp(name, "udev") == 0)
-		group = UDEV_MONITOR_UDEV;
-	else if (strcmp(name, "kernel") == 0)
-		group = UDEV_MONITOR_KERNEL;
-	else
-		return NULL;
-
-	udev_monitor = udev_monitor_new(udev);
-	if (udev_monitor == NULL)
-		return NULL;
-
-	if (fd < 0) {
-		udev_monitor->sock = socket(PF_NETLINK, SOCK_RAW|SOCK_CLOEXEC|SOCK_NONBLOCK, NETLINK_KOBJECT_UEVENT);
-		if (udev_monitor->sock == -1) {
-			err(udev, "error getting socket: %m\n");
-			free(udev_monitor);
-			return NULL;
-		}
-	} else {
-		udev_monitor->bound = true;
-		udev_monitor->sock = fd;
-	}
-
-	udev_monitor->snl.nl_family = AF_NETLINK;
-	udev_monitor->snl.nl_groups = group;
-
-	/* default destination for sending */
-	udev_monitor->snl_destination.nl_family = AF_NETLINK;
-	udev_monitor->snl_destination.nl_groups = UDEV_MONITOR_UDEV;
-
-	dbg(udev, "monitor %p created with NETLINK_KOBJECT_UEVENT (%u)\n", udev_monitor, group);
-	return udev_monitor;
+        struct udev_monitor *udev_monitor;
+        unsigned int group;
+
+        if (udev == NULL)
+                return NULL;
+
+        if (name == NULL)
+                group = UDEV_MONITOR_NONE;
+        else if (strcmp(name, "udev") == 0)
+                group = UDEV_MONITOR_UDEV;
+        else if (strcmp(name, "kernel") == 0)
+                group = UDEV_MONITOR_KERNEL;
+        else
+                return NULL;
+
+        udev_monitor = udev_monitor_new(udev);
+        if (udev_monitor == NULL)
+                return NULL;
+
+        if (fd < 0) {
+                udev_monitor->sock = socket(PF_NETLINK, SOCK_RAW|SOCK_CLOEXEC|SOCK_NONBLOCK, NETLINK_KOBJECT_UEVENT);
+                if (udev_monitor->sock == -1) {
+                        err(udev, "error getting socket: %m\n");
+                        free(udev_monitor);
+                        return NULL;
+                }
+        } else {
+                udev_monitor->bound = true;
+                udev_monitor->sock = fd;
+        }
+
+        udev_monitor->snl.nl_family = AF_NETLINK;
+        udev_monitor->snl.nl_groups = group;
+
+        /* default destination for sending */
+        udev_monitor->snl_destination.nl_family = AF_NETLINK;
+        udev_monitor->snl_destination.nl_groups = UDEV_MONITOR_UDEV;
+
+        dbg(udev, "monitor %p created with NETLINK_KOBJECT_UEVENT (%u)\n", udev_monitor, group);
+        return udev_monitor;
 }
 
 /**
@@ -229,30 +229,30 @@ struct udev_monitor *udev_monitor_new_from_netlink_fd(struct udev *udev, const c
  **/
 UDEV_EXPORT struct udev_monitor *udev_monitor_new_from_netlink(struct udev *udev, const char *name)
 {
-	return udev_monitor_new_from_netlink_fd(udev, name, -1);
+        return udev_monitor_new_from_netlink_fd(udev, name, -1);
 }
 
 static inline void bpf_stmt(struct sock_filter *inss, unsigned int *i,
-			    unsigned short code, unsigned int data)
+                            unsigned short code, unsigned int data)
 {
-	struct sock_filter *ins = &inss[*i];
+        struct sock_filter *ins = &inss[*i];
 
-	ins->code = code;
-	ins->k = data;
-	(*i)++;
+        ins->code = code;
+        ins->k = data;
+        (*i)++;
 }
 
 static inline void bpf_jmp(struct sock_filter *inss, unsigned int *i,
-			   unsigned short code, unsigned int data,
-			   unsigned short jt, unsigned short jf)
+                           unsigned short code, unsigned int data,
+                           unsigned short jt, unsigned short jf)
 {
-	struct sock_filter *ins = &inss[*i];
+        struct sock_filter *ins = &inss[*i];
 
-	ins->code = code;
-	ins->jt = jt;
-	ins->jf = jf;
-	ins->k = data;
-	(*i)++;
+        ins->code = code;
+        ins->jt = jt;
+        ins->jf = jf;
+        ins->k = data;
+        (*i)++;
 }
 
 /**
@@ -266,107 +266,107 @@ static inline void bpf_jmp(struct sock_filter *inss, unsigned int *i,
  */
 UDEV_EXPORT int udev_monitor_filter_update(struct udev_monitor *udev_monitor)
 {
-	struct sock_filter ins[512];
-	struct sock_fprog filter;
-	unsigned int i;
-	struct udev_list_entry *list_entry;
-	int err;
-
-	if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) == NULL &&
-	    udev_list_get_entry(&udev_monitor->filter_tag_list) == NULL)
-		return 0;
-
-	memset(ins, 0x00, sizeof(ins));
-	i = 0;
-
-	/* load magic in A */
-	bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, magic));
-	/* jump if magic matches */
-	bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, UDEV_MONITOR_MAGIC, 1, 0);
-	/* wrong magic, pass packet */
-	bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff);
-
-	if (udev_list_get_entry(&udev_monitor->filter_tag_list) != NULL) {
-		int tag_matches;
-
-		/* count tag matches, to calculate end of tag match block */
-		tag_matches = 0;
-		udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list))
-			tag_matches++;
-
-		/* add all tags matches */
-		udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list)) {
-			uint64_t tag_bloom_bits = util_string_bloom64(udev_list_entry_get_name(list_entry));
-			uint32_t tag_bloom_hi = tag_bloom_bits >> 32;
-			uint32_t tag_bloom_lo = tag_bloom_bits & 0xffffffff;
-
-			/* load device bloom bits in A */
-			bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_tag_bloom_hi));
-			/* clear bits (tag bits & bloom bits) */
-			bpf_stmt(ins, &i, BPF_ALU|BPF_AND|BPF_K, tag_bloom_hi);
-			/* jump to next tag if it does not match */
-			bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, tag_bloom_hi, 0, 3);
-
-			/* load device bloom bits in A */
-			bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_tag_bloom_lo));
-			/* clear bits (tag bits & bloom bits) */
-			bpf_stmt(ins, &i, BPF_ALU|BPF_AND|BPF_K, tag_bloom_lo);
-			/* jump behind end of tag match block if tag matches */
-			tag_matches--;
-			bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, tag_bloom_lo, 1 + (tag_matches * 6), 0);
-		}
-
-		/* nothing matched, drop packet */
-		bpf_stmt(ins, &i, BPF_RET|BPF_K, 0);
-	}
-
-	/* add all subsystem matches */
-	if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) != NULL) {
-		udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_subsystem_list)) {
-			unsigned int hash = util_string_hash32(udev_list_entry_get_name(list_entry));
-
-			/* load device subsystem value in A */
-			bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_subsystem_hash));
-			if (udev_list_entry_get_value(list_entry) == NULL) {
-				/* jump if subsystem does not match */
-				bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 1);
-			} else {
-				/* jump if subsystem does not match */
-				bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 3);
-
-				/* load device devtype value in A */
-				bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_devtype_hash));
-				/* jump if value does not match */
-				hash = util_string_hash32(udev_list_entry_get_value(list_entry));
-				bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 1);
-			}
-
-			/* matched, pass packet */
-			bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff);
-
-			if (i+1 >= ARRAY_SIZE(ins))
-				return -1;
-		}
-
-		/* nothing matched, drop packet */
-		bpf_stmt(ins, &i, BPF_RET|BPF_K, 0);
-	}
-
-	/* matched, pass packet */
-	bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff);
-
-	/* install filter */
-	memset(&filter, 0x00, sizeof(filter));
-	filter.len = i;
-	filter.filter = ins;
-	err = setsockopt(udev_monitor->sock, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter));
-	return err;
+        struct sock_filter ins[512];
+        struct sock_fprog filter;
+        unsigned int i;
+        struct udev_list_entry *list_entry;
+        int err;
+
+        if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) == NULL &&
+            udev_list_get_entry(&udev_monitor->filter_tag_list) == NULL)
+                return 0;
+
+        memset(ins, 0x00, sizeof(ins));
+        i = 0;
+
+        /* load magic in A */
+        bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, magic));
+        /* jump if magic matches */
+        bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, UDEV_MONITOR_MAGIC, 1, 0);
+        /* wrong magic, pass packet */
+        bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff);
+
+        if (udev_list_get_entry(&udev_monitor->filter_tag_list) != NULL) {
+                int tag_matches;
+
+                /* count tag matches, to calculate end of tag match block */
+                tag_matches = 0;
+                udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list))
+                        tag_matches++;
+
+                /* add all tags matches */
+                udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list)) {
+                        uint64_t tag_bloom_bits = util_string_bloom64(udev_list_entry_get_name(list_entry));
+                        uint32_t tag_bloom_hi = tag_bloom_bits >> 32;
+                        uint32_t tag_bloom_lo = tag_bloom_bits & 0xffffffff;
+
+                        /* load device bloom bits in A */
+                        bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_tag_bloom_hi));
+                        /* clear bits (tag bits & bloom bits) */
+                        bpf_stmt(ins, &i, BPF_ALU|BPF_AND|BPF_K, tag_bloom_hi);
+                        /* jump to next tag if it does not match */
+                        bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, tag_bloom_hi, 0, 3);
+
+                        /* load device bloom bits in A */
+                        bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_tag_bloom_lo));
+                        /* clear bits (tag bits & bloom bits) */
+                        bpf_stmt(ins, &i, BPF_ALU|BPF_AND|BPF_K, tag_bloom_lo);
+                        /* jump behind end of tag match block if tag matches */
+                        tag_matches--;
+                        bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, tag_bloom_lo, 1 + (tag_matches * 6), 0);
+                }
+
+                /* nothing matched, drop packet */
+                bpf_stmt(ins, &i, BPF_RET|BPF_K, 0);
+        }
+
+        /* add all subsystem matches */
+        if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) != NULL) {
+                udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_subsystem_list)) {
+                        unsigned int hash = util_string_hash32(udev_list_entry_get_name(list_entry));
+
+                        /* load device subsystem value in A */
+                        bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_subsystem_hash));
+                        if (udev_list_entry_get_value(list_entry) == NULL) {
+                                /* jump if subsystem does not match */
+                                bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 1);
+                        } else {
+                                /* jump if subsystem does not match */
+                                bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 3);
+
+                                /* load device devtype value in A */
+                                bpf_stmt(ins, &i, BPF_LD|BPF_W|BPF_ABS, offsetof(struct udev_monitor_netlink_header, filter_devtype_hash));
+                                /* jump if value does not match */
+                                hash = util_string_hash32(udev_list_entry_get_value(list_entry));
+                                bpf_jmp(ins, &i, BPF_JMP|BPF_JEQ|BPF_K, hash, 0, 1);
+                        }
+
+                        /* matched, pass packet */
+                        bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff);
+
+                        if (i+1 >= ARRAY_SIZE(ins))
+                                return -1;
+                }
+
+                /* nothing matched, drop packet */
+                bpf_stmt(ins, &i, BPF_RET|BPF_K, 0);
+        }
+
+        /* matched, pass packet */
+        bpf_stmt(ins, &i, BPF_RET|BPF_K, 0xffffffff);
+
+        /* install filter */
+        memset(&filter, 0x00, sizeof(filter));
+        filter.len = i;
+        filter.filter = ins;
+        err = setsockopt(udev_monitor->sock, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter));
+        return err;
 }
 
 int udev_monitor_allow_unicast_sender(struct udev_monitor *udev_monitor, struct udev_monitor *sender)
 {
-	udev_monitor->snl_trusted_sender.nl_pid = sender->snl.nl_pid;
-	return 0;
+        udev_monitor->snl_trusted_sender.nl_pid = sender->snl.nl_pid;
+        return 0;
 }
 /**
  * udev_monitor_enable_receiving:
@@ -378,49 +378,49 @@ int udev_monitor_allow_unicast_sender(struct udev_monitor *udev_monitor, struct
  */
 UDEV_EXPORT int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor)
 {
-	int err = 0;
-	const int on = 1;
-
-	if (udev_monitor->sun.sun_family != 0) {
-		if (!udev_monitor->bound) {
-			err = bind(udev_monitor->sock,
-				   (struct sockaddr *)&udev_monitor->sun, udev_monitor->addrlen);
-			if (err == 0)
-				udev_monitor->bound = true;
-		}
-	} else if (udev_monitor->snl.nl_family != 0) {
-		udev_monitor_filter_update(udev_monitor);
-		if (!udev_monitor->bound) {
-			err = bind(udev_monitor->sock,
-				   (struct sockaddr *)&udev_monitor->snl, sizeof(struct sockaddr_nl));
-			if (err == 0)
-				udev_monitor->bound = true;
-		}
-		if (err == 0) {
-			struct sockaddr_nl snl;
-			socklen_t addrlen;
-
-			/*
-			 * get the address the kernel has assigned us
-			 * it is usually, but not necessarily the pid
-			 */
-			addrlen = sizeof(struct sockaddr_nl);
-			err = getsockname(udev_monitor->sock, (struct sockaddr *)&snl, &addrlen);
-			if (err == 0)
-				udev_monitor->snl.nl_pid = snl.nl_pid;
-		}
-	} else {
-		return -EINVAL;
-	}
-
-	if (err < 0) {
-		err(udev_monitor->udev, "bind failed: %m\n");
-		return err;
-	}
-
-	/* enable receiving of sender credentials */
-	setsockopt(udev_monitor->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on));
-	return 0;
+        int err = 0;
+        const int on = 1;
+
+        if (udev_monitor->sun.sun_family != 0) {
+                if (!udev_monitor->bound) {
+                        err = bind(udev_monitor->sock,
+                                   (struct sockaddr *)&udev_monitor->sun, udev_monitor->addrlen);
+                        if (err == 0)
+                                udev_monitor->bound = true;
+                }
+        } else if (udev_monitor->snl.nl_family != 0) {
+                udev_monitor_filter_update(udev_monitor);
+                if (!udev_monitor->bound) {
+                        err = bind(udev_monitor->sock,
+                                   (struct sockaddr *)&udev_monitor->snl, sizeof(struct sockaddr_nl));
+                        if (err == 0)
+                                udev_monitor->bound = true;
+                }
+                if (err == 0) {
+                        struct sockaddr_nl snl;
+                        socklen_t addrlen;
+
+                        /*
+                         * get the address the kernel has assigned us
+                         * it is usually, but not necessarily the pid
+                         */
+                        addrlen = sizeof(struct sockaddr_nl);
+                        err = getsockname(udev_monitor->sock, (struct sockaddr *)&snl, &addrlen);
+                        if (err == 0)
+                                udev_monitor->snl.nl_pid = snl.nl_pid;
+                }
+        } else {
+                return -EINVAL;
+        }
+
+        if (err < 0) {
+                err(udev_monitor->udev, "bind failed: %m\n");
+                return err;
+        }
+
+        /* enable receiving of sender credentials */
+        setsockopt(udev_monitor->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on));
+        return 0;
 }
 
 /**
@@ -435,18 +435,18 @@ UDEV_EXPORT int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor)
  */
 UDEV_EXPORT int udev_monitor_set_receive_buffer_size(struct udev_monitor *udev_monitor, int size)
 {
-	if (udev_monitor == NULL)
-		return -1;
-	return setsockopt(udev_monitor->sock, SOL_SOCKET, SO_RCVBUFFORCE, &size, sizeof(size));
+        if (udev_monitor == NULL)
+                return -1;
+        return setsockopt(udev_monitor->sock, SOL_SOCKET, SO_RCVBUFFORCE, &size, sizeof(size));
 }
 
 int udev_monitor_disconnect(struct udev_monitor *udev_monitor)
 {
-	int err;
+        int err;
 
-	err = close(udev_monitor->sock);
-	udev_monitor->sock = -1;
-	return err;
+        err = close(udev_monitor->sock);
+        udev_monitor->sock = -1;
+        return err;
 }
 
 /**
@@ -459,10 +459,10 @@ int udev_monitor_disconnect(struct udev_monitor *udev_monitor)
  **/
 UDEV_EXPORT struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor)
 {
-	if (udev_monitor == NULL)
-		return NULL;
-	udev_monitor->refcount++;
-	return udev_monitor;
+        if (udev_monitor == NULL)
+                return NULL;
+        udev_monitor->refcount++;
+        return udev_monitor;
 }
 
 /**
@@ -476,17 +476,17 @@ UDEV_EXPORT struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_moni
  **/
 UDEV_EXPORT void udev_monitor_unref(struct udev_monitor *udev_monitor)
 {
-	if (udev_monitor == NULL)
-		return;
-	udev_monitor->refcount--;
-	if (udev_monitor->refcount > 0)
-		return;
-	if (udev_monitor->sock >= 0)
-		close(udev_monitor->sock);
-	udev_list_cleanup(&udev_monitor->filter_subsystem_list);
-	udev_list_cleanup(&udev_monitor->filter_tag_list);
-	dbg(udev_monitor->udev, "monitor %p released\n", udev_monitor);
-	free(udev_monitor);
+        if (udev_monitor == NULL)
+                return;
+        udev_monitor->refcount--;
+        if (udev_monitor->refcount > 0)
+                return;
+        if (udev_monitor->sock >= 0)
+                close(udev_monitor->sock);
+        udev_list_cleanup(&udev_monitor->filter_subsystem_list);
+        udev_list_cleanup(&udev_monitor->filter_tag_list);
+        dbg(udev_monitor->udev, "monitor %p released\n", udev_monitor);
+        free(udev_monitor);
 }
 
 /**
@@ -499,9 +499,9 @@ UDEV_EXPORT void udev_monitor_unref(struct udev_monitor *udev_monitor)
  **/
 UDEV_EXPORT struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor)
 {
-	if (udev_monitor == NULL)
-		return NULL;
-	return udev_monitor->udev;
+        if (udev_monitor == NULL)
+                return NULL;
+        return udev_monitor->udev;
 }
 
 /**
@@ -514,47 +514,47 @@ UDEV_EXPORT struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor
  **/
 UDEV_EXPORT int udev_monitor_get_fd(struct udev_monitor *udev_monitor)
 {
-	if (udev_monitor == NULL)
-		return -1;
-	return udev_monitor->sock;
+        if (udev_monitor == NULL)
+                return -1;
+        return udev_monitor->sock;
 }
 
 static int passes_filter(struct udev_monitor *udev_monitor, struct udev_device *udev_device)
 {
-	struct udev_list_entry *list_entry;
-
-	if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) == NULL)
-		goto tag;
-	udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_subsystem_list)) {
-		const char *subsys = udev_list_entry_get_name(list_entry);
-		const char *dsubsys = udev_device_get_subsystem(udev_device);
-		const char *devtype;
-		const char *ddevtype;
-
-		if (strcmp(dsubsys, subsys) != 0)
-			continue;
-
-		devtype = udev_list_entry_get_value(list_entry);
-		if (devtype == NULL)
-			goto tag;
-		ddevtype = udev_device_get_devtype(udev_device);
-		if (ddevtype == NULL)
-			continue;
-		if (strcmp(ddevtype, devtype) == 0)
-			goto tag;
-	}
-	return 0;
+        struct udev_list_entry *list_entry;
+
+        if (udev_list_get_entry(&udev_monitor->filter_subsystem_list) == NULL)
+                goto tag;
+        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_subsystem_list)) {
+                const char *subsys = udev_list_entry_get_name(list_entry);
+                const char *dsubsys = udev_device_get_subsystem(udev_device);
+                const char *devtype;
+                const char *ddevtype;
+
+                if (strcmp(dsubsys, subsys) != 0)
+                        continue;
+
+                devtype = udev_list_entry_get_value(list_entry);
+                if (devtype == NULL)
+                        goto tag;
+                ddevtype = udev_device_get_devtype(udev_device);
+                if (ddevtype == NULL)
+                        continue;
+                if (strcmp(ddevtype, devtype) == 0)
+                        goto tag;
+        }
+        return 0;
 
 tag:
-	if (udev_list_get_entry(&udev_monitor->filter_tag_list) == NULL)
-		return 1;
-	udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list)) {
-		const char *tag = udev_list_entry_get_name(list_entry);
-
-		if (udev_device_has_tag(udev_device, tag))
-			return 1;
-	}
-	return 0;
+        if (udev_list_get_entry(&udev_monitor->filter_tag_list) == NULL)
+                return 1;
+        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_monitor->filter_tag_list)) {
+                const char *tag = udev_list_entry_get_name(list_entry);
+
+                if (udev_device_has_tag(udev_device, tag))
+                        return 1;
+        }
+        return 0;
 }
 
 /**
@@ -573,242 +573,242 @@ tag:
  **/
 UDEV_EXPORT struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor)
 {
-	struct udev_device *udev_device;
-	struct msghdr smsg;
-	struct iovec iov;
-	char cred_msg[CMSG_SPACE(sizeof(struct ucred))];
-	struct cmsghdr *cmsg;
-	struct sockaddr_nl snl;
-	struct ucred *cred;
-	char buf[8192];
-	ssize_t buflen;
-	ssize_t bufpos;
-	struct udev_monitor_netlink_header *nlh;
+        struct udev_device *udev_device;
+        struct msghdr smsg;
+        struct iovec iov;
+        char cred_msg[CMSG_SPACE(sizeof(struct ucred))];
+        struct cmsghdr *cmsg;
+        struct sockaddr_nl snl;
+        struct ucred *cred;
+        char buf[8192];
+        ssize_t buflen;
+        ssize_t bufpos;
+        struct udev_monitor_netlink_header *nlh;
 
 retry:
-	if (udev_monitor == NULL)
-		return NULL;
-	memset(buf, 0x00, sizeof(buf));
-	iov.iov_base = &buf;
-	iov.iov_len = sizeof(buf);
-	memset (&smsg, 0x00, sizeof(struct msghdr));
-	smsg.msg_iov = &iov;
-	smsg.msg_iovlen = 1;
-	smsg.msg_control = cred_msg;
-	smsg.msg_controllen = sizeof(cred_msg);
-
-	if (udev_monitor->snl.nl_family != 0) {
-		smsg.msg_name = &snl;
-		smsg.msg_namelen = sizeof(snl);
-	}
-
-	buflen = recvmsg(udev_monitor->sock, &smsg, 0);
-	if (buflen < 0) {
-		if (errno != EINTR)
-			info(udev_monitor->udev, "unable to receive message\n");
-		return NULL;
-	}
-
-	if (buflen < 32 || (size_t)buflen >= sizeof(buf)) {
-		info(udev_monitor->udev, "invalid message length\n");
-		return NULL;
-	}
-
-	if (udev_monitor->snl.nl_family != 0) {
-		if (snl.nl_groups == 0) {
-			/* unicast message, check if we trust the sender */
-			if (udev_monitor->snl_trusted_sender.nl_pid == 0 ||
-			    snl.nl_pid != udev_monitor->snl_trusted_sender.nl_pid) {
-				info(udev_monitor->udev, "unicast netlink message ignored\n");
-				return NULL;
-			}
-		} else if (snl.nl_groups == UDEV_MONITOR_KERNEL) {
-			if (snl.nl_pid > 0) {
-				info(udev_monitor->udev, "multicast kernel netlink message from pid %d ignored\n",
-				     snl.nl_pid);
-				return NULL;
-			}
-		}
-	}
-
-	cmsg = CMSG_FIRSTHDR(&smsg);
-	if (cmsg == NULL || cmsg->cmsg_type != SCM_CREDENTIALS) {
-		info(udev_monitor->udev, "no sender credentials received, message ignored\n");
-		return NULL;
-	}
-
-	cred = (struct ucred *)CMSG_DATA(cmsg);
-	if (cred->uid != 0) {
-		info(udev_monitor->udev, "sender uid=%d, message ignored\n", cred->uid);
-		return NULL;
-	}
-
-	if (memcmp(buf, "libudev", 8) == 0) {
-		/* udev message needs proper version magic */
-		nlh = (struct udev_monitor_netlink_header *) buf;
-		if (nlh->magic != htonl(UDEV_MONITOR_MAGIC)) {
-			err(udev_monitor->udev, "unrecognized message signature (%x != %x)\n",
-			    nlh->magic, htonl(UDEV_MONITOR_MAGIC));
-			return NULL;
-		}
-		if (nlh->properties_off+32 > buflen)
-			return NULL;
-		bufpos = nlh->properties_off;
-	} else {
-		/* kernel message with header */
-		bufpos = strlen(buf) + 1;
-		if ((size_t)bufpos < sizeof("a@/d") || bufpos >= buflen) {
-			info(udev_monitor->udev, "invalid message length\n");
-			return NULL;
-		}
-
-		/* check message header */
-		if (strstr(buf, "@/") == NULL) {
-			info(udev_monitor->udev, "unrecognized message header\n");
-			return NULL;
-		}
-	}
-
-	udev_device = udev_device_new(udev_monitor->udev);
-	if (udev_device == NULL)
-		return NULL;
-	udev_device_set_info_loaded(udev_device);
-
-	while (bufpos < buflen) {
-		char *key;
-		size_t keylen;
-
-		key = &buf[bufpos];
-		keylen = strlen(key);
-		if (keylen == 0)
-			break;
-		bufpos += keylen + 1;
-		udev_device_add_property_from_string_parse(udev_device, key);
-	}
-
-	if (udev_device_add_property_from_string_parse_finish(udev_device) < 0) {
-		info(udev_monitor->udev, "missing values, invalid device\n");
-		udev_device_unref(udev_device);
-		return NULL;
-	}
-
-	/* skip device, if it does not pass the current filter */
-	if (!passes_filter(udev_monitor, udev_device)) {
-		struct pollfd pfd[1];
-		int rc;
-
-		udev_device_unref(udev_device);
-
-		/* if something is queued, get next device */
-		pfd[0].fd = udev_monitor->sock;
-		pfd[0].events = POLLIN;
-		rc = poll(pfd, 1, 0);
-		if (rc > 0)
-			goto retry;
-		return NULL;
-	}
-
-	return udev_device;
+        if (udev_monitor == NULL)
+                return NULL;
+        memset(buf, 0x00, sizeof(buf));
+        iov.iov_base = &buf;
+        iov.iov_len = sizeof(buf);
+        memset (&smsg, 0x00, sizeof(struct msghdr));
+        smsg.msg_iov = &iov;
+        smsg.msg_iovlen = 1;
+        smsg.msg_control = cred_msg;
+        smsg.msg_controllen = sizeof(cred_msg);
+
+        if (udev_monitor->snl.nl_family != 0) {
+                smsg.msg_name = &snl;
+                smsg.msg_namelen = sizeof(snl);
+        }
+
+        buflen = recvmsg(udev_monitor->sock, &smsg, 0);
+        if (buflen < 0) {
+                if (errno != EINTR)
+                        info(udev_monitor->udev, "unable to receive message\n");
+                return NULL;
+        }
+
+        if (buflen < 32 || (size_t)buflen >= sizeof(buf)) {
+                info(udev_monitor->udev, "invalid message length\n");
+                return NULL;
+        }
+
+        if (udev_monitor->snl.nl_family != 0) {
+                if (snl.nl_groups == 0) {
+                        /* unicast message, check if we trust the sender */
+                        if (udev_monitor->snl_trusted_sender.nl_pid == 0 ||
+                            snl.nl_pid != udev_monitor->snl_trusted_sender.nl_pid) {
+                                info(udev_monitor->udev, "unicast netlink message ignored\n");
+                                return NULL;
+                        }
+                } else if (snl.nl_groups == UDEV_MONITOR_KERNEL) {
+                        if (snl.nl_pid > 0) {
+                                info(udev_monitor->udev, "multicast kernel netlink message from pid %d ignored\n",
+                                     snl.nl_pid);
+                                return NULL;
+                        }
+                }
+        }
+
+        cmsg = CMSG_FIRSTHDR(&smsg);
+        if (cmsg == NULL || cmsg->cmsg_type != SCM_CREDENTIALS) {
+                info(udev_monitor->udev, "no sender credentials received, message ignored\n");
+                return NULL;
+        }
+
+        cred = (struct ucred *)CMSG_DATA(cmsg);
+        if (cred->uid != 0) {
+                info(udev_monitor->udev, "sender uid=%d, message ignored\n", cred->uid);
+                return NULL;
+        }
+
+        if (memcmp(buf, "libudev", 8) == 0) {
+                /* udev message needs proper version magic */
+                nlh = (struct udev_monitor_netlink_header *) buf;
+                if (nlh->magic != htonl(UDEV_MONITOR_MAGIC)) {
+                        err(udev_monitor->udev, "unrecognized message signature (%x != %x)\n",
+                            nlh->magic, htonl(UDEV_MONITOR_MAGIC));
+                        return NULL;
+                }
+                if (nlh->properties_off+32 > buflen)
+                        return NULL;
+                bufpos = nlh->properties_off;
+        } else {
+                /* kernel message with header */
+                bufpos = strlen(buf) + 1;
+                if ((size_t)bufpos < sizeof("a@/d") || bufpos >= buflen) {
+                        info(udev_monitor->udev, "invalid message length\n");
+                        return NULL;
+                }
+
+                /* check message header */
+                if (strstr(buf, "@/") == NULL) {
+                        info(udev_monitor->udev, "unrecognized message header\n");
+                        return NULL;
+                }
+        }
+
+        udev_device = udev_device_new(udev_monitor->udev);
+        if (udev_device == NULL)
+                return NULL;
+        udev_device_set_info_loaded(udev_device);
+
+        while (bufpos < buflen) {
+                char *key;
+                size_t keylen;
+
+                key = &buf[bufpos];
+                keylen = strlen(key);
+                if (keylen == 0)
+                        break;
+                bufpos += keylen + 1;
+                udev_device_add_property_from_string_parse(udev_device, key);
+        }
+
+        if (udev_device_add_property_from_string_parse_finish(udev_device) < 0) {
+                info(udev_monitor->udev, "missing values, invalid device\n");
+                udev_device_unref(udev_device);
+                return NULL;
+        }
+
+        /* skip device, if it does not pass the current filter */
+        if (!passes_filter(udev_monitor, udev_device)) {
+                struct pollfd pfd[1];
+                int rc;
+
+                udev_device_unref(udev_device);
+
+                /* if something is queued, get next device */
+                pfd[0].fd = udev_monitor->sock;
+                pfd[0].events = POLLIN;
+                rc = poll(pfd, 1, 0);
+                if (rc > 0)
+                        goto retry;
+                return NULL;
+        }
+
+        return udev_device;
 }
 
 int udev_monitor_send_device(struct udev_monitor *udev_monitor,
-			     struct udev_monitor *destination, struct udev_device *udev_device)
+                             struct udev_monitor *destination, struct udev_device *udev_device)
 {
-	const char *buf;
-	ssize_t blen;
-	ssize_t count;
-
-	blen = udev_device_get_properties_monitor_buf(udev_device, &buf);
-	if (blen < 32)
-		return -EINVAL;
-
-	if (udev_monitor->sun.sun_family != 0) {
-		struct msghdr smsg;
-		struct iovec iov[2];
-		const char *action;
-		char header[2048];
-		char *s;
-
-		/* header <action>@<devpath> */
-		action = udev_device_get_action(udev_device);
-		if (action == NULL)
-			return -EINVAL;
-		s = header;
-		if (util_strpcpyl(&s, sizeof(header), action, "@", udev_device_get_devpath(udev_device), NULL) == 0)
-			return -EINVAL;
-		iov[0].iov_base = header;
-		iov[0].iov_len = (s - header)+1;
-
-		/* add properties list */
-		iov[1].iov_base = (char *)buf;
-		iov[1].iov_len = blen;
-
-		memset(&smsg, 0x00, sizeof(struct msghdr));
-		smsg.msg_iov = iov;
-		smsg.msg_iovlen = 2;
-		smsg.msg_name = &udev_monitor->sun;
-		smsg.msg_namelen = udev_monitor->addrlen;
-		count = sendmsg(udev_monitor->sock, &smsg, 0);
-		info(udev_monitor->udev, "passed %zi bytes to socket monitor %p\n", count, udev_monitor);
-		return count;
-	}
-
-	if (udev_monitor->snl.nl_family != 0) {
-		struct msghdr smsg;
-		struct iovec iov[2];
-		const char *val;
-		struct udev_monitor_netlink_header nlh;
-		struct udev_list_entry *list_entry;
-		uint64_t tag_bloom_bits;
-
-		/* add versioned header */
-		memset(&nlh, 0x00, sizeof(struct udev_monitor_netlink_header));
-		memcpy(nlh.prefix, "libudev", 8);
-		nlh.magic = htonl(UDEV_MONITOR_MAGIC);
-		nlh.header_size = sizeof(struct udev_monitor_netlink_header);
-		val = udev_device_get_subsystem(udev_device);
-		nlh.filter_subsystem_hash = htonl(util_string_hash32(val));
-		val = udev_device_get_devtype(udev_device);
-		if (val != NULL)
-			nlh.filter_devtype_hash = htonl(util_string_hash32(val));
-		iov[0].iov_base = &nlh;
-		iov[0].iov_len = sizeof(struct udev_monitor_netlink_header);
-
-		/* add tag bloom filter */
-		tag_bloom_bits = 0;
-		udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device))
-			tag_bloom_bits |= util_string_bloom64(udev_list_entry_get_name(list_entry));
-		if (tag_bloom_bits > 0) {
-			nlh.filter_tag_bloom_hi = htonl(tag_bloom_bits >> 32);
-			nlh.filter_tag_bloom_lo = htonl(tag_bloom_bits & 0xffffffff);
-		}
-
-		/* add properties list */
-		nlh.properties_off = iov[0].iov_len;
-		nlh.properties_len = blen;
-		iov[1].iov_base = (char *)buf;
-		iov[1].iov_len = blen;
-
-		memset(&smsg, 0x00, sizeof(struct msghdr));
-		smsg.msg_iov = iov;
-		smsg.msg_iovlen = 2;
-		/*
-		 * Use custom address for target, or the default one.
-		 *
-		 * If we send to a multicast group, we will get
-		 * ECONNREFUSED, which is expected.
-		 */
-		if (destination != NULL)
-			smsg.msg_name = &destination->snl;
-		else
-			smsg.msg_name = &udev_monitor->snl_destination;
-		smsg.msg_namelen = sizeof(struct sockaddr_nl);
-		count = sendmsg(udev_monitor->sock, &smsg, 0);
-		info(udev_monitor->udev, "passed %zi bytes to netlink monitor %p\n", count, udev_monitor);
-		return count;
-	}
-
-	return -EINVAL;
+        const char *buf;
+        ssize_t blen;
+        ssize_t count;
+
+        blen = udev_device_get_properties_monitor_buf(udev_device, &buf);
+        if (blen < 32)
+                return -EINVAL;
+
+        if (udev_monitor->sun.sun_family != 0) {
+                struct msghdr smsg;
+                struct iovec iov[2];
+                const char *action;
+                char header[2048];
+                char *s;
+
+                /* header <action>@<devpath> */
+                action = udev_device_get_action(udev_device);
+                if (action == NULL)
+                        return -EINVAL;
+                s = header;
+                if (util_strpcpyl(&s, sizeof(header), action, "@", udev_device_get_devpath(udev_device), NULL) == 0)
+                        return -EINVAL;
+                iov[0].iov_base = header;
+                iov[0].iov_len = (s - header)+1;
+
+                /* add properties list */
+                iov[1].iov_base = (char *)buf;
+                iov[1].iov_len = blen;
+
+                memset(&smsg, 0x00, sizeof(struct msghdr));
+                smsg.msg_iov = iov;
+                smsg.msg_iovlen = 2;
+                smsg.msg_name = &udev_monitor->sun;
+                smsg.msg_namelen = udev_monitor->addrlen;
+                count = sendmsg(udev_monitor->sock, &smsg, 0);
+                info(udev_monitor->udev, "passed %zi bytes to socket monitor %p\n", count, udev_monitor);
+                return count;
+        }
+
+        if (udev_monitor->snl.nl_family != 0) {
+                struct msghdr smsg;
+                struct iovec iov[2];
+                const char *val;
+                struct udev_monitor_netlink_header nlh;
+                struct udev_list_entry *list_entry;
+                uint64_t tag_bloom_bits;
+
+                /* add versioned header */
+                memset(&nlh, 0x00, sizeof(struct udev_monitor_netlink_header));
+                memcpy(nlh.prefix, "libudev", 8);
+                nlh.magic = htonl(UDEV_MONITOR_MAGIC);
+                nlh.header_size = sizeof(struct udev_monitor_netlink_header);
+                val = udev_device_get_subsystem(udev_device);
+                nlh.filter_subsystem_hash = htonl(util_string_hash32(val));
+                val = udev_device_get_devtype(udev_device);
+                if (val != NULL)
+                        nlh.filter_devtype_hash = htonl(util_string_hash32(val));
+                iov[0].iov_base = &nlh;
+                iov[0].iov_len = sizeof(struct udev_monitor_netlink_header);
+
+                /* add tag bloom filter */
+                tag_bloom_bits = 0;
+                udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device))
+                        tag_bloom_bits |= util_string_bloom64(udev_list_entry_get_name(list_entry));
+                if (tag_bloom_bits > 0) {
+                        nlh.filter_tag_bloom_hi = htonl(tag_bloom_bits >> 32);
+                        nlh.filter_tag_bloom_lo = htonl(tag_bloom_bits & 0xffffffff);
+                }
+
+                /* add properties list */
+                nlh.properties_off = iov[0].iov_len;
+                nlh.properties_len = blen;
+                iov[1].iov_base = (char *)buf;
+                iov[1].iov_len = blen;
+
+                memset(&smsg, 0x00, sizeof(struct msghdr));
+                smsg.msg_iov = iov;
+                smsg.msg_iovlen = 2;
+                /*
+                 * Use custom address for target, or the default one.
+                 *
+                 * If we send to a multicast group, we will get
+                 * ECONNREFUSED, which is expected.
+                 */
+                if (destination != NULL)
+                        smsg.msg_name = &destination->snl;
+                else
+                        smsg.msg_name = &udev_monitor->snl_destination;
+                smsg.msg_namelen = sizeof(struct sockaddr_nl);
+                count = sendmsg(udev_monitor->sock, &smsg, 0);
+                info(udev_monitor->udev, "passed %zi bytes to netlink monitor %p\n", count, udev_monitor);
+                return count;
+        }
+
+        return -EINVAL;
 }
 
 /**
@@ -826,13 +826,13 @@ int udev_monitor_send_device(struct udev_monitor *udev_monitor,
  */
 UDEV_EXPORT int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor, const char *subsystem, const char *devtype)
 {
-	if (udev_monitor == NULL)
-		return -EINVAL;
-	if (subsystem == NULL)
-		return -EINVAL;
-	if (udev_list_entry_add(&udev_monitor->filter_subsystem_list, subsystem, devtype) == NULL)
-		return -ENOMEM;
-	return 0;
+        if (udev_monitor == NULL)
+                return -EINVAL;
+        if (subsystem == NULL)
+                return -EINVAL;
+        if (udev_list_entry_add(&udev_monitor->filter_subsystem_list, subsystem, devtype) == NULL)
+                return -ENOMEM;
+        return 0;
 }
 
 /**
@@ -849,13 +849,13 @@ UDEV_EXPORT int udev_monitor_filter_add_match_subsystem_devtype(struct udev_moni
  */
 UDEV_EXPORT int udev_monitor_filter_add_match_tag(struct udev_monitor *udev_monitor, const char *tag)
 {
-	if (udev_monitor == NULL)
-		return -EINVAL;
-	if (tag == NULL)
-		return -EINVAL;
-	if (udev_list_entry_add(&udev_monitor->filter_tag_list, tag, NULL) == NULL)
-		return -ENOMEM;
-	return 0;
+        if (udev_monitor == NULL)
+                return -EINVAL;
+        if (tag == NULL)
+                return -EINVAL;
+        if (udev_list_entry_add(&udev_monitor->filter_tag_list, tag, NULL) == NULL)
+                return -ENOMEM;
+        return 0;
 }
 
 /**
@@ -868,8 +868,8 @@ UDEV_EXPORT int udev_monitor_filter_add_match_tag(struct udev_monitor *udev_moni
  */
 UDEV_EXPORT int udev_monitor_filter_remove(struct udev_monitor *udev_monitor)
 {
-	static struct sock_fprog filter = { 0, NULL };
+        static struct sock_fprog filter = { 0, NULL };
 
-	udev_list_cleanup(&udev_monitor->filter_subsystem_list);
-	return setsockopt(udev_monitor->sock, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter));
+        udev_list_cleanup(&udev_monitor->filter_subsystem_list);
+        return setsockopt(udev_monitor->sock, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter));
 }
diff --git a/src/libudev-private.h b/src/libudev-private.h
index 83976698..5f5c64a6 100644
--- a/src/libudev-private.h
+++ b/src/libudev-private.h
@@ -19,8 +19,8 @@
 #include "libudev.h"
 
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-#define READ_END				0
-#define WRITE_END				1
+#define READ_END                                0
+#define WRITE_END                                1
 
 static inline void __attribute__((always_inline, format(printf, 2, 3)))
 udev_log_null(struct udev *udev, const char *format, ...) {}
@@ -49,19 +49,19 @@ udev_log_null(struct udev *udev, const char *format, ...) {}
 
 static inline void udev_log_init(const char *program_name)
 {
-	openlog(program_name, LOG_PID | LOG_CONS, LOG_DAEMON);
+        openlog(program_name, LOG_PID | LOG_CONS, LOG_DAEMON);
 }
 
 static inline void udev_log_close(void)
 {
-	closelog();
+        closelog();
 }
 
 /* libudev.c */
 void udev_log(struct udev *udev,
-	      int priority, const char *file, int line, const char *fn,
-	      const char *format, ...)
-	      __attribute__((format(printf, 6, 7)));
+              int priority, const char *file, int line, const char *fn,
+              const char *format, ...)
+              __attribute__((format(printf, 6, 7)));
 int udev_get_rules_path(struct udev *udev, char **path[], unsigned long long *ts_usec[]);
 struct udev_list_entry *udev_add_property(struct udev *udev, const char *key, const char *value);
 struct udev_list_entry *udev_get_properties_list_entry(struct udev *udev);
@@ -107,20 +107,20 @@ int udev_device_tag_index(struct udev_device *dev, struct udev_device *dev_old,
 int udev_monitor_disconnect(struct udev_monitor *udev_monitor);
 int udev_monitor_allow_unicast_sender(struct udev_monitor *udev_monitor, struct udev_monitor *sender);
 int udev_monitor_send_device(struct udev_monitor *udev_monitor,
-			     struct udev_monitor *destination, struct udev_device *udev_device);
+                             struct udev_monitor *destination, struct udev_device *udev_device);
 struct udev_monitor *udev_monitor_new_from_netlink_fd(struct udev *udev, const char *name, int fd);
 
 /* libudev-list.c */
 struct udev_list_node {
-	struct udev_list_node *next, *prev;
+        struct udev_list_node *next, *prev;
 };
 struct udev_list {
-	struct udev *udev;
-	struct udev_list_node node;
-	struct udev_list_entry **entries;
-	unsigned int entries_cur;
-	unsigned int entries_max;
-	bool unique;
+        struct udev *udev;
+        struct udev_list_node node;
+        struct udev_list_entry **entries;
+        unsigned int entries_cur;
+        unsigned int entries_max;
+        bool unique;
 };
 #define UDEV_LIST(list) struct udev_list_node list = { &(list), &(list) }
 void udev_list_node_init(struct udev_list_node *list);
@@ -128,13 +128,13 @@ int udev_list_node_is_empty(struct udev_list_node *list);
 void udev_list_node_append(struct udev_list_node *new, struct udev_list_node *list);
 void udev_list_node_remove(struct udev_list_node *entry);
 #define udev_list_node_foreach(node, list) \
-	for (node = (list)->next; \
-	     node != list; \
-	     node = (node)->next)
+        for (node = (list)->next; \
+             node != list; \
+             node = (node)->next)
 #define udev_list_node_foreach_safe(node, tmp, list) \
-	for (node = (list)->next, tmp = (node)->next; \
-	     node != list; \
-	     node = tmp, tmp = (tmp)->next)
+        for (node = (list)->next, tmp = (node)->next; \
+             node != list; \
+             node = tmp, tmp = (tmp)->next)
 void udev_list_init(struct udev *udev, struct udev_list *list, bool unique);
 void udev_list_cleanup(struct udev_list *list);
 struct udev_list_entry *udev_list_get_entry(struct udev_list *list);
@@ -145,9 +145,9 @@ void udev_list_entry_append(struct udev_list_entry *new, struct udev_list *list)
 int udev_list_entry_get_num(struct udev_list_entry *list_entry);
 void udev_list_entry_set_num(struct udev_list_entry *list_entry, int num);
 #define udev_list_entry_foreach_safe(entry, tmp, first) \
-	for (entry = first, tmp = udev_list_entry_get_next(entry); \
-	     entry != NULL; \
-	     entry = tmp, tmp = udev_list_entry_get_next(tmp))
+        for (entry = first, tmp = udev_list_entry_get_next(entry); \
+             entry != NULL; \
+             entry = tmp, tmp = udev_list_entry_get_next(tmp))
 
 /* libudev-queue.c */
 unsigned long long int udev_get_kernel_seqnum(struct udev *udev);
@@ -163,10 +163,10 @@ int udev_queue_export_device_queued(struct udev_queue_export *udev_queue_export,
 int udev_queue_export_device_finished(struct udev_queue_export *udev_queue_export, struct udev_device *udev_device);
 
 /* libudev-util.c */
-#define UTIL_PATH_SIZE				1024
-#define UTIL_NAME_SIZE				512
-#define UTIL_LINE_SIZE				16384
-#define UDEV_ALLOWED_CHARS_INPUT		"/ $%?,"
+#define UTIL_PATH_SIZE                                1024
+#define UTIL_NAME_SIZE                                512
+#define UTIL_LINE_SIZE                                16384
+#define UDEV_ALLOWED_CHARS_INPUT                "/ $%?,"
 ssize_t util_get_sys_core_link_value(struct udev *udev, const char *slink, const char *syspath, char *value, size_t size);
 int util_resolve_sys_link(struct udev *udev, char *syspath, size_t size);
 int util_log_priority(const char *priority);
@@ -189,7 +189,7 @@ int util_delete_path(struct udev *udev, const char *path);
 uid_t util_lookup_user(struct udev *udev, const char *user);
 gid_t util_lookup_group(struct udev *udev, const char *group);
 int util_resolve_subsys_kernel(struct udev *udev, const char *string,
-				      char *result, size_t maxsize, int read_value);
+                                      char *result, size_t maxsize, int read_value);
 unsigned long long ts_usec(const struct timespec *ts);
 unsigned long long now_usec(void);
 
diff --git a/src/libudev-queue-private.c b/src/libudev-queue-private.c
index e0a7b53b..71771950 100644
--- a/src/libudev-queue-private.c
+++ b/src/libudev-queue-private.c
@@ -22,11 +22,11 @@
  * with the same sequence number but a devpath len of 0.
  *
  * Example:
- *	{ 0x0000000000000001 }
- *	{ 0x0000000000000001, 0x0019, "/devices/virtual/mem/null" },
- *	{ 0x0000000000000002, 0x001b, "/devices/virtual/mem/random" },
- *	{ 0x0000000000000001, 0x0000 },
- *	{ 0x0000000000000003, 0x0019, "/devices/virtual/mem/zero" },
+ *        { 0x0000000000000001 }
+ *        { 0x0000000000000001, 0x0019, "/devices/virtual/mem/null" },
+ *        { 0x0000000000000002, 0x001b, "/devices/virtual/mem/random" },
+ *        { 0x0000000000000001, 0x0000 },
+ *        { 0x0000000000000003, 0x0019, "/devices/virtual/mem/zero" },
  *
  * Events 2 and 3 are still queued, but event 1 has finished.
  *
@@ -55,83 +55,83 @@
 static int rebuild_queue_file(struct udev_queue_export *udev_queue_export);
 
 struct udev_queue_export {
-	struct udev *udev;
-	int queued_count;	/* number of unfinished events exported in queue file */
-	FILE *queue_file;
-	unsigned long long int seqnum_max;	/* earliest sequence number in queue file */
-	unsigned long long int seqnum_min;	/* latest sequence number in queue file */
-	int waste_bytes;			/* queue file bytes wasted on finished events */
+        struct udev *udev;
+        int queued_count;        /* number of unfinished events exported in queue file */
+        FILE *queue_file;
+        unsigned long long int seqnum_max;        /* earliest sequence number in queue file */
+        unsigned long long int seqnum_min;        /* latest sequence number in queue file */
+        int waste_bytes;                        /* queue file bytes wasted on finished events */
 };
 
 struct udev_queue_export *udev_queue_export_new(struct udev *udev)
 {
-	struct udev_queue_export *udev_queue_export;
-	unsigned long long int initial_seqnum;
+        struct udev_queue_export *udev_queue_export;
+        unsigned long long int initial_seqnum;
 
-	if (udev == NULL)
-		return NULL;
+        if (udev == NULL)
+                return NULL;
 
-	udev_queue_export = calloc(1, sizeof(struct udev_queue_export));
-	if (udev_queue_export == NULL)
-		return NULL;
-	udev_queue_export->udev = udev;
+        udev_queue_export = calloc(1, sizeof(struct udev_queue_export));
+        if (udev_queue_export == NULL)
+                return NULL;
+        udev_queue_export->udev = udev;
 
-	initial_seqnum = udev_get_kernel_seqnum(udev);
-	udev_queue_export->seqnum_min = initial_seqnum;
-	udev_queue_export->seqnum_max = initial_seqnum;
+        initial_seqnum = udev_get_kernel_seqnum(udev);
+        udev_queue_export->seqnum_min = initial_seqnum;
+        udev_queue_export->seqnum_max = initial_seqnum;
 
-	udev_queue_export_cleanup(udev_queue_export);
-	if (rebuild_queue_file(udev_queue_export) != 0) {
-		free(udev_queue_export);
-		return NULL;
-	}
+        udev_queue_export_cleanup(udev_queue_export);
+        if (rebuild_queue_file(udev_queue_export) != 0) {
+                free(udev_queue_export);
+                return NULL;
+        }
 
-	return udev_queue_export;
+        return udev_queue_export;
 }
 
 struct udev_queue_export *udev_queue_export_unref(struct udev_queue_export *udev_queue_export)
 {
-	if (udev_queue_export == NULL)
-		return NULL;
-	if (udev_queue_export->queue_file != NULL)
-		fclose(udev_queue_export->queue_file);
-	free(udev_queue_export);
-	return NULL;
+        if (udev_queue_export == NULL)
+                return NULL;
+        if (udev_queue_export->queue_file != NULL)
+                fclose(udev_queue_export->queue_file);
+        free(udev_queue_export);
+        return NULL;
 }
 
 void udev_queue_export_cleanup(struct udev_queue_export *udev_queue_export)
 {
-	char filename[UTIL_PATH_SIZE];
-
-	if (udev_queue_export == NULL)
-		return;
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.tmp", NULL);
-	unlink(filename);
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.bin", NULL);
-	unlink(filename);
+        char filename[UTIL_PATH_SIZE];
+
+        if (udev_queue_export == NULL)
+                return;
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.tmp", NULL);
+        unlink(filename);
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.bin", NULL);
+        unlink(filename);
 }
 
 static int skip_to(FILE *file, long offset)
 {
-	long old_offset;
+        long old_offset;
 
-	/* fseek may drop buffered data, avoid it for small seeks */
-	old_offset = ftell(file);
-	if (offset > old_offset && offset - old_offset <= BUFSIZ) {
-		size_t skip_bytes = offset - old_offset;
-		char buf[skip_bytes];
+        /* fseek may drop buffered data, avoid it for small seeks */
+        old_offset = ftell(file);
+        if (offset > old_offset && offset - old_offset <= BUFSIZ) {
+                size_t skip_bytes = offset - old_offset;
+                char buf[skip_bytes];
 
-		if (fread(buf, skip_bytes, 1, file) != skip_bytes)
-			return -1;
-	}
+                if (fread(buf, skip_bytes, 1, file) != skip_bytes)
+                        return -1;
+        }
 
-	return fseek(file, offset, SEEK_SET);
+        return fseek(file, offset, SEEK_SET);
 }
 
 struct queue_devpaths {
-	unsigned int devpaths_first;	/* index of first queued event */
-	unsigned int devpaths_size;
-	long devpaths[];		/* seqnum -> offset of devpath in queue file (or 0) */
+        unsigned int devpaths_first;        /* index of first queued event */
+        unsigned int devpaths_size;
+        long devpaths[];                /* seqnum -> offset of devpath in queue file (or 0) */
 };
 
 /*
@@ -140,273 +140,273 @@ struct queue_devpaths {
  */
 static struct queue_devpaths *build_index(struct udev_queue_export *udev_queue_export)
 {
-	struct queue_devpaths *devpaths;
-	unsigned long long int range;
-	long devpath_offset;
-	ssize_t devpath_len;
-	unsigned long long int seqnum;
-	unsigned long long int n;
-	unsigned int i;
-
-	/* seek to the first event in the file */
-	rewind(udev_queue_export->queue_file);
-	udev_queue_read_seqnum(udev_queue_export->queue_file, &seqnum);
-
-	/* allocate the table */
-	range = udev_queue_export->seqnum_min - udev_queue_export->seqnum_max;
-	if (range - 1 > INT_MAX) {
-		err(udev_queue_export->udev, "queue file overflow\n");
-		return NULL;
-	}
-	devpaths = calloc(1, sizeof(struct queue_devpaths) + (range + 1) * sizeof(long));
-	if (devpaths == NULL)
-		return NULL;
-	devpaths->devpaths_size = range + 1;
-
-	/* read all records and populate the table */
-	for (;;) {
-		if (udev_queue_read_seqnum(udev_queue_export->queue_file, &seqnum) < 0)
-			break;
-		n = seqnum - udev_queue_export->seqnum_max;
-		if (n >= devpaths->devpaths_size)
-			goto read_error;
-
-		devpath_offset = ftell(udev_queue_export->queue_file);
-		devpath_len = udev_queue_skip_devpath(udev_queue_export->queue_file);
-		if (devpath_len < 0)
-			goto read_error;
-
-		if (devpath_len > 0)
-			devpaths->devpaths[n] = devpath_offset;
-		else
-			devpaths->devpaths[n] = 0;
-	}
-
-	/* find first queued event */
-	for (i = 0; i < devpaths->devpaths_size; i++) {
-		if (devpaths->devpaths[i] != 0)
-			break;
-	}
-	devpaths->devpaths_first = i;
-
-	return devpaths;
+        struct queue_devpaths *devpaths;
+        unsigned long long int range;
+        long devpath_offset;
+        ssize_t devpath_len;
+        unsigned long long int seqnum;
+        unsigned long long int n;
+        unsigned int i;
+
+        /* seek to the first event in the file */
+        rewind(udev_queue_export->queue_file);
+        udev_queue_read_seqnum(udev_queue_export->queue_file, &seqnum);
+
+        /* allocate the table */
+        range = udev_queue_export->seqnum_min - udev_queue_export->seqnum_max;
+        if (range - 1 > INT_MAX) {
+                err(udev_queue_export->udev, "queue file overflow\n");
+                return NULL;
+        }
+        devpaths = calloc(1, sizeof(struct queue_devpaths) + (range + 1) * sizeof(long));
+        if (devpaths == NULL)
+                return NULL;
+        devpaths->devpaths_size = range + 1;
+
+        /* read all records and populate the table */
+        for (;;) {
+                if (udev_queue_read_seqnum(udev_queue_export->queue_file, &seqnum) < 0)
+                        break;
+                n = seqnum - udev_queue_export->seqnum_max;
+                if (n >= devpaths->devpaths_size)
+                        goto read_error;
+
+                devpath_offset = ftell(udev_queue_export->queue_file);
+                devpath_len = udev_queue_skip_devpath(udev_queue_export->queue_file);
+                if (devpath_len < 0)
+                        goto read_error;
+
+                if (devpath_len > 0)
+                        devpaths->devpaths[n] = devpath_offset;
+                else
+                        devpaths->devpaths[n] = 0;
+        }
+
+        /* find first queued event */
+        for (i = 0; i < devpaths->devpaths_size; i++) {
+                if (devpaths->devpaths[i] != 0)
+                        break;
+        }
+        devpaths->devpaths_first = i;
+
+        return devpaths;
 
 read_error:
-	err(udev_queue_export->udev, "queue file corrupted\n");
-	free(devpaths);
-	return NULL;
+        err(udev_queue_export->udev, "queue file corrupted\n");
+        free(devpaths);
+        return NULL;
 }
 
 static int rebuild_queue_file(struct udev_queue_export *udev_queue_export)
 {
-	unsigned long long int seqnum;
-	struct queue_devpaths *devpaths = NULL;
-	char filename[UTIL_PATH_SIZE];
-	char filename_tmp[UTIL_PATH_SIZE];
-	FILE *new_queue_file = NULL;
-	unsigned int i;
-
-	/* read old queue file */
-	if (udev_queue_export->queue_file != NULL) {
-		dbg(udev_queue_export->udev, "compacting queue file, freeing %d bytes\n",
-						udev_queue_export->waste_bytes);
-
-		devpaths = build_index(udev_queue_export);
-		if (devpaths != NULL)
-			udev_queue_export->seqnum_max += devpaths->devpaths_first;
-	}
-	if (devpaths == NULL) {
-		dbg(udev_queue_export->udev, "creating empty queue file\n");
-		udev_queue_export->queued_count = 0;
-		udev_queue_export->seqnum_max = udev_queue_export->seqnum_min;
-	}
-
-	/* create new queue file */
-	util_strscpyl(filename_tmp, sizeof(filename_tmp), udev_get_run_path(udev_queue_export->udev), "/queue.tmp", NULL);
-	new_queue_file = fopen(filename_tmp, "w+");
-	if (new_queue_file == NULL)
-		goto error;
-	seqnum = udev_queue_export->seqnum_max;
-	fwrite(&seqnum, 1, sizeof(unsigned long long int), new_queue_file);
-
-	/* copy unfinished events only to the new file */
-	if (devpaths != NULL) {
-		for (i = devpaths->devpaths_first; i < devpaths->devpaths_size; i++) {
-			char devpath[UTIL_PATH_SIZE];
-			int err;
-			unsigned short devpath_len;
-
-			if (devpaths->devpaths[i] != 0)
-			{
-				skip_to(udev_queue_export->queue_file, devpaths->devpaths[i]);
-				err = udev_queue_read_devpath(udev_queue_export->queue_file, devpath, sizeof(devpath));
-				devpath_len = err;
-
-				fwrite(&seqnum, sizeof(unsigned long long int), 1, new_queue_file);
-				fwrite(&devpath_len, sizeof(unsigned short), 1, new_queue_file);
-				fwrite(devpath, 1, devpath_len, new_queue_file);
-			}
-			seqnum++;
-		}
-		free(devpaths);
-		devpaths = NULL;
-	}
-	fflush(new_queue_file);
-	if (ferror(new_queue_file))
-		goto error;
-
-	/* rename the new file on top of the old one */
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.bin", NULL);
-	if (rename(filename_tmp, filename) != 0)
-		goto error;
-
-	if (udev_queue_export->queue_file != NULL)
-		fclose(udev_queue_export->queue_file);
-	udev_queue_export->queue_file = new_queue_file;
-	udev_queue_export->waste_bytes = 0;
-
-	return 0;
+        unsigned long long int seqnum;
+        struct queue_devpaths *devpaths = NULL;
+        char filename[UTIL_PATH_SIZE];
+        char filename_tmp[UTIL_PATH_SIZE];
+        FILE *new_queue_file = NULL;
+        unsigned int i;
+
+        /* read old queue file */
+        if (udev_queue_export->queue_file != NULL) {
+                dbg(udev_queue_export->udev, "compacting queue file, freeing %d bytes\n",
+                                                udev_queue_export->waste_bytes);
+
+                devpaths = build_index(udev_queue_export);
+                if (devpaths != NULL)
+                        udev_queue_export->seqnum_max += devpaths->devpaths_first;
+        }
+        if (devpaths == NULL) {
+                dbg(udev_queue_export->udev, "creating empty queue file\n");
+                udev_queue_export->queued_count = 0;
+                udev_queue_export->seqnum_max = udev_queue_export->seqnum_min;
+        }
+
+        /* create new queue file */
+        util_strscpyl(filename_tmp, sizeof(filename_tmp), udev_get_run_path(udev_queue_export->udev), "/queue.tmp", NULL);
+        new_queue_file = fopen(filename_tmp, "w+");
+        if (new_queue_file == NULL)
+                goto error;
+        seqnum = udev_queue_export->seqnum_max;
+        fwrite(&seqnum, 1, sizeof(unsigned long long int), new_queue_file);
+
+        /* copy unfinished events only to the new file */
+        if (devpaths != NULL) {
+                for (i = devpaths->devpaths_first; i < devpaths->devpaths_size; i++) {
+                        char devpath[UTIL_PATH_SIZE];
+                        int err;
+                        unsigned short devpath_len;
+
+                        if (devpaths->devpaths[i] != 0)
+                        {
+                                skip_to(udev_queue_export->queue_file, devpaths->devpaths[i]);
+                                err = udev_queue_read_devpath(udev_queue_export->queue_file, devpath, sizeof(devpath));
+                                devpath_len = err;
+
+                                fwrite(&seqnum, sizeof(unsigned long long int), 1, new_queue_file);
+                                fwrite(&devpath_len, sizeof(unsigned short), 1, new_queue_file);
+                                fwrite(devpath, 1, devpath_len, new_queue_file);
+                        }
+                        seqnum++;
+                }
+                free(devpaths);
+                devpaths = NULL;
+        }
+        fflush(new_queue_file);
+        if (ferror(new_queue_file))
+                goto error;
+
+        /* rename the new file on top of the old one */
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.bin", NULL);
+        if (rename(filename_tmp, filename) != 0)
+                goto error;
+
+        if (udev_queue_export->queue_file != NULL)
+                fclose(udev_queue_export->queue_file);
+        udev_queue_export->queue_file = new_queue_file;
+        udev_queue_export->waste_bytes = 0;
+
+        return 0;
 
 error:
-	err(udev_queue_export->udev, "failed to create queue file: %m\n");
-	udev_queue_export_cleanup(udev_queue_export);
-
-	if (udev_queue_export->queue_file != NULL) {
-		fclose(udev_queue_export->queue_file);
-		udev_queue_export->queue_file = NULL;
-	}
-	if (new_queue_file != NULL)
-		fclose(new_queue_file);
-
-	if (devpaths != NULL)
-		free(devpaths);
-	udev_queue_export->queued_count = 0;
-	udev_queue_export->waste_bytes = 0;
-	udev_queue_export->seqnum_max = udev_queue_export->seqnum_min;
-
-	return -1;
+        err(udev_queue_export->udev, "failed to create queue file: %m\n");
+        udev_queue_export_cleanup(udev_queue_export);
+
+        if (udev_queue_export->queue_file != NULL) {
+                fclose(udev_queue_export->queue_file);
+                udev_queue_export->queue_file = NULL;
+        }
+        if (new_queue_file != NULL)
+                fclose(new_queue_file);
+
+        if (devpaths != NULL)
+                free(devpaths);
+        udev_queue_export->queued_count = 0;
+        udev_queue_export->waste_bytes = 0;
+        udev_queue_export->seqnum_max = udev_queue_export->seqnum_min;
+
+        return -1;
 }
 
 static int write_queue_record(struct udev_queue_export *udev_queue_export,
-			      unsigned long long int seqnum, const char *devpath, size_t devpath_len)
+                              unsigned long long int seqnum, const char *devpath, size_t devpath_len)
 {
-	unsigned short len;
+        unsigned short len;
 
-	if (udev_queue_export->queue_file == NULL) {
-		dbg(udev_queue_export->udev, "can't record event: queue file not available\n");
-		return -1;
-	}
+        if (udev_queue_export->queue_file == NULL) {
+                dbg(udev_queue_export->udev, "can't record event: queue file not available\n");
+                return -1;
+        }
 
-	if (fwrite(&seqnum, sizeof(unsigned long long int), 1, udev_queue_export->queue_file) != 1)
-		goto write_error;
+        if (fwrite(&seqnum, sizeof(unsigned long long int), 1, udev_queue_export->queue_file) != 1)
+                goto write_error;
 
-	len = (devpath_len < USHRT_MAX) ? devpath_len : USHRT_MAX;
-	if (fwrite(&len, sizeof(unsigned short), 1, udev_queue_export->queue_file) != 1)
-		goto write_error;
-	if (len > 0) {
-		if (fwrite(devpath, 1, len, udev_queue_export->queue_file) != len)
-			goto write_error;
-	}
+        len = (devpath_len < USHRT_MAX) ? devpath_len : USHRT_MAX;
+        if (fwrite(&len, sizeof(unsigned short), 1, udev_queue_export->queue_file) != 1)
+                goto write_error;
+        if (len > 0) {
+                if (fwrite(devpath, 1, len, udev_queue_export->queue_file) != len)
+                        goto write_error;
+        }
 
-	/* *must* flush output; caller may fork */
-	if (fflush(udev_queue_export->queue_file) != 0)
-		goto write_error;
+        /* *must* flush output; caller may fork */
+        if (fflush(udev_queue_export->queue_file) != 0)
+                goto write_error;
 
-	return 0;
+        return 0;
 
 write_error:
-	/* if we failed half way through writing a record to a file,
-	   we should not try to write any further records to it. */
-	err(udev_queue_export->udev, "error writing to queue file: %m\n");
-	fclose(udev_queue_export->queue_file);
-	udev_queue_export->queue_file = NULL;
+        /* if we failed half way through writing a record to a file,
+           we should not try to write any further records to it. */
+        err(udev_queue_export->udev, "error writing to queue file: %m\n");
+        fclose(udev_queue_export->queue_file);
+        udev_queue_export->queue_file = NULL;
 
-	return -1;
+        return -1;
 }
 
 enum device_state {
-	DEVICE_QUEUED,
-	DEVICE_FINISHED,
+        DEVICE_QUEUED,
+        DEVICE_FINISHED,
 };
 
 static inline size_t queue_record_size(size_t devpath_len)
 {
-	return sizeof(unsigned long long int) + sizeof(unsigned short int) + devpath_len;
+        return sizeof(unsigned long long int) + sizeof(unsigned short int) + devpath_len;
 }
 
 static int update_queue(struct udev_queue_export *udev_queue_export,
-			 struct udev_device *udev_device, enum device_state state)
+                         struct udev_device *udev_device, enum device_state state)
 {
-	unsigned long long int seqnum = udev_device_get_seqnum(udev_device);
-	const char *devpath = NULL;
-	size_t devpath_len = 0;
-	int bytes;
-	int err;
-
-	/* FINISHED records have a zero length devpath */
-	if (state == DEVICE_QUEUED) {
-		devpath = udev_device_get_devpath(udev_device);
-		devpath_len = strlen(devpath);
-	}
-
-	/* recover from an earlier failed rebuild */
-	if (udev_queue_export->queue_file == NULL) {
-		if (rebuild_queue_file(udev_queue_export) != 0)
-			return -1;
-	}
-
-	/* if we're removing the last event from the queue, that's the best time to rebuild it */
-	if (state != DEVICE_QUEUED && udev_queue_export->queued_count == 1) {
-		/* we don't need to read the old queue file */
-		fclose(udev_queue_export->queue_file);
-		udev_queue_export->queue_file = NULL;
-		rebuild_queue_file(udev_queue_export);
-		return 0;
-	}
-
-	/* try to rebuild the queue files before they grow larger than one page. */
-	bytes = ftell(udev_queue_export->queue_file) + queue_record_size(devpath_len);
-	if ((udev_queue_export->waste_bytes > bytes / 2) && bytes > 4096)
-		rebuild_queue_file(udev_queue_export);
-
-	/* don't record a finished event, if we already dropped the event in a failed rebuild */
-	if (seqnum < udev_queue_export->seqnum_max)
-		return 0;
-
-	/* now write to the queue */
-	if (state == DEVICE_QUEUED) {
-		udev_queue_export->queued_count++;
-		udev_queue_export->seqnum_min = seqnum;
-	} else {
-		udev_queue_export->waste_bytes += queue_record_size(devpath_len) + queue_record_size(0);
-		udev_queue_export->queued_count--;
-	}
-	err = write_queue_record(udev_queue_export, seqnum, devpath, devpath_len);
-
-	/* try to handle ENOSPC */
-	if (err != 0 && udev_queue_export->queued_count == 0) {
-		udev_queue_export_cleanup(udev_queue_export);
-		err = rebuild_queue_file(udev_queue_export);
-	}
-
-	return err;
+        unsigned long long int seqnum = udev_device_get_seqnum(udev_device);
+        const char *devpath = NULL;
+        size_t devpath_len = 0;
+        int bytes;
+        int err;
+
+        /* FINISHED records have a zero length devpath */
+        if (state == DEVICE_QUEUED) {
+                devpath = udev_device_get_devpath(udev_device);
+                devpath_len = strlen(devpath);
+        }
+
+        /* recover from an earlier failed rebuild */
+        if (udev_queue_export->queue_file == NULL) {
+                if (rebuild_queue_file(udev_queue_export) != 0)
+                        return -1;
+        }
+
+        /* if we're removing the last event from the queue, that's the best time to rebuild it */
+        if (state != DEVICE_QUEUED && udev_queue_export->queued_count == 1) {
+                /* we don't need to read the old queue file */
+                fclose(udev_queue_export->queue_file);
+                udev_queue_export->queue_file = NULL;
+                rebuild_queue_file(udev_queue_export);
+                return 0;
+        }
+
+        /* try to rebuild the queue files before they grow larger than one page. */
+        bytes = ftell(udev_queue_export->queue_file) + queue_record_size(devpath_len);
+        if ((udev_queue_export->waste_bytes > bytes / 2) && bytes > 4096)
+                rebuild_queue_file(udev_queue_export);
+
+        /* don't record a finished event, if we already dropped the event in a failed rebuild */
+        if (seqnum < udev_queue_export->seqnum_max)
+                return 0;
+
+        /* now write to the queue */
+        if (state == DEVICE_QUEUED) {
+                udev_queue_export->queued_count++;
+                udev_queue_export->seqnum_min = seqnum;
+        } else {
+                udev_queue_export->waste_bytes += queue_record_size(devpath_len) + queue_record_size(0);
+                udev_queue_export->queued_count--;
+        }
+        err = write_queue_record(udev_queue_export, seqnum, devpath, devpath_len);
+
+        /* try to handle ENOSPC */
+        if (err != 0 && udev_queue_export->queued_count == 0) {
+                udev_queue_export_cleanup(udev_queue_export);
+                err = rebuild_queue_file(udev_queue_export);
+        }
+
+        return err;
 }
 
 static int update(struct udev_queue_export *udev_queue_export,
-		  struct udev_device *udev_device, enum device_state state)
+                  struct udev_device *udev_device, enum device_state state)
 {
-	if (update_queue(udev_queue_export, udev_device, state) != 0)
-		return -1;
+        if (update_queue(udev_queue_export, udev_device, state) != 0)
+                return -1;
 
-	return 0;
+        return 0;
 }
 
 int udev_queue_export_device_queued(struct udev_queue_export *udev_queue_export, struct udev_device *udev_device)
 {
-	return update(udev_queue_export, udev_device, DEVICE_QUEUED);
+        return update(udev_queue_export, udev_device, DEVICE_QUEUED);
 }
 
 int udev_queue_export_device_finished(struct udev_queue_export *udev_queue_export, struct udev_device *udev_device)
 {
-	return update(udev_queue_export, udev_device, DEVICE_FINISHED);
+        return update(udev_queue_export, udev_device, DEVICE_FINISHED);
 }
diff --git a/src/libudev-queue.c b/src/libudev-queue.c
index 3d46b67d..7a4b563c 100644
--- a/src/libudev-queue.c
+++ b/src/libudev-queue.c
@@ -40,9 +40,9 @@
  * Opaque object representing the current event queue in the udev daemon.
  */
 struct udev_queue {
-	struct udev *udev;
-	int refcount;
-	struct udev_list queue_list;
+        struct udev *udev;
+        int refcount;
+        struct udev_list queue_list;
 };
 
 /**
@@ -56,18 +56,18 @@ struct udev_queue {
  **/
 UDEV_EXPORT struct udev_queue *udev_queue_new(struct udev *udev)
 {
-	struct udev_queue *udev_queue;
-
-	if (udev == NULL)
-		return NULL;
-
-	udev_queue = calloc(1, sizeof(struct udev_queue));
-	if (udev_queue == NULL)
-		return NULL;
-	udev_queue->refcount = 1;
-	udev_queue->udev = udev;
-	udev_list_init(udev, &udev_queue->queue_list, false);
-	return udev_queue;
+        struct udev_queue *udev_queue;
+
+        if (udev == NULL)
+                return NULL;
+
+        udev_queue = calloc(1, sizeof(struct udev_queue));
+        if (udev_queue == NULL)
+                return NULL;
+        udev_queue->refcount = 1;
+        udev_queue->udev = udev;
+        udev_list_init(udev, &udev_queue->queue_list, false);
+        return udev_queue;
 }
 
 /**
@@ -80,10 +80,10 @@ UDEV_EXPORT struct udev_queue *udev_queue_new(struct udev *udev)
  **/
 UDEV_EXPORT struct udev_queue *udev_queue_ref(struct udev_queue *udev_queue)
 {
-	if (udev_queue == NULL)
-		return NULL;
-	udev_queue->refcount++;
-	return udev_queue;
+        if (udev_queue == NULL)
+                return NULL;
+        udev_queue->refcount++;
+        return udev_queue;
 }
 
 /**
@@ -95,13 +95,13 @@ UDEV_EXPORT struct udev_queue *udev_queue_ref(struct udev_queue *udev_queue)
  **/
 UDEV_EXPORT void udev_queue_unref(struct udev_queue *udev_queue)
 {
-	if (udev_queue == NULL)
-		return;
-	udev_queue->refcount--;
-	if (udev_queue->refcount > 0)
-		return;
-	udev_list_cleanup(&udev_queue->queue_list);
-	free(udev_queue);
+        if (udev_queue == NULL)
+                return;
+        udev_queue->refcount--;
+        if (udev_queue->refcount > 0)
+                return;
+        udev_list_cleanup(&udev_queue->queue_list);
+        free(udev_queue);
 }
 
 /**
@@ -114,30 +114,30 @@ UDEV_EXPORT void udev_queue_unref(struct udev_queue *udev_queue)
  **/
 UDEV_EXPORT struct udev *udev_queue_get_udev(struct udev_queue *udev_queue)
 {
-	if (udev_queue == NULL)
-		return NULL;
-	return udev_queue->udev;
+        if (udev_queue == NULL)
+                return NULL;
+        return udev_queue->udev;
 }
 
 unsigned long long int udev_get_kernel_seqnum(struct udev *udev)
 {
-	char filename[UTIL_PATH_SIZE];
-	unsigned long long int seqnum;
-	int fd;
-	char buf[32];
-	ssize_t len;
-
-	util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), "/kernel/uevent_seqnum", NULL);
-	fd = open(filename, O_RDONLY|O_CLOEXEC);
-	if (fd < 0)
-		return 0;
-	len = read(fd, buf, sizeof(buf));
-	close(fd);
-	if (len <= 2)
-		return 0;
-	buf[len-1] = '\0';
-	seqnum = strtoull(buf, NULL, 10);
-	return seqnum;
+        char filename[UTIL_PATH_SIZE];
+        unsigned long long int seqnum;
+        int fd;
+        char buf[32];
+        ssize_t len;
+
+        util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), "/kernel/uevent_seqnum", NULL);
+        fd = open(filename, O_RDONLY|O_CLOEXEC);
+        if (fd < 0)
+                return 0;
+        len = read(fd, buf, sizeof(buf));
+        close(fd);
+        if (len <= 2)
+                return 0;
+        buf[len-1] = '\0';
+        seqnum = strtoull(buf, NULL, 10);
+        return seqnum;
 }
 
 /**
@@ -148,81 +148,81 @@ unsigned long long int udev_get_kernel_seqnum(struct udev *udev)
  **/
 UDEV_EXPORT unsigned long long int udev_queue_get_kernel_seqnum(struct udev_queue *udev_queue)
 {
-	unsigned long long int seqnum;
+        unsigned long long int seqnum;
 
-	if (udev_queue == NULL)
-		return -EINVAL;
+        if (udev_queue == NULL)
+                return -EINVAL;
 
-	seqnum = udev_get_kernel_seqnum(udev_queue->udev);
-	dbg(udev_queue->udev, "seqnum=%llu\n", seqnum);
-	return seqnum;
+        seqnum = udev_get_kernel_seqnum(udev_queue->udev);
+        dbg(udev_queue->udev, "seqnum=%llu\n", seqnum);
+        return seqnum;
 }
 
 int udev_queue_read_seqnum(FILE *queue_file, unsigned long long int *seqnum)
 {
-	if (fread(seqnum, sizeof(unsigned long long int), 1, queue_file) != 1)
-		return -1;
+        if (fread(seqnum, sizeof(unsigned long long int), 1, queue_file) != 1)
+                return -1;
 
-	return 0;
+        return 0;
 }
 
 ssize_t udev_queue_skip_devpath(FILE *queue_file)
 {
-	unsigned short int len;
+        unsigned short int len;
 
-	if (fread(&len, sizeof(unsigned short int), 1, queue_file) == 1) {
-		char devpath[len];
+        if (fread(&len, sizeof(unsigned short int), 1, queue_file) == 1) {
+                char devpath[len];
 
-		/* use fread to skip, fseek might drop buffered data */
-		if (fread(devpath, 1, len, queue_file) == len)
-			return len;
-	}
+                /* use fread to skip, fseek might drop buffered data */
+                if (fread(devpath, 1, len, queue_file) == len)
+                        return len;
+        }
 
-	return -1;
+        return -1;
 }
 
 ssize_t udev_queue_read_devpath(FILE *queue_file, char *devpath, size_t size)
 {
-	unsigned short int read_bytes = 0;
-	unsigned short int len;
+        unsigned short int read_bytes = 0;
+        unsigned short int len;
 
-	if (fread(&len, sizeof(unsigned short int), 1, queue_file) != 1)
-		return -1;
+        if (fread(&len, sizeof(unsigned short int), 1, queue_file) != 1)
+                return -1;
 
-	read_bytes = (len < size - 1) ? len : size - 1;
-	if (fread(devpath, 1, read_bytes, queue_file) != read_bytes)
-		return -1;
-	devpath[read_bytes] = '\0';
+        read_bytes = (len < size - 1) ? len : size - 1;
+        if (fread(devpath, 1, read_bytes, queue_file) != read_bytes)
+                return -1;
+        devpath[read_bytes] = '\0';
 
-	/* if devpath was too long, skip unread characters */
-	if (read_bytes != len) {
-		unsigned short int skip_bytes = len - read_bytes;
-		char buf[skip_bytes];
+        /* if devpath was too long, skip unread characters */
+        if (read_bytes != len) {
+                unsigned short int skip_bytes = len - read_bytes;
+                char buf[skip_bytes];
 
-		if (fread(buf, 1, skip_bytes, queue_file) != skip_bytes)
-			return -1;
-	}
+                if (fread(buf, 1, skip_bytes, queue_file) != skip_bytes)
+                        return -1;
+        }
 
-	return read_bytes;
+        return read_bytes;
 }
 
 static FILE *open_queue_file(struct udev_queue *udev_queue, unsigned long long int *seqnum_start)
 {
-	char filename[UTIL_PATH_SIZE];
-	FILE *queue_file;
+        char filename[UTIL_PATH_SIZE];
+        FILE *queue_file;
 
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue->udev), "/queue.bin", NULL);
-	queue_file = fopen(filename, "re");
-	if (queue_file == NULL)
-		return NULL;
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue->udev), "/queue.bin", NULL);
+        queue_file = fopen(filename, "re");
+        if (queue_file == NULL)
+                return NULL;
 
-	if (udev_queue_read_seqnum(queue_file, seqnum_start) < 0) {
-		err(udev_queue->udev, "corrupt queue file\n");
-		fclose(queue_file);
-		return NULL;
-	}
+        if (udev_queue_read_seqnum(queue_file, seqnum_start) < 0) {
+                err(udev_queue->udev, "corrupt queue file\n");
+                fclose(queue_file);
+                return NULL;
+        }
 
-	return queue_file;
+        return queue_file;
 }
 
 /**
@@ -233,28 +233,28 @@ static FILE *open_queue_file(struct udev_queue *udev_queue, unsigned long long i
  **/
 UDEV_EXPORT unsigned long long int udev_queue_get_udev_seqnum(struct udev_queue *udev_queue)
 {
-	unsigned long long int seqnum_udev;
-	FILE *queue_file;
-
-	queue_file = open_queue_file(udev_queue, &seqnum_udev);
-	if (queue_file == NULL)
-		return 0;
-
-	for (;;) {
-		unsigned long long int seqnum;
-		ssize_t devpath_len;
-
-		if (udev_queue_read_seqnum(queue_file, &seqnum) < 0)
-			break;
-		devpath_len = udev_queue_skip_devpath(queue_file);
-		if (devpath_len < 0)
-			break;
-		if (devpath_len > 0)
-			seqnum_udev = seqnum;
-	}
-
-	fclose(queue_file);
-	return seqnum_udev;
+        unsigned long long int seqnum_udev;
+        FILE *queue_file;
+
+        queue_file = open_queue_file(udev_queue, &seqnum_udev);
+        if (queue_file == NULL)
+                return 0;
+
+        for (;;) {
+                unsigned long long int seqnum;
+                ssize_t devpath_len;
+
+                if (udev_queue_read_seqnum(queue_file, &seqnum) < 0)
+                        break;
+                devpath_len = udev_queue_skip_devpath(queue_file);
+                if (devpath_len < 0)
+                        break;
+                if (devpath_len > 0)
+                        seqnum_udev = seqnum;
+        }
+
+        fclose(queue_file);
+        return seqnum_udev;
 }
 
 /**
@@ -265,15 +265,15 @@ UDEV_EXPORT unsigned long long int udev_queue_get_udev_seqnum(struct udev_queue
  **/
 UDEV_EXPORT int udev_queue_get_udev_is_active(struct udev_queue *udev_queue)
 {
-	unsigned long long int seqnum_start;
-	FILE *queue_file;
+        unsigned long long int seqnum_start;
+        FILE *queue_file;
 
-	queue_file = open_queue_file(udev_queue, &seqnum_start);
-	if (queue_file == NULL)
-		return 0;
+        queue_file = open_queue_file(udev_queue, &seqnum_start);
+        if (queue_file == NULL)
+                return 0;
 
-	fclose(queue_file);
-	return 1;
+        fclose(queue_file);
+        return 1;
 }
 
 /**
@@ -284,54 +284,54 @@ UDEV_EXPORT int udev_queue_get_udev_is_active(struct udev_queue *udev_queue)
  **/
 UDEV_EXPORT int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue)
 {
-	unsigned long long int seqnum_kernel;
-	unsigned long long int seqnum_udev = 0;
-	int queued = 0;
-	int is_empty = 0;
-	FILE *queue_file;
-
-	if (udev_queue == NULL)
-		return -EINVAL;
-	queue_file = open_queue_file(udev_queue, &seqnum_udev);
-	if (queue_file == NULL)
-		return 1;
-
-	for (;;) {
-		unsigned long long int seqnum;
-		ssize_t devpath_len;
-
-		if (udev_queue_read_seqnum(queue_file, &seqnum) < 0)
-			break;
-		devpath_len = udev_queue_skip_devpath(queue_file);
-		if (devpath_len < 0)
-			break;
-
-		if (devpath_len > 0) {
-			queued++;
-			seqnum_udev = seqnum;
-		} else {
-			queued--;
-		}
-	}
-
-	if (queued > 0) {
-		dbg(udev_queue->udev, "queue is not empty\n");
-		goto out;
-	}
-
-	seqnum_kernel = udev_queue_get_kernel_seqnum(udev_queue);
-	if (seqnum_udev < seqnum_kernel) {
-		dbg(udev_queue->udev, "queue is empty but kernel events still pending [%llu]<->[%llu]\n",
-					seqnum_kernel, seqnum_udev);
-		goto out;
-	}
-
-	dbg(udev_queue->udev, "queue is empty\n");
-	is_empty = 1;
+        unsigned long long int seqnum_kernel;
+        unsigned long long int seqnum_udev = 0;
+        int queued = 0;
+        int is_empty = 0;
+        FILE *queue_file;
+
+        if (udev_queue == NULL)
+                return -EINVAL;
+        queue_file = open_queue_file(udev_queue, &seqnum_udev);
+        if (queue_file == NULL)
+                return 1;
+
+        for (;;) {
+                unsigned long long int seqnum;
+                ssize_t devpath_len;
+
+                if (udev_queue_read_seqnum(queue_file, &seqnum) < 0)
+                        break;
+                devpath_len = udev_queue_skip_devpath(queue_file);
+                if (devpath_len < 0)
+                        break;
+
+                if (devpath_len > 0) {
+                        queued++;
+                        seqnum_udev = seqnum;
+                } else {
+                        queued--;
+                }
+        }
+
+        if (queued > 0) {
+                dbg(udev_queue->udev, "queue is not empty\n");
+                goto out;
+        }
+
+        seqnum_kernel = udev_queue_get_kernel_seqnum(udev_queue);
+        if (seqnum_udev < seqnum_kernel) {
+                dbg(udev_queue->udev, "queue is empty but kernel events still pending [%llu]<->[%llu]\n",
+                                        seqnum_kernel, seqnum_udev);
+                goto out;
+        }
+
+        dbg(udev_queue->udev, "queue is empty\n");
+        is_empty = 1;
 
 out:
-	fclose(queue_file);
-	return is_empty;
+        fclose(queue_file);
+        return is_empty;
 }
 
 /**
@@ -343,58 +343,58 @@ out:
  * Returns: a flag indicating if any of the sequence numbers in the given range is currently active.
  **/
 UDEV_EXPORT int udev_queue_get_seqnum_sequence_is_finished(struct udev_queue *udev_queue,
-					       unsigned long long int start, unsigned long long int end)
+                                               unsigned long long int start, unsigned long long int end)
 {
-	unsigned long long int seqnum;
-	ssize_t devpath_len;
-	int unfinished;
-	FILE *queue_file;
-
-	if (udev_queue == NULL)
-		return -EINVAL;
-	queue_file = open_queue_file(udev_queue, &seqnum);
-	if (queue_file == NULL)
-		return 1;
-	if (start < seqnum)
-		start = seqnum;
-	if (start > end) {
-		fclose(queue_file);
-		return 1;
-	}
-	if (end - start > INT_MAX - 1) {
-		fclose(queue_file);
-		return -EOVERFLOW;
-	}
-
-	/*
-	 * we might start with 0, and handle the initial seqnum
-	 * only when we find an entry in the queue file
-	 **/
-	unfinished = end - start;
-
-	do {
-		if (udev_queue_read_seqnum(queue_file, &seqnum) < 0)
-			break;
-		devpath_len = udev_queue_skip_devpath(queue_file);
-		if (devpath_len < 0)
-			break;
-
-		/*
-		 * we might start with an empty or re-build queue file, where
-		 * the initial seqnum is not recorded as finished
-		 */
-		if (start == seqnum && devpath_len > 0)
-			unfinished++;
-
-		if (devpath_len == 0) {
-			if (seqnum >= start && seqnum <= end)
-				unfinished--;
-		}
-	} while (unfinished > 0);
-
-	fclose(queue_file);
-
-	return (unfinished == 0);
+        unsigned long long int seqnum;
+        ssize_t devpath_len;
+        int unfinished;
+        FILE *queue_file;
+
+        if (udev_queue == NULL)
+                return -EINVAL;
+        queue_file = open_queue_file(udev_queue, &seqnum);
+        if (queue_file == NULL)
+                return 1;
+        if (start < seqnum)
+                start = seqnum;
+        if (start > end) {
+                fclose(queue_file);
+                return 1;
+        }
+        if (end - start > INT_MAX - 1) {
+                fclose(queue_file);
+                return -EOVERFLOW;
+        }
+
+        /*
+         * we might start with 0, and handle the initial seqnum
+         * only when we find an entry in the queue file
+         **/
+        unfinished = end - start;
+
+        do {
+                if (udev_queue_read_seqnum(queue_file, &seqnum) < 0)
+                        break;
+                devpath_len = udev_queue_skip_devpath(queue_file);
+                if (devpath_len < 0)
+                        break;
+
+                /*
+                 * we might start with an empty or re-build queue file, where
+                 * the initial seqnum is not recorded as finished
+                 */
+                if (start == seqnum && devpath_len > 0)
+                        unfinished++;
+
+                if (devpath_len == 0) {
+                        if (seqnum >= start && seqnum <= end)
+                                unfinished--;
+                }
+        } while (unfinished > 0);
+
+        fclose(queue_file);
+
+        return (unfinished == 0);
 }
 
 /**
@@ -406,11 +406,11 @@ UDEV_EXPORT int udev_queue_get_seqnum_sequence_is_finished(struct udev_queue *ud
  **/
 UDEV_EXPORT int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue, unsigned long long int seqnum)
 {
-	if (!udev_queue_get_seqnum_sequence_is_finished(udev_queue, seqnum, seqnum))
-		return 0;
+        if (!udev_queue_get_seqnum_sequence_is_finished(udev_queue, seqnum, seqnum))
+                return 0;
 
-	dbg(udev_queue->udev, "seqnum: %llu finished\n", seqnum);
-	return 1;
+        dbg(udev_queue->udev, "seqnum: %llu finished\n", seqnum);
+        return 1;
 }
 
 /**
@@ -421,54 +421,54 @@ UDEV_EXPORT int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue,
  **/
 UDEV_EXPORT struct udev_list_entry *udev_queue_get_queued_list_entry(struct udev_queue *udev_queue)
 {
-	unsigned long long int seqnum;
-	FILE *queue_file;
-
-	if (udev_queue == NULL)
-		return NULL;
-	udev_list_cleanup(&udev_queue->queue_list);
-
-	queue_file = open_queue_file(udev_queue, &seqnum);
-	if (queue_file == NULL)
-		return NULL;
-
-	for (;;) {
-		char syspath[UTIL_PATH_SIZE];
-		char *s;
-		size_t l;
-		ssize_t len;
-		char seqnum_str[32];
-		struct udev_list_entry *list_entry;
-
-		if (udev_queue_read_seqnum(queue_file, &seqnum) < 0)
-			break;
-		snprintf(seqnum_str, sizeof(seqnum_str), "%llu", seqnum);
-
-		s = syspath;
-		l = util_strpcpyl(&s, sizeof(syspath), udev_get_sys_path(udev_queue->udev), NULL);
-		len = udev_queue_read_devpath(queue_file, s, l);
-		if (len < 0)
-			break;
-
-		if (len > 0) {
-			udev_list_entry_add(&udev_queue->queue_list, syspath, seqnum_str);
-		} else {
-			udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_queue->queue_list)) {
-				if (strcmp(seqnum_str, udev_list_entry_get_value(list_entry)) == 0) {
-					udev_list_entry_delete(list_entry);
-					break;
-				}
-			}
-		}
-	}
-	fclose(queue_file);
-
-	return udev_list_get_entry(&udev_queue->queue_list);
+        unsigned long long int seqnum;
+        FILE *queue_file;
+
+        if (udev_queue == NULL)
+                return NULL;
+        udev_list_cleanup(&udev_queue->queue_list);
+
+        queue_file = open_queue_file(udev_queue, &seqnum);
+        if (queue_file == NULL)
+                return NULL;
+
+        for (;;) {
+                char syspath[UTIL_PATH_SIZE];
+                char *s;
+                size_t l;
+                ssize_t len;
+                char seqnum_str[32];
+                struct udev_list_entry *list_entry;
+
+                if (udev_queue_read_seqnum(queue_file, &seqnum) < 0)
+                        break;
+                snprintf(seqnum_str, sizeof(seqnum_str), "%llu", seqnum);
+
+                s = syspath;
+                l = util_strpcpyl(&s, sizeof(syspath), udev_get_sys_path(udev_queue->udev), NULL);
+                len = udev_queue_read_devpath(queue_file, s, l);
+                if (len < 0)
+                        break;
+
+                if (len > 0) {
+                        udev_list_entry_add(&udev_queue->queue_list, syspath, seqnum_str);
+                } else {
+                        udev_list_entry_foreach(list_entry, udev_list_get_entry(&udev_queue->queue_list)) {
+                                if (strcmp(seqnum_str, udev_list_entry_get_value(list_entry)) == 0) {
+                                        udev_list_entry_delete(list_entry);
+                                        break;
+                                }
+                        }
+                }
+        }
+        fclose(queue_file);
+
+        return udev_list_get_entry(&udev_queue->queue_list);
 }
 
 struct udev_list_entry *udev_queue_get_failed_list_entry(struct udev_queue *udev_queue);
 UDEV_EXPORT struct udev_list_entry *udev_queue_get_failed_list_entry(struct udev_queue *udev_queue)
 {
-	errno = ENOSYS;
-	return NULL;
+        errno = ENOSYS;
+        return NULL;
 }
diff --git a/src/libudev-selinux-private.c b/src/libudev-selinux-private.c
index cb06a280..0f2a617b 100644
--- a/src/libudev-selinux-private.c
+++ b/src/libudev-selinux-private.c
@@ -24,86 +24,86 @@ security_context_t selinux_prev_scontext;
 
 void udev_selinux_init(struct udev *udev)
 {
-	/* record the present security context */
-	selinux_enabled = (is_selinux_enabled() > 0);
-	info(udev, "selinux=%i\n", selinux_enabled);
-	if (!selinux_enabled)
-		return;
-	matchpathcon_init_prefix(NULL, udev_get_dev_path(udev));
-	if (getfscreatecon(&selinux_prev_scontext) < 0) {
-		err(udev, "getfscreatecon failed\n");
-		selinux_prev_scontext = NULL;
-	}
+        /* record the present security context */
+        selinux_enabled = (is_selinux_enabled() > 0);
+        info(udev, "selinux=%i\n", selinux_enabled);
+        if (!selinux_enabled)
+                return;
+        matchpathcon_init_prefix(NULL, udev_get_dev_path(udev));
+        if (getfscreatecon(&selinux_prev_scontext) < 0) {
+                err(udev, "getfscreatecon failed\n");
+                selinux_prev_scontext = NULL;
+        }
 }
 
 void udev_selinux_exit(struct udev *udev)
 {
-	if (!selinux_enabled)
-		return;
-	freecon(selinux_prev_scontext);
-	selinux_prev_scontext = NULL;
+        if (!selinux_enabled)
+                return;
+        freecon(selinux_prev_scontext);
+        selinux_prev_scontext = NULL;
 }
 
 void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode)
 {
-	security_context_t scontext = NULL;
-
-	if (!selinux_enabled)
-		return;
-	if (matchpathcon(file, mode, &scontext) < 0) {
-		err(udev, "matchpathcon(%s) failed\n", file);
-		return;
-	}
-	if (lsetfilecon(file, scontext) < 0)
-		err(udev, "setfilecon %s failed: %m\n", file);
-	freecon(scontext);
+        security_context_t scontext = NULL;
+
+        if (!selinux_enabled)
+                return;
+        if (matchpathcon(file, mode, &scontext) < 0) {
+                err(udev, "matchpathcon(%s) failed\n", file);
+                return;
+        }
+        if (lsetfilecon(file, scontext) < 0)
+                err(udev, "setfilecon %s failed: %m\n", file);
+        freecon(scontext);
 }
 
 void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode)
 {
-	security_context_t scontext = NULL;
-
-	if (!selinux_enabled)
-		return;
-
-	if (matchpathcon(file, mode, &scontext) < 0) {
-		err(udev, "matchpathcon(%s) failed\n", file);
-		return;
-	}
-	if (setfscreatecon(scontext) < 0)
-		err(udev, "setfscreatecon %s failed: %m\n", file);
-	freecon(scontext);
+        security_context_t scontext = NULL;
+
+        if (!selinux_enabled)
+                return;
+
+        if (matchpathcon(file, mode, &scontext) < 0) {
+                err(udev, "matchpathcon(%s) failed\n", file);
+                return;
+        }
+        if (setfscreatecon(scontext) < 0)
+                err(udev, "setfscreatecon %s failed: %m\n", file);
+        freecon(scontext);
 }
 
 void udev_selinux_resetfscreatecon(struct udev *udev)
 {
-	if (!selinux_enabled)
-		return;
-	if (setfscreatecon(selinux_prev_scontext) < 0)
-		err(udev, "setfscreatecon failed: %m\n");
+        if (!selinux_enabled)
+                return;
+        if (setfscreatecon(selinux_prev_scontext) < 0)
+                err(udev, "setfscreatecon failed: %m\n");
 }
 
 void udev_selinux_setfscreateconat(struct udev *udev, int dfd, const char *file, unsigned int mode)
 {
-	char filename[UTIL_PATH_SIZE];
-
-	if (!selinux_enabled)
-		return;
-
-	/* resolve relative filename */
-	if (file[0] != '/') {
-		char procfd[UTIL_PATH_SIZE];
-		char target[UTIL_PATH_SIZE];
-		ssize_t len;
-
-		snprintf(procfd, sizeof(procfd), "/proc/%u/fd/%u", getpid(), dfd);
-		len = readlink(procfd, target, sizeof(target));
-		if (len <= 0 || len == sizeof(target))
-			return;
-		target[len] = '\0';
-
-		util_strscpyl(filename, sizeof(filename), target, "/", file, NULL);
-		file = filename;
-	}
-	udev_selinux_setfscreatecon(udev, file, mode);
+        char filename[UTIL_PATH_SIZE];
+
+        if (!selinux_enabled)
+                return;
+
+        /* resolve relative filename */
+        if (file[0] != '/') {
+                char procfd[UTIL_PATH_SIZE];
+                char target[UTIL_PATH_SIZE];
+                ssize_t len;
+
+                snprintf(procfd, sizeof(procfd), "/proc/%u/fd/%u", getpid(), dfd);
+                len = readlink(procfd, target, sizeof(target));
+                if (len <= 0 || len == sizeof(target))
+                        return;
+                target[len] = '\0';
+
+                util_strscpyl(filename, sizeof(filename), target, "/", file, NULL);
+                file = filename;
+        }
+        udev_selinux_setfscreatecon(udev, file, mode);
 }
diff --git a/src/libudev-util-private.c b/src/libudev-util-private.c
index 015e6d58..08f0ba22 100644
--- a/src/libudev-util-private.c
+++ b/src/libudev-util-private.c
@@ -26,217 +26,217 @@
 
 static int create_path(struct udev *udev, const char *path, bool selinux)
 {
-	char p[UTIL_PATH_SIZE];
-	char *pos;
-	struct stat stats;
-	int err;
-
-	util_strscpy(p, sizeof(p), path);
-	pos = strrchr(p, '/');
-	if (pos == NULL)
-		return 0;
-	while (pos != p && pos[-1] == '/')
-		pos--;
-	if (pos == p)
-		return 0;
-	pos[0] = '\0';
-
-	dbg(udev, "stat '%s'\n", p);
-	if (stat(p, &stats) == 0) {
-		if ((stats.st_mode & S_IFMT) == S_IFDIR)
-			return 0;
-		else
-			return -ENOTDIR;
-	}
-
-	err = util_create_path(udev, p);
-	if (err != 0)
-		return err;
-
-	dbg(udev, "mkdir '%s'\n", p);
-	if (selinux)
-		udev_selinux_setfscreatecon(udev, p, S_IFDIR|0755);
-	err = mkdir(p, 0755);
-	if (err != 0) {
-		err = -errno;
-		if (err == -EEXIST && stat(p, &stats) == 0) {
-			if ((stats.st_mode & S_IFMT) == S_IFDIR)
-				err = 0;
-			else
-				err = -ENOTDIR;
-		}
-	}
-	if (selinux)
-		udev_selinux_resetfscreatecon(udev);
-	return err;
+        char p[UTIL_PATH_SIZE];
+        char *pos;
+        struct stat stats;
+        int err;
+
+        util_strscpy(p, sizeof(p), path);
+        pos = strrchr(p, '/');
+        if (pos == NULL)
+                return 0;
+        while (pos != p && pos[-1] == '/')
+                pos--;
+        if (pos == p)
+                return 0;
+        pos[0] = '\0';
+
+        dbg(udev, "stat '%s'\n", p);
+        if (stat(p, &stats) == 0) {
+                if ((stats.st_mode & S_IFMT) == S_IFDIR)
+                        return 0;
+                else
+                        return -ENOTDIR;
+        }
+
+        err = util_create_path(udev, p);
+        if (err != 0)
+                return err;
+
+        dbg(udev, "mkdir '%s'\n", p);
+        if (selinux)
+                udev_selinux_setfscreatecon(udev, p, S_IFDIR|0755);
+        err = mkdir(p, 0755);
+        if (err != 0) {
+                err = -errno;
+                if (err == -EEXIST && stat(p, &stats) == 0) {
+                        if ((stats.st_mode & S_IFMT) == S_IFDIR)
+                                err = 0;
+                        else
+                                err = -ENOTDIR;
+                }
+        }
+        if (selinux)
+                udev_selinux_resetfscreatecon(udev);
+        return err;
 }
 
 int util_create_path(struct udev *udev, const char *path)
 {
-	return create_path(udev, path, false);
+        return create_path(udev, path, false);
 }
 
 int util_create_path_selinux(struct udev *udev, const char *path)
 {
-	return create_path(udev, path, true);
+        return create_path(udev, path, true);
 }
 
 int util_delete_path(struct udev *udev, const char *path)
 {
-	char p[UTIL_PATH_SIZE];
-	char *pos;
-	int err = 0;
-
-	if (path[0] == '/')
-		while(path[1] == '/')
-			path++;
-	util_strscpy(p, sizeof(p), path);
-	pos = strrchr(p, '/');
-	if (pos == p || pos == NULL)
-		return 0;
-
-	for (;;) {
-		*pos = '\0';
-		pos = strrchr(p, '/');
-
-		/* don't remove the last one */
-		if ((pos == p) || (pos == NULL))
-			break;
-
-		err = rmdir(p);
-		if (err < 0) {
-			if (errno == ENOENT)
-				err = 0;
-			break;
-		}
-	}
-	return err;
+        char p[UTIL_PATH_SIZE];
+        char *pos;
+        int err = 0;
+
+        if (path[0] == '/')
+                while(path[1] == '/')
+                        path++;
+        util_strscpy(p, sizeof(p), path);
+        pos = strrchr(p, '/');
+        if (pos == p || pos == NULL)
+                return 0;
+
+        for (;;) {
+                *pos = '\0';
+                pos = strrchr(p, '/');
+
+                /* don't remove the last one */
+                if ((pos == p) || (pos == NULL))
+                        break;
+
+                err = rmdir(p);
+                if (err < 0) {
+                        if (errno == ENOENT)
+                                err = 0;
+                        break;
+                }
+        }
+        return err;
 }
 
 uid_t util_lookup_user(struct udev *udev, const char *user)
 {
-	char *endptr;
-	size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
-	char buf[buflen];
-	struct passwd pwbuf;
-	struct passwd *pw;
-	uid_t uid;
-
-	if (strcmp(user, "root") == 0)
-		return 0;
-	uid = strtoul(user, &endptr, 10);
-	if (endptr[0] == '\0')
-		return uid;
-
-	errno = getpwnam_r(user, &pwbuf, buf, buflen, &pw);
-	if (pw != NULL)
-		return pw->pw_uid;
-	if (errno == 0 || errno == ENOENT || errno == ESRCH)
-		err(udev, "specified user '%s' unknown\n", user);
-	else
-		err(udev, "error resolving user '%s': %m\n", user);
-	return 0;
+        char *endptr;
+        size_t buflen = sysconf(_SC_GETPW_R_SIZE_MAX);
+        char buf[buflen];
+        struct passwd pwbuf;
+        struct passwd *pw;
+        uid_t uid;
+
+        if (strcmp(user, "root") == 0)
+                return 0;
+        uid = strtoul(user, &endptr, 10);
+        if (endptr[0] == '\0')
+                return uid;
+
+        errno = getpwnam_r(user, &pwbuf, buf, buflen, &pw);
+        if (pw != NULL)
+                return pw->pw_uid;
+        if (errno == 0 || errno == ENOENT || errno == ESRCH)
+                err(udev, "specified user '%s' unknown\n", user);
+        else
+                err(udev, "error resolving user '%s': %m\n", user);
+        return 0;
 }
 
 gid_t util_lookup_group(struct udev *udev, const char *group)
 {
-	char *endptr;
-	size_t buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
-	char *buf;
-	struct group grbuf;
-	struct group *gr;
-	gid_t gid = 0;
-
-	if (strcmp(group, "root") == 0)
-		return 0;
-	gid = strtoul(group, &endptr, 10);
-	if (endptr[0] == '\0')
-		return gid;
-	buf = NULL;
-	gid = 0;
-	for (;;) {
-		char *newbuf;
-
-		newbuf = realloc(buf, buflen);
-		if (!newbuf)
-			break;
-		buf = newbuf;
-		errno = getgrnam_r(group, &grbuf, buf, buflen, &gr);
-		if (gr != NULL) {
-			gid = gr->gr_gid;
-		} else if (errno == ERANGE) {
-			buflen *= 2;
-			continue;
-		} else if (errno == 0 || errno == ENOENT || errno == ESRCH) {
-			err(udev, "specified group '%s' unknown\n", group);
-		} else {
-			err(udev, "error resolving group '%s': %m\n", group);
-		}
-		break;
-	}
-	free(buf);
-	return gid;
+        char *endptr;
+        size_t buflen = sysconf(_SC_GETGR_R_SIZE_MAX);
+        char *buf;
+        struct group grbuf;
+        struct group *gr;
+        gid_t gid = 0;
+
+        if (strcmp(group, "root") == 0)
+                return 0;
+        gid = strtoul(group, &endptr, 10);
+        if (endptr[0] == '\0')
+                return gid;
+        buf = NULL;
+        gid = 0;
+        for (;;) {
+                char *newbuf;
+
+                newbuf = realloc(buf, buflen);
+                if (!newbuf)
+                        break;
+                buf = newbuf;
+                errno = getgrnam_r(group, &grbuf, buf, buflen, &gr);
+                if (gr != NULL) {
+                        gid = gr->gr_gid;
+                } else if (errno == ERANGE) {
+                        buflen *= 2;
+                        continue;
+                } else if (errno == 0 || errno == ENOENT || errno == ESRCH) {
+                        err(udev, "specified group '%s' unknown\n", group);
+                } else {
+                        err(udev, "error resolving group '%s': %m\n", group);
+                }
+                break;
+        }
+        free(buf);
+        return gid;
 }
 
 /* handle "[<SUBSYSTEM>/<KERNEL>]<attribute>" format */
 int util_resolve_subsys_kernel(struct udev *udev, const char *string,
-			       char *result, size_t maxsize, int read_value)
+                               char *result, size_t maxsize, int read_value)
 {
-	char temp[UTIL_PATH_SIZE];
-	char *subsys;
-	char *sysname;
-	struct udev_device *dev;
-	char *attr;
-
-	if (string[0] != '[')
-		return -1;
-
-	util_strscpy(temp, sizeof(temp), string);
-
-	subsys = &temp[1];
-
-	sysname = strchr(subsys, '/');
-	if (sysname == NULL)
-		return -1;
-	sysname[0] = '\0';
-	sysname = &sysname[1];
-
-	attr = strchr(sysname, ']');
-	if (attr == NULL)
-		return -1;
-	attr[0] = '\0';
-	attr = &attr[1];
-	if (attr[0] == '/')
-		attr = &attr[1];
-	if (attr[0] == '\0')
-		attr = NULL;
-
-	if (read_value && attr == NULL)
-		return -1;
-
-	dev = udev_device_new_from_subsystem_sysname(udev, subsys, sysname);
-	if (dev == NULL)
-		return -1;
-
-	if (read_value) {
-		const char *val;
-
-		val = udev_device_get_sysattr_value(dev, attr);
-		if (val != NULL)
-			util_strscpy(result, maxsize, val);
-		else
-			result[0] = '\0';
-		info(udev, "value '[%s/%s]%s' is '%s'\n", subsys, sysname, attr, result);
-	} else {
-		size_t l;
-		char *s;
-
-		s = result;
-		l = util_strpcpyl(&s, maxsize, udev_device_get_syspath(dev), NULL);
-		if (attr != NULL)
-			util_strpcpyl(&s, l, "/", attr, NULL);
-		info(udev, "path '[%s/%s]%s' is '%s'\n", subsys, sysname, attr, result);
-	}
-	udev_device_unref(dev);
-	return 0;
+        char temp[UTIL_PATH_SIZE];
+        char *subsys;
+        char *sysname;
+        struct udev_device *dev;
+        char *attr;
+
+        if (string[0] != '[')
+                return -1;
+
+        util_strscpy(temp, sizeof(temp), string);
+
+        subsys = &temp[1];
+
+        sysname = strchr(subsys, '/');
+        if (sysname == NULL)
+                return -1;
+        sysname[0] = '\0';
+        sysname = &sysname[1];
+
+        attr = strchr(sysname, ']');
+        if (attr == NULL)
+                return -1;
+        attr[0] = '\0';
+        attr = &attr[1];
+        if (attr[0] == '/')
+                attr = &attr[1];
+        if (attr[0] == '\0')
+                attr = NULL;
+
+        if (read_value && attr == NULL)
+                return -1;
+
+        dev = udev_device_new_from_subsystem_sysname(udev, subsys, sysname);
+        if (dev == NULL)
+                return -1;
+
+        if (read_value) {
+                const char *val;
+
+                val = udev_device_get_sysattr_value(dev, attr);
+                if (val != NULL)
+                        util_strscpy(result, maxsize, val);
+                else
+                        result[0] = '\0';
+                info(udev, "value '[%s/%s]%s' is '%s'\n", subsys, sysname, attr, result);
+        } else {
+                size_t l;
+                char *s;
+
+                s = result;
+                l = util_strpcpyl(&s, maxsize, udev_device_get_syspath(dev), NULL);
+                if (attr != NULL)
+                        util_strpcpyl(&s, l, "/", attr, NULL);
+                info(udev, "path '[%s/%s]%s' is '%s'\n", subsys, sysname, attr, result);
+        }
+        udev_device_unref(dev);
+        return 0;
 }
diff --git a/src/libudev-util.c b/src/libudev-util.c
index 559aa06d..a795329f 100644
--- a/src/libudev-util.c
+++ b/src/libudev-util.c
@@ -31,131 +31,131 @@
 
 ssize_t util_get_sys_core_link_value(struct udev *udev, const char *slink, const char *syspath, char *value, size_t size)
 {
-	char path[UTIL_PATH_SIZE];
-	char target[UTIL_PATH_SIZE];
-	ssize_t len;
-	const char *pos;
-
-	util_strscpyl(path, sizeof(path), syspath, "/", slink, NULL);
-	len = readlink(path, target, sizeof(target));
-	if (len <= 0 || len == (ssize_t)sizeof(target))
-		return -1;
-	target[len] = '\0';
-	pos = strrchr(target, '/');
-	if (pos == NULL)
-		return -1;
-	pos = &pos[1];
-	dbg(udev, "resolved link to: '%s'\n", pos);
-	return util_strscpy(value, size, pos);
+        char path[UTIL_PATH_SIZE];
+        char target[UTIL_PATH_SIZE];
+        ssize_t len;
+        const char *pos;
+
+        util_strscpyl(path, sizeof(path), syspath, "/", slink, NULL);
+        len = readlink(path, target, sizeof(target));
+        if (len <= 0 || len == (ssize_t)sizeof(target))
+                return -1;
+        target[len] = '\0';
+        pos = strrchr(target, '/');
+        if (pos == NULL)
+                return -1;
+        pos = &pos[1];
+        dbg(udev, "resolved link to: '%s'\n", pos);
+        return util_strscpy(value, size, pos);
 }
 
 int util_resolve_sys_link(struct udev *udev, char *syspath, size_t size)
 {
-	char link_target[UTIL_PATH_SIZE];
-
-	ssize_t len;
-	int i;
-	int back;
-	char *base;
-
-	len = readlink(syspath, link_target, sizeof(link_target));
-	if (len <= 0 || len == (ssize_t)sizeof(link_target))
-		return -1;
-	link_target[len] = '\0';
-	dbg(udev, "path link '%s' points to '%s'\n", syspath, link_target);
-
-	for (back = 0; strncmp(&link_target[back * 3], "../", 3) == 0; back++)
-		;
-	dbg(udev, "base '%s', tail '%s', back %i\n", syspath, &link_target[back * 3], back);
-	for (i = 0; i <= back; i++) {
-		base = strrchr(syspath, '/');
-		if (base == NULL)
-			return -1;
-		base[0] = '\0';
-	}
-	dbg(udev, "after moving back '%s'\n", syspath);
-	util_strscpyl(base, size - (base - syspath), "/", &link_target[back * 3], NULL);
-	return 0;
+        char link_target[UTIL_PATH_SIZE];
+
+        ssize_t len;
+        int i;
+        int back;
+        char *base;
+
+        len = readlink(syspath, link_target, sizeof(link_target));
+        if (len <= 0 || len == (ssize_t)sizeof(link_target))
+                return -1;
+        link_target[len] = '\0';
+        dbg(udev, "path link '%s' points to '%s'\n", syspath, link_target);
+
+        for (back = 0; strncmp(&link_target[back * 3], "../", 3) == 0; back++)
+                ;
+        dbg(udev, "base '%s', tail '%s', back %i\n", syspath, &link_target[back * 3], back);
+        for (i = 0; i <= back; i++) {
+                base = strrchr(syspath, '/');
+                if (base == NULL)
+                        return -1;
+                base[0] = '\0';
+        }
+        dbg(udev, "after moving back '%s'\n", syspath);
+        util_strscpyl(base, size - (base - syspath), "/", &link_target[back * 3], NULL);
+        return 0;
 }
 
 int util_log_priority(const char *priority)
 {
-	char *endptr;
-	int prio;
-
-	prio = strtol(priority, &endptr, 10);
-	if (endptr[0] == '\0' || isspace(endptr[0]))
-		return prio;
-	if (strncmp(priority, "err", 3) == 0)
-		return LOG_ERR;
-	if (strncmp(priority, "info", 4) == 0)
-		return LOG_INFO;
-	if (strncmp(priority, "debug", 5) == 0)
-		return LOG_DEBUG;
-	return 0;
+        char *endptr;
+        int prio;
+
+        prio = strtol(priority, &endptr, 10);
+        if (endptr[0] == '\0' || isspace(endptr[0]))
+                return prio;
+        if (strncmp(priority, "err", 3) == 0)
+                return LOG_ERR;
+        if (strncmp(priority, "info", 4) == 0)
+                return LOG_INFO;
+        if (strncmp(priority, "debug", 5) == 0)
+                return LOG_DEBUG;
+        return 0;
 }
 
 size_t util_path_encode(const char *src, char *dest, size_t size)
 {
-	size_t i, j;
-
-	for (i = 0, j = 0; src[i] != '\0'; i++) {
-		if (src[i] == '/') {
-			if (j+4 >= size) {
-				j = 0;
-				break;
-			}
-			memcpy(&dest[j], "\\x2f", 4);
-			j += 4;
-		} else if (src[i] == '\\') {
-			if (j+4 >= size) {
-				j = 0;
-				break;
-			}
-			memcpy(&dest[j], "\\x5c", 4);
-			j += 4;
-		} else {
-			if (j+1 >= size) {
-				j = 0;
-				break;
-			}
-			dest[j] = src[i];
-			j++;
-		}
-	}
-	dest[j] = '\0';
-	return j;
+        size_t i, j;
+
+        for (i = 0, j = 0; src[i] != '\0'; i++) {
+                if (src[i] == '/') {
+                        if (j+4 >= size) {
+                                j = 0;
+                                break;
+                        }
+                        memcpy(&dest[j], "\\x2f", 4);
+                        j += 4;
+                } else if (src[i] == '\\') {
+                        if (j+4 >= size) {
+                                j = 0;
+                                break;
+                        }
+                        memcpy(&dest[j], "\\x5c", 4);
+                        j += 4;
+                } else {
+                        if (j+1 >= size) {
+                                j = 0;
+                                break;
+                        }
+                        dest[j] = src[i];
+                        j++;
+                }
+        }
+        dest[j] = '\0';
+        return j;
 }
 
 size_t util_path_decode(char *s)
 {
-	size_t i, j;
-
-	for (i = 0, j = 0; s[i] != '\0'; j++) {
-		if (memcmp(&s[i], "\\x2f", 4) == 0) {
-			s[j] = '/';
-			i += 4;
-		} else if (memcmp(&s[i], "\\x5c", 4) == 0) {
-			s[j] = '\\';
-			i += 4;
-		} else {
-			s[j] = s[i];
-			i++;
-		}
-	}
-	s[j] = '\0';
-	return j;
+        size_t i, j;
+
+        for (i = 0, j = 0; s[i] != '\0'; j++) {
+                if (memcmp(&s[i], "\\x2f", 4) == 0) {
+                        s[j] = '/';
+                        i += 4;
+                } else if (memcmp(&s[i], "\\x5c", 4) == 0) {
+                        s[j] = '\\';
+                        i += 4;
+                } else {
+                        s[j] = s[i];
+                        i++;
+                }
+        }
+        s[j] = '\0';
+        return j;
 }
 
 void util_remove_trailing_chars(char *path, char c)
 {
-	size_t len;
+        size_t len;
 
-	if (path == NULL)
-		return;
-	len = strlen(path);
-	while (len > 0 && path[len-1] == c)
-		path[--len] = '\0';
+        if (path == NULL)
+                return;
+        len = strlen(path);
+        while (len > 0 && path[len-1] == c)
+                path[--len] = '\0';
 }
 
 /*
@@ -165,268 +165,268 @@ void util_remove_trailing_chars(char *path, char c)
  */
 size_t util_strpcpy(char **dest, size_t size, const char *src)
 {
-	size_t len;
-
-	len = strlen(src);
-	if (len >= size) {
-		if (size > 1)
-			*dest = mempcpy(*dest, src, size-1);
-		size = 0;
-		*dest[0] = '\0';
-	} else {
-		if (len > 0) {
-			*dest = mempcpy(*dest, src, len);
-			size -= len;
-		}
-		*dest[0] = '\0';
-	}
-	return size;
+        size_t len;
+
+        len = strlen(src);
+        if (len >= size) {
+                if (size > 1)
+                        *dest = mempcpy(*dest, src, size-1);
+                size = 0;
+                *dest[0] = '\0';
+        } else {
+                if (len > 0) {
+                        *dest = mempcpy(*dest, src, len);
+                        size -= len;
+                }
+                *dest[0] = '\0';
+        }
+        return size;
 }
 
 /* concatenates list of strings, moves dest forward */
 size_t util_strpcpyl(char **dest, size_t size, const char *src, ...)
 {
-	va_list va;
+        va_list va;
 
-	va_start(va, src);
-	do {
-		size = util_strpcpy(dest, size, src);
-		src = va_arg(va, char *);
-	} while (src != NULL);
-	va_end(va);
+        va_start(va, src);
+        do {
+                size = util_strpcpy(dest, size, src);
+                src = va_arg(va, char *);
+        } while (src != NULL);
+        va_end(va);
 
-	return size;
+        return size;
 }
 
 /* copies string */
 size_t util_strscpy(char *dest, size_t size, const char *src)
 {
-	char *s;
+        char *s;
 
-	s = dest;
-	return util_strpcpy(&s, size, src);
+        s = dest;
+        return util_strpcpy(&s, size, src);
 }
 
 /* concatenates list of strings */
 size_t util_strscpyl(char *dest, size_t size, const char *src, ...)
 {
-	va_list va;
-	char *s;
-
-	va_start(va, src);
-	s = dest;
-	do {
-		size = util_strpcpy(&s, size, src);
-		src = va_arg(va, char *);
-	} while (src != NULL);
-	va_end(va);
-
-	return size;
+        va_list va;
+        char *s;
+
+        va_start(va, src);
+        s = dest;
+        do {
+                size = util_strpcpy(&s, size, src);
+                src = va_arg(va, char *);
+        } while (src != NULL);
+        va_end(va);
+
+        return size;
 }
 
 /* count of characters used to encode one unicode char */
 static int utf8_encoded_expected_len(const char *str)
 {
-	unsigned char c = (unsigned char)str[0];
-
-	if (c < 0x80)
-		return 1;
-	if ((c & 0xe0) == 0xc0)
-		return 2;
-	if ((c & 0xf0) == 0xe0)
-		return 3;
-	if ((c & 0xf8) == 0xf0)
-		return 4;
-	if ((c & 0xfc) == 0xf8)
-		return 5;
-	if ((c & 0xfe) == 0xfc)
-		return 6;
-	return 0;
+        unsigned char c = (unsigned char)str[0];
+
+        if (c < 0x80)
+                return 1;
+        if ((c & 0xe0) == 0xc0)
+                return 2;
+        if ((c & 0xf0) == 0xe0)
+                return 3;
+        if ((c & 0xf8) == 0xf0)
+                return 4;
+        if ((c & 0xfc) == 0xf8)
+                return 5;
+        if ((c & 0xfe) == 0xfc)
+                return 6;
+        return 0;
 }
 
 /* decode one unicode char */
 static int utf8_encoded_to_unichar(const char *str)
 {
-	int unichar;
-	int len;
-	int i;
-
-	len = utf8_encoded_expected_len(str);
-	switch (len) {
-	case 1:
-		return (int)str[0];
-	case 2:
-		unichar = str[0] & 0x1f;
-		break;
-	case 3:
-		unichar = (int)str[0] & 0x0f;
-		break;
-	case 4:
-		unichar = (int)str[0] & 0x07;
-		break;
-	case 5:
-		unichar = (int)str[0] & 0x03;
-		break;
-	case 6:
-		unichar = (int)str[0] & 0x01;
-		break;
-	default:
-		return -1;
-	}
-
-	for (i = 1; i < len; i++) {
-		if (((int)str[i] & 0xc0) != 0x80)
-			return -1;
-		unichar <<= 6;
-		unichar |= (int)str[i] & 0x3f;
-	}
-
-	return unichar;
+        int unichar;
+        int len;
+        int i;
+
+        len = utf8_encoded_expected_len(str);
+        switch (len) {
+        case 1:
+                return (int)str[0];
+        case 2:
+                unichar = str[0] & 0x1f;
+                break;
+        case 3:
+                unichar = (int)str[0] & 0x0f;
+                break;
+        case 4:
+                unichar = (int)str[0] & 0x07;
+                break;
+        case 5:
+                unichar = (int)str[0] & 0x03;
+                break;
+        case 6:
+                unichar = (int)str[0] & 0x01;
+                break;
+        default:
+                return -1;
+        }
+
+        for (i = 1; i < len; i++) {
+                if (((int)str[i] & 0xc0) != 0x80)
+                        return -1;
+                unichar <<= 6;
+                unichar |= (int)str[i] & 0x3f;
+        }
+
+        return unichar;
 }
 
 /* expected size used to encode one unicode char */
 static int utf8_unichar_to_encoded_len(int unichar)
 {
-	if (unichar < 0x80)
-		return 1;
-	if (unichar < 0x800)
-		return 2;
-	if (unichar < 0x10000)
-		return 3;
-	if (unichar < 0x200000)
-		return 4;
-	if (unichar < 0x4000000)
-		return 5;
-	return 6;
+        if (unichar < 0x80)
+                return 1;
+        if (unichar < 0x800)
+                return 2;
+        if (unichar < 0x10000)
+                return 3;
+        if (unichar < 0x200000)
+                return 4;
+        if (unichar < 0x4000000)
+                return 5;
+        return 6;
 }
 
 /* check if unicode char has a valid numeric range */
 static int utf8_unichar_valid_range(int unichar)
 {
-	if (unichar > 0x10ffff)
-		return 0;
-	if ((unichar & 0xfffff800) == 0xd800)
-		return 0;
-	if ((unichar > 0xfdcf) && (unichar < 0xfdf0))
-		return 0;
-	if ((unichar & 0xffff) == 0xffff)
-		return 0;
-	return 1;
+        if (unichar > 0x10ffff)
+                return 0;
+        if ((unichar & 0xfffff800) == 0xd800)
+                return 0;
+        if ((unichar > 0xfdcf) && (unichar < 0xfdf0))
+                return 0;
+        if ((unichar & 0xffff) == 0xffff)
+                return 0;
+        return 1;
 }
 
 /* validate one encoded unicode char and return its length */
 static int utf8_encoded_valid_unichar(const char *str)
 {
-	int len;
-	int unichar;
-	int i;
+        int len;
+        int unichar;
+        int i;
 
-	len = utf8_encoded_expected_len(str);
-	if (len == 0)
-		return -1;
+        len = utf8_encoded_expected_len(str);
+        if (len == 0)
+                return -1;
 
-	/* ascii is valid */
-	if (len == 1)
-		return 1;
+        /* ascii is valid */
+        if (len == 1)
+                return 1;
 
-	/* check if expected encoded chars are available */
-	for (i = 0; i < len; i++)
-		if ((str[i] & 0x80) != 0x80)
-			return -1;
+        /* check if expected encoded chars are available */
+        for (i = 0; i < len; i++)
+                if ((str[i] & 0x80) != 0x80)
+                        return -1;
 
-	unichar = utf8_encoded_to_unichar(str);
+        unichar = utf8_encoded_to_unichar(str);
 
-	/* check if encoded length matches encoded value */
-	if (utf8_unichar_to_encoded_len(unichar) != len)
-		return -1;
+        /* check if encoded length matches encoded value */
+        if (utf8_unichar_to_encoded_len(unichar) != len)
+                return -1;
 
-	/* check if value has valid range */
-	if (!utf8_unichar_valid_range(unichar))
-		return -1;
+        /* check if value has valid range */
+        if (!utf8_unichar_valid_range(unichar))
+                return -1;
 
-	return len;
+        return len;
 }
 
 int util_replace_whitespace(const char *str, char *to, size_t len)
 {
-	size_t i, j;
-
-	/* strip trailing whitespace */
-	len = strnlen(str, len);
-	while (len && isspace(str[len-1]))
-		len--;
-
-	/* strip leading whitespace */
-	i = 0;
-	while (isspace(str[i]) && (i < len))
-		i++;
-
-	j = 0;
-	while (i < len) {
-		/* substitute multiple whitespace with a single '_' */
-		if (isspace(str[i])) {
-			while (isspace(str[i]))
-				i++;
-			to[j++] = '_';
-		}
-		to[j++] = str[i++];
-	}
-	to[j] = '\0';
-	return 0;
+        size_t i, j;
+
+        /* strip trailing whitespace */
+        len = strnlen(str, len);
+        while (len && isspace(str[len-1]))
+                len--;
+
+        /* strip leading whitespace */
+        i = 0;
+        while (isspace(str[i]) && (i < len))
+                i++;
+
+        j = 0;
+        while (i < len) {
+                /* substitute multiple whitespace with a single '_' */
+                if (isspace(str[i])) {
+                        while (isspace(str[i]))
+                                i++;
+                        to[j++] = '_';
+                }
+                to[j++] = str[i++];
+        }
+        to[j] = '\0';
+        return 0;
 }
 
 static int is_whitelisted(char c, const char *white)
 {
-	if ((c >= '0' && c <= '9') ||
-	    (c >= 'A' && c <= 'Z') ||
-	    (c >= 'a' && c <= 'z') ||
-	    strchr("#+-.:=@_", c) != NULL ||
-	    (white != NULL && strchr(white, c) != NULL))
-		return 1;
-	return 0;
+        if ((c >= '0' && c <= '9') ||
+            (c >= 'A' && c <= 'Z') ||
+            (c >= 'a' && c <= 'z') ||
+            strchr("#+-.:=@_", c) != NULL ||
+            (white != NULL && strchr(white, c) != NULL))
+                return 1;
+        return 0;
 }
 
 /* allow chars in whitelist, plain ascii, hex-escaping and valid utf8 */
 int util_replace_chars(char *str, const char *white)
 {
-	size_t i = 0;
-	int replaced = 0;
-
-	while (str[i] != '\0') {
-		int len;
-
-		if (is_whitelisted(str[i], white)) {
-			i++;
-			continue;
-		}
-
-		/* accept hex encoding */
-		if (str[i] == '\\' && str[i+1] == 'x') {
-			i += 2;
-			continue;
-		}
-
-		/* accept valid utf8 */
-		len = utf8_encoded_valid_unichar(&str[i]);
-		if (len > 1) {
-			i += len;
-			continue;
-		}
-
-		/* if space is allowed, replace whitespace with ordinary space */
-		if (isspace(str[i]) && white != NULL && strchr(white, ' ') != NULL) {
-			str[i] = ' ';
-			i++;
-			replaced++;
-			continue;
-		}
-
-		/* everything else is replaced with '_' */
-		str[i] = '_';
-		i++;
-		replaced++;
-	}
-	return replaced;
+        size_t i = 0;
+        int replaced = 0;
+
+        while (str[i] != '\0') {
+                int len;
+
+                if (is_whitelisted(str[i], white)) {
+                        i++;
+                        continue;
+                }
+
+                /* accept hex encoding */
+                if (str[i] == '\\' && str[i+1] == 'x') {
+                        i += 2;
+                        continue;
+                }
+
+                /* accept valid utf8 */
+                len = utf8_encoded_valid_unichar(&str[i]);
+                if (len > 1) {
+                        i += len;
+                        continue;
+                }
+
+                /* if space is allowed, replace whitespace with ordinary space */
+                if (isspace(str[i]) && white != NULL && strchr(white, ' ') != NULL) {
+                        str[i] = ' ';
+                        i++;
+                        replaced++;
+                        continue;
+                }
+
+                /* everything else is replaced with '_' */
+                str[i] = '_';
+                i++;
+                replaced++;
+        }
+        return replaced;
 }
 
 /**
@@ -443,39 +443,39 @@ int util_replace_chars(char *str, const char *white)
  **/
 UDEV_EXPORT int udev_util_encode_string(const char *str, char *str_enc, size_t len)
 {
-	size_t i, j;
-
-	if (str == NULL || str_enc == NULL)
-		return -1;
-
-	for (i = 0, j = 0; str[i] != '\0'; i++) {
-		int seqlen;
-
-		seqlen = utf8_encoded_valid_unichar(&str[i]);
-		if (seqlen > 1) {
-			if (len-j < (size_t)seqlen)
-				goto err;
-			memcpy(&str_enc[j], &str[i], seqlen);
-			j += seqlen;
-			i += (seqlen-1);
-		} else if (str[i] == '\\' || !is_whitelisted(str[i], NULL)) {
-			if (len-j < 4)
-				goto err;
-			sprintf(&str_enc[j], "\\x%02x", (unsigned char) str[i]);
-			j += 4;
-		} else {
-			if (len-j < 1)
-				goto err;
-			str_enc[j] = str[i];
-			j++;
-		}
-	}
-	if (len-j < 1)
-		goto err;
-	str_enc[j] = '\0';
-	return 0;
+        size_t i, j;
+
+        if (str == NULL || str_enc == NULL)
+                return -1;
+
+        for (i = 0, j = 0; str[i] != '\0'; i++) {
+                int seqlen;
+
+                seqlen = utf8_encoded_valid_unichar(&str[i]);
+                if (seqlen > 1) {
+                        if (len-j < (size_t)seqlen)
+                                goto err;
+                        memcpy(&str_enc[j], &str[i], seqlen);
+                        j += seqlen;
+                        i += (seqlen-1);
+                } else if (str[i] == '\\' || !is_whitelisted(str[i], NULL)) {
+                        if (len-j < 4)
+                                goto err;
+                        sprintf(&str_enc[j], "\\x%02x", (unsigned char) str[i]);
+                        j += 4;
+                } else {
+                        if (len-j < 1)
+                                goto err;
+                        str_enc[j] = str[i];
+                        j++;
+                }
+        }
+        if (len-j < 1)
+                goto err;
+        str_enc[j] = '\0';
+        return 0;
 err:
-	return -1;
+        return -1;
 }
 
 /*
@@ -487,82 +487,82 @@ err:
  */
 static unsigned int murmur_hash2(const char *key, int len, unsigned int seed)
 {
-	/*
-	 *  'm' and 'r' are mixing constants generated offline.
-	 *  They're not really 'magic', they just happen to work well.
-	 */
-	const unsigned int m = 0x5bd1e995;
-	const int r = 24;
-
-	/* initialize the hash to a 'random' value */
-	unsigned int h = seed ^ len;
-
-	/* mix 4 bytes at a time into the hash */
-	const unsigned char * data = (const unsigned char *)key;
-
-	while(len >= 4) {
-		unsigned int k = *(unsigned int *)data;
-
-		k *= m;
-		k ^= k >> r;
-		k *= m;
-		h *= m;
-		h ^= k;
-
-		data += 4;
-		len -= 4;
-	}
-
-	/* handle the last few bytes of the input array */
-	switch(len) {
-	case 3:
-		h ^= data[2] << 16;
-	case 2:
-		h ^= data[1] << 8;
-	case 1:
-		h ^= data[0];
-		h *= m;
-	};
-
-	/* do a few final mixes of the hash to ensure the last few bytes are well-incorporated */
-	h ^= h >> 13;
-	h *= m;
-	h ^= h >> 15;
-
-	return h;
+        /*
+         *  'm' and 'r' are mixing constants generated offline.
+         *  They're not really 'magic', they just happen to work well.
+         */
+        const unsigned int m = 0x5bd1e995;
+        const int r = 24;
+
+        /* initialize the hash to a 'random' value */
+        unsigned int h = seed ^ len;
+
+        /* mix 4 bytes at a time into the hash */
+        const unsigned char * data = (const unsigned char *)key;
+
+        while(len >= 4) {
+                unsigned int k = *(unsigned int *)data;
+
+                k *= m;
+                k ^= k >> r;
+                k *= m;
+                h *= m;
+                h ^= k;
+
+                data += 4;
+                len -= 4;
+        }
+
+        /* handle the last few bytes of the input array */
+        switch(len) {
+        case 3:
+                h ^= data[2] << 16;
+        case 2:
+                h ^= data[1] << 8;
+        case 1:
+                h ^= data[0];
+                h *= m;
+        };
+
+        /* do a few final mixes of the hash to ensure the last few bytes are well-incorporated */
+        h ^= h >> 13;
+        h *= m;
+        h ^= h >> 15;
+
+        return h;
 }
 
 unsigned int util_string_hash32(const char *str)
 {
-	return murmur_hash2(str, strlen(str), 0);
+        return murmur_hash2(str, strlen(str), 0);
 }
 
 /* get a bunch of bit numbers out of the hash, and set the bits in our bit field */
 uint64_t util_string_bloom64(const char *str)
 {
-	uint64_t bits = 0;
-	unsigned int hash = util_string_hash32(str);
-
-	bits |= 1LLU << (hash & 63);
-	bits |= 1LLU << ((hash >> 6) & 63);
-	bits |= 1LLU << ((hash >> 12) & 63);
-	bits |= 1LLU << ((hash >> 18) & 63);
-	return bits;
+        uint64_t bits = 0;
+        unsigned int hash = util_string_hash32(str);
+
+        bits |= 1LLU << (hash & 63);
+        bits |= 1LLU << ((hash >> 6) & 63);
+        bits |= 1LLU << ((hash >> 12) & 63);
+        bits |= 1LLU << ((hash >> 18) & 63);
+        return bits;
 }
 
 #define USEC_PER_SEC  1000000ULL
 #define NSEC_PER_USEC 1000ULL
 unsigned long long ts_usec(const struct timespec *ts)
 {
-	return (unsigned long long) ts->tv_sec * USEC_PER_SEC +
-	       (unsigned long long) ts->tv_nsec / NSEC_PER_USEC;
+        return (unsigned long long) ts->tv_sec * USEC_PER_SEC +
+               (unsigned long long) ts->tv_nsec / NSEC_PER_USEC;
 }
 
 unsigned long long now_usec(void)
 {
-	struct timespec ts;
+        struct timespec ts;
 
-	if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0)
-		return 0;
-	return ts_usec(&ts);
+        if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0)
+                return 0;
+        return ts_usec(&ts);
 }
diff --git a/src/libudev.c b/src/libudev.c
index f0f59e3a..be24329a 100644
--- a/src/libudev.c
+++ b/src/libudev.c
@@ -36,38 +36,38 @@
  * Opaque object representing the library context.
  */
 struct udev {
-	int refcount;
-	void (*log_fn)(struct udev *udev,
-		       int priority, const char *file, int line, const char *fn,
-		       const char *format, va_list args);
-	void *userdata;
-	char *sys_path;
-	char *dev_path;
-	char *rules_path[4];
-	unsigned long long rules_path_ts[4];
-	int rules_path_count;
-	char *run_path;
-	struct udev_list properties_list;
-	int log_priority;
+        int refcount;
+        void (*log_fn)(struct udev *udev,
+                       int priority, const char *file, int line, const char *fn,
+                       const char *format, va_list args);
+        void *userdata;
+        char *sys_path;
+        char *dev_path;
+        char *rules_path[4];
+        unsigned long long rules_path_ts[4];
+        int rules_path_count;
+        char *run_path;
+        struct udev_list properties_list;
+        int log_priority;
 };
 
 void udev_log(struct udev *udev,
-	      int priority, const char *file, int line, const char *fn,
-	      const char *format, ...)
+              int priority, const char *file, int line, const char *fn,
+              const char *format, ...)
 {
-	va_list args;
+        va_list args;
 
-	va_start(args, format);
-	udev->log_fn(udev, priority, file, line, fn, format, args);
-	va_end(args);
+        va_start(args, format);
+        udev->log_fn(udev, priority, file, line, fn, format, args);
+        va_end(args);
 }
 
 static void log_stderr(struct udev *udev,
-		       int priority, const char *file, int line, const char *fn,
-		       const char *format, va_list args)
+                       int priority, const char *file, int line, const char *fn,
+                       const char *format, va_list args)
 {
-	fprintf(stderr, "libudev: %s: ", fn);
-	vfprintf(stderr, format, args);
+        fprintf(stderr, "libudev: %s: ", fn);
+        vfprintf(stderr, format, args);
 }
 
 /**
@@ -81,9 +81,9 @@ static void log_stderr(struct udev *udev,
  **/
 UDEV_EXPORT void *udev_get_userdata(struct udev *udev)
 {
-	if (udev == NULL)
-		return NULL;
-	return udev->userdata;
+        if (udev == NULL)
+                return NULL;
+        return udev->userdata;
 }
 
 /**
@@ -95,17 +95,17 @@ UDEV_EXPORT void *udev_get_userdata(struct udev *udev)
  **/
 UDEV_EXPORT void udev_set_userdata(struct udev *udev, void *userdata)
 {
-	if (udev == NULL)
-		return;
-	udev->userdata = userdata;
+        if (udev == NULL)
+                return;
+        udev->userdata = userdata;
 }
 
 static char *set_value(char **s, const char *v)
 {
-	free(*s);
-	*s = strdup(v);
-	util_remove_trailing_chars(*s, '/');
-	return *s;
+        free(*s);
+        *s = strdup(v);
+        util_remove_trailing_chars(*s, '/');
+        return *s;
 }
 
 /**
@@ -121,171 +121,171 @@ static char *set_value(char **s, const char *v)
  **/
 UDEV_EXPORT struct udev *udev_new(void)
 {
-	struct udev *udev;
-	const char *env;
-	char *config_file = NULL;
-	FILE *f;
-
-	udev = calloc(1, sizeof(struct udev));
-	if (udev == NULL)
-		return NULL;
-	udev->refcount = 1;
-	udev->log_fn = log_stderr;
-	udev->log_priority = LOG_ERR;
-	udev_list_init(udev, &udev->properties_list, true);
-
-	/* custom config file */
-	env = getenv("UDEV_CONFIG_FILE");
-	if (env != NULL) {
-		if (set_value(&config_file, env) == NULL)
-			goto err;
-		udev_add_property(udev, "UDEV_CONFIG_FILE", config_file);
-	}
-
-	/* default config file */
-	if (config_file == NULL)
-		config_file = strdup(SYSCONFDIR "/udev/udev.conf");
-	if (config_file == NULL)
-		goto err;
-
-	f = fopen(config_file, "re");
-	if (f != NULL) {
-		char line[UTIL_LINE_SIZE];
-		int line_nr = 0;
-
-		while (fgets(line, sizeof(line), f)) {
-			size_t len;
-			char *key;
-			char *val;
-
-			line_nr++;
-
-			/* find key */
-			key = line;
-			while (isspace(key[0]))
-				key++;
-
-			/* comment or empty line */
-			if (key[0] == '#' || key[0] == '\0')
-				continue;
-
-			/* split key/value */
-			val = strchr(key, '=');
-			if (val == NULL) {
-				err(udev, "missing <key>=<value> in '%s'[%i], skip line\n", config_file, line_nr);
-				continue;
-			}
-			val[0] = '\0';
-			val++;
-
-			/* find value */
-			while (isspace(val[0]))
-				val++;
-
-			/* terminate key */
-			len = strlen(key);
-			if (len == 0)
-				continue;
-			while (isspace(key[len-1]))
-				len--;
-			key[len] = '\0';
-
-			/* terminate value */
-			len = strlen(val);
-			if (len == 0)
-				continue;
-			while (isspace(val[len-1]))
-				len--;
-			val[len] = '\0';
-
-			if (len == 0)
-				continue;
-
-			/* unquote */
-			if (val[0] == '"' || val[0] == '\'') {
-				if (val[len-1] != val[0]) {
-					err(udev, "inconsistent quoting in '%s'[%i], skip line\n", config_file, line_nr);
-					continue;
-				}
-				val[len-1] = '\0';
-				val++;
-			}
-
-			if (strcmp(key, "udev_log") == 0) {
-				udev_set_log_priority(udev, util_log_priority(val));
-				continue;
-			}
-			if (strcmp(key, "udev_root") == 0) {
-				set_value(&udev->dev_path, val);
-				continue;
-			}
-			if (strcmp(key, "udev_run") == 0) {
-				set_value(&udev->run_path, val);
-				continue;
-			}
-			if (strcmp(key, "udev_sys") == 0) {
-				set_value(&udev->sys_path, val);
-				continue;
-			}
-			if (strcmp(key, "udev_rules") == 0) {
-				set_value(&udev->rules_path[0], val);
-				udev->rules_path_count = 1;
-				continue;
-			}
-		}
-		fclose(f);
-	}
-
-	/* environment overwrites config */
-	env = getenv("UDEV_LOG");
-	if (env != NULL)
-		udev_set_log_priority(udev, util_log_priority(env));
-
-	/* set defaults */
-	if (udev->dev_path == NULL)
-		if (set_value(&udev->dev_path, "/dev") == NULL)
-			goto err;
-
-	if (udev->sys_path == NULL)
-		if (set_value(&udev->sys_path, "/sys") == NULL)
-			goto err;
-
-	if (udev->run_path == NULL)
-		if (set_value(&udev->run_path, "/run/udev") == NULL)
-			goto err;
-
-	if (udev->rules_path[0] == NULL) {
-		/* /usr/lib/udev -- system rules */
-		udev->rules_path[0] = strdup(PKGLIBEXECDIR "/rules.d");
-		if (!udev->rules_path[0])
-			goto err;
-
-		/* /etc/udev -- local administration rules */
-		udev->rules_path[1] = strdup(SYSCONFDIR "/udev/rules.d");
-		if (!udev->rules_path[1])
-			goto err;
-
-		/* /run/udev -- runtime rules */
-		if (asprintf(&udev->rules_path[2], "%s/rules.d", udev->run_path) < 0)
-			goto err;
-
-		udev->rules_path_count = 3;
-	}
-
-	dbg(udev, "context %p created\n", udev);
-	dbg(udev, "log_priority=%d\n", udev->log_priority);
-	dbg(udev, "config_file='%s'\n", config_file);
-	dbg(udev, "dev_path='%s'\n", udev->dev_path);
-	dbg(udev, "sys_path='%s'\n", udev->sys_path);
-	dbg(udev, "run_path='%s'\n", udev->run_path);
-	dbg(udev, "rules_path='%s':'%s':'%s'\n", udev->rules_path[0], udev->rules_path[1], udev->rules_path[2]);
-	free(config_file);
-	return udev;
+        struct udev *udev;
+        const char *env;
+        char *config_file = NULL;
+        FILE *f;
+
+        udev = calloc(1, sizeof(struct udev));
+        if (udev == NULL)
+                return NULL;
+        udev->refcount = 1;
+        udev->log_fn = log_stderr;
+        udev->log_priority = LOG_ERR;
+        udev_list_init(udev, &udev->properties_list, true);
+
+        /* custom config file */
+        env = getenv("UDEV_CONFIG_FILE");
+        if (env != NULL) {
+                if (set_value(&config_file, env) == NULL)
+                        goto err;
+                udev_add_property(udev, "UDEV_CONFIG_FILE", config_file);
+        }
+
+        /* default config file */
+        if (config_file == NULL)
+                config_file = strdup(SYSCONFDIR "/udev/udev.conf");
+        if (config_file == NULL)
+                goto err;
+
+        f = fopen(config_file, "re");
+        if (f != NULL) {
+                char line[UTIL_LINE_SIZE];
+                int line_nr = 0;
+
+                while (fgets(line, sizeof(line), f)) {
+                        size_t len;
+                        char *key;
+                        char *val;
+
+                        line_nr++;
+
+                        /* find key */
+                        key = line;
+                        while (isspace(key[0]))
+                                key++;
+
+                        /* comment or empty line */
+                        if (key[0] == '#' || key[0] == '\0')
+                                continue;
+
+                        /* split key/value */
+                        val = strchr(key, '=');
+                        if (val == NULL) {
+                                err(udev, "missing <key>=<value> in '%s'[%i], skip line\n", config_file, line_nr);
+                                continue;
+                        }
+                        val[0] = '\0';
+                        val++;
+
+                        /* find value */
+                        while (isspace(val[0]))
+                                val++;
+
+                        /* terminate key */
+                        len = strlen(key);
+                        if (len == 0)
+                                continue;
+                        while (isspace(key[len-1]))
+                                len--;
+                        key[len] = '\0';
+
+                        /* terminate value */
+                        len = strlen(val);
+                        if (len == 0)
+                                continue;
+                        while (isspace(val[len-1]))
+                                len--;
+                        val[len] = '\0';
+
+                        if (len == 0)
+                                continue;
+
+                        /* unquote */
+                        if (val[0] == '"' || val[0] == '\'') {
+                                if (val[len-1] != val[0]) {
+                                        err(udev, "inconsistent quoting in '%s'[%i], skip line\n", config_file, line_nr);
+                                        continue;
+                                }
+                                val[len-1] = '\0';
+                                val++;
+                        }
+
+                        if (strcmp(key, "udev_log") == 0) {
+                                udev_set_log_priority(udev, util_log_priority(val));
+                                continue;
+                        }
+                        if (strcmp(key, "udev_root") == 0) {
+                                set_value(&udev->dev_path, val);
+                                continue;
+                        }
+                        if (strcmp(key, "udev_run") == 0) {
+                                set_value(&udev->run_path, val);
+                                continue;
+                        }
+                        if (strcmp(key, "udev_sys") == 0) {
+                                set_value(&udev->sys_path, val);
+                                continue;
+                        }
+                        if (strcmp(key, "udev_rules") == 0) {
+                                set_value(&udev->rules_path[0], val);
+                                udev->rules_path_count = 1;
+                                continue;
+                        }
+                }
+                fclose(f);
+        }
+
+        /* environment overwrites config */
+        env = getenv("UDEV_LOG");
+        if (env != NULL)
+                udev_set_log_priority(udev, util_log_priority(env));
+
+        /* set defaults */
+        if (udev->dev_path == NULL)
+                if (set_value(&udev->dev_path, "/dev") == NULL)
+                        goto err;
+
+        if (udev->sys_path == NULL)
+                if (set_value(&udev->sys_path, "/sys") == NULL)
+                        goto err;
+
+        if (udev->run_path == NULL)
+                if (set_value(&udev->run_path, "/run/udev") == NULL)
+                        goto err;
+
+        if (udev->rules_path[0] == NULL) {
+                /* /usr/lib/udev -- system rules */
+                udev->rules_path[0] = strdup(PKGLIBEXECDIR "/rules.d");
+                if (!udev->rules_path[0])
+                        goto err;
+
+                /* /etc/udev -- local administration rules */
+                udev->rules_path[1] = strdup(SYSCONFDIR "/udev/rules.d");
+                if (!udev->rules_path[1])
+                        goto err;
+
+                /* /run/udev -- runtime rules */
+                if (asprintf(&udev->rules_path[2], "%s/rules.d", udev->run_path) < 0)
+                        goto err;
+
+                udev->rules_path_count = 3;
+        }
+
+        dbg(udev, "context %p created\n", udev);
+        dbg(udev, "log_priority=%d\n", udev->log_priority);
+        dbg(udev, "config_file='%s'\n", config_file);
+        dbg(udev, "dev_path='%s'\n", udev->dev_path);
+        dbg(udev, "sys_path='%s'\n", udev->sys_path);
+        dbg(udev, "run_path='%s'\n", udev->run_path);
+        dbg(udev, "rules_path='%s':'%s':'%s'\n", udev->rules_path[0], udev->rules_path[1], udev->rules_path[2]);
+        free(config_file);
+        return udev;
 err:
-	free(config_file);
-	err(udev, "context creation failed\n");
-	udev_unref(udev);
-	return NULL;
+        free(config_file);
+        err(udev, "context creation failed\n");
+        udev_unref(udev);
+        return NULL;
 }
 
 /**
@@ -298,10 +298,10 @@ err:
  **/
 UDEV_EXPORT struct udev *udev_ref(struct udev *udev)
 {
-	if (udev == NULL)
-		return NULL;
-	udev->refcount++;
-	return udev;
+        if (udev == NULL)
+                return NULL;
+        udev->refcount++;
+        return udev;
 }
 
 /**
@@ -314,20 +314,20 @@ UDEV_EXPORT struct udev *udev_ref(struct udev *udev)
  **/
 UDEV_EXPORT void udev_unref(struct udev *udev)
 {
-	if (udev == NULL)
-		return;
-	udev->refcount--;
-	if (udev->refcount > 0)
-		return;
-	udev_list_cleanup(&udev->properties_list);
-	free(udev->dev_path);
-	free(udev->sys_path);
-	free(udev->rules_path[0]);
-	free(udev->rules_path[1]);
-	free(udev->rules_path[2]);
-	free(udev->run_path);
-	dbg(udev, "context %p released\n", udev);
-	free(udev);
+        if (udev == NULL)
+                return;
+        udev->refcount--;
+        if (udev->refcount > 0)
+                return;
+        udev_list_cleanup(&udev->properties_list);
+        free(udev->dev_path);
+        free(udev->sys_path);
+        free(udev->rules_path[0]);
+        free(udev->rules_path[1]);
+        free(udev->rules_path[2]);
+        free(udev->run_path);
+        dbg(udev, "context %p released\n", udev);
+        free(udev);
 }
 
 /**
@@ -341,12 +341,12 @@ UDEV_EXPORT void udev_unref(struct udev *udev)
  *
  **/
 UDEV_EXPORT void udev_set_log_fn(struct udev *udev,
-		     void (*log_fn)(struct udev *udev,
-				    int priority, const char *file, int line, const char *fn,
-				    const char *format, va_list args))
+                     void (*log_fn)(struct udev *udev,
+                                    int priority, const char *file, int line, const char *fn,
+                                    const char *format, va_list args))
 {
-	udev->log_fn = log_fn;
-	info(udev, "custom logging function %p registered\n", log_fn);
+        udev->log_fn = log_fn;
+        info(udev, "custom logging function %p registered\n", log_fn);
 }
 
 /**
@@ -360,7 +360,7 @@ UDEV_EXPORT void udev_set_log_fn(struct udev *udev,
  **/
 UDEV_EXPORT int udev_get_log_priority(struct udev *udev)
 {
-	return udev->log_priority;
+        return udev->log_priority;
 }
 
 /**
@@ -373,19 +373,19 @@ UDEV_EXPORT int udev_get_log_priority(struct udev *udev)
  **/
 UDEV_EXPORT void udev_set_log_priority(struct udev *udev, int priority)
 {
-	char num[32];
+        char num[32];
 
-	udev->log_priority = priority;
-	snprintf(num, sizeof(num), "%u", udev->log_priority);
-	udev_add_property(udev, "UDEV_LOG", num);
+        udev->log_priority = priority;
+        snprintf(num, sizeof(num), "%u", udev->log_priority);
+        udev_add_property(udev, "UDEV_LOG", num);
 }
 
 int udev_get_rules_path(struct udev *udev, char **path[], unsigned long long *stamp_usec[])
 {
-	*path = udev->rules_path;
-	if (stamp_usec)
-		*stamp_usec = udev->rules_path_ts;
-	return udev->rules_path_count;
+        *path = udev->rules_path;
+        if (stamp_usec)
+                *stamp_usec = udev->rules_path_ts;
+        return udev->rules_path_count;
 }
 
 /**
@@ -400,9 +400,9 @@ int udev_get_rules_path(struct udev *udev, char **path[], unsigned long long *st
  **/
 UDEV_EXPORT const char *udev_get_sys_path(struct udev *udev)
 {
-	if (udev == NULL)
-		return NULL;
-	return udev->sys_path;
+        if (udev == NULL)
+                return NULL;
+        return udev->sys_path;
 }
 
 /**
@@ -417,9 +417,9 @@ UDEV_EXPORT const char *udev_get_sys_path(struct udev *udev)
  **/
 UDEV_EXPORT const char *udev_get_dev_path(struct udev *udev)
 {
-	if (udev == NULL)
-		return NULL;
-	return udev->dev_path;
+        if (udev == NULL)
+                return NULL;
+        return udev->dev_path;
 }
 
 /**
@@ -432,26 +432,26 @@ UDEV_EXPORT const char *udev_get_dev_path(struct udev *udev)
  **/
 UDEV_EXPORT const char *udev_get_run_path(struct udev *udev)
 {
-	if (udev == NULL)
-		return NULL;
-	return udev->run_path;
+        if (udev == NULL)
+                return NULL;
+        return udev->run_path;
 }
 
 struct udev_list_entry *udev_add_property(struct udev *udev, const char *key, const char *value)
 {
-	if (value == NULL) {
-		struct udev_list_entry *list_entry;
-
-		list_entry = udev_get_properties_list_entry(udev);
-		list_entry = udev_list_entry_get_by_name(list_entry, key);
-		if (list_entry != NULL)
-			udev_list_entry_delete(list_entry);
-		return NULL;
-	}
-	return udev_list_entry_add(&udev->properties_list, key, value);
+        if (value == NULL) {
+                struct udev_list_entry *list_entry;
+
+                list_entry = udev_get_properties_list_entry(udev);
+                list_entry = udev_list_entry_get_by_name(list_entry, key);
+                if (list_entry != NULL)
+                        udev_list_entry_delete(list_entry);
+                return NULL;
+        }
+        return udev_list_entry_add(&udev->properties_list, key, value);
 }
 
 struct udev_list_entry *udev_get_properties_list_entry(struct udev *udev)
 {
-	return udev_list_get_entry(&udev->properties_list);
+        return udev_list_get_entry(&udev->properties_list);
 }
diff --git a/src/libudev.h b/src/libudev.h
index 28d7d0a3..10e098d4 100644
--- a/src/libudev.h
+++ b/src/libudev.h
@@ -31,9 +31,9 @@ struct udev *udev_ref(struct udev *udev);
 void udev_unref(struct udev *udev);
 struct udev *udev_new(void);
 void udev_set_log_fn(struct udev *udev,
-			    void (*log_fn)(struct udev *udev,
-					   int priority, const char *file, int line, const char *fn,
-					   const char *format, va_list args));
+                            void (*log_fn)(struct udev *udev,
+                                           int priority, const char *file, int line, const char *fn,
+                                           const char *format, va_list args));
 int udev_get_log_priority(struct udev *udev);
 void udev_set_log_priority(struct udev *udev, int priority);
 const char *udev_get_sys_path(struct udev *udev);
@@ -60,9 +60,9 @@ const char *udev_list_entry_get_value(struct udev_list_entry *list_entry);
  * Helper to iterate over all entries of a list.
  */
 #define udev_list_entry_foreach(list_entry, first_entry) \
-	for (list_entry = first_entry; \
-	     list_entry != NULL; \
-	     list_entry = udev_list_entry_get_next(list_entry))
+        for (list_entry = first_entry; \
+             list_entry != NULL; \
+             list_entry = udev_list_entry_get_next(list_entry))
 
 /*
  * udev_device
@@ -80,7 +80,7 @@ struct udev_device *udev_device_new_from_environment(struct udev *udev);
 /* udev_device_get_parent_*() does not take a reference on the returned device, it is automatically unref'd with the parent */
 struct udev_device *udev_device_get_parent(struct udev_device *udev_device);
 struct udev_device *udev_device_get_parent_with_subsystem_devtype(struct udev_device *udev_device,
-								  const char *subsystem, const char *devtype);
+                                                                  const char *subsystem, const char *devtype);
 /* retrieve device properties */
 const char *udev_device_get_devpath(struct udev_device *udev_device);
 const char *udev_device_get_subsystem(struct udev_device *udev_device);
@@ -123,7 +123,7 @@ int udev_monitor_get_fd(struct udev_monitor *udev_monitor);
 struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor);
 /* in-kernel socket filters to select messages that get delivered to a listener */
 int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor,
-						    const char *subsystem, const char *devtype);
+                                                    const char *subsystem, const char *devtype);
 int udev_monitor_filter_add_match_tag(struct udev_monitor *udev_monitor, const char *tag);
 int udev_monitor_filter_update(struct udev_monitor *udev_monitor);
 int udev_monitor_filter_remove(struct udev_monitor *udev_monitor);
@@ -171,7 +171,7 @@ int udev_queue_get_udev_is_active(struct udev_queue *udev_queue);
 int udev_queue_get_queue_is_empty(struct udev_queue *udev_queue);
 int udev_queue_get_seqnum_is_finished(struct udev_queue *udev_queue, unsigned long long int seqnum);
 int udev_queue_get_seqnum_sequence_is_finished(struct udev_queue *udev_queue,
-					       unsigned long long int start, unsigned long long int end);
+                                               unsigned long long int start, unsigned long long int end);
 struct udev_list_entry *udev_queue_get_queued_list_entry(struct udev_queue *udev_queue);
 
 /*
diff --git a/src/test-libudev.c b/src/test-libudev.c
index c325f8ee..6161fb3e 100644
--- a/src/test-libudev.c
+++ b/src/test-libudev.c
@@ -25,477 +25,477 @@
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
 
 static void log_fn(struct udev *udev,
-		   int priority, const char *file, int line, const char *fn,
-		   const char *format, va_list args)
+                   int priority, const char *file, int line, const char *fn,
+                   const char *format, va_list args)
 {
-	printf("test-libudev: %s %s:%d ", fn, file, line);
-	vprintf(format, args);
+        printf("test-libudev: %s %s:%d ", fn, file, line);
+        vprintf(format, args);
 }
 
 static void print_device(struct udev_device *device)
 {
-	const char *str;
-	dev_t devnum;
-	int count;
-	struct udev_list_entry *list_entry;
-
-	printf("*** device: %p ***\n", device);
-	str = udev_device_get_action(device);
-	if (str != NULL)
-		printf("action:    '%s'\n", str);
-
-	str = udev_device_get_syspath(device);
-	printf("syspath:   '%s'\n", str);
-
-	str = udev_device_get_sysname(device);
-	printf("sysname:   '%s'\n", str);
-
-	str = udev_device_get_sysnum(device);
-	if (str != NULL)
-		printf("sysnum:    '%s'\n", str);
-
-	str = udev_device_get_devpath(device);
-	printf("devpath:   '%s'\n", str);
-
-	str = udev_device_get_subsystem(device);
-	if (str != NULL)
-		printf("subsystem: '%s'\n", str);
-
-	str = udev_device_get_devtype(device);
-	if (str != NULL)
-		printf("devtype:   '%s'\n", str);
-
-	str = udev_device_get_driver(device);
-	if (str != NULL)
-		printf("driver:    '%s'\n", str);
-
-	str = udev_device_get_devnode(device);
-	if (str != NULL)
-		printf("devname:   '%s'\n", str);
-
-	devnum = udev_device_get_devnum(device);
-	if (major(devnum) > 0)
-		printf("devnum:    %u:%u\n", major(devnum), minor(devnum));
-
-	count = 0;
-	udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
-		printf("link:      '%s'\n", udev_list_entry_get_name(list_entry));
-		count++;
-	}
-	if (count > 0)
-		printf("found %i links\n", count);
-
-	count = 0;
-	udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) {
-		printf("property:  '%s=%s'\n",
-		       udev_list_entry_get_name(list_entry),
-		       udev_list_entry_get_value(list_entry));
-		count++;
-	}
-	if (count > 0)
-		printf("found %i properties\n", count);
-
-	str = udev_device_get_property_value(device, "MAJOR");
-	if (str != NULL)
-		printf("MAJOR: '%s'\n", str);
-
-	str = udev_device_get_sysattr_value(device, "dev");
-	if (str != NULL)
-		printf("attr{dev}: '%s'\n", str);
-
-	printf("\n");
+        const char *str;
+        dev_t devnum;
+        int count;
+        struct udev_list_entry *list_entry;
+
+        printf("*** device: %p ***\n", device);
+        str = udev_device_get_action(device);
+        if (str != NULL)
+                printf("action:    '%s'\n", str);
+
+        str = udev_device_get_syspath(device);
+        printf("syspath:   '%s'\n", str);
+
+        str = udev_device_get_sysname(device);
+        printf("sysname:   '%s'\n", str);
+
+        str = udev_device_get_sysnum(device);
+        if (str != NULL)
+                printf("sysnum:    '%s'\n", str);
+
+        str = udev_device_get_devpath(device);
+        printf("devpath:   '%s'\n", str);
+
+        str = udev_device_get_subsystem(device);
+        if (str != NULL)
+                printf("subsystem: '%s'\n", str);
+
+        str = udev_device_get_devtype(device);
+        if (str != NULL)
+                printf("devtype:   '%s'\n", str);
+
+        str = udev_device_get_driver(device);
+        if (str != NULL)
+                printf("driver:    '%s'\n", str);
+
+        str = udev_device_get_devnode(device);
+        if (str != NULL)
+                printf("devname:   '%s'\n", str);
+
+        devnum = udev_device_get_devnum(device);
+        if (major(devnum) > 0)
+                printf("devnum:    %u:%u\n", major(devnum), minor(devnum));
+
+        count = 0;
+        udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
+                printf("link:      '%s'\n", udev_list_entry_get_name(list_entry));
+                count++;
+        }
+        if (count > 0)
+                printf("found %i links\n", count);
+
+        count = 0;
+        udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) {
+                printf("property:  '%s=%s'\n",
+                       udev_list_entry_get_name(list_entry),
+                       udev_list_entry_get_value(list_entry));
+                count++;
+        }
+        if (count > 0)
+                printf("found %i properties\n", count);
+
+        str = udev_device_get_property_value(device, "MAJOR");
+        if (str != NULL)
+                printf("MAJOR: '%s'\n", str);
+
+        str = udev_device_get_sysattr_value(device, "dev");
+        if (str != NULL)
+                printf("attr{dev}: '%s'\n", str);
+
+        printf("\n");
 }
 
 static int test_device(struct udev *udev, const char *syspath)
 {
-	struct udev_device *device;
-
-	printf("looking at device: %s\n", syspath);
-	device = udev_device_new_from_syspath(udev, syspath);
-	if (device == NULL) {
-		printf("no device found\n");
-		return -1;
-	}
-	print_device(device);
-	udev_device_unref(device);
-	return 0;
+        struct udev_device *device;
+
+        printf("looking at device: %s\n", syspath);
+        device = udev_device_new_from_syspath(udev, syspath);
+        if (device == NULL) {
+                printf("no device found\n");
+                return -1;
+        }
+        print_device(device);
+        udev_device_unref(device);
+        return 0;
 }
 
 static int test_device_parents(struct udev *udev, const char *syspath)
 {
-	struct udev_device *device;
-	struct udev_device *device_parent;
-
-	printf("looking at device: %s\n", syspath);
-	device = udev_device_new_from_syspath(udev, syspath);
-	if (device == NULL)
-		return -1;
-
-	printf("looking at parents\n");
-	device_parent = device;
-	do {
-		print_device(device_parent);
-		device_parent = udev_device_get_parent(device_parent);
-	} while (device_parent != NULL);
-
-	printf("looking at parents again\n");
-	device_parent = device;
-	do {
-		print_device(device_parent);
-		device_parent = udev_device_get_parent(device_parent);
-	} while (device_parent != NULL);
-	udev_device_unref(device);
-
-	return 0;
+        struct udev_device *device;
+        struct udev_device *device_parent;
+
+        printf("looking at device: %s\n", syspath);
+        device = udev_device_new_from_syspath(udev, syspath);
+        if (device == NULL)
+                return -1;
+
+        printf("looking at parents\n");
+        device_parent = device;
+        do {
+                print_device(device_parent);
+                device_parent = udev_device_get_parent(device_parent);
+        } while (device_parent != NULL);
+
+        printf("looking at parents again\n");
+        device_parent = device;
+        do {
+                print_device(device_parent);
+                device_parent = udev_device_get_parent(device_parent);
+        } while (device_parent != NULL);
+        udev_device_unref(device);
+
+        return 0;
 }
 
 static int test_device_devnum(struct udev *udev)
 {
-	dev_t devnum = makedev(1, 3);
-	struct udev_device *device;
-
-	printf("looking up device: %u:%u\n", major(devnum), minor(devnum));
-	device = udev_device_new_from_devnum(udev, 'c', devnum);
-	if (device == NULL)
-		return -1;
-	print_device(device);
-	udev_device_unref(device);
-	return 0;
+        dev_t devnum = makedev(1, 3);
+        struct udev_device *device;
+
+        printf("looking up device: %u:%u\n", major(devnum), minor(devnum));
+        device = udev_device_new_from_devnum(udev, 'c', devnum);
+        if (device == NULL)
+                return -1;
+        print_device(device);
+        udev_device_unref(device);
+        return 0;
 }
 
 static int test_device_subsys_name(struct udev *udev)
 {
-	struct udev_device *device;
-
-	printf("looking up device: 'block':'sda'\n");
-	device = udev_device_new_from_subsystem_sysname(udev, "block", "sda");
-	if (device == NULL)
-		return -1;
-	print_device(device);
-	udev_device_unref(device);
-
-	printf("looking up device: 'subsystem':'pci'\n");
-	device = udev_device_new_from_subsystem_sysname(udev, "subsystem", "pci");
-	if (device == NULL)
-		return -1;
-	print_device(device);
-	udev_device_unref(device);
-
-	printf("looking up device: 'drivers':'scsi:sd'\n");
-	device = udev_device_new_from_subsystem_sysname(udev, "drivers", "scsi:sd");
-	if (device == NULL)
-		return -1;
-	print_device(device);
-	udev_device_unref(device);
-
-	printf("looking up device: 'module':'printk'\n");
-	device = udev_device_new_from_subsystem_sysname(udev, "module", "printk");
-	if (device == NULL)
-		return -1;
-	print_device(device);
-	udev_device_unref(device);
-	return 0;
+        struct udev_device *device;
+
+        printf("looking up device: 'block':'sda'\n");
+        device = udev_device_new_from_subsystem_sysname(udev, "block", "sda");
+        if (device == NULL)
+                return -1;
+        print_device(device);
+        udev_device_unref(device);
+
+        printf("looking up device: 'subsystem':'pci'\n");
+        device = udev_device_new_from_subsystem_sysname(udev, "subsystem", "pci");
+        if (device == NULL)
+                return -1;
+        print_device(device);
+        udev_device_unref(device);
+
+        printf("looking up device: 'drivers':'scsi:sd'\n");
+        device = udev_device_new_from_subsystem_sysname(udev, "drivers", "scsi:sd");
+        if (device == NULL)
+                return -1;
+        print_device(device);
+        udev_device_unref(device);
+
+        printf("looking up device: 'module':'printk'\n");
+        device = udev_device_new_from_subsystem_sysname(udev, "module", "printk");
+        if (device == NULL)
+                return -1;
+        print_device(device);
+        udev_device_unref(device);
+        return 0;
 }
 
 static int test_enumerate_print_list(struct udev_enumerate *enumerate)
 {
-	struct udev_list_entry *list_entry;
-	int count = 0;
-
-	udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
-		struct udev_device *device;
-
-		device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
-						      udev_list_entry_get_name(list_entry));
-		if (device != NULL) {
-			printf("device: '%s' (%s)\n",
-			       udev_device_get_syspath(device),
-			       udev_device_get_subsystem(device));
-			udev_device_unref(device);
-			count++;
-		}
-	}
-	printf("found %i devices\n\n", count);
-	return count;
+        struct udev_list_entry *list_entry;
+        int count = 0;
+
+        udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
+                struct udev_device *device;
+
+                device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
+                                                      udev_list_entry_get_name(list_entry));
+                if (device != NULL) {
+                        printf("device: '%s' (%s)\n",
+                               udev_device_get_syspath(device),
+                               udev_device_get_subsystem(device));
+                        udev_device_unref(device);
+                        count++;
+                }
+        }
+        printf("found %i devices\n\n", count);
+        return count;
 }
 
 static int test_monitor(struct udev *udev)
 {
-	struct udev_monitor *udev_monitor = NULL;
-	int fd_ep;
-	int fd_udev = -1;
-	struct epoll_event ep_udev, ep_stdin;
-
-	fd_ep = epoll_create1(EPOLL_CLOEXEC);
-	if (fd_ep < 0) {
-		printf("error creating epoll fd: %m\n");
-		goto out;
-	}
-
-	udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
-	if (udev_monitor == NULL) {
-		printf("no socket\n");
-		goto out;
-	}
-	fd_udev = udev_monitor_get_fd(udev_monitor);
-
-	if (udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "block", NULL) < 0 ||
-	    udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "tty", NULL) < 0 ||
-	    udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "usb", "usb_device") < 0) {
-		printf("filter failed\n");
-		goto out;
-	}
-
-	if (udev_monitor_enable_receiving(udev_monitor) < 0) {
-		printf("bind failed\n");
-		goto out;
-	}
-
-	memset(&ep_udev, 0, sizeof(struct epoll_event));
-	ep_udev.events = EPOLLIN;
-	ep_udev.data.fd = fd_udev;
-	if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) {
-		printf("fail to add fd to epoll: %m\n");
-		goto out;
-	}
-
-	memset(&ep_stdin, 0, sizeof(struct epoll_event));
-	ep_stdin.events = EPOLLIN;
-	ep_stdin.data.fd = STDIN_FILENO;
-	if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, STDIN_FILENO, &ep_stdin) < 0) {
-		printf("fail to add fd to epoll: %m\n");
-		goto out;
-	}
-
-	for (;;) {
-		int fdcount;
-		struct epoll_event ev[4];
-		struct udev_device *device;
-		int i;
-
-		printf("waiting for events from udev, press ENTER to exit\n");
-		fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1);
-		printf("epoll fd count: %i\n", fdcount);
-
-		for (i = 0; i < fdcount; i++) {
-			if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) {
-				device = udev_monitor_receive_device(udev_monitor);
-				if (device == NULL) {
-					printf("no device from socket\n");
-					continue;
-				}
-				print_device(device);
-				udev_device_unref(device);
-			} else if (ev[i].data.fd == STDIN_FILENO && ev[i].events & EPOLLIN) {
-				printf("exiting loop\n");
-				goto out;
-			}
-		}
-	}
+        struct udev_monitor *udev_monitor = NULL;
+        int fd_ep;
+        int fd_udev = -1;
+        struct epoll_event ep_udev, ep_stdin;
+
+        fd_ep = epoll_create1(EPOLL_CLOEXEC);
+        if (fd_ep < 0) {
+                printf("error creating epoll fd: %m\n");
+                goto out;
+        }
+
+        udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
+        if (udev_monitor == NULL) {
+                printf("no socket\n");
+                goto out;
+        }
+        fd_udev = udev_monitor_get_fd(udev_monitor);
+
+        if (udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "block", NULL) < 0 ||
+            udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "tty", NULL) < 0 ||
+            udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "usb", "usb_device") < 0) {
+                printf("filter failed\n");
+                goto out;
+        }
+
+        if (udev_monitor_enable_receiving(udev_monitor) < 0) {
+                printf("bind failed\n");
+                goto out;
+        }
+
+        memset(&ep_udev, 0, sizeof(struct epoll_event));
+        ep_udev.events = EPOLLIN;
+        ep_udev.data.fd = fd_udev;
+        if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) {
+                printf("fail to add fd to epoll: %m\n");
+                goto out;
+        }
+
+        memset(&ep_stdin, 0, sizeof(struct epoll_event));
+        ep_stdin.events = EPOLLIN;
+        ep_stdin.data.fd = STDIN_FILENO;
+        if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, STDIN_FILENO, &ep_stdin) < 0) {
+                printf("fail to add fd to epoll: %m\n");
+                goto out;
+        }
+
+        for (;;) {
+                int fdcount;
+                struct epoll_event ev[4];
+                struct udev_device *device;
+                int i;
+
+                printf("waiting for events from udev, press ENTER to exit\n");
+                fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1);
+                printf("epoll fd count: %i\n", fdcount);
+
+                for (i = 0; i < fdcount; i++) {
+                        if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) {
+                                device = udev_monitor_receive_device(udev_monitor);
+                                if (device == NULL) {
+                                        printf("no device from socket\n");
+                                        continue;
+                                }
+                                print_device(device);
+                                udev_device_unref(device);
+                        } else if (ev[i].data.fd == STDIN_FILENO && ev[i].events & EPOLLIN) {
+                                printf("exiting loop\n");
+                                goto out;
+                        }
+                }
+        }
 out:
-	if (fd_ep >= 0)
-		close(fd_ep);
-	udev_monitor_unref(udev_monitor);
-	return 0;
+        if (fd_ep >= 0)
+                close(fd_ep);
+        udev_monitor_unref(udev_monitor);
+        return 0;
 }
 
 static int test_queue(struct udev *udev)
 {
-	struct udev_queue *udev_queue;
-	unsigned long long int seqnum;
-	struct udev_list_entry *list_entry;
-
-	udev_queue = udev_queue_new(udev);
-	if (udev_queue == NULL)
-		return -1;
-	seqnum = udev_queue_get_kernel_seqnum(udev_queue);
-	printf("seqnum kernel: %llu\n", seqnum);
-	seqnum = udev_queue_get_udev_seqnum(udev_queue);
-	printf("seqnum udev  : %llu\n", seqnum);
-
-	if (udev_queue_get_queue_is_empty(udev_queue))
-		printf("queue is empty\n");
-	printf("get queue list\n");
-	udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
-		printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
-	printf("\n");
-	printf("get queue list again\n");
-	udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
-		printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
-	printf("\n");
-
-	list_entry = udev_queue_get_queued_list_entry(udev_queue);
-	if (list_entry != NULL) {
-		printf("event [%llu] is queued\n", seqnum);
-		seqnum = strtoull(udev_list_entry_get_value(list_entry), NULL, 10);
-		if (udev_queue_get_seqnum_is_finished(udev_queue, seqnum))
-			printf("event [%llu] is not finished\n", seqnum);
-		else
-			printf("event [%llu] is finished\n", seqnum);
-	}
-	printf("\n");
-	udev_queue_unref(udev_queue);
-	return 0;
+        struct udev_queue *udev_queue;
+        unsigned long long int seqnum;
+        struct udev_list_entry *list_entry;
+
+        udev_queue = udev_queue_new(udev);
+        if (udev_queue == NULL)
+                return -1;
+        seqnum = udev_queue_get_kernel_seqnum(udev_queue);
+        printf("seqnum kernel: %llu\n", seqnum);
+        seqnum = udev_queue_get_udev_seqnum(udev_queue);
+        printf("seqnum udev  : %llu\n", seqnum);
+
+        if (udev_queue_get_queue_is_empty(udev_queue))
+                printf("queue is empty\n");
+        printf("get queue list\n");
+        udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
+                printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
+        printf("\n");
+        printf("get queue list again\n");
+        udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
+                printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
+        printf("\n");
+
+        list_entry = udev_queue_get_queued_list_entry(udev_queue);
+        if (list_entry != NULL) {
+                printf("event [%llu] is queued\n", seqnum);
+                seqnum = strtoull(udev_list_entry_get_value(list_entry), NULL, 10);
+                if (udev_queue_get_seqnum_is_finished(udev_queue, seqnum))
+                        printf("event [%llu] is not finished\n", seqnum);
+                else
+                        printf("event [%llu] is finished\n", seqnum);
+        }
+        printf("\n");
+        udev_queue_unref(udev_queue);
+        return 0;
 }
 
 static int test_enumerate(struct udev *udev, const char *subsystem)
 {
-	struct udev_enumerate *udev_enumerate;
-
-	printf("enumerate '%s'\n", subsystem == NULL ? "<all>" : subsystem);
-	udev_enumerate = udev_enumerate_new(udev);
-	if (udev_enumerate == NULL)
-		return -1;
-	udev_enumerate_add_match_subsystem(udev_enumerate, subsystem);
-	udev_enumerate_scan_devices(udev_enumerate);
-	test_enumerate_print_list(udev_enumerate);
-	udev_enumerate_unref(udev_enumerate);
-
-	printf("enumerate 'net' + duplicated scan + null + zero\n");
-	udev_enumerate = udev_enumerate_new(udev);
-	if (udev_enumerate == NULL)
-		return -1;
-	udev_enumerate_add_match_subsystem(udev_enumerate, "net");
-	udev_enumerate_scan_devices(udev_enumerate);
-	udev_enumerate_scan_devices(udev_enumerate);
-	udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
-	udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
-	udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
-	udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
-	udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
-	udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
-	udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
-	udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
-	udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
-	udev_enumerate_scan_devices(udev_enumerate);
-	test_enumerate_print_list(udev_enumerate);
-	udev_enumerate_unref(udev_enumerate);
-
-	printf("enumerate 'block'\n");
-	udev_enumerate = udev_enumerate_new(udev);
-	if (udev_enumerate == NULL)
-		return -1;
-	udev_enumerate_add_match_subsystem(udev_enumerate,"block");
-	udev_enumerate_add_match_is_initialized(udev_enumerate);
-	udev_enumerate_scan_devices(udev_enumerate);
-	test_enumerate_print_list(udev_enumerate);
-	udev_enumerate_unref(udev_enumerate);
-
-	printf("enumerate 'not block'\n");
-	udev_enumerate = udev_enumerate_new(udev);
-	if (udev_enumerate == NULL)
-		return -1;
-	udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block");
-	udev_enumerate_scan_devices(udev_enumerate);
-	test_enumerate_print_list(udev_enumerate);
-	udev_enumerate_unref(udev_enumerate);
-
-	printf("enumerate 'pci, mem, vc'\n");
-	udev_enumerate = udev_enumerate_new(udev);
-	if (udev_enumerate == NULL)
-		return -1;
-	udev_enumerate_add_match_subsystem(udev_enumerate, "pci");
-	udev_enumerate_add_match_subsystem(udev_enumerate, "mem");
-	udev_enumerate_add_match_subsystem(udev_enumerate, "vc");
-	udev_enumerate_scan_devices(udev_enumerate);
-	test_enumerate_print_list(udev_enumerate);
-	udev_enumerate_unref(udev_enumerate);
-
-	printf("enumerate 'subsystem'\n");
-	udev_enumerate = udev_enumerate_new(udev);
-	if (udev_enumerate == NULL)
-		return -1;
-	udev_enumerate_scan_subsystems(udev_enumerate);
-	test_enumerate_print_list(udev_enumerate);
-	udev_enumerate_unref(udev_enumerate);
-
-	printf("enumerate 'property IF_FS_*=filesystem'\n");
-	udev_enumerate = udev_enumerate_new(udev);
-	if (udev_enumerate == NULL)
-		return -1;
-	udev_enumerate_add_match_property(udev_enumerate, "ID_FS*", "filesystem");
-	udev_enumerate_scan_devices(udev_enumerate);
-	test_enumerate_print_list(udev_enumerate);
-	udev_enumerate_unref(udev_enumerate);
-	return 0;
+        struct udev_enumerate *udev_enumerate;
+
+        printf("enumerate '%s'\n", subsystem == NULL ? "<all>" : subsystem);
+        udev_enumerate = udev_enumerate_new(udev);
+        if (udev_enumerate == NULL)
+                return -1;
+        udev_enumerate_add_match_subsystem(udev_enumerate, subsystem);
+        udev_enumerate_scan_devices(udev_enumerate);
+        test_enumerate_print_list(udev_enumerate);
+        udev_enumerate_unref(udev_enumerate);
+
+        printf("enumerate 'net' + duplicated scan + null + zero\n");
+        udev_enumerate = udev_enumerate_new(udev);
+        if (udev_enumerate == NULL)
+                return -1;
+        udev_enumerate_add_match_subsystem(udev_enumerate, "net");
+        udev_enumerate_scan_devices(udev_enumerate);
+        udev_enumerate_scan_devices(udev_enumerate);
+        udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
+        udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
+        udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
+        udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
+        udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
+        udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
+        udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/null");
+        udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
+        udev_enumerate_add_syspath(udev_enumerate, "/sys/class/mem/zero");
+        udev_enumerate_scan_devices(udev_enumerate);
+        test_enumerate_print_list(udev_enumerate);
+        udev_enumerate_unref(udev_enumerate);
+
+        printf("enumerate 'block'\n");
+        udev_enumerate = udev_enumerate_new(udev);
+        if (udev_enumerate == NULL)
+                return -1;
+        udev_enumerate_add_match_subsystem(udev_enumerate,"block");
+        udev_enumerate_add_match_is_initialized(udev_enumerate);
+        udev_enumerate_scan_devices(udev_enumerate);
+        test_enumerate_print_list(udev_enumerate);
+        udev_enumerate_unref(udev_enumerate);
+
+        printf("enumerate 'not block'\n");
+        udev_enumerate = udev_enumerate_new(udev);
+        if (udev_enumerate == NULL)
+                return -1;
+        udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block");
+        udev_enumerate_scan_devices(udev_enumerate);
+        test_enumerate_print_list(udev_enumerate);
+        udev_enumerate_unref(udev_enumerate);
+
+        printf("enumerate 'pci, mem, vc'\n");
+        udev_enumerate = udev_enumerate_new(udev);
+        if (udev_enumerate == NULL)
+                return -1;
+        udev_enumerate_add_match_subsystem(udev_enumerate, "pci");
+        udev_enumerate_add_match_subsystem(udev_enumerate, "mem");
+        udev_enumerate_add_match_subsystem(udev_enumerate, "vc");
+        udev_enumerate_scan_devices(udev_enumerate);
+        test_enumerate_print_list(udev_enumerate);
+        udev_enumerate_unref(udev_enumerate);
+
+        printf("enumerate 'subsystem'\n");
+        udev_enumerate = udev_enumerate_new(udev);
+        if (udev_enumerate == NULL)
+                return -1;
+        udev_enumerate_scan_subsystems(udev_enumerate);
+        test_enumerate_print_list(udev_enumerate);
+        udev_enumerate_unref(udev_enumerate);
+
+        printf("enumerate 'property IF_FS_*=filesystem'\n");
+        udev_enumerate = udev_enumerate_new(udev);
+        if (udev_enumerate == NULL)
+                return -1;
+        udev_enumerate_add_match_property(udev_enumerate, "ID_FS*", "filesystem");
+        udev_enumerate_scan_devices(udev_enumerate);
+        test_enumerate_print_list(udev_enumerate);
+        udev_enumerate_unref(udev_enumerate);
+        return 0;
 }
 
 int main(int argc, char *argv[])
 {
-	struct udev *udev = NULL;
-	static const struct option options[] = {
-		{ "syspath", required_argument, NULL, 'p' },
-		{ "subsystem", required_argument, NULL, 's' },
-		{ "debug", no_argument, NULL, 'd' },
-		{ "help", no_argument, NULL, 'h' },
-		{ "version", no_argument, NULL, 'V' },
-		{}
-	};
-	const char *syspath = "/devices/virtual/mem/null";
-	const char *subsystem = NULL;
-	char path[1024];
-	const char *str;
-
-	udev = udev_new();
-	printf("context: %p\n", udev);
-	if (udev == NULL) {
-		printf("no context\n");
-		return 1;
-	}
-	udev_set_log_fn(udev, log_fn);
-	printf("set log: %p\n", log_fn);
-
-	for (;;) {
-		int option;
-
-		option = getopt_long(argc, argv, "+p:s:dhV", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'p':
-			syspath = optarg;
-			break;
-		case 's':
-			subsystem = optarg;
-			break;
-		case 'd':
-			if (udev_get_log_priority(udev) < LOG_INFO)
-				udev_set_log_priority(udev, LOG_INFO);
-			break;
-		case 'h':
-			printf("--debug --syspath= --subsystem= --help\n");
-			goto out;
-		case 'V':
-			printf("%s\n", VERSION);
-			goto out;
-		default:
-			goto out;
-		}
-	}
-
-	str = udev_get_sys_path(udev);
-	printf("sys_path: '%s'\n", str);
-	str = udev_get_dev_path(udev);
-	printf("dev_path: '%s'\n", str);
-
-	/* add sys path if needed */
-	if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
-		snprintf(path, sizeof(path), "%s%s", udev_get_sys_path(udev), syspath);
-		syspath = path;
-	}
-
-	test_device(udev, syspath);
-	test_device_devnum(udev);
-	test_device_subsys_name(udev);
-	test_device_parents(udev, syspath);
-
-	test_enumerate(udev, subsystem);
-
-	test_queue(udev);
-
-	test_monitor(udev);
+        struct udev *udev = NULL;
+        static const struct option options[] = {
+                { "syspath", required_argument, NULL, 'p' },
+                { "subsystem", required_argument, NULL, 's' },
+                { "debug", no_argument, NULL, 'd' },
+                { "help", no_argument, NULL, 'h' },
+                { "version", no_argument, NULL, 'V' },
+                {}
+        };
+        const char *syspath = "/devices/virtual/mem/null";
+        const char *subsystem = NULL;
+        char path[1024];
+        const char *str;
+
+        udev = udev_new();
+        printf("context: %p\n", udev);
+        if (udev == NULL) {
+                printf("no context\n");
+                return 1;
+        }
+        udev_set_log_fn(udev, log_fn);
+        printf("set log: %p\n", log_fn);
+
+        for (;;) {
+                int option;
+
+                option = getopt_long(argc, argv, "+p:s:dhV", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'p':
+                        syspath = optarg;
+                        break;
+                case 's':
+                        subsystem = optarg;
+                        break;
+                case 'd':
+                        if (udev_get_log_priority(udev) < LOG_INFO)
+                                udev_set_log_priority(udev, LOG_INFO);
+                        break;
+                case 'h':
+                        printf("--debug --syspath= --subsystem= --help\n");
+                        goto out;
+                case 'V':
+                        printf("%s\n", VERSION);
+                        goto out;
+                default:
+                        goto out;
+                }
+        }
+
+        str = udev_get_sys_path(udev);
+        printf("sys_path: '%s'\n", str);
+        str = udev_get_dev_path(udev);
+        printf("dev_path: '%s'\n", str);
+
+        /* add sys path if needed */
+        if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
+                snprintf(path, sizeof(path), "%s%s", udev_get_sys_path(udev), syspath);
+                syspath = path;
+        }
+
+        test_device(udev, syspath);
+        test_device_devnum(udev);
+        test_device_subsys_name(udev);
+        test_device_parents(udev, syspath);
+
+        test_enumerate(udev, subsystem);
+
+        test_queue(udev);
+
+        test_monitor(udev);
 out:
-	udev_unref(udev);
-	return 0;
+        udev_unref(udev);
+        return 0;
 }
diff --git a/src/test-udev.c b/src/test-udev.c
index 8d5baf7f..c9712e97 100644
--- a/src/test-udev.c
+++ b/src/test-udev.c
@@ -31,91 +31,91 @@
 #include "udev.h"
 
 void udev_main_log(struct udev *udev, int priority,
-		   const char *file, int line, const char *fn,
-		   const char *format, va_list args) {}
+                   const char *file, int line, const char *fn,
+                   const char *format, va_list args) {}
 
 int main(int argc, char *argv[])
 {
-	struct udev *udev;
-	struct udev_event *event = NULL;
-	struct udev_device *dev = NULL;
-	struct udev_rules *rules = NULL;
-	char syspath[UTIL_PATH_SIZE];
-	const char *devpath;
-	const char *action;
-	sigset_t mask, sigmask_orig;
-	int err = -EINVAL;
-
-	udev = udev_new();
-	if (udev == NULL)
-		exit(1);
-	info(udev, "version %s\n", VERSION);
-	udev_selinux_init(udev);
-
-	sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
-
-	action = argv[1];
-	if (action == NULL) {
-		err(udev, "action missing\n");
-		goto out;
-	}
-
-	devpath = argv[2];
-	if (devpath == NULL) {
-		err(udev, "devpath missing\n");
-		goto out;
-	}
-
-	rules = udev_rules_new(udev, 1);
-
-	util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), devpath, NULL);
-	dev = udev_device_new_from_syspath(udev, syspath);
-	if (dev == NULL) {
-		info(udev, "unknown device '%s'\n", devpath);
-		goto out;
-	}
-
-	udev_device_set_action(dev, action);
-	event = udev_event_new(dev);
-
-	sigfillset(&mask);
-	sigprocmask(SIG_SETMASK, &mask, &sigmask_orig);
-	event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
-	if (event->fd_signal < 0) {
-		fprintf(stderr, "error creating signalfd\n");
-		goto out;
-	}
-
-	/* do what devtmpfs usually provides us */
-	if (udev_device_get_devnode(dev) != NULL) {
-		mode_t mode;
-
-		if (strcmp(udev_device_get_subsystem(dev), "block") == 0)
-			mode |= S_IFBLK;
-		else
-			mode |= S_IFCHR;
-
-		if (strcmp(action, "remove") != 0) {
-			util_create_path(udev, udev_device_get_devnode(dev));
-			mknod(udev_device_get_devnode(dev), mode, udev_device_get_devnum(dev));
-		} else {
-			unlink(udev_device_get_devnode(dev));
-			util_delete_path(udev, udev_device_get_devnode(dev));
-		}
-	}
-
-	err = udev_event_execute_rules(event, rules, &sigmask_orig);
-	if (err == 0)
-		udev_event_execute_run(event, NULL);
+        struct udev *udev;
+        struct udev_event *event = NULL;
+        struct udev_device *dev = NULL;
+        struct udev_rules *rules = NULL;
+        char syspath[UTIL_PATH_SIZE];
+        const char *devpath;
+        const char *action;
+        sigset_t mask, sigmask_orig;
+        int err = -EINVAL;
+
+        udev = udev_new();
+        if (udev == NULL)
+                exit(1);
+        info(udev, "version %s\n", VERSION);
+        udev_selinux_init(udev);
+
+        sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
+
+        action = argv[1];
+        if (action == NULL) {
+                err(udev, "action missing\n");
+                goto out;
+        }
+
+        devpath = argv[2];
+        if (devpath == NULL) {
+                err(udev, "devpath missing\n");
+                goto out;
+        }
+
+        rules = udev_rules_new(udev, 1);
+
+        util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), devpath, NULL);
+        dev = udev_device_new_from_syspath(udev, syspath);
+        if (dev == NULL) {
+                info(udev, "unknown device '%s'\n", devpath);
+                goto out;
+        }
+
+        udev_device_set_action(dev, action);
+        event = udev_event_new(dev);
+
+        sigfillset(&mask);
+        sigprocmask(SIG_SETMASK, &mask, &sigmask_orig);
+        event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
+        if (event->fd_signal < 0) {
+                fprintf(stderr, "error creating signalfd\n");
+                goto out;
+        }
+
+        /* do what devtmpfs usually provides us */
+        if (udev_device_get_devnode(dev) != NULL) {
+                mode_t mode;
+
+                if (strcmp(udev_device_get_subsystem(dev), "block") == 0)
+                        mode |= S_IFBLK;
+                else
+                        mode |= S_IFCHR;
+
+                if (strcmp(action, "remove") != 0) {
+                        util_create_path(udev, udev_device_get_devnode(dev));
+                        mknod(udev_device_get_devnode(dev), mode, udev_device_get_devnum(dev));
+                } else {
+                        unlink(udev_device_get_devnode(dev));
+                        util_delete_path(udev, udev_device_get_devnode(dev));
+                }
+        }
+
+        err = udev_event_execute_rules(event, rules, &sigmask_orig);
+        if (err == 0)
+                udev_event_execute_run(event, NULL);
 out:
-	if (event != NULL && event->fd_signal >= 0)
-		close(event->fd_signal);
-	udev_event_unref(event);
-	udev_device_unref(dev);
-	udev_rules_unref(rules);
-	udev_selinux_exit(udev);
-	udev_unref(udev);
-	if (err != 0)
-		return 1;
-	return 0;
+        if (event != NULL && event->fd_signal >= 0)
+                close(event->fd_signal);
+        udev_event_unref(event);
+        udev_device_unref(dev);
+        udev_rules_unref(rules);
+        udev_selinux_exit(udev);
+        udev_unref(udev);
+        if (err != 0)
+                return 1;
+        return 0;
 }
diff --git a/src/udev-builtin-blkid.c b/src/udev-builtin-blkid.c
index 0260c440..2056617d 100644
--- a/src/udev-builtin-blkid.c
+++ b/src/udev-builtin-blkid.c
@@ -33,175 +33,175 @@
 
 static void print_property(struct udev_device *dev, bool test, const char *name, const char *value)
 {
-	char s[265];
+        char s[265];
 
-	s[0] = '\0';
+        s[0] = '\0';
 
-	if (!strcmp(name, "TYPE")) {
-		udev_builtin_add_property(dev, test, "ID_FS_TYPE", value);
+        if (!strcmp(name, "TYPE")) {
+                udev_builtin_add_property(dev, test, "ID_FS_TYPE", value);
 
-	} else if (!strcmp(name, "USAGE")) {
-		udev_builtin_add_property(dev, test, "ID_FS_USAGE", value);
+        } else if (!strcmp(name, "USAGE")) {
+                udev_builtin_add_property(dev, test, "ID_FS_USAGE", value);
 
-	} else if (!strcmp(name, "VERSION")) {
-		udev_builtin_add_property(dev, test, "ID_FS_VERSION", value);
+        } else if (!strcmp(name, "VERSION")) {
+                udev_builtin_add_property(dev, test, "ID_FS_VERSION", value);
 
-	} else if (!strcmp(name, "UUID")) {
-		blkid_safe_string(value, s, sizeof(s));
-		udev_builtin_add_property(dev, test, "ID_FS_UUID", s);
-		blkid_encode_string(value, s, sizeof(s));
-		udev_builtin_add_property(dev, test, "ID_FS_UUID_ENC", s);
+        } else if (!strcmp(name, "UUID")) {
+                blkid_safe_string(value, s, sizeof(s));
+                udev_builtin_add_property(dev, test, "ID_FS_UUID", s);
+                blkid_encode_string(value, s, sizeof(s));
+                udev_builtin_add_property(dev, test, "ID_FS_UUID_ENC", s);
 
-	} else if (!strcmp(name, "UUID_SUB")) {
-		blkid_safe_string(value, s, sizeof(s));
-		udev_builtin_add_property(dev, test, "ID_FS_UUID_SUB", s);
-		blkid_encode_string(value, s, sizeof(s));
-		udev_builtin_add_property(dev, test, "ID_FS_UUID_SUB_ENC", s);
+        } else if (!strcmp(name, "UUID_SUB")) {
+                blkid_safe_string(value, s, sizeof(s));
+                udev_builtin_add_property(dev, test, "ID_FS_UUID_SUB", s);
+                blkid_encode_string(value, s, sizeof(s));
+                udev_builtin_add_property(dev, test, "ID_FS_UUID_SUB_ENC", s);
 
-	} else if (!strcmp(name, "LABEL")) {
-		blkid_safe_string(value, s, sizeof(s));
-		udev_builtin_add_property(dev, test, "ID_FS_LABEL", s);
-		blkid_encode_string(value, s, sizeof(s));
-		udev_builtin_add_property(dev, test, "ID_FS_LABEL_ENC", s);
+        } else if (!strcmp(name, "LABEL")) {
+                blkid_safe_string(value, s, sizeof(s));
+                udev_builtin_add_property(dev, test, "ID_FS_LABEL", s);
+                blkid_encode_string(value, s, sizeof(s));
+                udev_builtin_add_property(dev, test, "ID_FS_LABEL_ENC", s);
 
-	} else if (!strcmp(name, "PTTYPE")) {
-		udev_builtin_add_property(dev, test, "ID_PART_TABLE_TYPE", value);
+        } else if (!strcmp(name, "PTTYPE")) {
+                udev_builtin_add_property(dev, test, "ID_PART_TABLE_TYPE", value);
 
-	} else if (!strcmp(name, "PART_ENTRY_NAME")) {
-		blkid_encode_string(value, s, sizeof(s));
-		udev_builtin_add_property(dev, test, "PART_ENTRY_NAME", s);
+        } else if (!strcmp(name, "PART_ENTRY_NAME")) {
+                blkid_encode_string(value, s, sizeof(s));
+                udev_builtin_add_property(dev, test, "PART_ENTRY_NAME", s);
 
-	} else if (!strcmp(name, "PART_ENTRY_TYPE")) {
-		blkid_encode_string(value, s, sizeof(s));
-		udev_builtin_add_property(dev, test, "PART_ENTRY_TYPE", s);
+        } else if (!strcmp(name, "PART_ENTRY_TYPE")) {
+                blkid_encode_string(value, s, sizeof(s));
+                udev_builtin_add_property(dev, test, "PART_ENTRY_TYPE", s);
 
-	} else if (!strncmp(name, "PART_ENTRY_", 11)) {
-		util_strscpyl(s, sizeof(s), "ID_", name, NULL);
-		udev_builtin_add_property(dev, test, name, value);
-	}
+        } else if (!strncmp(name, "PART_ENTRY_", 11)) {
+                util_strscpyl(s, sizeof(s), "ID_", name, NULL);
+                udev_builtin_add_property(dev, test, name, value);
+        }
 }
 
 static int probe_superblocks(blkid_probe pr)
 {
-	struct stat st;
-	int rc;
+        struct stat st;
+        int rc;
 
-	if (fstat(blkid_probe_get_fd(pr), &st))
-		return -1;
+        if (fstat(blkid_probe_get_fd(pr), &st))
+                return -1;
 
-	blkid_probe_enable_partitions(pr, 1);
+        blkid_probe_enable_partitions(pr, 1);
 
-	if (!S_ISCHR(st.st_mode) && blkid_probe_get_size(pr) <= 1024 * 1440 &&
-	    blkid_probe_is_wholedisk(pr)) {
-		/*
-		 * check if the small disk is partitioned, if yes then
-		 * don't probe for filesystems.
-		 */
-		blkid_probe_enable_superblocks(pr, 0);
+        if (!S_ISCHR(st.st_mode) && blkid_probe_get_size(pr) <= 1024 * 1440 &&
+            blkid_probe_is_wholedisk(pr)) {
+                /*
+                 * check if the small disk is partitioned, if yes then
+                 * don't probe for filesystems.
+                 */
+                blkid_probe_enable_superblocks(pr, 0);
 
-		rc = blkid_do_fullprobe(pr);
-		if (rc < 0)
-			return rc;	/* -1 = error, 1 = nothing, 0 = succes */
+                rc = blkid_do_fullprobe(pr);
+                if (rc < 0)
+                        return rc;        /* -1 = error, 1 = nothing, 0 = succes */
 
-		if (blkid_probe_lookup_value(pr, "PTTYPE", NULL, NULL) == 0)
-			return 0;	/* partition table detected */
-	}
+                if (blkid_probe_lookup_value(pr, "PTTYPE", NULL, NULL) == 0)
+                        return 0;        /* partition table detected */
+        }
 
-	blkid_probe_set_partitions_flags(pr, BLKID_PARTS_ENTRY_DETAILS);
-	blkid_probe_enable_superblocks(pr, 1);
+        blkid_probe_set_partitions_flags(pr, BLKID_PARTS_ENTRY_DETAILS);
+        blkid_probe_enable_superblocks(pr, 1);
 
-	return blkid_do_safeprobe(pr);
+        return blkid_do_safeprobe(pr);
 }
 
 static int builtin_blkid(struct udev_device *dev, int argc, char *argv[], bool test)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	int64_t offset = 0;
-	bool noraid = false;
-	int fd = -1;
-	blkid_probe pr;
-	const char *data;
-	const char *name;
-	int nvals;
-	int i;
-	size_t len;
-	int err = 0;
-
-	static const struct option options[] = {
-		{ "offset", optional_argument, NULL, 'o' },
-		{ "noraid", no_argument, NULL, 'R' },
-		{}
-	};
-
-	for (;;) {
-		int option;
-
-		option = getopt_long(argc, argv, "oR", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'o':
-			offset = strtoull(optarg, NULL, 0);
-			break;
-		case 'R':
-			noraid = true;
-			break;
-		}
-	}
-
-	pr = blkid_new_probe();
-	if (!pr) {
-		err = -ENOMEM;
-		return EXIT_FAILURE;
-	}
-
-	blkid_probe_set_superblocks_flags(pr,
-		BLKID_SUBLKS_LABEL | BLKID_SUBLKS_UUID |
-		BLKID_SUBLKS_TYPE | BLKID_SUBLKS_SECTYPE |
-		BLKID_SUBLKS_USAGE | BLKID_SUBLKS_VERSION);
-
-	if (noraid)
-		blkid_probe_filter_superblocks_usage(pr, BLKID_FLTR_NOTIN, BLKID_USAGE_RAID);
-
-	fd = open(udev_device_get_devnode(dev), O_RDONLY|O_CLOEXEC);
-	if (fd < 0) {
-		fprintf(stderr, "error: %s: %m\n", udev_device_get_devnode(dev));
-		goto out;
-	}
-
-	err = blkid_probe_set_device(pr, fd, offset, 0);
-	if (err < 0)
-		goto out;
-
-	info(udev, "probe %s %sraid offset=%llu\n",
-	     udev_device_get_devnode(dev),
-	     noraid ? "no" : "", (unsigned long long) offset);
-
-	err = probe_superblocks(pr);
-	if (err < 0)
-		goto out;
-
-	nvals = blkid_probe_numof_values(pr);
-	for (i = 0; i < nvals; i++) {
-		if (blkid_probe_get_value(pr, i, &name, &data, &len))
-			continue;
-		len = strnlen((char *) data, len);
-		print_property(dev, test, name, (char *) data);
-	}
-
-	blkid_free_probe(pr);
+        struct udev *udev = udev_device_get_udev(dev);
+        int64_t offset = 0;
+        bool noraid = false;
+        int fd = -1;
+        blkid_probe pr;
+        const char *data;
+        const char *name;
+        int nvals;
+        int i;
+        size_t len;
+        int err = 0;
+
+        static const struct option options[] = {
+                { "offset", optional_argument, NULL, 'o' },
+                { "noraid", no_argument, NULL, 'R' },
+                {}
+        };
+
+        for (;;) {
+                int option;
+
+                option = getopt_long(argc, argv, "oR", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'o':
+                        offset = strtoull(optarg, NULL, 0);
+                        break;
+                case 'R':
+                        noraid = true;
+                        break;
+                }
+        }
+
+        pr = blkid_new_probe();
+        if (!pr) {
+                err = -ENOMEM;
+                return EXIT_FAILURE;
+        }
+
+        blkid_probe_set_superblocks_flags(pr,
+                BLKID_SUBLKS_LABEL | BLKID_SUBLKS_UUID |
+                BLKID_SUBLKS_TYPE | BLKID_SUBLKS_SECTYPE |
+                BLKID_SUBLKS_USAGE | BLKID_SUBLKS_VERSION);
+
+        if (noraid)
+                blkid_probe_filter_superblocks_usage(pr, BLKID_FLTR_NOTIN, BLKID_USAGE_RAID);
+
+        fd = open(udev_device_get_devnode(dev), O_RDONLY|O_CLOEXEC);
+        if (fd < 0) {
+                fprintf(stderr, "error: %s: %m\n", udev_device_get_devnode(dev));
+                goto out;
+        }
+
+        err = blkid_probe_set_device(pr, fd, offset, 0);
+        if (err < 0)
+                goto out;
+
+        info(udev, "probe %s %sraid offset=%llu\n",
+             udev_device_get_devnode(dev),
+             noraid ? "no" : "", (unsigned long long) offset);
+
+        err = probe_superblocks(pr);
+        if (err < 0)
+                goto out;
+
+        nvals = blkid_probe_numof_values(pr);
+        for (i = 0; i < nvals; i++) {
+                if (blkid_probe_get_value(pr, i, &name, &data, &len))
+                        continue;
+                len = strnlen((char *) data, len);
+                print_property(dev, test, name, (char *) data);
+        }
+
+        blkid_free_probe(pr);
 out:
-	if (fd > 0)
-		close(fd);
-	if (err < 0)
-		return EXIT_FAILURE;
-	return EXIT_SUCCESS;
+        if (fd > 0)
+                close(fd);
+        if (err < 0)
+                return EXIT_FAILURE;
+        return EXIT_SUCCESS;
 }
 
 const struct udev_builtin udev_builtin_blkid = {
-	.name = "blkid",
-	.cmd = builtin_blkid,
-	.help = "filesystem and partition probing",
-	.run_once = true,
+        .name = "blkid",
+        .cmd = builtin_blkid,
+        .help = "filesystem and partition probing",
+        .run_once = true,
 };
diff --git a/src/udev-builtin-firmware.c b/src/udev-builtin-firmware.c
index 6d03085a..d212c64b 100644
--- a/src/udev-builtin-firmware.c
+++ b/src/udev-builtin-firmware.c
@@ -29,140 +29,140 @@
 
 static bool set_loading(struct udev *udev, char *loadpath, const char *state)
 {
-	FILE *ldfile;
-
-	ldfile = fopen(loadpath, "we");
-	if (ldfile == NULL) {
-		err(udev, "error: can not open '%s'\n", loadpath);
-		return false;
-	};
-	fprintf(ldfile, "%s\n", state);
-	fclose(ldfile);
-	return true;
+        FILE *ldfile;
+
+        ldfile = fopen(loadpath, "we");
+        if (ldfile == NULL) {
+                err(udev, "error: can not open '%s'\n", loadpath);
+                return false;
+        };
+        fprintf(ldfile, "%s\n", state);
+        fclose(ldfile);
+        return true;
 }
 
 static bool copy_firmware(struct udev *udev, const char *source, const char *target, size_t size)
 {
-	char *buf;
-	FILE *fsource = NULL, *ftarget = NULL;
-	bool ret = false;
-
-	buf = malloc(size);
-	if (buf == NULL) {
-		err(udev,"No memory available to load firmware file");
-		return false;
-	}
-
-	info(udev, "writing '%s' (%zi) to '%s'\n", source, size, target);
-
-	fsource = fopen(source, "re");
-	if (fsource == NULL)
-		goto exit;
-	ftarget = fopen(target, "we");
-	if (ftarget == NULL)
-		goto exit;
-	if (fread(buf, size, 1, fsource) != 1)
-		goto exit;
-	if (fwrite(buf, size, 1, ftarget) == 1)
-		ret = true;
+        char *buf;
+        FILE *fsource = NULL, *ftarget = NULL;
+        bool ret = false;
+
+        buf = malloc(size);
+        if (buf == NULL) {
+                err(udev,"No memory available to load firmware file");
+                return false;
+        }
+
+        info(udev, "writing '%s' (%zi) to '%s'\n", source, size, target);
+
+        fsource = fopen(source, "re");
+        if (fsource == NULL)
+                goto exit;
+        ftarget = fopen(target, "we");
+        if (ftarget == NULL)
+                goto exit;
+        if (fread(buf, size, 1, fsource) != 1)
+                goto exit;
+        if (fwrite(buf, size, 1, ftarget) == 1)
+                ret = true;
 exit:
-	if (ftarget != NULL)
-		fclose(ftarget);
-	if (fsource != NULL)
-		fclose(fsource);
-	free(buf);
-	return ret;
+        if (ftarget != NULL)
+                fclose(ftarget);
+        if (fsource != NULL)
+                fclose(fsource);
+        free(buf);
+        return ret;
 }
 
 static int builtin_firmware(struct udev_device *dev, int argc, char *argv[], bool test)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	static const char *searchpath[] = { FIRMWARE_PATH };
-	char fwencpath[UTIL_PATH_SIZE];
-	char misspath[UTIL_PATH_SIZE];
-	char loadpath[UTIL_PATH_SIZE];
-	char datapath[UTIL_PATH_SIZE];
-	char fwpath[UTIL_PATH_SIZE];
-	const char *firmware;
-	FILE *fwfile;
-	struct utsname kernel;
-	struct stat statbuf;
-	unsigned int i;
-	int rc = EXIT_SUCCESS;
-
-	firmware = udev_device_get_property_value(dev, "FIRMWARE");
-	if (firmware == NULL) {
-		err(udev, "firmware parameter missing\n\n");
-		rc = EXIT_FAILURE;
-		goto exit;
-	}
-
-	/* lookup firmware file */
-	uname(&kernel);
-	for (i = 0; i < ARRAY_SIZE(searchpath); i++) {
-		util_strscpyl(fwpath, sizeof(fwpath), searchpath[i], kernel.release, "/", firmware, NULL);
-		dbg(udev, "trying %s\n", fwpath);
-		fwfile = fopen(fwpath, "re");
-		if (fwfile != NULL)
-			break;
-
-		util_strscpyl(fwpath, sizeof(fwpath), searchpath[i], firmware, NULL);
-		dbg(udev, "trying %s\n", fwpath);
-		fwfile = fopen(fwpath, "re");
-		if (fwfile != NULL)
-			break;
-	}
-
-	util_path_encode(firmware, fwencpath, sizeof(fwencpath));
-	util_strscpyl(misspath, sizeof(misspath), udev_get_run_path(udev), "/firmware-missing/", fwencpath, NULL);
-	util_strscpyl(loadpath, sizeof(loadpath), udev_device_get_syspath(dev), "/loading", NULL);
-
-	if (fwfile == NULL) {
-		int err;
-
-		/* This link indicates the missing firmware file and the associated device */
-		info(udev, "did not find firmware file '%s'\n", firmware);
-		do {
-			err = util_create_path(udev, misspath);
-			if (err != 0 && err != -ENOENT)
-				break;
-			err = symlink(udev_device_get_devpath(dev), misspath);
-			if (err != 0)
-				err = -errno;
-		} while (err == -ENOENT);
-		rc = EXIT_FAILURE;
-		set_loading(udev, loadpath, "-1");
-		goto exit;
-	}
-
-	if (stat(fwpath, &statbuf) < 0 || statbuf.st_size == 0) {
-		rc = EXIT_FAILURE;
-		goto exit;
-	}
-	if (unlink(misspath) == 0)
-		util_delete_path(udev, misspath);
-
-	if (!set_loading(udev, loadpath, "1"))
-		goto exit;
-
-	util_strscpyl(datapath, sizeof(datapath), udev_device_get_syspath(dev), "/data", NULL);
-	if (!copy_firmware(udev, fwpath, datapath, statbuf.st_size)) {
-		err(udev, "error sending firmware '%s' to device\n", firmware);
-		set_loading(udev, loadpath, "-1");
-		rc = EXIT_FAILURE;
-		goto exit;
-	};
-
-	set_loading(udev, loadpath, "0");
+        struct udev *udev = udev_device_get_udev(dev);
+        static const char *searchpath[] = { FIRMWARE_PATH };
+        char fwencpath[UTIL_PATH_SIZE];
+        char misspath[UTIL_PATH_SIZE];
+        char loadpath[UTIL_PATH_SIZE];
+        char datapath[UTIL_PATH_SIZE];
+        char fwpath[UTIL_PATH_SIZE];
+        const char *firmware;
+        FILE *fwfile;
+        struct utsname kernel;
+        struct stat statbuf;
+        unsigned int i;
+        int rc = EXIT_SUCCESS;
+
+        firmware = udev_device_get_property_value(dev, "FIRMWARE");
+        if (firmware == NULL) {
+                err(udev, "firmware parameter missing\n\n");
+                rc = EXIT_FAILURE;
+                goto exit;
+        }
+
+        /* lookup firmware file */
+        uname(&kernel);
+        for (i = 0; i < ARRAY_SIZE(searchpath); i++) {
+                util_strscpyl(fwpath, sizeof(fwpath), searchpath[i], kernel.release, "/", firmware, NULL);
+                dbg(udev, "trying %s\n", fwpath);
+                fwfile = fopen(fwpath, "re");
+                if (fwfile != NULL)
+                        break;
+
+                util_strscpyl(fwpath, sizeof(fwpath), searchpath[i], firmware, NULL);
+                dbg(udev, "trying %s\n", fwpath);
+                fwfile = fopen(fwpath, "re");
+                if (fwfile != NULL)
+                        break;
+        }
+
+        util_path_encode(firmware, fwencpath, sizeof(fwencpath));
+        util_strscpyl(misspath, sizeof(misspath), udev_get_run_path(udev), "/firmware-missing/", fwencpath, NULL);
+        util_strscpyl(loadpath, sizeof(loadpath), udev_device_get_syspath(dev), "/loading", NULL);
+
+        if (fwfile == NULL) {
+                int err;
+
+                /* This link indicates the missing firmware file and the associated device */
+                info(udev, "did not find firmware file '%s'\n", firmware);
+                do {
+                        err = util_create_path(udev, misspath);
+                        if (err != 0 && err != -ENOENT)
+                                break;
+                        err = symlink(udev_device_get_devpath(dev), misspath);
+                        if (err != 0)
+                                err = -errno;
+                } while (err == -ENOENT);
+                rc = EXIT_FAILURE;
+                set_loading(udev, loadpath, "-1");
+                goto exit;
+        }
+
+        if (stat(fwpath, &statbuf) < 0 || statbuf.st_size == 0) {
+                rc = EXIT_FAILURE;
+                goto exit;
+        }
+        if (unlink(misspath) == 0)
+                util_delete_path(udev, misspath);
+
+        if (!set_loading(udev, loadpath, "1"))
+                goto exit;
+
+        util_strscpyl(datapath, sizeof(datapath), udev_device_get_syspath(dev), "/data", NULL);
+        if (!copy_firmware(udev, fwpath, datapath, statbuf.st_size)) {
+                err(udev, "error sending firmware '%s' to device\n", firmware);
+                set_loading(udev, loadpath, "-1");
+                rc = EXIT_FAILURE;
+                goto exit;
+        };
+
+        set_loading(udev, loadpath, "0");
 exit:
-	if (fwfile)
-		fclose(fwfile);
-	return rc;
+        if (fwfile)
+                fclose(fwfile);
+        return rc;
 }
 
 const struct udev_builtin udev_builtin_firmware = {
-	.name = "firmware",
-	.cmd = builtin_firmware,
-	.help = "kernel firmware loader",
-	.run_once = true,
+        .name = "firmware",
+        .cmd = builtin_firmware,
+        .help = "kernel firmware loader",
+        .run_once = true,
 };
diff --git a/src/udev-builtin-hwdb.c b/src/udev-builtin-hwdb.c
index b6af4b6f..aa996f37 100644
--- a/src/udev-builtin-hwdb.c
+++ b/src/udev-builtin-hwdb.c
@@ -28,220 +28,220 @@
 #include "udev.h"
 
 static int get_id_attr(
-	struct udev_device *parent,
-	const char *name,
-	uint16_t *value) {
+        struct udev_device *parent,
+        const char *name,
+        uint16_t *value) {
 
-	const char *t;
-	unsigned u;
+        const char *t;
+        unsigned u;
 
-	if (!(t = udev_device_get_sysattr_value(parent, name))) {
-		fprintf(stderr, "%s lacks %s.\n", udev_device_get_syspath(parent), name);
-		return -1;
-	}
+        if (!(t = udev_device_get_sysattr_value(parent, name))) {
+                fprintf(stderr, "%s lacks %s.\n", udev_device_get_syspath(parent), name);
+                return -1;
+        }
 
-	if (!strncmp(t, "0x", 2))
-		t += 2;
+        if (!strncmp(t, "0x", 2))
+                t += 2;
 
-	if (sscanf(t, "%04x", &u) != 1 || u > 0xFFFFU) {
-		fprintf(stderr, "Failed to parse %s on %s.\n", name, udev_device_get_syspath(parent));
-		return -1;
-	}
+        if (sscanf(t, "%04x", &u) != 1 || u > 0xFFFFU) {
+                fprintf(stderr, "Failed to parse %s on %s.\n", name, udev_device_get_syspath(parent));
+                return -1;
+        }
 
-	*value = (uint16_t) u;
-	return 0;
+        *value = (uint16_t) u;
+        return 0;
 }
 
 static int get_vid_pid(
-	struct udev_device *parent,
-	const char *vendor_attr,
-	const char *product_attr,
-	uint16_t *vid,
-	uint16_t *pid) {
-
-	if (get_id_attr(parent, vendor_attr, vid) < 0)
-		return -1;
-	else if (*vid <= 0) {
-		fprintf(stderr, "Invalid vendor id.\n");
-		return -1;
-	}
-
-	if (get_id_attr(parent, product_attr, pid) < 0)
-		return -1;
-
-	return 0;
+        struct udev_device *parent,
+        const char *vendor_attr,
+        const char *product_attr,
+        uint16_t *vid,
+        uint16_t *pid) {
+
+        if (get_id_attr(parent, vendor_attr, vid) < 0)
+                return -1;
+        else if (*vid <= 0) {
+                fprintf(stderr, "Invalid vendor id.\n");
+                return -1;
+        }
+
+        if (get_id_attr(parent, product_attr, pid) < 0)
+                return -1;
+
+        return 0;
 }
 
 static void rstrip(char *n) {
-	size_t i;
+        size_t i;
 
-	for (i = strlen(n); i > 0 && isspace(n[i-1]); i--)
-		n[i-1] = 0;
+        for (i = strlen(n); i > 0 && isspace(n[i-1]); i--)
+                n[i-1] = 0;
 }
 
 #define HEXCHARS "0123456789abcdefABCDEF"
 #define WHITESPACE " \t\n\r"
 static int lookup_vid_pid(const char *database,
-			  uint16_t vid, uint16_t pid,
-			  char **vendor, char **product)
+                          uint16_t vid, uint16_t pid,
+                          char **vendor, char **product)
 {
 
-	FILE *f;
-	int ret = -1;
-	int found_vendor = 0;
-	char *line = NULL;
+        FILE *f;
+        int ret = -1;
+        int found_vendor = 0;
+        char *line = NULL;
 
-	*vendor = *product = NULL;
+        *vendor = *product = NULL;
 
-	if (!(f = fopen(database, "rme"))) {
-		fprintf(stderr, "Failed to open database file '%s': %s\n", database, strerror(errno));
-		return -1;
-	}
+        if (!(f = fopen(database, "rme"))) {
+                fprintf(stderr, "Failed to open database file '%s': %s\n", database, strerror(errno));
+                return -1;
+        }
 
-	for (;;) {
-		size_t n;
+        for (;;) {
+                size_t n;
 
-		if (getline(&line, &n, f) < 0)
-			break;
+                if (getline(&line, &n, f) < 0)
+                        break;
 
-		rstrip(line);
+                rstrip(line);
 
-		if (line[0] == '#' || line[0] == 0)
-			continue;
+                if (line[0] == '#' || line[0] == 0)
+                        continue;
 
-		if (strspn(line, HEXCHARS) == 4) {
-			unsigned u;
+                if (strspn(line, HEXCHARS) == 4) {
+                        unsigned u;
 
-			if (found_vendor)
-				break;
+                        if (found_vendor)
+                                break;
 
-			if (sscanf(line, "%04x", &u) == 1 && u == vid) {
-				char *t;
+                        if (sscanf(line, "%04x", &u) == 1 && u == vid) {
+                                char *t;
 
-				t = line+4;
-				t += strspn(t, WHITESPACE);
+                                t = line+4;
+                                t += strspn(t, WHITESPACE);
 
-				if (!(*vendor = strdup(t))) {
-					fprintf(stderr, "Out of memory.\n");
-					goto finish;
-				}
+                                if (!(*vendor = strdup(t))) {
+                                        fprintf(stderr, "Out of memory.\n");
+                                        goto finish;
+                                }
 
-				found_vendor = 1;
-			}
+                                found_vendor = 1;
+                        }
 
-			continue;
-		}
+                        continue;
+                }
 
-		if (found_vendor && line[0] == '\t' && strspn(line+1, HEXCHARS) == 4) {
-			unsigned u;
+                if (found_vendor && line[0] == '\t' && strspn(line+1, HEXCHARS) == 4) {
+                        unsigned u;
 
-			if (sscanf(line+1, "%04x", &u) == 1 && u == pid) {
-				char *t;
+                        if (sscanf(line+1, "%04x", &u) == 1 && u == pid) {
+                                char *t;
 
-				t = line+5;
-				t += strspn(t, WHITESPACE);
+                                t = line+5;
+                                t += strspn(t, WHITESPACE);
 
-				if (!(*product = strdup(t))) {
-					fprintf(stderr, "Out of memory.\n");
-					goto finish;
-				}
+                                if (!(*product = strdup(t))) {
+                                        fprintf(stderr, "Out of memory.\n");
+                                        goto finish;
+                                }
 
-				break;
-			}
-		}
-	}
+                                break;
+                        }
+                }
+        }
 
-	ret = 0;
+        ret = 0;
 
 finish:
-	free(line);
-	fclose(f);
+        free(line);
+        fclose(f);
 
-	if (ret < 0) {
-		free(*product);
-		free(*vendor);
+        if (ret < 0) {
+                free(*product);
+                free(*vendor);
 
-		*product = *vendor = NULL;
-	}
+                *product = *vendor = NULL;
+        }
 
-	return ret;
+        return ret;
 }
 
 static struct udev_device *find_device(struct udev_device *dev, const char *subsys, const char *devtype)
 {
-	const char *str;
-
-	str = udev_device_get_subsystem(dev);
-	if (str == NULL)
-		goto try_parent;
-	if (strcmp(str, subsys) != 0)
-		goto try_parent;
-
-	if (devtype != NULL) {
-		str = udev_device_get_devtype(dev);
-		if (str == NULL)
-			goto try_parent;
-		if (strcmp(str, devtype) != 0)
-			goto try_parent;
-	}
-	return dev;
+        const char *str;
+
+        str = udev_device_get_subsystem(dev);
+        if (str == NULL)
+                goto try_parent;
+        if (strcmp(str, subsys) != 0)
+                goto try_parent;
+
+        if (devtype != NULL) {
+                str = udev_device_get_devtype(dev);
+                if (str == NULL)
+                        goto try_parent;
+                if (strcmp(str, devtype) != 0)
+                        goto try_parent;
+        }
+        return dev;
 try_parent:
-	return udev_device_get_parent_with_subsystem_devtype(dev, subsys, devtype);
+        return udev_device_get_parent_with_subsystem_devtype(dev, subsys, devtype);
 }
 
 
 static int builtin_db(struct udev_device *dev, bool test,
-		      const char *database,
-		      const char *vendor_attr, const char *product_attr,
-		      const char *subsys, const char *devtype)
+                      const char *database,
+                      const char *vendor_attr, const char *product_attr,
+                      const char *subsys, const char *devtype)
 {
-	struct udev_device *parent;
-	uint16_t vid = 0, pid = 0;
-	char *vendor = NULL, *product = NULL;
+        struct udev_device *parent;
+        uint16_t vid = 0, pid = 0;
+        char *vendor = NULL, *product = NULL;
 
-	parent = find_device(dev, subsys, devtype);
-	if (!parent) {
-		fprintf(stderr, "Failed to find device.\n");
-		goto finish;
-	}
+        parent = find_device(dev, subsys, devtype);
+        if (!parent) {
+                fprintf(stderr, "Failed to find device.\n");
+                goto finish;
+        }
 
-	if (get_vid_pid(parent, vendor_attr, product_attr, &vid, &pid) < 0)
-		goto finish;
+        if (get_vid_pid(parent, vendor_attr, product_attr, &vid, &pid) < 0)
+                goto finish;
 
-	if (lookup_vid_pid(database, vid, pid, &vendor, &product) < 0)
-		goto finish;
+        if (lookup_vid_pid(database, vid, pid, &vendor, &product) < 0)
+                goto finish;
 
-	if (vendor)
-		udev_builtin_add_property(dev, test, "ID_VENDOR_FROM_DATABASE", vendor);
-	if (product)
-		udev_builtin_add_property(dev, test, "ID_MODEL_FROM_DATABASE", product);
+        if (vendor)
+                udev_builtin_add_property(dev, test, "ID_VENDOR_FROM_DATABASE", vendor);
+        if (product)
+                udev_builtin_add_property(dev, test, "ID_MODEL_FROM_DATABASE", product);
 
 finish:
-	free(vendor);
-	free(product);
-	return 0;
+        free(vendor);
+        free(product);
+        return 0;
 }
 
 static int builtin_usb_db(struct udev_device *dev, int argc, char *argv[], bool test)
 {
-	return builtin_db(dev, test, USB_DATABASE, "idVendor", "idProduct", "usb", "usb_device");
+        return builtin_db(dev, test, USB_DATABASE, "idVendor", "idProduct", "usb", "usb_device");
 }
 
 static int builtin_pci_db(struct udev_device *dev, int argc, char *argv[], bool test)
 {
-	return builtin_db(dev, test, PCI_DATABASE, "vendor", "device", "pci", NULL);
+        return builtin_db(dev, test, PCI_DATABASE, "vendor", "device", "pci", NULL);
 }
 
 const struct udev_builtin udev_builtin_usb_db = {
-	.name = "usb-db",
-	.cmd = builtin_usb_db,
-	.help = "USB vendor/product database",
-	.run_once = true,
+        .name = "usb-db",
+        .cmd = builtin_usb_db,
+        .help = "USB vendor/product database",
+        .run_once = true,
 };
 
 const struct udev_builtin udev_builtin_pci_db = {
-	.name = "pci-db",
-	.cmd = builtin_pci_db,
-	.help = "PCI vendor/product database",
-	.run_once = true,
+        .name = "pci-db",
+        .cmd = builtin_pci_db,
+        .help = "PCI vendor/product database",
+        .run_once = true,
 };
diff --git a/src/udev-builtin-input_id.c b/src/udev-builtin-input_id.c
index c0c42702..a062ef7c 100644
--- a/src/udev-builtin-input_id.c
+++ b/src/udev-builtin-input_id.c
@@ -45,174 +45,174 @@
  * @param bitmask: Output array which has a sizeof of bitmask_size
  */
 static void get_cap_mask(struct udev_device *dev,
-			 struct udev_device *pdev, const char* attr,
-			 unsigned long *bitmask, size_t bitmask_size,
-			 bool test)
+                         struct udev_device *pdev, const char* attr,
+                         unsigned long *bitmask, size_t bitmask_size,
+                         bool test)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	char text[4096];
-	unsigned i;
-	char* word;
-	unsigned long val;
-
-	snprintf(text, sizeof(text), "%s", udev_device_get_sysattr_value(pdev, attr));
-	info(udev, "%s raw kernel attribute: %s\n", attr, text);
-
-	memset (bitmask, 0, bitmask_size);
-	i = 0;
-	while ((word = strrchr(text, ' ')) != NULL) {
-		val = strtoul (word+1, NULL, 16);
-		if (i < bitmask_size/sizeof(unsigned long))
-			bitmask[i] = val;
-		else
-			info(udev, "ignoring %s block %lX which is larger than maximum size\n", attr, val);
-		*word = '\0';
-		++i;
-	}
-	val = strtoul (text, NULL, 16);
-	if (i < bitmask_size / sizeof(unsigned long))
-		bitmask[i] = val;
-	else
-		info(udev, "ignoring %s block %lX which is larger than maximum size\n", attr, val);
-
-	if (test) {
-		/* printf pattern with the right unsigned long number of hex chars */
-		snprintf(text, sizeof(text), "  bit %%4u: %%0%zilX\n", 2 * sizeof(unsigned long));
-		info(udev, "%s decoded bit map:\n", attr);
-		val = bitmask_size / sizeof (unsigned long);
-		/* skip over leading zeros */
-		while (bitmask[val-1] == 0 && val > 0)
-			--val;
-		for (i = 0; i < val; ++i)
-			info(udev, text, i * BITS_PER_LONG, bitmask[i]);
-	}
+        struct udev *udev = udev_device_get_udev(dev);
+        char text[4096];
+        unsigned i;
+        char* word;
+        unsigned long val;
+
+        snprintf(text, sizeof(text), "%s", udev_device_get_sysattr_value(pdev, attr));
+        info(udev, "%s raw kernel attribute: %s\n", attr, text);
+
+        memset (bitmask, 0, bitmask_size);
+        i = 0;
+        while ((word = strrchr(text, ' ')) != NULL) {
+                val = strtoul (word+1, NULL, 16);
+                if (i < bitmask_size/sizeof(unsigned long))
+                        bitmask[i] = val;
+                else
+                        info(udev, "ignoring %s block %lX which is larger than maximum size\n", attr, val);
+                *word = '\0';
+                ++i;
+        }
+        val = strtoul (text, NULL, 16);
+        if (i < bitmask_size / sizeof(unsigned long))
+                bitmask[i] = val;
+        else
+                info(udev, "ignoring %s block %lX which is larger than maximum size\n", attr, val);
+
+        if (test) {
+                /* printf pattern with the right unsigned long number of hex chars */
+                snprintf(text, sizeof(text), "  bit %%4u: %%0%zilX\n", 2 * sizeof(unsigned long));
+                info(udev, "%s decoded bit map:\n", attr);
+                val = bitmask_size / sizeof (unsigned long);
+                /* skip over leading zeros */
+                while (bitmask[val-1] == 0 && val > 0)
+                        --val;
+                for (i = 0; i < val; ++i)
+                        info(udev, text, i * BITS_PER_LONG, bitmask[i]);
+        }
 }
 
 /* pointer devices */
 static void test_pointers (struct udev_device *dev,
-			   const unsigned long* bitmask_ev,
-			   const unsigned long* bitmask_abs,
-			   const unsigned long* bitmask_key,
-			   const unsigned long* bitmask_rel,
-			   bool test)
+                           const unsigned long* bitmask_ev,
+                           const unsigned long* bitmask_abs,
+                           const unsigned long* bitmask_key,
+                           const unsigned long* bitmask_rel,
+                           bool test)
 {
-	int is_mouse = 0;
-	int is_touchpad = 0;
-
-	if (!test_bit (EV_KEY, bitmask_ev)) {
-		if (test_bit (EV_ABS, bitmask_ev) &&
-		    test_bit (ABS_X, bitmask_abs) &&
-		    test_bit (ABS_Y, bitmask_abs) &&
-		    test_bit (ABS_Z, bitmask_abs))
-			udev_builtin_add_property(dev, test, "ID_INPUT_ACCELEROMETER", "1");
-		return;
-	}
-
-	if (test_bit (EV_ABS, bitmask_ev) &&
-	    test_bit (ABS_X, bitmask_abs) && test_bit (ABS_Y, bitmask_abs)) {
-		if (test_bit (BTN_STYLUS, bitmask_key) || test_bit (BTN_TOOL_PEN, bitmask_key))
-			udev_builtin_add_property(dev, test, "ID_INPUT_TABLET", "1");
-		else if (test_bit (BTN_TOOL_FINGER, bitmask_key) && !test_bit (BTN_TOOL_PEN, bitmask_key))
-			is_touchpad = 1;
-		else if (test_bit (BTN_TRIGGER, bitmask_key) ||
-			 test_bit (BTN_A, bitmask_key) ||
-			 test_bit (BTN_1, bitmask_key))
-			udev_builtin_add_property(dev, test, "ID_INPUT_JOYSTICK", "1");
-		else if (test_bit (BTN_MOUSE, bitmask_key))
-			/* This path is taken by VMware's USB mouse, which has
-			 * absolute axes, but no touch/pressure button. */
-			is_mouse = 1;
-		else if (test_bit (BTN_TOUCH, bitmask_key))
-			udev_builtin_add_property(dev, test, "ID_INPUT_TOUCHSCREEN", "1");
-	}
-
-	if (test_bit (EV_REL, bitmask_ev) &&
-	    test_bit (REL_X, bitmask_rel) && test_bit (REL_Y, bitmask_rel) &&
-	    test_bit (BTN_MOUSE, bitmask_key))
-		is_mouse = 1;
-
-	if (is_mouse)
-		udev_builtin_add_property(dev, test, "ID_INPUT_MOUSE", "1");
-	if (is_touchpad)
-		udev_builtin_add_property(dev, test, "ID_INPUT_TOUCHPAD", "1");
+        int is_mouse = 0;
+        int is_touchpad = 0;
+
+        if (!test_bit (EV_KEY, bitmask_ev)) {
+                if (test_bit (EV_ABS, bitmask_ev) &&
+                    test_bit (ABS_X, bitmask_abs) &&
+                    test_bit (ABS_Y, bitmask_abs) &&
+                    test_bit (ABS_Z, bitmask_abs))
+                        udev_builtin_add_property(dev, test, "ID_INPUT_ACCELEROMETER", "1");
+                return;
+        }
+
+        if (test_bit (EV_ABS, bitmask_ev) &&
+            test_bit (ABS_X, bitmask_abs) && test_bit (ABS_Y, bitmask_abs)) {
+                if (test_bit (BTN_STYLUS, bitmask_key) || test_bit (BTN_TOOL_PEN, bitmask_key))
+                        udev_builtin_add_property(dev, test, "ID_INPUT_TABLET", "1");
+                else if (test_bit (BTN_TOOL_FINGER, bitmask_key) && !test_bit (BTN_TOOL_PEN, bitmask_key))
+                        is_touchpad = 1;
+                else if (test_bit (BTN_TRIGGER, bitmask_key) ||
+                         test_bit (BTN_A, bitmask_key) ||
+                         test_bit (BTN_1, bitmask_key))
+                        udev_builtin_add_property(dev, test, "ID_INPUT_JOYSTICK", "1");
+                else if (test_bit (BTN_MOUSE, bitmask_key))
+                        /* This path is taken by VMware's USB mouse, which has
+                         * absolute axes, but no touch/pressure button. */
+                        is_mouse = 1;
+                else if (test_bit (BTN_TOUCH, bitmask_key))
+                        udev_builtin_add_property(dev, test, "ID_INPUT_TOUCHSCREEN", "1");
+        }
+
+        if (test_bit (EV_REL, bitmask_ev) &&
+            test_bit (REL_X, bitmask_rel) && test_bit (REL_Y, bitmask_rel) &&
+            test_bit (BTN_MOUSE, bitmask_key))
+                is_mouse = 1;
+
+        if (is_mouse)
+                udev_builtin_add_property(dev, test, "ID_INPUT_MOUSE", "1");
+        if (is_touchpad)
+                udev_builtin_add_property(dev, test, "ID_INPUT_TOUCHPAD", "1");
 }
 
 /* key like devices */
 static void test_key (struct udev_device *dev,
-		      const unsigned long* bitmask_ev,
-		      const unsigned long* bitmask_key,
-		      bool test)
+                      const unsigned long* bitmask_ev,
+                      const unsigned long* bitmask_key,
+                      bool test)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	unsigned i;
-	unsigned long found;
-	unsigned long mask;
-
-	/* do we have any KEY_* capability? */
-	if (!test_bit (EV_KEY, bitmask_ev)) {
-		info(udev, "test_key: no EV_KEY capability\n");
-		return;
-	}
-
-	/* only consider KEY_* here, not BTN_* */
-	found = 0;
-	for (i = 0; i < BTN_MISC/BITS_PER_LONG; ++i) {
-		found |= bitmask_key[i];
-		info(udev, "test_key: checking bit block %lu for any keys; found=%i\n", i*BITS_PER_LONG, found > 0);
-	}
-	/* If there are no keys in the lower block, check the higher block */
-	if (!found) {
-		for (i = KEY_OK; i < BTN_TRIGGER_HAPPY; ++i) {
-			if (test_bit (i, bitmask_key)) {
-				info(udev, "test_key: Found key %x in high block\n", i);
-				found = 1;
-				break;
-			}
-		}
-	}
-
-	if (found > 0)
-		udev_builtin_add_property(dev, test, "ID_INPUT_KEY", "1");
-
-	/* the first 32 bits are ESC, numbers, and Q to D; if we have all of
-	 * those, consider it a full keyboard; do not test KEY_RESERVED, though */
-	mask = 0xFFFFFFFE;
-	if ((bitmask_key[0] & mask) == mask)
-		udev_builtin_add_property(dev, test, "ID_INPUT_KEYBOARD", "1");
+        struct udev *udev = udev_device_get_udev(dev);
+        unsigned i;
+        unsigned long found;
+        unsigned long mask;
+
+        /* do we have any KEY_* capability? */
+        if (!test_bit (EV_KEY, bitmask_ev)) {
+                info(udev, "test_key: no EV_KEY capability\n");
+                return;
+        }
+
+        /* only consider KEY_* here, not BTN_* */
+        found = 0;
+        for (i = 0; i < BTN_MISC/BITS_PER_LONG; ++i) {
+                found |= bitmask_key[i];
+                info(udev, "test_key: checking bit block %lu for any keys; found=%i\n", i*BITS_PER_LONG, found > 0);
+        }
+        /* If there are no keys in the lower block, check the higher block */
+        if (!found) {
+                for (i = KEY_OK; i < BTN_TRIGGER_HAPPY; ++i) {
+                        if (test_bit (i, bitmask_key)) {
+                                info(udev, "test_key: Found key %x in high block\n", i);
+                                found = 1;
+                                break;
+                        }
+                }
+        }
+
+        if (found > 0)
+                udev_builtin_add_property(dev, test, "ID_INPUT_KEY", "1");
+
+        /* the first 32 bits are ESC, numbers, and Q to D; if we have all of
+         * those, consider it a full keyboard; do not test KEY_RESERVED, though */
+        mask = 0xFFFFFFFE;
+        if ((bitmask_key[0] & mask) == mask)
+                udev_builtin_add_property(dev, test, "ID_INPUT_KEYBOARD", "1");
 }
 
 static int builtin_input_id(struct udev_device *dev, int argc, char *argv[], bool test)
 {
-	struct udev_device *pdev;
-	unsigned long bitmask_ev[NBITS(EV_MAX)];
-	unsigned long bitmask_abs[NBITS(ABS_MAX)];
-	unsigned long bitmask_key[NBITS(KEY_MAX)];
-	unsigned long bitmask_rel[NBITS(REL_MAX)];
-
-	/* walk up the parental chain until we find the real input device; the
-	 * argument is very likely a subdevice of this, like eventN */
-	pdev = dev;
-	while (pdev != NULL && udev_device_get_sysattr_value(pdev, "capabilities/ev") == NULL)
-		pdev = udev_device_get_parent_with_subsystem_devtype(pdev, "input", NULL);
-
-	/* not an "input" class device */
-	if (pdev == NULL)
-		return EXIT_SUCCESS;
-
-	/* Use this as a flag that input devices were detected, so that this
-	 * program doesn't need to be called more than once per device */
-	udev_builtin_add_property(dev, test, "ID_INPUT", "1");
-	get_cap_mask(dev, pdev, "capabilities/ev", bitmask_ev, sizeof(bitmask_ev), test);
-	get_cap_mask(dev, pdev, "capabilities/abs", bitmask_abs, sizeof(bitmask_abs), test);
-	get_cap_mask(dev, pdev, "capabilities/rel", bitmask_rel, sizeof(bitmask_rel), test);
-	get_cap_mask(dev, pdev, "capabilities/key", bitmask_key, sizeof(bitmask_key), test);
-	test_pointers(dev, bitmask_ev, bitmask_abs, bitmask_key, bitmask_rel, test);
-	test_key(dev, bitmask_ev, bitmask_key, test);
-	return EXIT_SUCCESS;
+        struct udev_device *pdev;
+        unsigned long bitmask_ev[NBITS(EV_MAX)];
+        unsigned long bitmask_abs[NBITS(ABS_MAX)];
+        unsigned long bitmask_key[NBITS(KEY_MAX)];
+        unsigned long bitmask_rel[NBITS(REL_MAX)];
+
+        /* walk up the parental chain until we find the real input device; the
+         * argument is very likely a subdevice of this, like eventN */
+        pdev = dev;
+        while (pdev != NULL && udev_device_get_sysattr_value(pdev, "capabilities/ev") == NULL)
+                pdev = udev_device_get_parent_with_subsystem_devtype(pdev, "input", NULL);
+
+        /* not an "input" class device */
+        if (pdev == NULL)
+                return EXIT_SUCCESS;
+
+        /* Use this as a flag that input devices were detected, so that this
+         * program doesn't need to be called more than once per device */
+        udev_builtin_add_property(dev, test, "ID_INPUT", "1");
+        get_cap_mask(dev, pdev, "capabilities/ev", bitmask_ev, sizeof(bitmask_ev), test);
+        get_cap_mask(dev, pdev, "capabilities/abs", bitmask_abs, sizeof(bitmask_abs), test);
+        get_cap_mask(dev, pdev, "capabilities/rel", bitmask_rel, sizeof(bitmask_rel), test);
+        get_cap_mask(dev, pdev, "capabilities/key", bitmask_key, sizeof(bitmask_key), test);
+        test_pointers(dev, bitmask_ev, bitmask_abs, bitmask_key, bitmask_rel, test);
+        test_key(dev, bitmask_ev, bitmask_key, test);
+        return EXIT_SUCCESS;
 }
 
 const struct udev_builtin udev_builtin_input_id = {
-	.name = "input_id",
-	.cmd = builtin_input_id,
-	.help = "input device properties",
+        .name = "input_id",
+        .cmd = builtin_input_id,
+        .help = "input device properties",
 };
diff --git a/src/udev-builtin-kmod.c b/src/udev-builtin-kmod.c
index 68536f17..d0a1f28e 100644
--- a/src/udev-builtin-kmod.c
+++ b/src/udev-builtin-kmod.c
@@ -35,114 +35,114 @@ static struct kmod_ctx *ctx;
 
 static int load_module(struct udev *udev, const char *alias)
 {
-	struct kmod_list *list = NULL;
-	struct kmod_list *listb = NULL;
-	struct kmod_list *l;
-	int err;
-
-	err = kmod_module_new_from_lookup(ctx, alias, &list);
-	if (err < 0)
-		return err;
-
-	err = kmod_module_get_filtered_blacklist(ctx, list, &listb);
-	if (err < 0)
-		return err;
-
-	if (list == NULL)
-		info(udev, "no module matches '%s'\n", alias);
-	else if (listb == NULL)
-		info(udev, "modules matching '%s' are blacklisted\n", alias);
-
-	kmod_list_foreach(l, listb) {
-		struct kmod_module *mod = kmod_module_get_module(l);
-
-		err = kmod_module_probe_insert_module(mod, 0, NULL, NULL, NULL);
-		if (err >=0 )
-			info(udev, "inserted '%s'\n", kmod_module_get_name(mod));
-		else
-			info(udev, "failed to insert '%s'\n", kmod_module_get_name(mod));
-
-		kmod_module_unref(mod);
-	}
-
-	kmod_module_unref_list(list);
-	kmod_module_unref_list(listb);
-	return err;
+        struct kmod_list *list = NULL;
+        struct kmod_list *listb = NULL;
+        struct kmod_list *l;
+        int err;
+
+        err = kmod_module_new_from_lookup(ctx, alias, &list);
+        if (err < 0)
+                return err;
+
+        err = kmod_module_get_filtered_blacklist(ctx, list, &listb);
+        if (err < 0)
+                return err;
+
+        if (list == NULL)
+                info(udev, "no module matches '%s'\n", alias);
+        else if (listb == NULL)
+                info(udev, "modules matching '%s' are blacklisted\n", alias);
+
+        kmod_list_foreach(l, listb) {
+                struct kmod_module *mod = kmod_module_get_module(l);
+
+                err = kmod_module_probe_insert_module(mod, 0, NULL, NULL, NULL);
+                if (err >=0 )
+                        info(udev, "inserted '%s'\n", kmod_module_get_name(mod));
+                else
+                        info(udev, "failed to insert '%s'\n", kmod_module_get_name(mod));
+
+                kmod_module_unref(mod);
+        }
+
+        kmod_module_unref_list(list);
+        kmod_module_unref_list(listb);
+        return err;
 }
 
 static void udev_kmod_log(void *data, int priority, const char *file, int line,
-			  const char *fn, const char *format, va_list args)
+                          const char *fn, const char *format, va_list args)
 {
-	udev_main_log(data, priority, file, line, fn, format, args);
+        udev_main_log(data, priority, file, line, fn, format, args);
 }
 
 /* needs to re-instantiate the context after a reload */
 static int builtin_kmod(struct udev_device *dev, int argc, char *argv[], bool test)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	int i;
-
-	if (!ctx) {
-		ctx = kmod_new(NULL, NULL);
-		if (!ctx)
-			return -ENOMEM;
-
-		info(udev, "load module index\n");
-		kmod_set_log_fn(ctx, udev_kmod_log, udev);
-		kmod_load_resources(ctx);
-	}
-
-	if (argc < 3 || strcmp(argv[1], "load")) {
-		err(udev, "expect: %s load <module>\n", argv[0]);
-		return EXIT_FAILURE;
-	}
-
-	for (i = 2; argv[i]; i++) {
-		info(udev, "execute '%s' '%s'\n", argv[1], argv[i]);
-		load_module(udev, argv[i]);
-	}
-
-	return EXIT_SUCCESS;
+        struct udev *udev = udev_device_get_udev(dev);
+        int i;
+
+        if (!ctx) {
+                ctx = kmod_new(NULL, NULL);
+                if (!ctx)
+                        return -ENOMEM;
+
+                info(udev, "load module index\n");
+                kmod_set_log_fn(ctx, udev_kmod_log, udev);
+                kmod_load_resources(ctx);
+        }
+
+        if (argc < 3 || strcmp(argv[1], "load")) {
+                err(udev, "expect: %s load <module>\n", argv[0]);
+                return EXIT_FAILURE;
+        }
+
+        for (i = 2; argv[i]; i++) {
+                info(udev, "execute '%s' '%s'\n", argv[1], argv[i]);
+                load_module(udev, argv[i]);
+        }
+
+        return EXIT_SUCCESS;
 }
 
 /* called at udev startup */
 static int builtin_kmod_init(struct udev *udev)
 {
-	if (ctx)
-		return 0;
+        if (ctx)
+                return 0;
 
-	ctx = kmod_new(NULL, NULL);
-	if (!ctx)
-		return -ENOMEM;
+        ctx = kmod_new(NULL, NULL);
+        if (!ctx)
+                return -ENOMEM;
 
-	info(udev, "load module index\n");
-	kmod_set_log_fn(ctx, udev_kmod_log, udev);
-	kmod_load_resources(ctx);
-	return 0;
+        info(udev, "load module index\n");
+        kmod_set_log_fn(ctx, udev_kmod_log, udev);
+        kmod_load_resources(ctx);
+        return 0;
 }
 
 /* called on udev shutdown and reload request */
 static void builtin_kmod_exit(struct udev *udev)
 {
-	info(udev, "unload module index\n");
-	ctx = kmod_unref(ctx);
+        info(udev, "unload module index\n");
+        ctx = kmod_unref(ctx);
 }
 
 /* called every couple of seconds during event activity; 'true' if config has changed */
 static bool builtin_kmod_validate(struct udev *udev)
 {
-	info(udev, "validate module index\n");
-	if (kmod_validate_resources(ctx) != KMOD_RESOURCES_OK)
-		return true;
-	return false;
+        info(udev, "validate module index\n");
+        if (kmod_validate_resources(ctx) != KMOD_RESOURCES_OK)
+                return true;
+        return false;
 }
 
 const struct udev_builtin udev_builtin_kmod = {
-	.name = "kmod",
-	.cmd = builtin_kmod,
-	.init = builtin_kmod_init,
-	.exit = builtin_kmod_exit,
-	.validate = builtin_kmod_validate,
-	.help = "kernel module loader",
-	.run_once = false,
+        .name = "kmod",
+        .cmd = builtin_kmod,
+        .init = builtin_kmod_init,
+        .exit = builtin_kmod_exit,
+        .validate = builtin_kmod_validate,
+        .help = "kernel module loader",
+        .run_once = false,
 };
diff --git a/src/udev-builtin-path_id.c b/src/udev-builtin-path_id.c
index 049e89b2..fa4d6fb5 100644
--- a/src/udev-builtin-path_id.c
+++ b/src/udev-builtin-path_id.c
@@ -34,30 +34,30 @@
 
 static int path_prepend(char **path, const char *fmt, ...)
 {
-	va_list va;
-	char *pre;
-	int err = 0;
-
-	va_start(va, fmt);
-	err = vasprintf(&pre, fmt, va);
-	va_end(va);
-	if (err < 0)
-		goto out;
-
-	if (*path != NULL) {
-		char *new;
-
-		err = asprintf(&new, "%s-%s", pre, *path);
-		free(pre);
-		if (err < 0)
-			goto out;
-		free(*path);
-		*path = new;
-	} else {
-		*path = pre;
-	}
+        va_list va;
+        char *pre;
+        int err = 0;
+
+        va_start(va, fmt);
+        err = vasprintf(&pre, fmt, va);
+        va_end(va);
+        if (err < 0)
+                goto out;
+
+        if (*path != NULL) {
+                char *new;
+
+                err = asprintf(&new, "%s-%s", pre, *path);
+                free(pre);
+                if (err < 0)
+                        goto out;
+                free(*path);
+                *path = new;
+        } else {
+                *path = pre;
+        }
 out:
-	return err;
+        return err;
 }
 
 /*
@@ -66,422 +66,422 @@ out:
 */
 static int format_lun_number(struct udev_device *dev, char **path)
 {
-	unsigned long lun = strtoul(udev_device_get_sysnum(dev), NULL, 10);
+        unsigned long lun = strtoul(udev_device_get_sysnum(dev), NULL, 10);
 
-	/* address method 0, peripheral device addressing with bus id of zero */
-	if (lun < 256)
-		return path_prepend(path, "lun-%d", lun);
-	/* handle all other lun addressing methods by using a variant of the original lun format */
-	return path_prepend(path, "lun-0x%04x%04x00000000", (lun & 0xffff), (lun >> 16) & 0xffff);
+        /* address method 0, peripheral device addressing with bus id of zero */
+        if (lun < 256)
+                return path_prepend(path, "lun-%d", lun);
+        /* handle all other lun addressing methods by using a variant of the original lun format */
+        return path_prepend(path, "lun-0x%04x%04x00000000", (lun & 0xffff), (lun >> 16) & 0xffff);
 }
 
 static struct udev_device *skip_subsystem(struct udev_device *dev, const char *subsys)
 {
-	struct udev_device *parent = dev;
-
-	while (parent != NULL) {
-		const char *subsystem;
-
-		subsystem = udev_device_get_subsystem(parent);
-		if (subsystem == NULL || strcmp(subsystem, subsys) != 0)
-			break;
-		dev = parent;
-		parent = udev_device_get_parent(parent);
-	}
-	return dev;
+        struct udev_device *parent = dev;
+
+        while (parent != NULL) {
+                const char *subsystem;
+
+                subsystem = udev_device_get_subsystem(parent);
+                if (subsystem == NULL || strcmp(subsystem, subsys) != 0)
+                        break;
+                dev = parent;
+                parent = udev_device_get_parent(parent);
+        }
+        return dev;
 }
 
 static struct udev_device *handle_scsi_fibre_channel(struct udev_device *parent, char **path)
 {
-	struct udev *udev  = udev_device_get_udev(parent);
-	struct udev_device *targetdev;
-	struct udev_device *fcdev = NULL;
-	const char *port;
-	char *lun = NULL;;
-
-	targetdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_target");
-	if (targetdev == NULL)
-		return NULL;
-
-	fcdev = udev_device_new_from_subsystem_sysname(udev, "fc_transport", udev_device_get_sysname(targetdev));
-	if (fcdev == NULL)
-		return NULL;
-	port = udev_device_get_sysattr_value(fcdev, "port_name");
-	if (port == NULL) {
-		parent = NULL;
-		goto out;
-	}
-
-	format_lun_number(parent, &lun);
-	path_prepend(path, "fc-%s-%s", port, lun);
-	if (lun)
-		free(lun);
+        struct udev *udev  = udev_device_get_udev(parent);
+        struct udev_device *targetdev;
+        struct udev_device *fcdev = NULL;
+        const char *port;
+        char *lun = NULL;;
+
+        targetdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_target");
+        if (targetdev == NULL)
+                return NULL;
+
+        fcdev = udev_device_new_from_subsystem_sysname(udev, "fc_transport", udev_device_get_sysname(targetdev));
+        if (fcdev == NULL)
+                return NULL;
+        port = udev_device_get_sysattr_value(fcdev, "port_name");
+        if (port == NULL) {
+                parent = NULL;
+                goto out;
+        }
+
+        format_lun_number(parent, &lun);
+        path_prepend(path, "fc-%s-%s", port, lun);
+        if (lun)
+                free(lun);
 out:
-	udev_device_unref(fcdev);
-	return parent;
+        udev_device_unref(fcdev);
+        return parent;
 }
 
 static struct udev_device *handle_scsi_sas(struct udev_device *parent, char **path)
 {
-	struct udev *udev  = udev_device_get_udev(parent);
-	struct udev_device *targetdev;
-	struct udev_device *target_parent;
-	struct udev_device *sasdev;
-	const char *sas_address;
-	char *lun = NULL;
-
-	targetdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_target");
-	if (targetdev == NULL)
-		return NULL;
-
-	target_parent = udev_device_get_parent(targetdev);
-	if (target_parent == NULL)
-		return NULL;
-
-	sasdev = udev_device_new_from_subsystem_sysname(udev, "sas_device",
-				udev_device_get_sysname(target_parent));
-	if (sasdev == NULL)
-		return NULL;
-
-	sas_address = udev_device_get_sysattr_value(sasdev, "sas_address");
-	if (sas_address == NULL) {
-		parent = NULL;
-		goto out;
-	}
-
-	format_lun_number(parent, &lun);
-	path_prepend(path, "sas-%s-%s", sas_address, lun);
-	if (lun)
-		free(lun);
+        struct udev *udev  = udev_device_get_udev(parent);
+        struct udev_device *targetdev;
+        struct udev_device *target_parent;
+        struct udev_device *sasdev;
+        const char *sas_address;
+        char *lun = NULL;
+
+        targetdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_target");
+        if (targetdev == NULL)
+                return NULL;
+
+        target_parent = udev_device_get_parent(targetdev);
+        if (target_parent == NULL)
+                return NULL;
+
+        sasdev = udev_device_new_from_subsystem_sysname(udev, "sas_device",
+                                udev_device_get_sysname(target_parent));
+        if (sasdev == NULL)
+                return NULL;
+
+        sas_address = udev_device_get_sysattr_value(sasdev, "sas_address");
+        if (sas_address == NULL) {
+                parent = NULL;
+                goto out;
+        }
+
+        format_lun_number(parent, &lun);
+        path_prepend(path, "sas-%s-%s", sas_address, lun);
+        if (lun)
+                free(lun);
 out:
-	udev_device_unref(sasdev);
-	return parent;
+        udev_device_unref(sasdev);
+        return parent;
 }
 
 static struct udev_device *handle_scsi_iscsi(struct udev_device *parent, char **path)
 {
-	struct udev *udev  = udev_device_get_udev(parent);
-	struct udev_device *transportdev;
-	struct udev_device *sessiondev = NULL;
-	const char *target;
-	char *connname;
-	struct udev_device *conndev = NULL;
-	const char *addr;
-	const char *port;
-	char *lun = NULL;
-
-	/* find iscsi session */
-	transportdev = parent;
-	for (;;) {
-		transportdev = udev_device_get_parent(transportdev);
-		if (transportdev == NULL)
-			return NULL;
-		if (strncmp(udev_device_get_sysname(transportdev), "session", 7) == 0)
-			break;
-	}
-
-	/* find iscsi session device */
-	sessiondev = udev_device_new_from_subsystem_sysname(udev, "iscsi_session", udev_device_get_sysname(transportdev));
-	if (sessiondev == NULL)
-		return NULL;
-	target = udev_device_get_sysattr_value(sessiondev, "targetname");
-	if (target == NULL) {
-		parent = NULL;
-		goto out;
-	}
-
-	if (asprintf(&connname, "connection%s:0", udev_device_get_sysnum(transportdev)) < 0) {
-		parent = NULL;
-		goto out;
-	}
-	conndev = udev_device_new_from_subsystem_sysname(udev, "iscsi_connection", connname);
-	free(connname);
-	if (conndev == NULL) {
-		parent = NULL;
-		goto out;
-	}
-	addr = udev_device_get_sysattr_value(conndev, "persistent_address");
-	port = udev_device_get_sysattr_value(conndev, "persistent_port");
-	if (addr == NULL || port == NULL) {
-		parent = NULL;
-		goto out;
-	}
-
-	format_lun_number(parent, &lun);
-	path_prepend(path, "ip-%s:%s-iscsi-%s-%s", addr, port, target, lun);
-	if (lun)
-		free(lun);
+        struct udev *udev  = udev_device_get_udev(parent);
+        struct udev_device *transportdev;
+        struct udev_device *sessiondev = NULL;
+        const char *target;
+        char *connname;
+        struct udev_device *conndev = NULL;
+        const char *addr;
+        const char *port;
+        char *lun = NULL;
+
+        /* find iscsi session */
+        transportdev = parent;
+        for (;;) {
+                transportdev = udev_device_get_parent(transportdev);
+                if (transportdev == NULL)
+                        return NULL;
+                if (strncmp(udev_device_get_sysname(transportdev), "session", 7) == 0)
+                        break;
+        }
+
+        /* find iscsi session device */
+        sessiondev = udev_device_new_from_subsystem_sysname(udev, "iscsi_session", udev_device_get_sysname(transportdev));
+        if (sessiondev == NULL)
+                return NULL;
+        target = udev_device_get_sysattr_value(sessiondev, "targetname");
+        if (target == NULL) {
+                parent = NULL;
+                goto out;
+        }
+
+        if (asprintf(&connname, "connection%s:0", udev_device_get_sysnum(transportdev)) < 0) {
+                parent = NULL;
+                goto out;
+        }
+        conndev = udev_device_new_from_subsystem_sysname(udev, "iscsi_connection", connname);
+        free(connname);
+        if (conndev == NULL) {
+                parent = NULL;
+                goto out;
+        }
+        addr = udev_device_get_sysattr_value(conndev, "persistent_address");
+        port = udev_device_get_sysattr_value(conndev, "persistent_port");
+        if (addr == NULL || port == NULL) {
+                parent = NULL;
+                goto out;
+        }
+
+        format_lun_number(parent, &lun);
+        path_prepend(path, "ip-%s:%s-iscsi-%s-%s", addr, port, target, lun);
+        if (lun)
+                free(lun);
 out:
-	udev_device_unref(sessiondev);
-	udev_device_unref(conndev);
-	return parent;
+        udev_device_unref(sessiondev);
+        udev_device_unref(conndev);
+        return parent;
 }
 
 static struct udev_device *handle_scsi_default(struct udev_device *parent, char **path)
 {
-	struct udev_device *hostdev;
-	int host, bus, target, lun;
-	const char *name;
-	char *base;
-	char *pos;
-	DIR *dir;
-	struct dirent *dent;
-	int basenum;
-
-	hostdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_host");
-	if (hostdev == NULL)
-		return NULL;
-
-	name = udev_device_get_sysname(parent);
-	if (sscanf(name, "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4)
-		return NULL;
-
-	/* rebase host offset to get the local relative number */
-	basenum = -1;
-	base = strdup(udev_device_get_syspath(hostdev));
-	if (base == NULL)
-		return NULL;
-	pos = strrchr(base, '/');
-	if (pos == NULL) {
-		parent = NULL;
-		goto out;
-	}
-	pos[0] = '\0';
-	dir = opendir(base);
-	if (dir == NULL) {
-		parent = NULL;
-		goto out;
-	}
-	for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-		char *rest;
-		int i;
-
-		if (dent->d_name[0] == '.')
-			continue;
-		if (dent->d_type != DT_DIR && dent->d_type != DT_LNK)
-			continue;
-		if (strncmp(dent->d_name, "host", 4) != 0)
-			continue;
-		i = strtoul(&dent->d_name[4], &rest, 10);
-		if (rest[0] != '\0')
-			continue;
-		if (basenum == -1 || i < basenum)
-			basenum = i;
-	}
-	closedir(dir);
-	if (basenum == -1) {
-		parent = NULL;
-		goto out;
-	}
-	host -= basenum;
-
-	path_prepend(path, "scsi-%u:%u:%u:%u", host, bus, target, lun);
+        struct udev_device *hostdev;
+        int host, bus, target, lun;
+        const char *name;
+        char *base;
+        char *pos;
+        DIR *dir;
+        struct dirent *dent;
+        int basenum;
+
+        hostdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_host");
+        if (hostdev == NULL)
+                return NULL;
+
+        name = udev_device_get_sysname(parent);
+        if (sscanf(name, "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4)
+                return NULL;
+
+        /* rebase host offset to get the local relative number */
+        basenum = -1;
+        base = strdup(udev_device_get_syspath(hostdev));
+        if (base == NULL)
+                return NULL;
+        pos = strrchr(base, '/');
+        if (pos == NULL) {
+                parent = NULL;
+                goto out;
+        }
+        pos[0] = '\0';
+        dir = opendir(base);
+        if (dir == NULL) {
+                parent = NULL;
+                goto out;
+        }
+        for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
+                char *rest;
+                int i;
+
+                if (dent->d_name[0] == '.')
+                        continue;
+                if (dent->d_type != DT_DIR && dent->d_type != DT_LNK)
+                        continue;
+                if (strncmp(dent->d_name, "host", 4) != 0)
+                        continue;
+                i = strtoul(&dent->d_name[4], &rest, 10);
+                if (rest[0] != '\0')
+                        continue;
+                if (basenum == -1 || i < basenum)
+                        basenum = i;
+        }
+        closedir(dir);
+        if (basenum == -1) {
+                parent = NULL;
+                goto out;
+        }
+        host -= basenum;
+
+        path_prepend(path, "scsi-%u:%u:%u:%u", host, bus, target, lun);
 out:
-	free(base);
-	return hostdev;
+        free(base);
+        return hostdev;
 }
 
 static struct udev_device *handle_scsi(struct udev_device *parent, char **path)
 {
-	const char *devtype;
-	const char *name;
-	const char *id;
-
-	devtype = udev_device_get_devtype(parent);
-	if (devtype == NULL || strcmp(devtype, "scsi_device") != 0)
-		return parent;
-
-	/* firewire */
-	id = udev_device_get_sysattr_value(parent, "ieee1394_id");
-	if (id != NULL) {
-		parent = skip_subsystem(parent, "scsi");
-		path_prepend(path, "ieee1394-0x%s", id);
-		goto out;
-	}
-
-	/* lousy scsi sysfs does not have a "subsystem" for the transport */
-	name = udev_device_get_syspath(parent);
-
-	if (strstr(name, "/rport-") != NULL) {
-		parent = handle_scsi_fibre_channel(parent, path);
-		goto out;
-	}
-
-	if (strstr(name, "/end_device-") != NULL) {
-		parent = handle_scsi_sas(parent, path);
-		goto out;
-	}
-
-	if (strstr(name, "/session") != NULL) {
-		parent = handle_scsi_iscsi(parent, path);
-		goto out;
-	}
-
-	parent = handle_scsi_default(parent, path);
+        const char *devtype;
+        const char *name;
+        const char *id;
+
+        devtype = udev_device_get_devtype(parent);
+        if (devtype == NULL || strcmp(devtype, "scsi_device") != 0)
+                return parent;
+
+        /* firewire */
+        id = udev_device_get_sysattr_value(parent, "ieee1394_id");
+        if (id != NULL) {
+                parent = skip_subsystem(parent, "scsi");
+                path_prepend(path, "ieee1394-0x%s", id);
+                goto out;
+        }
+
+        /* lousy scsi sysfs does not have a "subsystem" for the transport */
+        name = udev_device_get_syspath(parent);
+
+        if (strstr(name, "/rport-") != NULL) {
+                parent = handle_scsi_fibre_channel(parent, path);
+                goto out;
+        }
+
+        if (strstr(name, "/end_device-") != NULL) {
+                parent = handle_scsi_sas(parent, path);
+                goto out;
+        }
+
+        if (strstr(name, "/session") != NULL) {
+                parent = handle_scsi_iscsi(parent, path);
+                goto out;
+        }
+
+        parent = handle_scsi_default(parent, path);
 out:
-	return parent;
+        return parent;
 }
 
 static void handle_scsi_tape(struct udev_device *dev, char **path)
 {
-	const char *name;
+        const char *name;
 
-	/* must be the last device in the syspath */
-	if (*path != NULL)
-		return;
+        /* must be the last device in the syspath */
+        if (*path != NULL)
+                return;
 
-	name = udev_device_get_sysname(dev);
-	if (strncmp(name, "nst", 3) == 0 && strchr("lma", name[3]) != NULL)
-		path_prepend(path, "nst%c", name[3]);
-	else if (strncmp(name, "st", 2) == 0 && strchr("lma", name[2]) != NULL)
-		path_prepend(path, "st%c", name[2]);
+        name = udev_device_get_sysname(dev);
+        if (strncmp(name, "nst", 3) == 0 && strchr("lma", name[3]) != NULL)
+                path_prepend(path, "nst%c", name[3]);
+        else if (strncmp(name, "st", 2) == 0 && strchr("lma", name[2]) != NULL)
+                path_prepend(path, "st%c", name[2]);
 }
 
 static struct udev_device *handle_usb(struct udev_device *parent, char **path)
 {
-	const char *devtype;
-	const char *str;
-	const char *port;
-
-	devtype = udev_device_get_devtype(parent);
-	if (devtype == NULL)
-		return parent;
-	if (strcmp(devtype, "usb_interface") != 0 && strcmp(devtype, "usb_device") != 0)
-		return parent;
-
-	str = udev_device_get_sysname(parent);
-	port = strchr(str, '-');
-	if (port == NULL)
-		return parent;
-	port++;
-
-	parent = skip_subsystem(parent, "usb");
-	path_prepend(path, "usb-0:%s", port);
-	return parent;
+        const char *devtype;
+        const char *str;
+        const char *port;
+
+        devtype = udev_device_get_devtype(parent);
+        if (devtype == NULL)
+                return parent;
+        if (strcmp(devtype, "usb_interface") != 0 && strcmp(devtype, "usb_device") != 0)
+                return parent;
+
+        str = udev_device_get_sysname(parent);
+        port = strchr(str, '-');
+        if (port == NULL)
+                return parent;
+        port++;
+
+        parent = skip_subsystem(parent, "usb");
+        path_prepend(path, "usb-0:%s", port);
+        return parent;
 }
 
 static struct udev_device *handle_cciss(struct udev_device *parent, char **path)
 {
-	return NULL;
+        return NULL;
 }
 
 static struct udev_device *handle_ccw(struct udev_device *parent, struct udev_device *dev, char **path)
 {
-	struct udev_device *scsi_dev;
-
-	scsi_dev = udev_device_get_parent_with_subsystem_devtype(dev, "scsi", "scsi_device");
-	if (scsi_dev != NULL) {
-		const char *wwpn;
-		const char *lun;
-		const char *hba_id;
-
-		hba_id = udev_device_get_sysattr_value(scsi_dev, "hba_id");
-		wwpn = udev_device_get_sysattr_value(scsi_dev, "wwpn");
-		lun = udev_device_get_sysattr_value(scsi_dev, "fcp_lun");
-		if (hba_id != NULL && lun != NULL && wwpn != NULL) {
-			path_prepend(path, "ccw-%s-zfcp-%s:%s", hba_id, wwpn, lun);
-			goto out;
-		}
-	}
-
-	path_prepend(path, "ccw-%s", udev_device_get_sysname(parent));
+        struct udev_device *scsi_dev;
+
+        scsi_dev = udev_device_get_parent_with_subsystem_devtype(dev, "scsi", "scsi_device");
+        if (scsi_dev != NULL) {
+                const char *wwpn;
+                const char *lun;
+                const char *hba_id;
+
+                hba_id = udev_device_get_sysattr_value(scsi_dev, "hba_id");
+                wwpn = udev_device_get_sysattr_value(scsi_dev, "wwpn");
+                lun = udev_device_get_sysattr_value(scsi_dev, "fcp_lun");
+                if (hba_id != NULL && lun != NULL && wwpn != NULL) {
+                        path_prepend(path, "ccw-%s-zfcp-%s:%s", hba_id, wwpn, lun);
+                        goto out;
+                }
+        }
+
+        path_prepend(path, "ccw-%s", udev_device_get_sysname(parent));
 out:
-	parent = skip_subsystem(parent, "ccw");
-	return parent;
+        parent = skip_subsystem(parent, "ccw");
+        return parent;
 }
 
 static int builtin_path_id(struct udev_device *dev, int argc, char *argv[], bool test)
 {
-	struct udev_device *parent;
-	char *path = NULL;
-
-	/* S390 ccw bus */
-	parent = udev_device_get_parent_with_subsystem_devtype(dev, "ccw", NULL);
-	if (parent != NULL) {
-		handle_ccw(parent, dev, &path);
-		goto out;
-	}
-
-	/* walk up the chain of devices and compose path */
-	parent = dev;
-	while (parent != NULL) {
-		const char *subsys;
-
-		subsys = udev_device_get_subsystem(parent);
-		if (subsys == NULL) {
-			;
-		} else if (strcmp(subsys, "scsi_tape") == 0) {
-			handle_scsi_tape(parent, &path);
-		} else if (strcmp(subsys, "scsi") == 0) {
-			parent = handle_scsi(parent, &path);
-		} else if (strcmp(subsys, "cciss") == 0) {
-			handle_cciss(parent, &path);
-		} else if (strcmp(subsys, "usb") == 0) {
-			parent = handle_usb(parent, &path);
-		} else if (strcmp(subsys, "serio") == 0) {
-			path_prepend(&path, "serio-%s", udev_device_get_sysnum(parent));
-			parent = skip_subsystem(parent, "serio");
-		} else if (strcmp(subsys, "pci") == 0) {
-			path_prepend(&path, "pci-%s", udev_device_get_sysname(parent));
-			parent = skip_subsystem(parent, "pci");
-		} else if (strcmp(subsys, "platform") == 0) {
-			path_prepend(&path, "platform-%s", udev_device_get_sysname(parent));
-			parent = skip_subsystem(parent, "platform");
-		} else if (strcmp(subsys, "acpi") == 0) {
-			path_prepend(&path, "acpi-%s", udev_device_get_sysname(parent));
-			parent = skip_subsystem(parent, "acpi");
-		} else if (strcmp(subsys, "xen") == 0) {
-			path_prepend(&path, "xen-%s", udev_device_get_sysname(parent));
-			parent = skip_subsystem(parent, "xen");
-		} else if (strcmp(subsys, "virtio") == 0) {
-			path_prepend(&path, "virtio-pci-%s", udev_device_get_sysname(parent));
-			parent = skip_subsystem(parent, "virtio");
-		}
-
-		parent = udev_device_get_parent(parent);
-	}
+        struct udev_device *parent;
+        char *path = NULL;
+
+        /* S390 ccw bus */
+        parent = udev_device_get_parent_with_subsystem_devtype(dev, "ccw", NULL);
+        if (parent != NULL) {
+                handle_ccw(parent, dev, &path);
+                goto out;
+        }
+
+        /* walk up the chain of devices and compose path */
+        parent = dev;
+        while (parent != NULL) {
+                const char *subsys;
+
+                subsys = udev_device_get_subsystem(parent);
+                if (subsys == NULL) {
+                        ;
+                } else if (strcmp(subsys, "scsi_tape") == 0) {
+                        handle_scsi_tape(parent, &path);
+                } else if (strcmp(subsys, "scsi") == 0) {
+                        parent = handle_scsi(parent, &path);
+                } else if (strcmp(subsys, "cciss") == 0) {
+                        handle_cciss(parent, &path);
+                } else if (strcmp(subsys, "usb") == 0) {
+                        parent = handle_usb(parent, &path);
+                } else if (strcmp(subsys, "serio") == 0) {
+                        path_prepend(&path, "serio-%s", udev_device_get_sysnum(parent));
+                        parent = skip_subsystem(parent, "serio");
+                } else if (strcmp(subsys, "pci") == 0) {
+                        path_prepend(&path, "pci-%s", udev_device_get_sysname(parent));
+                        parent = skip_subsystem(parent, "pci");
+                } else if (strcmp(subsys, "platform") == 0) {
+                        path_prepend(&path, "platform-%s", udev_device_get_sysname(parent));
+                        parent = skip_subsystem(parent, "platform");
+                } else if (strcmp(subsys, "acpi") == 0) {
+                        path_prepend(&path, "acpi-%s", udev_device_get_sysname(parent));
+                        parent = skip_subsystem(parent, "acpi");
+                } else if (strcmp(subsys, "xen") == 0) {
+                        path_prepend(&path, "xen-%s", udev_device_get_sysname(parent));
+                        parent = skip_subsystem(parent, "xen");
+                } else if (strcmp(subsys, "virtio") == 0) {
+                        path_prepend(&path, "virtio-pci-%s", udev_device_get_sysname(parent));
+                        parent = skip_subsystem(parent, "virtio");
+                }
+
+                parent = udev_device_get_parent(parent);
+        }
 out:
-	if (path != NULL) {
-		char tag[UTIL_NAME_SIZE];
-		size_t i;
-		const char *p;
-
-		/* compose valid udev tag name */
-		for (p = path, i = 0; *p; p++) {
-			if ((*p >= '0' && *p <= '9') ||
-			    (*p >= 'A' && *p <= 'Z') ||
-			    (*p >= 'a' && *p <= 'z') ||
-			    *p == '-') {
-				tag[i++] = *p;
-				continue;
-			}
-
-			/* skip all leading '_' */
-			if (i == 0)
-				continue;
-
-			/* avoid second '_' */
-			if (tag[i-1] == '_')
-				continue;
-
-			tag[i++] = '_';
-		}
-		/* strip trailing '_' */
-		while (i > 0 && tag[i-1] == '_')
-			i--;
-		tag[i] = '\0';
-
-		udev_builtin_add_property(dev, test, "ID_PATH", path);
-		udev_builtin_add_property(dev, test, "ID_PATH_TAG", tag);
-		free(path);
-		return EXIT_SUCCESS;
-	}
-	return EXIT_FAILURE;
+        if (path != NULL) {
+                char tag[UTIL_NAME_SIZE];
+                size_t i;
+                const char *p;
+
+                /* compose valid udev tag name */
+                for (p = path, i = 0; *p; p++) {
+                        if ((*p >= '0' && *p <= '9') ||
+                            (*p >= 'A' && *p <= 'Z') ||
+                            (*p >= 'a' && *p <= 'z') ||
+                            *p == '-') {
+                                tag[i++] = *p;
+                                continue;
+                        }
+
+                        /* skip all leading '_' */
+                        if (i == 0)
+                                continue;
+
+                        /* avoid second '_' */
+                        if (tag[i-1] == '_')
+                                continue;
+
+                        tag[i++] = '_';
+                }
+                /* strip trailing '_' */
+                while (i > 0 && tag[i-1] == '_')
+                        i--;
+                tag[i] = '\0';
+
+                udev_builtin_add_property(dev, test, "ID_PATH", path);
+                udev_builtin_add_property(dev, test, "ID_PATH_TAG", tag);
+                free(path);
+                return EXIT_SUCCESS;
+        }
+        return EXIT_FAILURE;
 }
 
 const struct udev_builtin udev_builtin_path_id = {
-	.name = "path_id",
-	.cmd = builtin_path_id,
-	.help = "compose persistent device path",
-	.run_once = true,
+        .name = "path_id",
+        .cmd = builtin_path_id,
+        .help = "compose persistent device path",
+        .run_once = true,
 };
diff --git a/src/udev-builtin-usb_id.c b/src/udev-builtin-usb_id.c
index 21c3c03d..85828e32 100644
--- a/src/udev-builtin-usb_id.c
+++ b/src/udev-builtin-usb_id.c
@@ -33,193 +33,193 @@
 
 static void set_usb_iftype(char *to, int if_class_num, size_t len)
 {
-	char *type = "generic";
-
-	switch (if_class_num) {
-	case 1:
-		type = "audio";
-		break;
-	case 2: /* CDC-Control */
-		break;
-	case 3:
-		type = "hid";
-		break;
-	case 5: /* Physical */
-		break;
-	case 6:
-		type = "media";
-		break;
-	case 7:
-		type = "printer";
-		break;
-	case 8:
-		type = "storage";
-		break;
-	case 9:
-		type = "hub";
-		break;
-	case 0x0a: /* CDC-Data */
-		break;
-	case 0x0b: /* Chip/Smart Card */
-		break;
-	case 0x0d: /* Content Security */
-		break;
-	case 0x0e:
-		type = "video";
-		break;
-	case 0xdc: /* Diagnostic Device */
-		break;
-	case 0xe0: /* Wireless Controller */
-		break;
-	case 0xfe: /* Application-specific */
-		break;
-	case 0xff: /* Vendor-specific */
-		break;
-	default:
-		break;
-	}
-	strncpy(to, type, len);
-	to[len-1] = '\0';
+        char *type = "generic";
+
+        switch (if_class_num) {
+        case 1:
+                type = "audio";
+                break;
+        case 2: /* CDC-Control */
+                break;
+        case 3:
+                type = "hid";
+                break;
+        case 5: /* Physical */
+                break;
+        case 6:
+                type = "media";
+                break;
+        case 7:
+                type = "printer";
+                break;
+        case 8:
+                type = "storage";
+                break;
+        case 9:
+                type = "hub";
+                break;
+        case 0x0a: /* CDC-Data */
+                break;
+        case 0x0b: /* Chip/Smart Card */
+                break;
+        case 0x0d: /* Content Security */
+                break;
+        case 0x0e:
+                type = "video";
+                break;
+        case 0xdc: /* Diagnostic Device */
+                break;
+        case 0xe0: /* Wireless Controller */
+                break;
+        case 0xfe: /* Application-specific */
+                break;
+        case 0xff: /* Vendor-specific */
+                break;
+        default:
+                break;
+        }
+        strncpy(to, type, len);
+        to[len-1] = '\0';
 }
 
 static int set_usb_mass_storage_ifsubtype(char *to, const char *from, size_t len)
 {
-	int type_num = 0;
-	char *eptr;
-	char *type = "generic";
-
-	type_num = strtoul(from, &eptr, 0);
-	if (eptr != from) {
-		switch (type_num) {
-		case 2:
-			type = "atapi";
-			break;
-		case 3:
-			type = "tape";
-			break;
-		case 4: /* UFI */
-		case 5: /* SFF-8070i */
-			type = "floppy";
-			break;
-		case 1: /* RBC devices */
-			type = "rbc";
-			break;
-		case 6: /* Transparent SPC-2 devices */
-			type = "scsi";
-			break;
-		default:
-			break;
-		}
-	}
-	util_strscpy(to, len, type);
-	return type_num;
+        int type_num = 0;
+        char *eptr;
+        char *type = "generic";
+
+        type_num = strtoul(from, &eptr, 0);
+        if (eptr != from) {
+                switch (type_num) {
+                case 2:
+                        type = "atapi";
+                        break;
+                case 3:
+                        type = "tape";
+                        break;
+                case 4: /* UFI */
+                case 5: /* SFF-8070i */
+                        type = "floppy";
+                        break;
+                case 1: /* RBC devices */
+                        type = "rbc";
+                        break;
+                case 6: /* Transparent SPC-2 devices */
+                        type = "scsi";
+                        break;
+                default:
+                        break;
+                }
+        }
+        util_strscpy(to, len, type);
+        return type_num;
 }
 
 static void set_scsi_type(char *to, const char *from, size_t len)
 {
-	int type_num;
-	char *eptr;
-	char *type = "generic";
-
-	type_num = strtoul(from, &eptr, 0);
-	if (eptr != from) {
-		switch (type_num) {
-		case 0:
-		case 0xe:
-			type = "disk";
-			break;
-		case 1:
-			type = "tape";
-			break;
-		case 4:
-		case 7:
-		case 0xf:
-			type = "optical";
-			break;
-		case 5:
-			type = "cd";
-			break;
-		default:
-			break;
-		}
-	}
-	util_strscpy(to, len, type);
+        int type_num;
+        char *eptr;
+        char *type = "generic";
+
+        type_num = strtoul(from, &eptr, 0);
+        if (eptr != from) {
+                switch (type_num) {
+                case 0:
+                case 0xe:
+                        type = "disk";
+                        break;
+                case 1:
+                        type = "tape";
+                        break;
+                case 4:
+                case 7:
+                case 0xf:
+                        type = "optical";
+                        break;
+                case 5:
+                        type = "cd";
+                        break;
+                default:
+                        break;
+                }
+        }
+        util_strscpy(to, len, type);
 }
 
-#define USB_DT_DEVICE			0x01
-#define USB_DT_INTERFACE		0x04
+#define USB_DT_DEVICE                        0x01
+#define USB_DT_INTERFACE                0x04
 
 static int dev_if_packed_info(struct udev_device *dev, char *ifs_str, size_t len)
 {
-	char *filename = NULL;
-	int fd;
-	ssize_t size;
-	unsigned char buf[18 + 65535];
-	unsigned int pos, strpos;
-	struct usb_interface_descriptor {
-		u_int8_t	bLength;
-		u_int8_t	bDescriptorType;
-		u_int8_t	bInterfaceNumber;
-		u_int8_t	bAlternateSetting;
-		u_int8_t	bNumEndpoints;
-		u_int8_t	bInterfaceClass;
-		u_int8_t	bInterfaceSubClass;
-		u_int8_t	bInterfaceProtocol;
-		u_int8_t	iInterface;
-	} __attribute__((packed));
-	int err = 0;
-
-	if (asprintf(&filename, "%s/descriptors", udev_device_get_syspath(dev)) < 0) {
-		err = -1;
-		goto out;
-	}
-	fd = open(filename, O_RDONLY|O_CLOEXEC);
-	if (fd < 0) {
-		fprintf(stderr, "error opening USB device 'descriptors' file\n");
-		err = -1;
-		goto out;
-	}
-	size = read(fd, buf, sizeof(buf));
-	close(fd);
-	if (size < 18 || size == sizeof(buf)) {
-		err = -1;
-		goto out;
-	}
-
-	pos = 0;
-	strpos = 0;
-	ifs_str[0] = '\0';
-	while (pos < sizeof(buf) && strpos+7 < len-2) {
-		struct usb_interface_descriptor *desc;
-		char if_str[8];
-
-		desc = (struct usb_interface_descriptor *) &buf[pos];
-		if (desc->bLength < 3)
-			break;
-		pos += desc->bLength;
-
-		if (desc->bDescriptorType != USB_DT_INTERFACE)
-			continue;
-
-		if (snprintf(if_str, 8, ":%02x%02x%02x",
-			     desc->bInterfaceClass,
-			     desc->bInterfaceSubClass,
-			     desc->bInterfaceProtocol) != 7)
-			continue;
-
-		if (strstr(ifs_str, if_str) != NULL)
-			continue;
-
-		memcpy(&ifs_str[strpos], if_str, 8),
-		strpos += 7;
-	}
-	if (strpos > 0) {
-		ifs_str[strpos++] = ':';
-		ifs_str[strpos++] = '\0';
-	}
+        char *filename = NULL;
+        int fd;
+        ssize_t size;
+        unsigned char buf[18 + 65535];
+        unsigned int pos, strpos;
+        struct usb_interface_descriptor {
+                u_int8_t        bLength;
+                u_int8_t        bDescriptorType;
+                u_int8_t        bInterfaceNumber;
+                u_int8_t        bAlternateSetting;
+                u_int8_t        bNumEndpoints;
+                u_int8_t        bInterfaceClass;
+                u_int8_t        bInterfaceSubClass;
+                u_int8_t        bInterfaceProtocol;
+                u_int8_t        iInterface;
+        } __attribute__((packed));
+        int err = 0;
+
+        if (asprintf(&filename, "%s/descriptors", udev_device_get_syspath(dev)) < 0) {
+                err = -1;
+                goto out;
+        }
+        fd = open(filename, O_RDONLY|O_CLOEXEC);
+        if (fd < 0) {
+                fprintf(stderr, "error opening USB device 'descriptors' file\n");
+                err = -1;
+                goto out;
+        }
+        size = read(fd, buf, sizeof(buf));
+        close(fd);
+        if (size < 18 || size == sizeof(buf)) {
+                err = -1;
+                goto out;
+        }
+
+        pos = 0;
+        strpos = 0;
+        ifs_str[0] = '\0';
+        while (pos < sizeof(buf) && strpos+7 < len-2) {
+                struct usb_interface_descriptor *desc;
+                char if_str[8];
+
+                desc = (struct usb_interface_descriptor *) &buf[pos];
+                if (desc->bLength < 3)
+                        break;
+                pos += desc->bLength;
+
+                if (desc->bDescriptorType != USB_DT_INTERFACE)
+                        continue;
+
+                if (snprintf(if_str, 8, ":%02x%02x%02x",
+                             desc->bInterfaceClass,
+                             desc->bInterfaceSubClass,
+                             desc->bInterfaceProtocol) != 7)
+                        continue;
+
+                if (strstr(ifs_str, if_str) != NULL)
+                        continue;
+
+                memcpy(&ifs_str[strpos], if_str, 8),
+                strpos += 7;
+        }
+        if (strpos > 0) {
+                ifs_str[strpos++] = ':';
+                ifs_str[strpos++] = '\0';
+        }
 out:
-	free(filename);
-	return err;
+        free(filename);
+        return err;
 }
 
 /*
@@ -241,242 +241,242 @@ out:
  */
 static int builtin_usb_id(struct udev_device *dev, int argc, char *argv[], bool test)
 {
-	char vendor_str[64];
-	char vendor_str_enc[256];
-	const char *vendor_id;
-	char model_str[64];
-	char model_str_enc[256];
-	const char *product_id;
-	char serial_str[UTIL_NAME_SIZE];
-	char packed_if_str[UTIL_NAME_SIZE];
-	char revision_str[64];
-	char type_str[64];
-	char instance_str[64];
-	const char *ifnum = NULL;
-	const char *driver = NULL;
-	char serial[256];
-
-	struct udev *udev = udev_device_get_udev(dev);
-	struct udev_device *dev_interface = NULL;
-	struct udev_device *dev_usb = NULL;
-	const char *if_class, *if_subclass;
-	int if_class_num;
-	int protocol = 0;
-	size_t l;
-	char *s;
-
-	vendor_str[0] = '\0';
-	model_str[0] = '\0';
-	serial_str[0] = '\0';
-	packed_if_str[0] = '\0';
-	revision_str[0] = '\0';
-	type_str[0] = '\0';
-	instance_str[0] = '\0';
-
-	dbg(udev, "syspath %s\n", udev_device_get_syspath(dev));
-
-	/* shortcut, if we are called directly for a "usb_device" type */
-	if (udev_device_get_devtype(dev) != NULL && strcmp(udev_device_get_devtype(dev), "usb_device") == 0) {
-		dev_if_packed_info(dev, packed_if_str, sizeof(packed_if_str));
-		dev_usb = dev;
-		goto fallback;
-	}
-
-	/* usb interface directory */
-	dev_interface = udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_interface");
-	if (dev_interface == NULL) {
-		info(udev, "unable to access usb_interface device of '%s'\n",
-		     udev_device_get_syspath(dev));
-		return EXIT_FAILURE;
-	}
-
-	ifnum = udev_device_get_sysattr_value(dev_interface, "bInterfaceNumber");
-	driver = udev_device_get_sysattr_value(dev_interface, "driver");
-
-	if_class = udev_device_get_sysattr_value(dev_interface, "bInterfaceClass");
-	if (!if_class) {
-		info(udev, "%s: cannot get bInterfaceClass attribute\n",
-		     udev_device_get_sysname(dev));
-		return EXIT_FAILURE;
-	}
-
-	if_class_num = strtoul(if_class, NULL, 16);
-	if (if_class_num == 8) {
-		/* mass storage */
-		if_subclass = udev_device_get_sysattr_value(dev_interface, "bInterfaceSubClass");
-		if (if_subclass != NULL)
-			protocol = set_usb_mass_storage_ifsubtype(type_str, if_subclass, sizeof(type_str)-1);
-	} else {
-		set_usb_iftype(type_str, if_class_num, sizeof(type_str)-1);
-	}
-
-	info(udev, "%s: if_class %d protocol %d\n",
-	     udev_device_get_syspath(dev_interface), if_class_num, protocol);
-
-	/* usb device directory */
-	dev_usb = udev_device_get_parent_with_subsystem_devtype(dev_interface, "usb", "usb_device");
-	if (!dev_usb) {
-		info(udev, "unable to find parent 'usb' device of '%s'\n",
-		     udev_device_get_syspath(dev));
-		return EXIT_FAILURE;
-	}
-
-	/* all interfaces of the device in a single string */
-	dev_if_packed_info(dev_usb, packed_if_str, sizeof(packed_if_str));
-
-	/* mass storage : SCSI or ATAPI */
-	if ((protocol == 6 || protocol == 2)) {
-		struct udev_device *dev_scsi;
-		const char *scsi_model, *scsi_vendor, *scsi_type, *scsi_rev;
-		int host, bus, target, lun;
-
-		/* get scsi device */
-		dev_scsi = udev_device_get_parent_with_subsystem_devtype(dev, "scsi", "scsi_device");
-		if (dev_scsi == NULL) {
-			info(udev, "unable to find parent 'scsi' device of '%s'\n",
-			     udev_device_get_syspath(dev));
-			goto fallback;
-		}
-		if (sscanf(udev_device_get_sysname(dev_scsi), "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4) {
-			info(udev, "invalid scsi device '%s'\n", udev_device_get_sysname(dev_scsi));
-			goto fallback;
-		}
-
-		/* Generic SPC-2 device */
-		scsi_vendor = udev_device_get_sysattr_value(dev_scsi, "vendor");
-		if (!scsi_vendor) {
-			info(udev, "%s: cannot get SCSI vendor attribute\n",
-			     udev_device_get_sysname(dev_scsi));
-			goto fallback;
-		}
-		udev_util_encode_string(scsi_vendor, vendor_str_enc, sizeof(vendor_str_enc));
-		util_replace_whitespace(scsi_vendor, vendor_str, sizeof(vendor_str)-1);
-		util_replace_chars(vendor_str, NULL);
-
-		scsi_model = udev_device_get_sysattr_value(dev_scsi, "model");
-		if (!scsi_model) {
-			info(udev, "%s: cannot get SCSI model attribute\n",
-			     udev_device_get_sysname(dev_scsi));
-			goto fallback;
-		}
-		udev_util_encode_string(scsi_model, model_str_enc, sizeof(model_str_enc));
-		util_replace_whitespace(scsi_model, model_str, sizeof(model_str)-1);
-		util_replace_chars(model_str, NULL);
-
-		scsi_type = udev_device_get_sysattr_value(dev_scsi, "type");
-		if (!scsi_type) {
-			info(udev, "%s: cannot get SCSI type attribute\n",
-			     udev_device_get_sysname(dev_scsi));
-			goto fallback;
-		}
-		set_scsi_type(type_str, scsi_type, sizeof(type_str)-1);
-
-		scsi_rev = udev_device_get_sysattr_value(dev_scsi, "rev");
-		if (!scsi_rev) {
-			info(udev, "%s: cannot get SCSI revision attribute\n",
-			     udev_device_get_sysname(dev_scsi));
-			goto fallback;
-		}
-		util_replace_whitespace(scsi_rev, revision_str, sizeof(revision_str)-1);
-		util_replace_chars(revision_str, NULL);
-
-		/*
-		 * some broken devices have the same identifiers
-		 * for all luns, export the target:lun number
-		 */
-		sprintf(instance_str, "%d:%d", target, lun);
-	}
+        char vendor_str[64];
+        char vendor_str_enc[256];
+        const char *vendor_id;
+        char model_str[64];
+        char model_str_enc[256];
+        const char *product_id;
+        char serial_str[UTIL_NAME_SIZE];
+        char packed_if_str[UTIL_NAME_SIZE];
+        char revision_str[64];
+        char type_str[64];
+        char instance_str[64];
+        const char *ifnum = NULL;
+        const char *driver = NULL;
+        char serial[256];
+
+        struct udev *udev = udev_device_get_udev(dev);
+        struct udev_device *dev_interface = NULL;
+        struct udev_device *dev_usb = NULL;
+        const char *if_class, *if_subclass;
+        int if_class_num;
+        int protocol = 0;
+        size_t l;
+        char *s;
+
+        vendor_str[0] = '\0';
+        model_str[0] = '\0';
+        serial_str[0] = '\0';
+        packed_if_str[0] = '\0';
+        revision_str[0] = '\0';
+        type_str[0] = '\0';
+        instance_str[0] = '\0';
+
+        dbg(udev, "syspath %s\n", udev_device_get_syspath(dev));
+
+        /* shortcut, if we are called directly for a "usb_device" type */
+        if (udev_device_get_devtype(dev) != NULL && strcmp(udev_device_get_devtype(dev), "usb_device") == 0) {
+                dev_if_packed_info(dev, packed_if_str, sizeof(packed_if_str));
+                dev_usb = dev;
+                goto fallback;
+        }
+
+        /* usb interface directory */
+        dev_interface = udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_interface");
+        if (dev_interface == NULL) {
+                info(udev, "unable to access usb_interface device of '%s'\n",
+                     udev_device_get_syspath(dev));
+                return EXIT_FAILURE;
+        }
+
+        ifnum = udev_device_get_sysattr_value(dev_interface, "bInterfaceNumber");
+        driver = udev_device_get_sysattr_value(dev_interface, "driver");
+
+        if_class = udev_device_get_sysattr_value(dev_interface, "bInterfaceClass");
+        if (!if_class) {
+                info(udev, "%s: cannot get bInterfaceClass attribute\n",
+                     udev_device_get_sysname(dev));
+                return EXIT_FAILURE;
+        }
+
+        if_class_num = strtoul(if_class, NULL, 16);
+        if (if_class_num == 8) {
+                /* mass storage */
+                if_subclass = udev_device_get_sysattr_value(dev_interface, "bInterfaceSubClass");
+                if (if_subclass != NULL)
+                        protocol = set_usb_mass_storage_ifsubtype(type_str, if_subclass, sizeof(type_str)-1);
+        } else {
+                set_usb_iftype(type_str, if_class_num, sizeof(type_str)-1);
+        }
+
+        info(udev, "%s: if_class %d protocol %d\n",
+             udev_device_get_syspath(dev_interface), if_class_num, protocol);
+
+        /* usb device directory */
+        dev_usb = udev_device_get_parent_with_subsystem_devtype(dev_interface, "usb", "usb_device");
+        if (!dev_usb) {
+                info(udev, "unable to find parent 'usb' device of '%s'\n",
+                     udev_device_get_syspath(dev));
+                return EXIT_FAILURE;
+        }
+
+        /* all interfaces of the device in a single string */
+        dev_if_packed_info(dev_usb, packed_if_str, sizeof(packed_if_str));
+
+        /* mass storage : SCSI or ATAPI */
+        if ((protocol == 6 || protocol == 2)) {
+                struct udev_device *dev_scsi;
+                const char *scsi_model, *scsi_vendor, *scsi_type, *scsi_rev;
+                int host, bus, target, lun;
+
+                /* get scsi device */
+                dev_scsi = udev_device_get_parent_with_subsystem_devtype(dev, "scsi", "scsi_device");
+                if (dev_scsi == NULL) {
+                        info(udev, "unable to find parent 'scsi' device of '%s'\n",
+                             udev_device_get_syspath(dev));
+                        goto fallback;
+                }
+                if (sscanf(udev_device_get_sysname(dev_scsi), "%d:%d:%d:%d", &host, &bus, &target, &lun) != 4) {
+                        info(udev, "invalid scsi device '%s'\n", udev_device_get_sysname(dev_scsi));
+                        goto fallback;
+                }
+
+                /* Generic SPC-2 device */
+                scsi_vendor = udev_device_get_sysattr_value(dev_scsi, "vendor");
+                if (!scsi_vendor) {
+                        info(udev, "%s: cannot get SCSI vendor attribute\n",
+                             udev_device_get_sysname(dev_scsi));
+                        goto fallback;
+                }
+                udev_util_encode_string(scsi_vendor, vendor_str_enc, sizeof(vendor_str_enc));
+                util_replace_whitespace(scsi_vendor, vendor_str, sizeof(vendor_str)-1);
+                util_replace_chars(vendor_str, NULL);
+
+                scsi_model = udev_device_get_sysattr_value(dev_scsi, "model");
+                if (!scsi_model) {
+                        info(udev, "%s: cannot get SCSI model attribute\n",
+                             udev_device_get_sysname(dev_scsi));
+                        goto fallback;
+                }
+                udev_util_encode_string(scsi_model, model_str_enc, sizeof(model_str_enc));
+                util_replace_whitespace(scsi_model, model_str, sizeof(model_str)-1);
+                util_replace_chars(model_str, NULL);
+
+                scsi_type = udev_device_get_sysattr_value(dev_scsi, "type");
+                if (!scsi_type) {
+                        info(udev, "%s: cannot get SCSI type attribute\n",
+                             udev_device_get_sysname(dev_scsi));
+                        goto fallback;
+                }
+                set_scsi_type(type_str, scsi_type, sizeof(type_str)-1);
+
+                scsi_rev = udev_device_get_sysattr_value(dev_scsi, "rev");
+                if (!scsi_rev) {
+                        info(udev, "%s: cannot get SCSI revision attribute\n",
+                             udev_device_get_sysname(dev_scsi));
+                        goto fallback;
+                }
+                util_replace_whitespace(scsi_rev, revision_str, sizeof(revision_str)-1);
+                util_replace_chars(revision_str, NULL);
+
+                /*
+                 * some broken devices have the same identifiers
+                 * for all luns, export the target:lun number
+                 */
+                sprintf(instance_str, "%d:%d", target, lun);
+        }
 
 fallback:
-	vendor_id = udev_device_get_sysattr_value(dev_usb, "idVendor");
-	product_id = udev_device_get_sysattr_value(dev_usb, "idProduct");
-
-	/* fallback to USB vendor & device */
-	if (vendor_str[0] == '\0') {
-		const char *usb_vendor = NULL;
-
-		usb_vendor = udev_device_get_sysattr_value(dev_usb, "manufacturer");
-		if (!usb_vendor)
-			usb_vendor = vendor_id;
-		if (!usb_vendor) {
-			info(udev, "No USB vendor information available\n");
-			return EXIT_FAILURE;
-		}
-		udev_util_encode_string(usb_vendor, vendor_str_enc, sizeof(vendor_str_enc));
-		util_replace_whitespace(usb_vendor, vendor_str, sizeof(vendor_str)-1);
-		util_replace_chars(vendor_str, NULL);
-	}
-
-	if (model_str[0] == '\0') {
-		const char *usb_model = NULL;
-
-		usb_model = udev_device_get_sysattr_value(dev_usb, "product");
-		if (!usb_model)
-			usb_model = product_id;
-		if (!usb_model) {
-			dbg(udev, "No USB model information available\n");
-			return EXIT_FAILURE;
-		}
-		udev_util_encode_string(usb_model, model_str_enc, sizeof(model_str_enc));
-		util_replace_whitespace(usb_model, model_str, sizeof(model_str)-1);
-		util_replace_chars(model_str, NULL);
-	}
-
-	if (revision_str[0] == '\0') {
-		const char *usb_rev;
-
-		usb_rev = udev_device_get_sysattr_value(dev_usb, "bcdDevice");
-		if (usb_rev) {
-			util_replace_whitespace(usb_rev, revision_str, sizeof(revision_str)-1);
-			util_replace_chars(revision_str, NULL);
-		}
-	}
-
-	if (serial_str[0] == '\0') {
-		const char *usb_serial;
-
-		usb_serial = udev_device_get_sysattr_value(dev_usb, "serial");
-		if (usb_serial) {
-			util_replace_whitespace(usb_serial, serial_str, sizeof(serial_str)-1);
-			util_replace_chars(serial_str, NULL);
-		}
-	}
-
-	s = serial;
-	l = util_strpcpyl(&s, sizeof(serial), vendor_str, "_", model_str, NULL);
-	if (serial_str[0] != '\0')
-		l = util_strpcpyl(&s, l, "_", serial_str, NULL);
-
-	if (instance_str[0] != '\0')
-		util_strpcpyl(&s, l, "-", instance_str, NULL);
-
-	udev_builtin_add_property(dev, test, "ID_VENDOR", vendor_str);
-	udev_builtin_add_property(dev, test, "ID_VENDOR_ENC", vendor_str_enc);
-	udev_builtin_add_property(dev, test, "ID_VENDOR_ID", vendor_id);
-	udev_builtin_add_property(dev, test, "ID_MODEL", model_str);
-	udev_builtin_add_property(dev, test, "ID_MODEL_ENC", model_str_enc);
-	udev_builtin_add_property(dev, test, "ID_MODEL_ID", product_id);
-	udev_builtin_add_property(dev, test, "ID_REVISION", revision_str);
-	udev_builtin_add_property(dev, test, "ID_SERIAL", serial);
-	if (serial_str[0] != '\0')
-		udev_builtin_add_property(dev, test, "ID_SERIAL_SHORT", serial_str);
-	if (type_str[0] != '\0')
-		udev_builtin_add_property(dev, test, "ID_TYPE", type_str);
-	if (instance_str[0] != '\0')
-		udev_builtin_add_property(dev, test, "ID_INSTANCE", instance_str);
-	udev_builtin_add_property(dev, test, "ID_BUS", "usb");
-	if (packed_if_str[0] != '\0')
-		udev_builtin_add_property(dev, test, "ID_USB_INTERFACES", packed_if_str);
-	if (ifnum != NULL)
-		udev_builtin_add_property(dev, test, "ID_USB_INTERFACE_NUM", ifnum);
-	if (driver != NULL)
-		udev_builtin_add_property(dev, test, "ID_USB_DRIVER", driver);
-	return EXIT_SUCCESS;
+        vendor_id = udev_device_get_sysattr_value(dev_usb, "idVendor");
+        product_id = udev_device_get_sysattr_value(dev_usb, "idProduct");
+
+        /* fallback to USB vendor & device */
+        if (vendor_str[0] == '\0') {
+                const char *usb_vendor = NULL;
+
+                usb_vendor = udev_device_get_sysattr_value(dev_usb, "manufacturer");
+                if (!usb_vendor)
+                        usb_vendor = vendor_id;
+                if (!usb_vendor) {
+                        info(udev, "No USB vendor information available\n");
+                        return EXIT_FAILURE;
+                }
+                udev_util_encode_string(usb_vendor, vendor_str_enc, sizeof(vendor_str_enc));
+                util_replace_whitespace(usb_vendor, vendor_str, sizeof(vendor_str)-1);
+                util_replace_chars(vendor_str, NULL);
+        }
+
+        if (model_str[0] == '\0') {
+                const char *usb_model = NULL;
+
+                usb_model = udev_device_get_sysattr_value(dev_usb, "product");
+                if (!usb_model)
+                        usb_model = product_id;
+                if (!usb_model) {
+                        dbg(udev, "No USB model information available\n");
+                        return EXIT_FAILURE;
+                }
+                udev_util_encode_string(usb_model, model_str_enc, sizeof(model_str_enc));
+                util_replace_whitespace(usb_model, model_str, sizeof(model_str)-1);
+                util_replace_chars(model_str, NULL);
+        }
+
+        if (revision_str[0] == '\0') {
+                const char *usb_rev;
+
+                usb_rev = udev_device_get_sysattr_value(dev_usb, "bcdDevice");
+                if (usb_rev) {
+                        util_replace_whitespace(usb_rev, revision_str, sizeof(revision_str)-1);
+                        util_replace_chars(revision_str, NULL);
+                }
+        }
+
+        if (serial_str[0] == '\0') {
+                const char *usb_serial;
+
+                usb_serial = udev_device_get_sysattr_value(dev_usb, "serial");
+                if (usb_serial) {
+                        util_replace_whitespace(usb_serial, serial_str, sizeof(serial_str)-1);
+                        util_replace_chars(serial_str, NULL);
+                }
+        }
+
+        s = serial;
+        l = util_strpcpyl(&s, sizeof(serial), vendor_str, "_", model_str, NULL);
+        if (serial_str[0] != '\0')
+                l = util_strpcpyl(&s, l, "_", serial_str, NULL);
+
+        if (instance_str[0] != '\0')
+                util_strpcpyl(&s, l, "-", instance_str, NULL);
+
+        udev_builtin_add_property(dev, test, "ID_VENDOR", vendor_str);
+        udev_builtin_add_property(dev, test, "ID_VENDOR_ENC", vendor_str_enc);
+        udev_builtin_add_property(dev, test, "ID_VENDOR_ID", vendor_id);
+        udev_builtin_add_property(dev, test, "ID_MODEL", model_str);
+        udev_builtin_add_property(dev, test, "ID_MODEL_ENC", model_str_enc);
+        udev_builtin_add_property(dev, test, "ID_MODEL_ID", product_id);
+        udev_builtin_add_property(dev, test, "ID_REVISION", revision_str);
+        udev_builtin_add_property(dev, test, "ID_SERIAL", serial);
+        if (serial_str[0] != '\0')
+                udev_builtin_add_property(dev, test, "ID_SERIAL_SHORT", serial_str);
+        if (type_str[0] != '\0')
+                udev_builtin_add_property(dev, test, "ID_TYPE", type_str);
+        if (instance_str[0] != '\0')
+                udev_builtin_add_property(dev, test, "ID_INSTANCE", instance_str);
+        udev_builtin_add_property(dev, test, "ID_BUS", "usb");
+        if (packed_if_str[0] != '\0')
+                udev_builtin_add_property(dev, test, "ID_USB_INTERFACES", packed_if_str);
+        if (ifnum != NULL)
+                udev_builtin_add_property(dev, test, "ID_USB_INTERFACE_NUM", ifnum);
+        if (driver != NULL)
+                udev_builtin_add_property(dev, test, "ID_USB_DRIVER", driver);
+        return EXIT_SUCCESS;
 }
 
 const struct udev_builtin udev_builtin_usb_id = {
-	.name = "usb_id",
-	.cmd = builtin_usb_id,
-	.help = "usb device properties",
-	.run_once = true,
+        .name = "usb_id",
+        .cmd = builtin_usb_id,
+        .help = "usb device properties",
+        .run_once = true,
 };
diff --git a/src/udev-builtin.c b/src/udev-builtin.c
index 8beac8a6..5bc5fa68 100644
--- a/src/udev-builtin.c
+++ b/src/udev-builtin.c
@@ -26,109 +26,109 @@
 #include "udev.h"
 
 static const struct udev_builtin *builtins[] = {
-	[UDEV_BUILTIN_BLKID] = &udev_builtin_blkid,
-	[UDEV_BUILTIN_FIRMWARE] = &udev_builtin_firmware,
-	[UDEV_BUILTIN_INPUT_ID] = &udev_builtin_input_id,
-	[UDEV_BUILTIN_KMOD] = &udev_builtin_kmod,
-	[UDEV_BUILTIN_PATH_ID] = &udev_builtin_path_id,
-	[UDEV_BUILTIN_PCI_DB] = &udev_builtin_pci_db,
-	[UDEV_BUILTIN_USB_DB] = &udev_builtin_usb_db,
-	[UDEV_BUILTIN_USB_ID] = &udev_builtin_usb_id,
+        [UDEV_BUILTIN_BLKID] = &udev_builtin_blkid,
+        [UDEV_BUILTIN_FIRMWARE] = &udev_builtin_firmware,
+        [UDEV_BUILTIN_INPUT_ID] = &udev_builtin_input_id,
+        [UDEV_BUILTIN_KMOD] = &udev_builtin_kmod,
+        [UDEV_BUILTIN_PATH_ID] = &udev_builtin_path_id,
+        [UDEV_BUILTIN_PCI_DB] = &udev_builtin_pci_db,
+        [UDEV_BUILTIN_USB_DB] = &udev_builtin_usb_db,
+        [UDEV_BUILTIN_USB_ID] = &udev_builtin_usb_id,
 };
 
 int udev_builtin_init(struct udev *udev)
 {
-	unsigned int i;
-	int err;
-
-	for (i = 0; i < ARRAY_SIZE(builtins); i++) {
-		if (builtins[i]->init) {
-			err = builtins[i]->init(udev);
-			if (err < 0)
-				break;
-		}
-	}
-	return err;
+        unsigned int i;
+        int err;
+
+        for (i = 0; i < ARRAY_SIZE(builtins); i++) {
+                if (builtins[i]->init) {
+                        err = builtins[i]->init(udev);
+                        if (err < 0)
+                                break;
+                }
+        }
+        return err;
 }
 
 void udev_builtin_exit(struct udev *udev)
 {
-	unsigned int i;
+        unsigned int i;
 
-	for (i = 0; i < ARRAY_SIZE(builtins); i++)
-		if (builtins[i]->exit)
-			builtins[i]->exit(udev);
+        for (i = 0; i < ARRAY_SIZE(builtins); i++)
+                if (builtins[i]->exit)
+                        builtins[i]->exit(udev);
 }
 
 bool udev_builtin_validate(struct udev *udev)
 {
-	unsigned int i;
-	bool change = false;
-
-	for (i = 0; i < ARRAY_SIZE(builtins); i++)
-		if (builtins[i]->validate)
-			if (builtins[i]->validate(udev))
-				change = true;
-	return change;
+        unsigned int i;
+        bool change = false;
+
+        for (i = 0; i < ARRAY_SIZE(builtins); i++)
+                if (builtins[i]->validate)
+                        if (builtins[i]->validate(udev))
+                                change = true;
+        return change;
 }
 
 void udev_builtin_list(struct udev *udev)
 {
-	unsigned int i;
+        unsigned int i;
 
-	for (i = 0; i < ARRAY_SIZE(builtins); i++)
-		fprintf(stderr, "  %-12s %s\n", builtins[i]->name, builtins[i]->help);
+        for (i = 0; i < ARRAY_SIZE(builtins); i++)
+                fprintf(stderr, "  %-12s %s\n", builtins[i]->name, builtins[i]->help);
 }
 
 const char *udev_builtin_name(enum udev_builtin_cmd cmd)
 {
-	return builtins[cmd]->name;
+        return builtins[cmd]->name;
 }
 
 bool udev_builtin_run_once(enum udev_builtin_cmd cmd)
 {
-	return builtins[cmd]->run_once;
+        return builtins[cmd]->run_once;
 }
 
 enum udev_builtin_cmd udev_builtin_lookup(const char *command)
 {
-	char name[UTIL_PATH_SIZE];
-	enum udev_builtin_cmd i;
-	char *pos;
-
-	util_strscpy(name, sizeof(name), command);
-	pos = strchr(name, ' ');
-	if (pos)
-		pos[0] = '\0';
-	for (i = 0; i < ARRAY_SIZE(builtins); i++)
-		if (strcmp(builtins[i]->name, name) == 0)
-			return i;
-	return UDEV_BUILTIN_MAX;
+        char name[UTIL_PATH_SIZE];
+        enum udev_builtin_cmd i;
+        char *pos;
+
+        util_strscpy(name, sizeof(name), command);
+        pos = strchr(name, ' ');
+        if (pos)
+                pos[0] = '\0';
+        for (i = 0; i < ARRAY_SIZE(builtins); i++)
+                if (strcmp(builtins[i]->name, name) == 0)
+                        return i;
+        return UDEV_BUILTIN_MAX;
 }
 
 int udev_builtin_run(struct udev_device *dev, enum udev_builtin_cmd cmd, const char *command, bool test)
 {
-	char arg[UTIL_PATH_SIZE];
-	int argc;
-	char *argv[128];
-
-	optind = 0;
-	util_strscpy(arg, sizeof(arg), command);
-	udev_build_argv(udev_device_get_udev(dev), arg, &argc, argv);
-	return builtins[cmd]->cmd(dev, argc, argv, test);
+        char arg[UTIL_PATH_SIZE];
+        int argc;
+        char *argv[128];
+
+        optind = 0;
+        util_strscpy(arg, sizeof(arg), command);
+        udev_build_argv(udev_device_get_udev(dev), arg, &argc, argv);
+        return builtins[cmd]->cmd(dev, argc, argv, test);
 }
 
 int udev_builtin_add_property(struct udev_device *dev, bool test, const char *key, const char *val)
 {
-	struct udev_list_entry *entry;
+        struct udev_list_entry *entry;
 
-	entry = udev_device_add_property(dev, key, val);
-	/* store in db, skip private keys */
-	if (key[0] != '.')
-		udev_list_entry_set_num(entry, true);
+        entry = udev_device_add_property(dev, key, val);
+        /* store in db, skip private keys */
+        if (key[0] != '.')
+                udev_list_entry_set_num(entry, true);
 
-	info(udev_device_get_udev(dev), "%s=%s\n", key, val);
-	if (test)
-		printf("%s=%s\n", key, val);
-	return 0;
+        info(udev_device_get_udev(dev), "%s=%s\n", key, val);
+        if (test)
+                printf("%s=%s\n", key, val);
+        return 0;
 }
diff --git a/src/udev-ctrl.c b/src/udev-ctrl.c
index fab1108d..5556f1a7 100644
--- a/src/udev-ctrl.c
+++ b/src/udev-ctrl.c
@@ -23,472 +23,472 @@
 #include "udev.h"
 
 /* wire protocol magic must match */
-#define UDEV_CTRL_MAGIC				0xdead1dea
+#define UDEV_CTRL_MAGIC                                0xdead1dea
 
 enum udev_ctrl_msg_type {
-	UDEV_CTRL_UNKNOWN,
-	UDEV_CTRL_SET_LOG_LEVEL,
-	UDEV_CTRL_STOP_EXEC_QUEUE,
-	UDEV_CTRL_START_EXEC_QUEUE,
-	UDEV_CTRL_RELOAD,
-	UDEV_CTRL_SET_ENV,
-	UDEV_CTRL_SET_CHILDREN_MAX,
-	UDEV_CTRL_PING,
-	UDEV_CTRL_EXIT,
+        UDEV_CTRL_UNKNOWN,
+        UDEV_CTRL_SET_LOG_LEVEL,
+        UDEV_CTRL_STOP_EXEC_QUEUE,
+        UDEV_CTRL_START_EXEC_QUEUE,
+        UDEV_CTRL_RELOAD,
+        UDEV_CTRL_SET_ENV,
+        UDEV_CTRL_SET_CHILDREN_MAX,
+        UDEV_CTRL_PING,
+        UDEV_CTRL_EXIT,
 };
 
 struct udev_ctrl_msg_wire {
-	char version[16];
-	unsigned int magic;
-	enum udev_ctrl_msg_type type;
-	union {
-		int intval;
-		char buf[256];
-	};
+        char version[16];
+        unsigned int magic;
+        enum udev_ctrl_msg_type type;
+        union {
+                int intval;
+                char buf[256];
+        };
 };
 
 struct udev_ctrl_msg {
-	int refcount;
-	struct udev_ctrl_connection *conn;
-	struct udev_ctrl_msg_wire ctrl_msg_wire;
+        int refcount;
+        struct udev_ctrl_connection *conn;
+        struct udev_ctrl_msg_wire ctrl_msg_wire;
 };
 
 struct udev_ctrl {
-	int refcount;
-	struct udev *udev;
-	int sock;
-	struct sockaddr_un saddr;
-	socklen_t addrlen;
-	bool bound;
-	bool cleanup_socket;
-	bool connected;
+        int refcount;
+        struct udev *udev;
+        int sock;
+        struct sockaddr_un saddr;
+        socklen_t addrlen;
+        bool bound;
+        bool cleanup_socket;
+        bool connected;
 };
 
 struct udev_ctrl_connection {
-	int refcount;
-	struct udev_ctrl *uctrl;
-	int sock;
+        int refcount;
+        struct udev_ctrl *uctrl;
+        int sock;
 };
 
 struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd)
 {
-	struct udev_ctrl *uctrl;
-
-	uctrl = calloc(1, sizeof(struct udev_ctrl));
-	if (uctrl == NULL)
-		return NULL;
-	uctrl->refcount = 1;
-	uctrl->udev = udev;
-
-	if (fd < 0) {
-		uctrl->sock = socket(AF_LOCAL, SOCK_SEQPACKET|SOCK_NONBLOCK|SOCK_CLOEXEC, 0);
-		if (uctrl->sock < 0) {
-			err(udev, "error getting socket: %m\n");
-			udev_ctrl_unref(uctrl);
-			return NULL;
-		}
-	} else {
-		uctrl->bound = true;
-		uctrl->sock = fd;
-	}
-
-	uctrl->saddr.sun_family = AF_LOCAL;
-	util_strscpyl(uctrl->saddr.sun_path, sizeof(uctrl->saddr.sun_path),
+        struct udev_ctrl *uctrl;
+
+        uctrl = calloc(1, sizeof(struct udev_ctrl));
+        if (uctrl == NULL)
+                return NULL;
+        uctrl->refcount = 1;
+        uctrl->udev = udev;
+
+        if (fd < 0) {
+                uctrl->sock = socket(AF_LOCAL, SOCK_SEQPACKET|SOCK_NONBLOCK|SOCK_CLOEXEC, 0);
+                if (uctrl->sock < 0) {
+                        err(udev, "error getting socket: %m\n");
+                        udev_ctrl_unref(uctrl);
+                        return NULL;
+                }
+        } else {
+                uctrl->bound = true;
+                uctrl->sock = fd;
+        }
+
+        uctrl->saddr.sun_family = AF_LOCAL;
+        util_strscpyl(uctrl->saddr.sun_path, sizeof(uctrl->saddr.sun_path),
                       udev_get_run_path(udev), "/control", NULL);
-	uctrl->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(uctrl->saddr.sun_path);
-	return uctrl;
+        uctrl->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(uctrl->saddr.sun_path);
+        return uctrl;
 }
 
 struct udev_ctrl *udev_ctrl_new(struct udev *udev)
 {
-	return udev_ctrl_new_from_fd(udev, -1);
+        return udev_ctrl_new_from_fd(udev, -1);
 }
 
 int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl)
 {
-	int err;
-
-	if (!uctrl->bound) {
-		err = bind(uctrl->sock, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen);
-		if (err < 0 && errno == EADDRINUSE) {
-			unlink(uctrl->saddr.sun_path);
-			err = bind(uctrl->sock, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen);
-		}
-
-		if (err < 0) {
-			err = -errno;
-			err(uctrl->udev, "bind failed: %m\n");
-			return err;
-		}
-
-		err = listen(uctrl->sock, 0);
-		if (err < 0) {
-			err = -errno;
-			err(uctrl->udev, "listen failed: %m\n");
-			return err;
-		}
-
-		uctrl->bound = true;
-		uctrl->cleanup_socket = true;
-	}
-	return 0;
+        int err;
+
+        if (!uctrl->bound) {
+                err = bind(uctrl->sock, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen);
+                if (err < 0 && errno == EADDRINUSE) {
+                        unlink(uctrl->saddr.sun_path);
+                        err = bind(uctrl->sock, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen);
+                }
+
+                if (err < 0) {
+                        err = -errno;
+                        err(uctrl->udev, "bind failed: %m\n");
+                        return err;
+                }
+
+                err = listen(uctrl->sock, 0);
+                if (err < 0) {
+                        err = -errno;
+                        err(uctrl->udev, "listen failed: %m\n");
+                        return err;
+                }
+
+                uctrl->bound = true;
+                uctrl->cleanup_socket = true;
+        }
+        return 0;
 }
 
 struct udev *udev_ctrl_get_udev(struct udev_ctrl *uctrl)
 {
-	return uctrl->udev;
+        return uctrl->udev;
 }
 
 struct udev_ctrl *udev_ctrl_ref(struct udev_ctrl *uctrl)
 {
-	if (uctrl == NULL)
-		return NULL;
-	uctrl->refcount++;
-	return uctrl;
+        if (uctrl == NULL)
+                return NULL;
+        uctrl->refcount++;
+        return uctrl;
 }
 
 struct udev_ctrl *udev_ctrl_unref(struct udev_ctrl *uctrl)
 {
-	if (uctrl == NULL)
-		return NULL;
-	uctrl->refcount--;
-	if (uctrl->refcount > 0)
-		return uctrl;
-	if (uctrl->sock >= 0)
-		close(uctrl->sock);
-	free(uctrl);
-	return NULL;
+        if (uctrl == NULL)
+                return NULL;
+        uctrl->refcount--;
+        if (uctrl->refcount > 0)
+                return uctrl;
+        if (uctrl->sock >= 0)
+                close(uctrl->sock);
+        free(uctrl);
+        return NULL;
 }
 
 int udev_ctrl_cleanup(struct udev_ctrl *uctrl)
 {
-	if (uctrl == NULL)
-		return 0;
-	if (uctrl->cleanup_socket)
-		unlink(uctrl->saddr.sun_path);
-	return 0;
+        if (uctrl == NULL)
+                return 0;
+        if (uctrl->cleanup_socket)
+                unlink(uctrl->saddr.sun_path);
+        return 0;
 }
 
 int udev_ctrl_get_fd(struct udev_ctrl *uctrl)
 {
-	if (uctrl == NULL)
-		return -EINVAL;
-	return uctrl->sock;
+        if (uctrl == NULL)
+                return -EINVAL;
+        return uctrl->sock;
 }
 
 struct udev_ctrl_connection *udev_ctrl_get_connection(struct udev_ctrl *uctrl)
 {
-	struct udev_ctrl_connection *conn;
-	struct ucred ucred;
-	socklen_t slen;
-	const int on = 1;
-
-	conn = calloc(1, sizeof(struct udev_ctrl_connection));
-	if (conn == NULL)
-		return NULL;
-	conn->refcount = 1;
-	conn->uctrl = uctrl;
-
-	conn->sock = accept4(uctrl->sock, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK);
-	if (conn->sock < 0) {
-		if (errno != EINTR)
-			err(uctrl->udev, "unable to receive ctrl connection: %m\n");
-		goto err;
-	}
-
-	/* check peer credential of connection */
-	slen = sizeof(ucred);
-	if (getsockopt(conn->sock, SOL_SOCKET, SO_PEERCRED, &ucred, &slen) < 0) {
-		err(uctrl->udev, "unable to receive credentials of ctrl connection: %m\n");
-		goto err;
-	}
-	if (ucred.uid > 0) {
-		err(uctrl->udev, "sender uid=%i, message ignored\n", ucred.uid);
-		goto err;
-	}
-
-	/* enable receiving of the sender credentials in the messages */
-	setsockopt(conn->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on));
-	udev_ctrl_ref(uctrl);
-	return conn;
+        struct udev_ctrl_connection *conn;
+        struct ucred ucred;
+        socklen_t slen;
+        const int on = 1;
+
+        conn = calloc(1, sizeof(struct udev_ctrl_connection));
+        if (conn == NULL)
+                return NULL;
+        conn->refcount = 1;
+        conn->uctrl = uctrl;
+
+        conn->sock = accept4(uctrl->sock, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK);
+        if (conn->sock < 0) {
+                if (errno != EINTR)
+                        err(uctrl->udev, "unable to receive ctrl connection: %m\n");
+                goto err;
+        }
+
+        /* check peer credential of connection */
+        slen = sizeof(ucred);
+        if (getsockopt(conn->sock, SOL_SOCKET, SO_PEERCRED, &ucred, &slen) < 0) {
+                err(uctrl->udev, "unable to receive credentials of ctrl connection: %m\n");
+                goto err;
+        }
+        if (ucred.uid > 0) {
+                err(uctrl->udev, "sender uid=%i, message ignored\n", ucred.uid);
+                goto err;
+        }
+
+        /* enable receiving of the sender credentials in the messages */
+        setsockopt(conn->sock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on));
+        udev_ctrl_ref(uctrl);
+        return conn;
 err:
-	if (conn->sock >= 0)
-		close(conn->sock);
-	free(conn);
-	return NULL;
+        if (conn->sock >= 0)
+                close(conn->sock);
+        free(conn);
+        return NULL;
 }
 
 struct udev_ctrl_connection *udev_ctrl_connection_ref(struct udev_ctrl_connection *conn)
 {
-	if (conn == NULL)
-		return NULL;
-	conn->refcount++;
-	return conn;
+        if (conn == NULL)
+                return NULL;
+        conn->refcount++;
+        return conn;
 }
 
 struct udev_ctrl_connection *udev_ctrl_connection_unref(struct udev_ctrl_connection *conn)
 {
-	if (conn == NULL)
-		return NULL;
-	conn->refcount--;
-	if (conn->refcount > 0)
-		return conn;
-	if (conn->sock >= 0)
-		close(conn->sock);
-	udev_ctrl_unref(conn->uctrl);
-	free(conn);
-	return NULL;
+        if (conn == NULL)
+                return NULL;
+        conn->refcount--;
+        if (conn->refcount > 0)
+                return conn;
+        if (conn->sock >= 0)
+                close(conn->sock);
+        udev_ctrl_unref(conn->uctrl);
+        free(conn);
+        return NULL;
 }
 
 static int ctrl_send(struct udev_ctrl *uctrl, enum udev_ctrl_msg_type type, int intval, const char *buf, int timeout)
 {
-	struct udev_ctrl_msg_wire ctrl_msg_wire;
-	int err = 0;
-
-	memset(&ctrl_msg_wire, 0x00, sizeof(struct udev_ctrl_msg_wire));
-	strcpy(ctrl_msg_wire.version, "udev-" VERSION);
-	ctrl_msg_wire.magic = UDEV_CTRL_MAGIC;
-	ctrl_msg_wire.type = type;
-
-	if (buf != NULL)
-		util_strscpy(ctrl_msg_wire.buf, sizeof(ctrl_msg_wire.buf), buf);
-	else
-		ctrl_msg_wire.intval = intval;
-
-	if (!uctrl->connected) {
-		if (connect(uctrl->sock, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen) < 0) {
-			err = -errno;
-			goto out;
-		}
-		uctrl->connected = true;
-	}
-	if (send(uctrl->sock, &ctrl_msg_wire, sizeof(ctrl_msg_wire), 0) < 0) {
-		err = -errno;
-		goto out;
-	}
-
-	/* wait for peer message handling or disconnect */
-	for (;;) {
-		struct pollfd pfd[1];
-		int r;
-
-		pfd[0].fd = uctrl->sock;
-		pfd[0].events = POLLIN;
-		r = poll(pfd, 1, timeout * 1000);
-		if (r  < 0) {
-			if (errno == EINTR)
-				continue;
-			err = -errno;
-			break;
-		}
-
-		if (r > 0 && pfd[0].revents & POLLERR) {
-			err = -EIO;
-			break;
-		}
-
-		if (r == 0)
-			err = -ETIMEDOUT;
-		break;
-	}
+        struct udev_ctrl_msg_wire ctrl_msg_wire;
+        int err = 0;
+
+        memset(&ctrl_msg_wire, 0x00, sizeof(struct udev_ctrl_msg_wire));
+        strcpy(ctrl_msg_wire.version, "udev-" VERSION);
+        ctrl_msg_wire.magic = UDEV_CTRL_MAGIC;
+        ctrl_msg_wire.type = type;
+
+        if (buf != NULL)
+                util_strscpy(ctrl_msg_wire.buf, sizeof(ctrl_msg_wire.buf), buf);
+        else
+                ctrl_msg_wire.intval = intval;
+
+        if (!uctrl->connected) {
+                if (connect(uctrl->sock, (struct sockaddr *)&uctrl->saddr, uctrl->addrlen) < 0) {
+                        err = -errno;
+                        goto out;
+                }
+                uctrl->connected = true;
+        }
+        if (send(uctrl->sock, &ctrl_msg_wire, sizeof(ctrl_msg_wire), 0) < 0) {
+                err = -errno;
+                goto out;
+        }
+
+        /* wait for peer message handling or disconnect */
+        for (;;) {
+                struct pollfd pfd[1];
+                int r;
+
+                pfd[0].fd = uctrl->sock;
+                pfd[0].events = POLLIN;
+                r = poll(pfd, 1, timeout * 1000);
+                if (r  < 0) {
+                        if (errno == EINTR)
+                                continue;
+                        err = -errno;
+                        break;
+                }
+
+                if (r > 0 && pfd[0].revents & POLLERR) {
+                        err = -EIO;
+                        break;
+                }
+
+                if (r == 0)
+                        err = -ETIMEDOUT;
+                break;
+        }
 out:
-	return err;
+        return err;
 }
 
 int udev_ctrl_send_set_log_level(struct udev_ctrl *uctrl, int priority, int timeout)
 {
-	return ctrl_send(uctrl, UDEV_CTRL_SET_LOG_LEVEL, priority, NULL, timeout);
+        return ctrl_send(uctrl, UDEV_CTRL_SET_LOG_LEVEL, priority, NULL, timeout);
 }
 
 int udev_ctrl_send_stop_exec_queue(struct udev_ctrl *uctrl, int timeout)
 {
-	return ctrl_send(uctrl, UDEV_CTRL_STOP_EXEC_QUEUE, 0, NULL, timeout);
+        return ctrl_send(uctrl, UDEV_CTRL_STOP_EXEC_QUEUE, 0, NULL, timeout);
 }
 
 int udev_ctrl_send_start_exec_queue(struct udev_ctrl *uctrl, int timeout)
 {
-	return ctrl_send(uctrl, UDEV_CTRL_START_EXEC_QUEUE, 0, NULL, timeout);
+        return ctrl_send(uctrl, UDEV_CTRL_START_EXEC_QUEUE, 0, NULL, timeout);
 }
 
 int udev_ctrl_send_reload(struct udev_ctrl *uctrl, int timeout)
 {
-	return ctrl_send(uctrl, UDEV_CTRL_RELOAD, 0, NULL, timeout);
+        return ctrl_send(uctrl, UDEV_CTRL_RELOAD, 0, NULL, timeout);
 }
 
 int udev_ctrl_send_set_env(struct udev_ctrl *uctrl, const char *key, int timeout)
 {
-	return ctrl_send(uctrl, UDEV_CTRL_SET_ENV, 0, key, timeout);
+        return ctrl_send(uctrl, UDEV_CTRL_SET_ENV, 0, key, timeout);
 }
 
 int udev_ctrl_send_set_children_max(struct udev_ctrl *uctrl, int count, int timeout)
 {
-	return ctrl_send(uctrl, UDEV_CTRL_SET_CHILDREN_MAX, count, NULL, timeout);
+        return ctrl_send(uctrl, UDEV_CTRL_SET_CHILDREN_MAX, count, NULL, timeout);
 }
 
 int udev_ctrl_send_ping(struct udev_ctrl *uctrl, int timeout)
 {
-	return ctrl_send(uctrl, UDEV_CTRL_PING, 0, NULL, timeout);
+        return ctrl_send(uctrl, UDEV_CTRL_PING, 0, NULL, timeout);
 }
 
 int udev_ctrl_send_exit(struct udev_ctrl *uctrl, int timeout)
 {
-	return ctrl_send(uctrl, UDEV_CTRL_EXIT, 0, NULL, timeout);
+        return ctrl_send(uctrl, UDEV_CTRL_EXIT, 0, NULL, timeout);
 }
 
 struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn)
 {
-	struct udev *udev = conn->uctrl->udev;
-	struct udev_ctrl_msg *uctrl_msg;
-	ssize_t size;
-	struct msghdr smsg;
-	struct cmsghdr *cmsg;
-	struct iovec iov;
-	struct ucred *cred;
-	char cred_msg[CMSG_SPACE(sizeof(struct ucred))];
-
-	uctrl_msg = calloc(1, sizeof(struct udev_ctrl_msg));
-	if (uctrl_msg == NULL)
-		return NULL;
-	uctrl_msg->refcount = 1;
-	uctrl_msg->conn = conn;
-	udev_ctrl_connection_ref(conn);
-
-	/* wait for the incoming message */
-	for(;;) {
-		struct pollfd pfd[1];
-		int r;
-
-		pfd[0].fd = conn->sock;
-		pfd[0].events = POLLIN;
-
-		r = poll(pfd, 1, 10000);
-		if (r  < 0) {
-			if (errno == EINTR)
-				continue;
-			goto err;
-		} else if (r == 0) {
-			err(udev, "timeout waiting for ctrl message\n");
-			goto err;
-		} else {
-			if (!(pfd[0].revents & POLLIN)) {
-				err(udev, "ctrl connection error: %m\n");
-				goto err;
-			}
-		}
-
-		break;
-	}
-
-	iov.iov_base = &uctrl_msg->ctrl_msg_wire;
-	iov.iov_len = sizeof(struct udev_ctrl_msg_wire);
-	memset(&smsg, 0x00, sizeof(struct msghdr));
-	smsg.msg_iov = &iov;
-	smsg.msg_iovlen = 1;
-	smsg.msg_control = cred_msg;
-	smsg.msg_controllen = sizeof(cred_msg);
-	size = recvmsg(conn->sock, &smsg, 0);
-	if (size <  0) {
-		err(udev, "unable to receive ctrl message: %m\n");
-		goto err;
-	}
-	cmsg = CMSG_FIRSTHDR(&smsg);
-	cred = (struct ucred *) CMSG_DATA(cmsg);
-
-	if (cmsg == NULL || cmsg->cmsg_type != SCM_CREDENTIALS) {
-		err(udev, "no sender credentials received, message ignored\n");
-		goto err;
-	}
-
-	if (cred->uid != 0) {
-		err(udev, "sender uid=%i, message ignored\n", cred->uid);
-		goto err;
-	}
-
-	if (uctrl_msg->ctrl_msg_wire.magic != UDEV_CTRL_MAGIC) {
-		err(udev, "message magic 0x%08x doesn't match, ignore it\n", uctrl_msg->ctrl_msg_wire.magic);
-		goto err;
-	}
-
-	dbg(udev, "created ctrl_msg %p (%i)\n", uctrl_msg, uctrl_msg->ctrl_msg_wire.type);
-	return uctrl_msg;
+        struct udev *udev = conn->uctrl->udev;
+        struct udev_ctrl_msg *uctrl_msg;
+        ssize_t size;
+        struct msghdr smsg;
+        struct cmsghdr *cmsg;
+        struct iovec iov;
+        struct ucred *cred;
+        char cred_msg[CMSG_SPACE(sizeof(struct ucred))];
+
+        uctrl_msg = calloc(1, sizeof(struct udev_ctrl_msg));
+        if (uctrl_msg == NULL)
+                return NULL;
+        uctrl_msg->refcount = 1;
+        uctrl_msg->conn = conn;
+        udev_ctrl_connection_ref(conn);
+
+        /* wait for the incoming message */
+        for(;;) {
+                struct pollfd pfd[1];
+                int r;
+
+                pfd[0].fd = conn->sock;
+                pfd[0].events = POLLIN;
+
+                r = poll(pfd, 1, 10000);
+                if (r  < 0) {
+                        if (errno == EINTR)
+                                continue;
+                        goto err;
+                } else if (r == 0) {
+                        err(udev, "timeout waiting for ctrl message\n");
+                        goto err;
+                } else {
+                        if (!(pfd[0].revents & POLLIN)) {
+                                err(udev, "ctrl connection error: %m\n");
+                                goto err;
+                        }
+                }
+
+                break;
+        }
+
+        iov.iov_base = &uctrl_msg->ctrl_msg_wire;
+        iov.iov_len = sizeof(struct udev_ctrl_msg_wire);
+        memset(&smsg, 0x00, sizeof(struct msghdr));
+        smsg.msg_iov = &iov;
+        smsg.msg_iovlen = 1;
+        smsg.msg_control = cred_msg;
+        smsg.msg_controllen = sizeof(cred_msg);
+        size = recvmsg(conn->sock, &smsg, 0);
+        if (size <  0) {
+                err(udev, "unable to receive ctrl message: %m\n");
+                goto err;
+        }
+        cmsg = CMSG_FIRSTHDR(&smsg);
+        cred = (struct ucred *) CMSG_DATA(cmsg);
+
+        if (cmsg == NULL || cmsg->cmsg_type != SCM_CREDENTIALS) {
+                err(udev, "no sender credentials received, message ignored\n");
+                goto err;
+        }
+
+        if (cred->uid != 0) {
+                err(udev, "sender uid=%i, message ignored\n", cred->uid);
+                goto err;
+        }
+
+        if (uctrl_msg->ctrl_msg_wire.magic != UDEV_CTRL_MAGIC) {
+                err(udev, "message magic 0x%08x doesn't match, ignore it\n", uctrl_msg->ctrl_msg_wire.magic);
+                goto err;
+        }
+
+        dbg(udev, "created ctrl_msg %p (%i)\n", uctrl_msg, uctrl_msg->ctrl_msg_wire.type);
+        return uctrl_msg;
 err:
-	udev_ctrl_msg_unref(uctrl_msg);
-	return NULL;
+        udev_ctrl_msg_unref(uctrl_msg);
+        return NULL;
 }
 
 struct udev_ctrl_msg *udev_ctrl_msg_ref(struct udev_ctrl_msg *ctrl_msg)
 {
-	if (ctrl_msg == NULL)
-		return NULL;
-	ctrl_msg->refcount++;
-	return ctrl_msg;
+        if (ctrl_msg == NULL)
+                return NULL;
+        ctrl_msg->refcount++;
+        return ctrl_msg;
 }
 
 struct udev_ctrl_msg *udev_ctrl_msg_unref(struct udev_ctrl_msg *ctrl_msg)
 {
-	if (ctrl_msg == NULL)
-		return NULL;
-	ctrl_msg->refcount--;
-	if (ctrl_msg->refcount > 0)
-		return ctrl_msg;
-	dbg(ctrl_msg->conn->uctrl->udev, "release ctrl_msg %p\n", ctrl_msg);
-	udev_ctrl_connection_unref(ctrl_msg->conn);
-	free(ctrl_msg);
-	return NULL;
+        if (ctrl_msg == NULL)
+                return NULL;
+        ctrl_msg->refcount--;
+        if (ctrl_msg->refcount > 0)
+                return ctrl_msg;
+        dbg(ctrl_msg->conn->uctrl->udev, "release ctrl_msg %p\n", ctrl_msg);
+        udev_ctrl_connection_unref(ctrl_msg->conn);
+        free(ctrl_msg);
+        return NULL;
 }
 
 int udev_ctrl_get_set_log_level(struct udev_ctrl_msg *ctrl_msg)
 {
-	if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_LOG_LEVEL)
-		return ctrl_msg->ctrl_msg_wire.intval;
-	return -1;
+        if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_LOG_LEVEL)
+                return ctrl_msg->ctrl_msg_wire.intval;
+        return -1;
 }
 
 int udev_ctrl_get_stop_exec_queue(struct udev_ctrl_msg *ctrl_msg)
 {
-	if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_STOP_EXEC_QUEUE)
-		return 1;
-	return -1;
+        if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_STOP_EXEC_QUEUE)
+                return 1;
+        return -1;
 }
 
 int udev_ctrl_get_start_exec_queue(struct udev_ctrl_msg *ctrl_msg)
 {
-	if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_START_EXEC_QUEUE)
-		return 1;
-	return -1;
+        if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_START_EXEC_QUEUE)
+                return 1;
+        return -1;
 }
 
 int udev_ctrl_get_reload(struct udev_ctrl_msg *ctrl_msg)
 {
-	if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_RELOAD)
-		return 1;
-	return -1;
+        if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_RELOAD)
+                return 1;
+        return -1;
 }
 
 const char *udev_ctrl_get_set_env(struct udev_ctrl_msg *ctrl_msg)
 {
-	if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_ENV)
-		return ctrl_msg->ctrl_msg_wire.buf;
-	return NULL;
+        if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_ENV)
+                return ctrl_msg->ctrl_msg_wire.buf;
+        return NULL;
 }
 
 int udev_ctrl_get_set_children_max(struct udev_ctrl_msg *ctrl_msg)
 {
-	if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_CHILDREN_MAX)
-		return ctrl_msg->ctrl_msg_wire.intval;
-	return -1;
+        if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_SET_CHILDREN_MAX)
+                return ctrl_msg->ctrl_msg_wire.intval;
+        return -1;
 }
 
 int udev_ctrl_get_ping(struct udev_ctrl_msg *ctrl_msg)
 {
-	if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_PING)
-		return 1;
-	return -1;
+        if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_PING)
+                return 1;
+        return -1;
 }
 
 int udev_ctrl_get_exit(struct udev_ctrl_msg *ctrl_msg)
 {
-	if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_EXIT)
-		return 1;
-	return -1;
+        if (ctrl_msg->ctrl_msg_wire.type == UDEV_CTRL_EXIT)
+                return 1;
+        return -1;
 }
diff --git a/src/udev-event.c b/src/udev-event.c
index 859d811b..9bdc5186 100644
--- a/src/udev-event.c
+++ b/src/udev-event.c
@@ -38,968 +38,968 @@
 
 struct udev_event *udev_event_new(struct udev_device *dev)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	struct udev_event *event;
-
-	event = calloc(1, sizeof(struct udev_event));
-	if (event == NULL)
-		return NULL;
-	event->dev = dev;
-	event->udev = udev;
-	udev_list_init(udev, &event->run_list, false);
-	event->fd_signal = -1;
-	event->birth_usec = now_usec();
-	event->timeout_usec = 60 * 1000 * 1000;
-	dbg(event->udev, "allocated event %p\n", event);
-	return event;
+        struct udev *udev = udev_device_get_udev(dev);
+        struct udev_event *event;
+
+        event = calloc(1, sizeof(struct udev_event));
+        if (event == NULL)
+                return NULL;
+        event->dev = dev;
+        event->udev = udev;
+        udev_list_init(udev, &event->run_list, false);
+        event->fd_signal = -1;
+        event->birth_usec = now_usec();
+        event->timeout_usec = 60 * 1000 * 1000;
+        dbg(event->udev, "allocated event %p\n", event);
+        return event;
 }
 
 void udev_event_unref(struct udev_event *event)
 {
-	if (event == NULL)
-		return;
-	udev_list_cleanup(&event->run_list);
-	free(event->program_result);
-	free(event->name);
-	dbg(event->udev, "free event %p\n", event);
-	free(event);
+        if (event == NULL)
+                return;
+        udev_list_cleanup(&event->run_list);
+        free(event->program_result);
+        free(event->name);
+        dbg(event->udev, "free event %p\n", event);
+        free(event);
 }
 
 size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size)
 {
-	struct udev_device *dev = event->dev;
-	enum subst_type {
-		SUBST_UNKNOWN,
-		SUBST_DEVNODE,
-		SUBST_ATTR,
-		SUBST_ENV,
-		SUBST_KERNEL,
-		SUBST_KERNEL_NUMBER,
-		SUBST_DRIVER,
-		SUBST_DEVPATH,
-		SUBST_ID,
-		SUBST_MAJOR,
-		SUBST_MINOR,
-		SUBST_RESULT,
-		SUBST_PARENT,
-		SUBST_NAME,
-		SUBST_LINKS,
-		SUBST_ROOT,
-		SUBST_SYS,
-	};
-	static const struct subst_map {
-		char *name;
-		char fmt;
-		enum subst_type type;
-	} map[] = {
-		{ .name = "devnode",	.fmt = 'N',	.type = SUBST_DEVNODE },
-		{ .name = "tempnode",	.fmt = 'N',	.type = SUBST_DEVNODE },
-		{ .name = "attr",	.fmt = 's',	.type = SUBST_ATTR },
-		{ .name = "sysfs",	.fmt = 's',	.type = SUBST_ATTR },
-		{ .name = "env",	.fmt = 'E',	.type = SUBST_ENV },
-		{ .name = "kernel",	.fmt = 'k',	.type = SUBST_KERNEL },
-		{ .name = "number",	.fmt = 'n',	.type = SUBST_KERNEL_NUMBER },
-		{ .name = "driver",	.fmt = 'd',	.type = SUBST_DRIVER },
-		{ .name = "devpath",	.fmt = 'p',	.type = SUBST_DEVPATH },
-		{ .name = "id",		.fmt = 'b',	.type = SUBST_ID },
-		{ .name = "major",	.fmt = 'M',	.type = SUBST_MAJOR },
-		{ .name = "minor",	.fmt = 'm',	.type = SUBST_MINOR },
-		{ .name = "result",	.fmt = 'c',	.type = SUBST_RESULT },
-		{ .name = "parent",	.fmt = 'P',	.type = SUBST_PARENT },
-		{ .name = "name",	.fmt = 'D',	.type = SUBST_NAME },
-		{ .name = "links",	.fmt = 'L',	.type = SUBST_LINKS },
-		{ .name = "root",	.fmt = 'r',	.type = SUBST_ROOT },
-		{ .name = "sys",	.fmt = 'S',	.type = SUBST_SYS },
-	};
-	const char *from;
-	char *s;
-	size_t l;
-
-	from = src;
-	s = dest;
-	l = size;
-
-	for (;;) {
-		enum subst_type type = SUBST_UNKNOWN;
-		char attrbuf[UTIL_PATH_SIZE];
-		char *attr = NULL;
-
-		while (from[0] != '\0') {
-			if (from[0] == '$') {
-				/* substitute named variable */
-				unsigned int i;
-
-				if (from[1] == '$') {
-					from++;
-					goto copy;
-				}
-
-				for (i = 0; i < ARRAY_SIZE(map); i++) {
-					if (strncmp(&from[1], map[i].name, strlen(map[i].name)) == 0) {
-						type = map[i].type;
-						from += strlen(map[i].name)+1;
-						dbg(event->udev, "will substitute format name '%s'\n", map[i].name);
-						goto subst;
-					}
-				}
-			} else if (from[0] == '%') {
-				/* substitute format char */
-				unsigned int i;
-
-				if (from[1] == '%') {
-					from++;
-					goto copy;
-				}
-
-				for (i = 0; i < ARRAY_SIZE(map); i++) {
-					if (from[1] == map[i].fmt) {
-						type = map[i].type;
-						from += 2;
-						dbg(event->udev, "will substitute format char '%c'\n", map[i].fmt);
-						goto subst;
-					}
-				}
-			}
+        struct udev_device *dev = event->dev;
+        enum subst_type {
+                SUBST_UNKNOWN,
+                SUBST_DEVNODE,
+                SUBST_ATTR,
+                SUBST_ENV,
+                SUBST_KERNEL,
+                SUBST_KERNEL_NUMBER,
+                SUBST_DRIVER,
+                SUBST_DEVPATH,
+                SUBST_ID,
+                SUBST_MAJOR,
+                SUBST_MINOR,
+                SUBST_RESULT,
+                SUBST_PARENT,
+                SUBST_NAME,
+                SUBST_LINKS,
+                SUBST_ROOT,
+                SUBST_SYS,
+        };
+        static const struct subst_map {
+                char *name;
+                char fmt;
+                enum subst_type type;
+        } map[] = {
+                { .name = "devnode",        .fmt = 'N',        .type = SUBST_DEVNODE },
+                { .name = "tempnode",        .fmt = 'N',        .type = SUBST_DEVNODE },
+                { .name = "attr",        .fmt = 's',        .type = SUBST_ATTR },
+                { .name = "sysfs",        .fmt = 's',        .type = SUBST_ATTR },
+                { .name = "env",        .fmt = 'E',        .type = SUBST_ENV },
+                { .name = "kernel",        .fmt = 'k',        .type = SUBST_KERNEL },
+                { .name = "number",        .fmt = 'n',        .type = SUBST_KERNEL_NUMBER },
+                { .name = "driver",        .fmt = 'd',        .type = SUBST_DRIVER },
+                { .name = "devpath",        .fmt = 'p',        .type = SUBST_DEVPATH },
+                { .name = "id",                .fmt = 'b',        .type = SUBST_ID },
+                { .name = "major",        .fmt = 'M',        .type = SUBST_MAJOR },
+                { .name = "minor",        .fmt = 'm',        .type = SUBST_MINOR },
+                { .name = "result",        .fmt = 'c',        .type = SUBST_RESULT },
+                { .name = "parent",        .fmt = 'P',        .type = SUBST_PARENT },
+                { .name = "name",        .fmt = 'D',        .type = SUBST_NAME },
+                { .name = "links",        .fmt = 'L',        .type = SUBST_LINKS },
+                { .name = "root",        .fmt = 'r',        .type = SUBST_ROOT },
+                { .name = "sys",        .fmt = 'S',        .type = SUBST_SYS },
+        };
+        const char *from;
+        char *s;
+        size_t l;
+
+        from = src;
+        s = dest;
+        l = size;
+
+        for (;;) {
+                enum subst_type type = SUBST_UNKNOWN;
+                char attrbuf[UTIL_PATH_SIZE];
+                char *attr = NULL;
+
+                while (from[0] != '\0') {
+                        if (from[0] == '$') {
+                                /* substitute named variable */
+                                unsigned int i;
+
+                                if (from[1] == '$') {
+                                        from++;
+                                        goto copy;
+                                }
+
+                                for (i = 0; i < ARRAY_SIZE(map); i++) {
+                                        if (strncmp(&from[1], map[i].name, strlen(map[i].name)) == 0) {
+                                                type = map[i].type;
+                                                from += strlen(map[i].name)+1;
+                                                dbg(event->udev, "will substitute format name '%s'\n", map[i].name);
+                                                goto subst;
+                                        }
+                                }
+                        } else if (from[0] == '%') {
+                                /* substitute format char */
+                                unsigned int i;
+
+                                if (from[1] == '%') {
+                                        from++;
+                                        goto copy;
+                                }
+
+                                for (i = 0; i < ARRAY_SIZE(map); i++) {
+                                        if (from[1] == map[i].fmt) {
+                                                type = map[i].type;
+                                                from += 2;
+                                                dbg(event->udev, "will substitute format char '%c'\n", map[i].fmt);
+                                                goto subst;
+                                        }
+                                }
+                        }
 copy:
-			/* copy char */
-			if (l == 0)
-				goto out;
-			s[0] = from[0];
-			from++;
-			s++;
-			l--;
-		}
-
-		goto out;
+                        /* copy char */
+                        if (l == 0)
+                                goto out;
+                        s[0] = from[0];
+                        from++;
+                        s++;
+                        l--;
+                }
+
+                goto out;
 subst:
-		/* extract possible $format{attr} */
-		if (from[0] == '{') {
-			unsigned int i;
-
-			from++;
-			for (i = 0; from[i] != '}'; i++) {
-				if (from[i] == '\0') {
-					err(event->udev, "missing closing brace for format '%s'\n", src);
-					goto out;
-				}
-			}
-			if (i >= sizeof(attrbuf))
-				goto out;
-			memcpy(attrbuf, from, i);
-			attrbuf[i] = '\0';
-			from += i+1;
-			attr = attrbuf;
-		} else {
-			attr = NULL;
-		}
-
-		switch (type) {
-		case SUBST_DEVPATH:
-			l = util_strpcpy(&s, l, udev_device_get_devpath(dev));
-			dbg(event->udev, "substitute devpath '%s'\n", udev_device_get_devpath(dev));
-			break;
-		case SUBST_KERNEL:
-			l = util_strpcpy(&s, l, udev_device_get_sysname(dev));
-			dbg(event->udev, "substitute kernel name '%s'\n", udev_device_get_sysname(dev));
-			break;
-		case SUBST_KERNEL_NUMBER:
-			if (udev_device_get_sysnum(dev) == NULL)
-				break;
-			l = util_strpcpy(&s, l, udev_device_get_sysnum(dev));
-			dbg(event->udev, "substitute kernel number '%s'\n", udev_device_get_sysnum(dev));
-			break;
-		case SUBST_ID:
-			if (event->dev_parent == NULL)
-				break;
-			l = util_strpcpy(&s, l, udev_device_get_sysname(event->dev_parent));
-			dbg(event->udev, "substitute id '%s'\n", udev_device_get_sysname(event->dev_parent));
-			break;
-		case SUBST_DRIVER: {
-			const char *driver;
-
-			if (event->dev_parent == NULL)
-				break;
-
-			driver = udev_device_get_driver(event->dev_parent);
-			if (driver == NULL)
-				break;
-			l = util_strpcpy(&s, l, driver);
-			dbg(event->udev, "substitute driver '%s'\n", driver);
-			break;
-		}
-		case SUBST_MAJOR: {
-			char num[UTIL_PATH_SIZE];
-
-			sprintf(num, "%d", major(udev_device_get_devnum(dev)));
-			l = util_strpcpy(&s, l, num);
-			dbg(event->udev, "substitute major number '%s'\n", num);
-			break;
-		}
-		case SUBST_MINOR: {
-			char num[UTIL_PATH_SIZE];
-
-			sprintf(num, "%d", minor(udev_device_get_devnum(dev)));
-			l = util_strpcpy(&s, l, num);
-			dbg(event->udev, "substitute minor number '%s'\n", num);
-			break;
-		}
-		case SUBST_RESULT: {
-			char *rest;
-			int i;
-
-			if (event->program_result == NULL)
-				break;
-			/* get part part of the result string */
-			i = 0;
-			if (attr != NULL)
-				i = strtoul(attr, &rest, 10);
-			if (i > 0) {
-				char result[UTIL_PATH_SIZE];
-				char tmp[UTIL_PATH_SIZE];
-				char *cpos;
-
-				dbg(event->udev, "request part #%d of result string\n", i);
-				util_strscpy(result, sizeof(result), event->program_result);
-				cpos = result;
-				while (--i) {
-					while (cpos[0] != '\0' && !isspace(cpos[0]))
-						cpos++;
-					while (isspace(cpos[0]))
-						cpos++;
-				}
-				if (i > 0) {
-					err(event->udev, "requested part of result string not found\n");
-					break;
-				}
-				util_strscpy(tmp, sizeof(tmp), cpos);
-				/* %{2+}c copies the whole string from the second part on */
-				if (rest[0] != '+') {
-					cpos = strchr(tmp, ' ');
-					if (cpos)
-						cpos[0] = '\0';
-				}
-				l = util_strpcpy(&s, l, tmp);
-				dbg(event->udev, "substitute part of result string '%s'\n", tmp);
-			} else {
-				l = util_strpcpy(&s, l, event->program_result);
-				dbg(event->udev, "substitute result string '%s'\n", event->program_result);
-			}
-			break;
-		}
-		case SUBST_ATTR: {
-			const char *value = NULL;
-			char vbuf[UTIL_NAME_SIZE];
-			size_t len;
-			int count;
-
-			if (attr == NULL) {
-				err(event->udev, "missing file parameter for attr\n");
-				break;
-			}
-
-			/* try to read the value specified by "[dmi/id]product_name" */
-			if (util_resolve_subsys_kernel(event->udev, attr, vbuf, sizeof(vbuf), 1) == 0)
-				value = vbuf;
-
-			/* try to read the attribute the device */
-			if (value == NULL)
-				value = udev_device_get_sysattr_value(event->dev, attr);
-
-			/* try to read the attribute of the parent device, other matches have selected */
-			if (value == NULL && event->dev_parent != NULL && event->dev_parent != event->dev)
-				value = udev_device_get_sysattr_value(event->dev_parent, attr);
-
-			if (value == NULL)
-				break;
-
-			/* strip trailing whitespace, and replace unwanted characters */
-			if (value != vbuf)
-				util_strscpy(vbuf, sizeof(vbuf), value);
-			len = strlen(vbuf);
-			while (len > 0 && isspace(vbuf[--len]))
-				vbuf[len] = '\0';
-			count = util_replace_chars(vbuf, UDEV_ALLOWED_CHARS_INPUT);
-			if (count > 0)
-				info(event->udev, "%i character(s) replaced\n" , count);
-			l = util_strpcpy(&s, l, vbuf);
-			dbg(event->udev, "substitute sysfs value '%s'\n", vbuf);
-			break;
-		}
-		case SUBST_PARENT: {
-			struct udev_device *dev_parent;
-			const char *devnode;
-
-			dev_parent = udev_device_get_parent(event->dev);
-			if (dev_parent == NULL)
-				break;
-			devnode = udev_device_get_devnode(dev_parent);
-			if (devnode != NULL) {
-				size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
-
-				l = util_strpcpy(&s, l, &devnode[devlen]);
-				dbg(event->udev, "found parent '%s', got node name '%s'\n",
-				    udev_device_get_syspath(dev_parent), &devnode[devlen]);
-			}
-			break;
-		}
-		case SUBST_DEVNODE:
-			if (udev_device_get_devnode(dev) != NULL)
-				l = util_strpcpy(&s, l, udev_device_get_devnode(dev));
-			break;
-		case SUBST_NAME:
-			if (event->name != NULL) {
-				l = util_strpcpy(&s, l, event->name);
-				dbg(event->udev, "substitute name '%s'\n", event->name);
-			} else {
-				l = util_strpcpy(&s, l, udev_device_get_sysname(dev));
-				dbg(event->udev, "substitute sysname '%s'\n", udev_device_get_sysname(dev));
-			}
-			break;
-		case SUBST_LINKS: {
-			size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
-			struct udev_list_entry *list_entry;
-
-			list_entry = udev_device_get_devlinks_list_entry(dev);
-			if (list_entry == NULL)
-				break;
-			l = util_strpcpy(&s, l, &udev_list_entry_get_name(list_entry)[devlen]);
-			udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry))
-				l = util_strpcpyl(&s, l, " ", &udev_list_entry_get_name(list_entry)[devlen], NULL);
-			break;
-		}
-		case SUBST_ROOT:
-			l = util_strpcpy(&s, l, udev_get_dev_path(event->udev));
-			dbg(event->udev, "substitute udev_root '%s'\n", udev_get_dev_path(event->udev));
-			break;
-		case SUBST_SYS:
-			l = util_strpcpy(&s, l, udev_get_sys_path(event->udev));
-			dbg(event->udev, "substitute sys_path '%s'\n", udev_get_sys_path(event->udev));
-			break;
-		case SUBST_ENV:
-			if (attr == NULL) {
-				dbg(event->udev, "missing attribute\n");
-				break;
-			} else {
-				const char *value;
-
-				value = udev_device_get_property_value(event->dev, attr);
-				if (value == NULL)
-					break;
-				dbg(event->udev, "substitute env '%s=%s'\n", attr, value);
-				l = util_strpcpy(&s, l, value);
-				break;
-			}
-		default:
-			err(event->udev, "unknown substitution type=%i\n", type);
-			break;
-		}
-	}
+                /* extract possible $format{attr} */
+                if (from[0] == '{') {
+                        unsigned int i;
+
+                        from++;
+                        for (i = 0; from[i] != '}'; i++) {
+                                if (from[i] == '\0') {
+                                        err(event->udev, "missing closing brace for format '%s'\n", src);
+                                        goto out;
+                                }
+                        }
+                        if (i >= sizeof(attrbuf))
+                                goto out;
+                        memcpy(attrbuf, from, i);
+                        attrbuf[i] = '\0';
+                        from += i+1;
+                        attr = attrbuf;
+                } else {
+                        attr = NULL;
+                }
+
+                switch (type) {
+                case SUBST_DEVPATH:
+                        l = util_strpcpy(&s, l, udev_device_get_devpath(dev));
+                        dbg(event->udev, "substitute devpath '%s'\n", udev_device_get_devpath(dev));
+                        break;
+                case SUBST_KERNEL:
+                        l = util_strpcpy(&s, l, udev_device_get_sysname(dev));
+                        dbg(event->udev, "substitute kernel name '%s'\n", udev_device_get_sysname(dev));
+                        break;
+                case SUBST_KERNEL_NUMBER:
+                        if (udev_device_get_sysnum(dev) == NULL)
+                                break;
+                        l = util_strpcpy(&s, l, udev_device_get_sysnum(dev));
+                        dbg(event->udev, "substitute kernel number '%s'\n", udev_device_get_sysnum(dev));
+                        break;
+                case SUBST_ID:
+                        if (event->dev_parent == NULL)
+                                break;
+                        l = util_strpcpy(&s, l, udev_device_get_sysname(event->dev_parent));
+                        dbg(event->udev, "substitute id '%s'\n", udev_device_get_sysname(event->dev_parent));
+                        break;
+                case SUBST_DRIVER: {
+                        const char *driver;
+
+                        if (event->dev_parent == NULL)
+                                break;
+
+                        driver = udev_device_get_driver(event->dev_parent);
+                        if (driver == NULL)
+                                break;
+                        l = util_strpcpy(&s, l, driver);
+                        dbg(event->udev, "substitute driver '%s'\n", driver);
+                        break;
+                }
+                case SUBST_MAJOR: {
+                        char num[UTIL_PATH_SIZE];
+
+                        sprintf(num, "%d", major(udev_device_get_devnum(dev)));
+                        l = util_strpcpy(&s, l, num);
+                        dbg(event->udev, "substitute major number '%s'\n", num);
+                        break;
+                }
+                case SUBST_MINOR: {
+                        char num[UTIL_PATH_SIZE];
+
+                        sprintf(num, "%d", minor(udev_device_get_devnum(dev)));
+                        l = util_strpcpy(&s, l, num);
+                        dbg(event->udev, "substitute minor number '%s'\n", num);
+                        break;
+                }
+                case SUBST_RESULT: {
+                        char *rest;
+                        int i;
+
+                        if (event->program_result == NULL)
+                                break;
+                        /* get part part of the result string */
+                        i = 0;
+                        if (attr != NULL)
+                                i = strtoul(attr, &rest, 10);
+                        if (i > 0) {
+                                char result[UTIL_PATH_SIZE];
+                                char tmp[UTIL_PATH_SIZE];
+                                char *cpos;
+
+                                dbg(event->udev, "request part #%d of result string\n", i);
+                                util_strscpy(result, sizeof(result), event->program_result);
+                                cpos = result;
+                                while (--i) {
+                                        while (cpos[0] != '\0' && !isspace(cpos[0]))
+                                                cpos++;
+                                        while (isspace(cpos[0]))
+                                                cpos++;
+                                }
+                                if (i > 0) {
+                                        err(event->udev, "requested part of result string not found\n");
+                                        break;
+                                }
+                                util_strscpy(tmp, sizeof(tmp), cpos);
+                                /* %{2+}c copies the whole string from the second part on */
+                                if (rest[0] != '+') {
+                                        cpos = strchr(tmp, ' ');
+                                        if (cpos)
+                                                cpos[0] = '\0';
+                                }
+                                l = util_strpcpy(&s, l, tmp);
+                                dbg(event->udev, "substitute part of result string '%s'\n", tmp);
+                        } else {
+                                l = util_strpcpy(&s, l, event->program_result);
+                                dbg(event->udev, "substitute result string '%s'\n", event->program_result);
+                        }
+                        break;
+                }
+                case SUBST_ATTR: {
+                        const char *value = NULL;
+                        char vbuf[UTIL_NAME_SIZE];
+                        size_t len;
+                        int count;
+
+                        if (attr == NULL) {
+                                err(event->udev, "missing file parameter for attr\n");
+                                break;
+                        }
+
+                        /* try to read the value specified by "[dmi/id]product_name" */
+                        if (util_resolve_subsys_kernel(event->udev, attr, vbuf, sizeof(vbuf), 1) == 0)
+                                value = vbuf;
+
+                        /* try to read the attribute the device */
+                        if (value == NULL)
+                                value = udev_device_get_sysattr_value(event->dev, attr);
+
+                        /* try to read the attribute of the parent device, other matches have selected */
+                        if (value == NULL && event->dev_parent != NULL && event->dev_parent != event->dev)
+                                value = udev_device_get_sysattr_value(event->dev_parent, attr);
+
+                        if (value == NULL)
+                                break;
+
+                        /* strip trailing whitespace, and replace unwanted characters */
+                        if (value != vbuf)
+                                util_strscpy(vbuf, sizeof(vbuf), value);
+                        len = strlen(vbuf);
+                        while (len > 0 && isspace(vbuf[--len]))
+                                vbuf[len] = '\0';
+                        count = util_replace_chars(vbuf, UDEV_ALLOWED_CHARS_INPUT);
+                        if (count > 0)
+                                info(event->udev, "%i character(s) replaced\n" , count);
+                        l = util_strpcpy(&s, l, vbuf);
+                        dbg(event->udev, "substitute sysfs value '%s'\n", vbuf);
+                        break;
+                }
+                case SUBST_PARENT: {
+                        struct udev_device *dev_parent;
+                        const char *devnode;
+
+                        dev_parent = udev_device_get_parent(event->dev);
+                        if (dev_parent == NULL)
+                                break;
+                        devnode = udev_device_get_devnode(dev_parent);
+                        if (devnode != NULL) {
+                                size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
+
+                                l = util_strpcpy(&s, l, &devnode[devlen]);
+                                dbg(event->udev, "found parent '%s', got node name '%s'\n",
+                                    udev_device_get_syspath(dev_parent), &devnode[devlen]);
+                        }
+                        break;
+                }
+                case SUBST_DEVNODE:
+                        if (udev_device_get_devnode(dev) != NULL)
+                                l = util_strpcpy(&s, l, udev_device_get_devnode(dev));
+                        break;
+                case SUBST_NAME:
+                        if (event->name != NULL) {
+                                l = util_strpcpy(&s, l, event->name);
+                                dbg(event->udev, "substitute name '%s'\n", event->name);
+                        } else {
+                                l = util_strpcpy(&s, l, udev_device_get_sysname(dev));
+                                dbg(event->udev, "substitute sysname '%s'\n", udev_device_get_sysname(dev));
+                        }
+                        break;
+                case SUBST_LINKS: {
+                        size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
+                        struct udev_list_entry *list_entry;
+
+                        list_entry = udev_device_get_devlinks_list_entry(dev);
+                        if (list_entry == NULL)
+                                break;
+                        l = util_strpcpy(&s, l, &udev_list_entry_get_name(list_entry)[devlen]);
+                        udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry))
+                                l = util_strpcpyl(&s, l, " ", &udev_list_entry_get_name(list_entry)[devlen], NULL);
+                        break;
+                }
+                case SUBST_ROOT:
+                        l = util_strpcpy(&s, l, udev_get_dev_path(event->udev));
+                        dbg(event->udev, "substitute udev_root '%s'\n", udev_get_dev_path(event->udev));
+                        break;
+                case SUBST_SYS:
+                        l = util_strpcpy(&s, l, udev_get_sys_path(event->udev));
+                        dbg(event->udev, "substitute sys_path '%s'\n", udev_get_sys_path(event->udev));
+                        break;
+                case SUBST_ENV:
+                        if (attr == NULL) {
+                                dbg(event->udev, "missing attribute\n");
+                                break;
+                        } else {
+                                const char *value;
+
+                                value = udev_device_get_property_value(event->dev, attr);
+                                if (value == NULL)
+                                        break;
+                                dbg(event->udev, "substitute env '%s=%s'\n", attr, value);
+                                l = util_strpcpy(&s, l, value);
+                                break;
+                        }
+                default:
+                        err(event->udev, "unknown substitution type=%i\n", type);
+                        break;
+                }
+        }
 
 out:
-	s[0] = '\0';
-	dbg(event->udev, "'%s' -> '%s' (%zu)\n", src, dest, l);
-	return l;
+        s[0] = '\0';
+        dbg(event->udev, "'%s' -> '%s' (%zu)\n", src, dest, l);
+        return l;
 }
 
 static int spawn_exec(struct udev_event *event,
-		      const char *cmd, char *const argv[], char **envp, const sigset_t *sigmask,
-		      int fd_stdout, int fd_stderr)
+                      const char *cmd, char *const argv[], char **envp, const sigset_t *sigmask,
+                      int fd_stdout, int fd_stderr)
 {
-	struct udev *udev = event->udev;
-	int err;
-	int fd;
-
-	/* discard child output or connect to pipe */
-	fd = open("/dev/null", O_RDWR);
-	if (fd >= 0) {
-		dup2(fd, STDIN_FILENO);
-		if (fd_stdout < 0)
-			dup2(fd, STDOUT_FILENO);
-		if (fd_stderr < 0)
-			dup2(fd, STDERR_FILENO);
-		close(fd);
-	} else {
-		err(udev, "open /dev/null failed: %m\n");
-	}
-
-	/* connect pipes to std{out,err} */
-	if (fd_stdout >= 0) {
-		dup2(fd_stdout, STDOUT_FILENO);
-			close(fd_stdout);
-	}
-	if (fd_stderr >= 0) {
-		dup2(fd_stderr, STDERR_FILENO);
-		close(fd_stderr);
-	}
-
-	/* terminate child in case parent goes away */
-	prctl(PR_SET_PDEATHSIG, SIGTERM);
-
-	/* restore original udev sigmask before exec */
-	if (sigmask)
-		sigprocmask(SIG_SETMASK, sigmask, NULL);
-
-	execve(argv[0], argv, envp);
-
-	/* exec failed */
-	err = -errno;
-	err(udev, "failed to execute '%s' '%s': %m\n", argv[0], cmd);
-	return err;
+        struct udev *udev = event->udev;
+        int err;
+        int fd;
+
+        /* discard child output or connect to pipe */
+        fd = open("/dev/null", O_RDWR);
+        if (fd >= 0) {
+                dup2(fd, STDIN_FILENO);
+                if (fd_stdout < 0)
+                        dup2(fd, STDOUT_FILENO);
+                if (fd_stderr < 0)
+                        dup2(fd, STDERR_FILENO);
+                close(fd);
+        } else {
+                err(udev, "open /dev/null failed: %m\n");
+        }
+
+        /* connect pipes to std{out,err} */
+        if (fd_stdout >= 0) {
+                dup2(fd_stdout, STDOUT_FILENO);
+                        close(fd_stdout);
+        }
+        if (fd_stderr >= 0) {
+                dup2(fd_stderr, STDERR_FILENO);
+                close(fd_stderr);
+        }
+
+        /* terminate child in case parent goes away */
+        prctl(PR_SET_PDEATHSIG, SIGTERM);
+
+        /* restore original udev sigmask before exec */
+        if (sigmask)
+                sigprocmask(SIG_SETMASK, sigmask, NULL);
+
+        execve(argv[0], argv, envp);
+
+        /* exec failed */
+        err = -errno;
+        err(udev, "failed to execute '%s' '%s': %m\n", argv[0], cmd);
+        return err;
 }
 
 static void spawn_read(struct udev_event *event,
-		      const char *cmd,
-		      int fd_stdout, int fd_stderr,
-		      char *result, size_t ressize)
+                      const char *cmd,
+                      int fd_stdout, int fd_stderr,
+                      char *result, size_t ressize)
 {
-	struct udev *udev = event->udev;
-	size_t respos = 0;
-	int fd_ep = -1;
-	struct epoll_event ep_outpipe, ep_errpipe;
-
-	/* read from child if requested */
-	if (fd_stdout < 0 && fd_stderr < 0)
-		return;
-
-	fd_ep = epoll_create1(EPOLL_CLOEXEC);
-	if (fd_ep < 0) {
-		err(udev, "error creating epoll fd: %m\n");
-		goto out;
-	}
-
-	if (fd_stdout >= 0) {
-		memset(&ep_outpipe, 0, sizeof(struct epoll_event));
-		ep_outpipe.events = EPOLLIN;
-		ep_outpipe.data.ptr = &fd_stdout;
-		if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stdout, &ep_outpipe) < 0) {
-			err(udev, "fail to add fd to epoll: %m\n");
-			goto out;
-		}
-	}
-
-	if (fd_stderr >= 0) {
-		memset(&ep_errpipe, 0, sizeof(struct epoll_event));
-		ep_errpipe.events = EPOLLIN;
-		ep_errpipe.data.ptr = &fd_stderr;
-		if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stderr, &ep_errpipe) < 0) {
-			err(udev, "fail to add fd to epoll: %m\n");
-			goto out;
-		}
-	}
-
-	/* read child output */
-	while (fd_stdout >= 0 || fd_stderr >= 0) {
-		int timeout;
-		int fdcount;
-		struct epoll_event ev[4];
-		int i;
-
-		if (event->timeout_usec > 0) {
-			unsigned long long age_usec;
-
-			age_usec = now_usec() - event->birth_usec;
-			if (age_usec >= event->timeout_usec) {
-				err(udev, "timeout '%s'\n", cmd);
-				goto out;
-			}
-			timeout = ((event->timeout_usec - age_usec) / 1000) + 1000;
-		} else {
-			timeout = -1;
-		}
-
-		fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), timeout);
-		if (fdcount < 0) {
-			if (errno == EINTR)
-				continue;
-			err(udev, "failed to poll: %m\n");
-			goto out;
-		}
-		if (fdcount == 0) {
-			err(udev, "timeout '%s'\n", cmd);
-			goto out;
-		}
-
-		for (i = 0; i < fdcount; i++) {
-			int *fd = (int *)ev[i].data.ptr;
-
-			if (ev[i].events & EPOLLIN) {
-				ssize_t count;
-				char buf[4096];
-
-				count = read(*fd, buf, sizeof(buf)-1);
-				if (count <= 0)
-					continue;
-				buf[count] = '\0';
-
-				/* store stdout result */
-				if (result != NULL && *fd == fd_stdout) {
-					if (respos + count < ressize) {
-						memcpy(&result[respos], buf, count);
-						respos += count;
-					} else {
-						err(udev, "'%s' ressize %zd too short\n", cmd, ressize);
-					}
-				}
-
-				/* log debug output only if we watch stderr */
-				if (fd_stderr >= 0) {
-					char *pos;
-					char *line;
-
-					pos = buf;
-					while ((line = strsep(&pos, "\n"))) {
-						if (pos != NULL || line[0] != '\0')
-							info(udev, "'%s'(%s) '%s'\n", cmd, *fd == fd_stdout ? "out" : "err" , line);
-					}
-				}
-			} else if (ev[i].events & EPOLLHUP) {
-				if (epoll_ctl(fd_ep, EPOLL_CTL_DEL, *fd, NULL) < 0) {
-					err(udev, "failed to remove fd from epoll: %m\n");
-					goto out;
-				}
-				*fd = -1;
-			}
-		}
-	}
-
-	/* return the child's stdout string */
-	if (result != NULL) {
-		result[respos] = '\0';
-		dbg(udev, "result='%s'\n", result);
-	}
+        struct udev *udev = event->udev;
+        size_t respos = 0;
+        int fd_ep = -1;
+        struct epoll_event ep_outpipe, ep_errpipe;
+
+        /* read from child if requested */
+        if (fd_stdout < 0 && fd_stderr < 0)
+                return;
+
+        fd_ep = epoll_create1(EPOLL_CLOEXEC);
+        if (fd_ep < 0) {
+                err(udev, "error creating epoll fd: %m\n");
+                goto out;
+        }
+
+        if (fd_stdout >= 0) {
+                memset(&ep_outpipe, 0, sizeof(struct epoll_event));
+                ep_outpipe.events = EPOLLIN;
+                ep_outpipe.data.ptr = &fd_stdout;
+                if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stdout, &ep_outpipe) < 0) {
+                        err(udev, "fail to add fd to epoll: %m\n");
+                        goto out;
+                }
+        }
+
+        if (fd_stderr >= 0) {
+                memset(&ep_errpipe, 0, sizeof(struct epoll_event));
+                ep_errpipe.events = EPOLLIN;
+                ep_errpipe.data.ptr = &fd_stderr;
+                if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_stderr, &ep_errpipe) < 0) {
+                        err(udev, "fail to add fd to epoll: %m\n");
+                        goto out;
+                }
+        }
+
+        /* read child output */
+        while (fd_stdout >= 0 || fd_stderr >= 0) {
+                int timeout;
+                int fdcount;
+                struct epoll_event ev[4];
+                int i;
+
+                if (event->timeout_usec > 0) {
+                        unsigned long long age_usec;
+
+                        age_usec = now_usec() - event->birth_usec;
+                        if (age_usec >= event->timeout_usec) {
+                                err(udev, "timeout '%s'\n", cmd);
+                                goto out;
+                        }
+                        timeout = ((event->timeout_usec - age_usec) / 1000) + 1000;
+                } else {
+                        timeout = -1;
+                }
+
+                fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), timeout);
+                if (fdcount < 0) {
+                        if (errno == EINTR)
+                                continue;
+                        err(udev, "failed to poll: %m\n");
+                        goto out;
+                }
+                if (fdcount == 0) {
+                        err(udev, "timeout '%s'\n", cmd);
+                        goto out;
+                }
+
+                for (i = 0; i < fdcount; i++) {
+                        int *fd = (int *)ev[i].data.ptr;
+
+                        if (ev[i].events & EPOLLIN) {
+                                ssize_t count;
+                                char buf[4096];
+
+                                count = read(*fd, buf, sizeof(buf)-1);
+                                if (count <= 0)
+                                        continue;
+                                buf[count] = '\0';
+
+                                /* store stdout result */
+                                if (result != NULL && *fd == fd_stdout) {
+                                        if (respos + count < ressize) {
+                                                memcpy(&result[respos], buf, count);
+                                                respos += count;
+                                        } else {
+                                                err(udev, "'%s' ressize %zd too short\n", cmd, ressize);
+                                        }
+                                }
+
+                                /* log debug output only if we watch stderr */
+                                if (fd_stderr >= 0) {
+                                        char *pos;
+                                        char *line;
+
+                                        pos = buf;
+                                        while ((line = strsep(&pos, "\n"))) {
+                                                if (pos != NULL || line[0] != '\0')
+                                                        info(udev, "'%s'(%s) '%s'\n", cmd, *fd == fd_stdout ? "out" : "err" , line);
+                                        }
+                                }
+                        } else if (ev[i].events & EPOLLHUP) {
+                                if (epoll_ctl(fd_ep, EPOLL_CTL_DEL, *fd, NULL) < 0) {
+                                        err(udev, "failed to remove fd from epoll: %m\n");
+                                        goto out;
+                                }
+                                *fd = -1;
+                        }
+                }
+        }
+
+        /* return the child's stdout string */
+        if (result != NULL) {
+                result[respos] = '\0';
+                dbg(udev, "result='%s'\n", result);
+        }
 out:
-	if (fd_ep >= 0)
-		close(fd_ep);
+        if (fd_ep >= 0)
+                close(fd_ep);
 }
 
 static int spawn_wait(struct udev_event *event, const char *cmd, pid_t pid)
 {
-	struct udev *udev = event->udev;
-	struct pollfd pfd[1];
-	int err = 0;
-
-	pfd[0].events = POLLIN;
-	pfd[0].fd = event->fd_signal;
-
-	while (pid > 0) {
-		int timeout;
-		int fdcount;
-
-		if (event->timeout_usec > 0) {
-			unsigned long long age_usec;
-
-			age_usec = now_usec() - event->birth_usec;
-			if (age_usec >= event->timeout_usec)
-				timeout = 1000;
-			else
-				timeout = ((event->timeout_usec - age_usec) / 1000) + 1000;
-		} else {
-			timeout = -1;
-		}
-
-		fdcount = poll(pfd, 1, timeout);
-		if (fdcount < 0) {
-			if (errno == EINTR)
-				continue;
-			err = -errno;
-			err(udev, "failed to poll: %m\n");
-			goto out;
-		}
-		if (fdcount == 0) {
-			err(udev, "timeout: killing '%s' [%u]\n", cmd, pid);
-			kill(pid, SIGKILL);
-		}
-
-		if (pfd[0].revents & POLLIN) {
-			struct signalfd_siginfo fdsi;
-			int status;
-			ssize_t size;
-
-			size = read(event->fd_signal, &fdsi, sizeof(struct signalfd_siginfo));
-			if (size != sizeof(struct signalfd_siginfo))
-				continue;
-
-			switch (fdsi.ssi_signo) {
-			case SIGTERM:
-				event->sigterm = true;
-				break;
-			case SIGCHLD:
-				if (waitpid(pid, &status, WNOHANG) < 0)
-					break;
-				if (WIFEXITED(status)) {
-					info(udev, "'%s' [%u] exit with return code %i\n", cmd, pid, WEXITSTATUS(status));
-					if (WEXITSTATUS(status) != 0)
-						err = -1;
-				} else if (WIFSIGNALED(status)) {
-					err(udev, "'%s' [%u] terminated by signal %i (%s)\n", cmd, pid, WTERMSIG(status), strsignal(WTERMSIG(status)));
-					err = -1;
-				} else if (WIFSTOPPED(status)) {
-					err(udev, "'%s' [%u] stopped\n", cmd, pid);
-					err = -1;
-				} else if (WIFCONTINUED(status)) {
-					err(udev, "'%s' [%u] continued\n", cmd, pid);
-					err = -1;
-				} else {
-					err(udev, "'%s' [%u] exit with status 0x%04x\n", cmd, pid, status);
-					err = -1;
-				}
-				pid = 0;
-				break;
-			}
-		}
-	}
+        struct udev *udev = event->udev;
+        struct pollfd pfd[1];
+        int err = 0;
+
+        pfd[0].events = POLLIN;
+        pfd[0].fd = event->fd_signal;
+
+        while (pid > 0) {
+                int timeout;
+                int fdcount;
+
+                if (event->timeout_usec > 0) {
+                        unsigned long long age_usec;
+
+                        age_usec = now_usec() - event->birth_usec;
+                        if (age_usec >= event->timeout_usec)
+                                timeout = 1000;
+                        else
+                                timeout = ((event->timeout_usec - age_usec) / 1000) + 1000;
+                } else {
+                        timeout = -1;
+                }
+
+                fdcount = poll(pfd, 1, timeout);
+                if (fdcount < 0) {
+                        if (errno == EINTR)
+                                continue;
+                        err = -errno;
+                        err(udev, "failed to poll: %m\n");
+                        goto out;
+                }
+                if (fdcount == 0) {
+                        err(udev, "timeout: killing '%s' [%u]\n", cmd, pid);
+                        kill(pid, SIGKILL);
+                }
+
+                if (pfd[0].revents & POLLIN) {
+                        struct signalfd_siginfo fdsi;
+                        int status;
+                        ssize_t size;
+
+                        size = read(event->fd_signal, &fdsi, sizeof(struct signalfd_siginfo));
+                        if (size != sizeof(struct signalfd_siginfo))
+                                continue;
+
+                        switch (fdsi.ssi_signo) {
+                        case SIGTERM:
+                                event->sigterm = true;
+                                break;
+                        case SIGCHLD:
+                                if (waitpid(pid, &status, WNOHANG) < 0)
+                                        break;
+                                if (WIFEXITED(status)) {
+                                        info(udev, "'%s' [%u] exit with return code %i\n", cmd, pid, WEXITSTATUS(status));
+                                        if (WEXITSTATUS(status) != 0)
+                                                err = -1;
+                                } else if (WIFSIGNALED(status)) {
+                                        err(udev, "'%s' [%u] terminated by signal %i (%s)\n", cmd, pid, WTERMSIG(status), strsignal(WTERMSIG(status)));
+                                        err = -1;
+                                } else if (WIFSTOPPED(status)) {
+                                        err(udev, "'%s' [%u] stopped\n", cmd, pid);
+                                        err = -1;
+                                } else if (WIFCONTINUED(status)) {
+                                        err(udev, "'%s' [%u] continued\n", cmd, pid);
+                                        err = -1;
+                                } else {
+                                        err(udev, "'%s' [%u] exit with status 0x%04x\n", cmd, pid, status);
+                                        err = -1;
+                                }
+                                pid = 0;
+                                break;
+                        }
+                }
+        }
 out:
-	return err;
+        return err;
 }
 
 int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[])
 {
-	int i = 0;
-	char *pos;
-
-	if (strchr(cmd, ' ') == NULL) {
-		argv[i++] = cmd;
-		goto out;
-	}
-
-	pos = cmd;
-	while (pos != NULL && pos[0] != '\0') {
-		if (pos[0] == '\'') {
-			/* do not separate quotes */
-			pos++;
-			argv[i] = strsep(&pos, "\'");
-			if (pos != NULL)
-				while (pos[0] == ' ')
-					pos++;
-		} else {
-			argv[i] = strsep(&pos, " ");
-			if (pos != NULL)
-				while (pos[0] == ' ')
-					pos++;
-		}
-		dbg(udev, "argv[%i] '%s'\n", i, argv[i]);
-		i++;
-	}
+        int i = 0;
+        char *pos;
+
+        if (strchr(cmd, ' ') == NULL) {
+                argv[i++] = cmd;
+                goto out;
+        }
+
+        pos = cmd;
+        while (pos != NULL && pos[0] != '\0') {
+                if (pos[0] == '\'') {
+                        /* do not separate quotes */
+                        pos++;
+                        argv[i] = strsep(&pos, "\'");
+                        if (pos != NULL)
+                                while (pos[0] == ' ')
+                                        pos++;
+                } else {
+                        argv[i] = strsep(&pos, " ");
+                        if (pos != NULL)
+                                while (pos[0] == ' ')
+                                        pos++;
+                }
+                dbg(udev, "argv[%i] '%s'\n", i, argv[i]);
+                i++;
+        }
 out:
-	argv[i] = NULL;
-	if (argc)
-		*argc = i;
-	return 0;
+        argv[i] = NULL;
+        if (argc)
+                *argc = i;
+        return 0;
 }
 
 int udev_event_spawn(struct udev_event *event,
-		     const char *cmd, char **envp, const sigset_t *sigmask,
-		     char *result, size_t ressize)
+                     const char *cmd, char **envp, const sigset_t *sigmask,
+                     char *result, size_t ressize)
 {
-	struct udev *udev = event->udev;
-	int outpipe[2] = {-1, -1};
-	int errpipe[2] = {-1, -1};
-	pid_t pid;
-	char arg[UTIL_PATH_SIZE];
-	char *argv[128];
-	char program[UTIL_PATH_SIZE];
-	int err = 0;
-
-	util_strscpy(arg, sizeof(arg), cmd);
-	udev_build_argv(event->udev, arg, NULL, argv);
-
-	/* pipes from child to parent */
-	if (result != NULL || udev_get_log_priority(udev) >= LOG_INFO) {
-		if (pipe2(outpipe, O_NONBLOCK) != 0) {
-			err = -errno;
-			err(udev, "pipe failed: %m\n");
-			goto out;
-		}
-	}
-	if (udev_get_log_priority(udev) >= LOG_INFO) {
-		if (pipe2(errpipe, O_NONBLOCK) != 0) {
-			err = -errno;
-			err(udev, "pipe failed: %m\n");
-			goto out;
-		}
-	}
-
-	/* allow programs in /usr/lib/udev/ to be called without the path */
-	if (argv[0][0] != '/') {
-		util_strscpyl(program, sizeof(program), PKGLIBEXECDIR "/", argv[0], NULL);
-		argv[0] = program;
-	}
-
-	pid = fork();
-	switch(pid) {
-	case 0:
-		/* child closes parent's ends of pipes */
-		if (outpipe[READ_END] >= 0) {
-			close(outpipe[READ_END]);
-			outpipe[READ_END] = -1;
-		}
-		if (errpipe[READ_END] >= 0) {
-			close(errpipe[READ_END]);
-			errpipe[READ_END] = -1;
-		}
-
-		info(udev, "starting '%s'\n", cmd);
-
-		err = spawn_exec(event, cmd, argv, envp, sigmask,
-				 outpipe[WRITE_END], errpipe[WRITE_END]);
-
-		_exit(2 );
-	case -1:
-		err(udev, "fork of '%s' failed: %m\n", cmd);
-		err = -1;
-		goto out;
-	default:
-		/* parent closed child's ends of pipes */
-		if (outpipe[WRITE_END] >= 0) {
-			close(outpipe[WRITE_END]);
-			outpipe[WRITE_END] = -1;
-		}
-		if (errpipe[WRITE_END] >= 0) {
-			close(errpipe[WRITE_END]);
-			errpipe[WRITE_END] = -1;
-		}
-
-		spawn_read(event, cmd,
-			 outpipe[READ_END], errpipe[READ_END],
-			 result, ressize);
-
-		err = spawn_wait(event, cmd, pid);
-	}
+        struct udev *udev = event->udev;
+        int outpipe[2] = {-1, -1};
+        int errpipe[2] = {-1, -1};
+        pid_t pid;
+        char arg[UTIL_PATH_SIZE];
+        char *argv[128];
+        char program[UTIL_PATH_SIZE];
+        int err = 0;
+
+        util_strscpy(arg, sizeof(arg), cmd);
+        udev_build_argv(event->udev, arg, NULL, argv);
+
+        /* pipes from child to parent */
+        if (result != NULL || udev_get_log_priority(udev) >= LOG_INFO) {
+                if (pipe2(outpipe, O_NONBLOCK) != 0) {
+                        err = -errno;
+                        err(udev, "pipe failed: %m\n");
+                        goto out;
+                }
+        }
+        if (udev_get_log_priority(udev) >= LOG_INFO) {
+                if (pipe2(errpipe, O_NONBLOCK) != 0) {
+                        err = -errno;
+                        err(udev, "pipe failed: %m\n");
+                        goto out;
+                }
+        }
+
+        /* allow programs in /usr/lib/udev/ to be called without the path */
+        if (argv[0][0] != '/') {
+                util_strscpyl(program, sizeof(program), PKGLIBEXECDIR "/", argv[0], NULL);
+                argv[0] = program;
+        }
+
+        pid = fork();
+        switch(pid) {
+        case 0:
+                /* child closes parent's ends of pipes */
+                if (outpipe[READ_END] >= 0) {
+                        close(outpipe[READ_END]);
+                        outpipe[READ_END] = -1;
+                }
+                if (errpipe[READ_END] >= 0) {
+                        close(errpipe[READ_END]);
+                        errpipe[READ_END] = -1;
+                }
+
+                info(udev, "starting '%s'\n", cmd);
+
+                err = spawn_exec(event, cmd, argv, envp, sigmask,
+                                 outpipe[WRITE_END], errpipe[WRITE_END]);
+
+                _exit(2 );
+        case -1:
+                err(udev, "fork of '%s' failed: %m\n", cmd);
+                err = -1;
+                goto out;
+        default:
+                /* parent closed child's ends of pipes */
+                if (outpipe[WRITE_END] >= 0) {
+                        close(outpipe[WRITE_END]);
+                        outpipe[WRITE_END] = -1;
+                }
+                if (errpipe[WRITE_END] >= 0) {
+                        close(errpipe[WRITE_END]);
+                        errpipe[WRITE_END] = -1;
+                }
+
+                spawn_read(event, cmd,
+                         outpipe[READ_END], errpipe[READ_END],
+                         result, ressize);
+
+                err = spawn_wait(event, cmd, pid);
+        }
 
 out:
-	if (outpipe[READ_END] >= 0)
-		close(outpipe[READ_END]);
-	if (outpipe[WRITE_END] >= 0)
-		close(outpipe[WRITE_END]);
-	if (errpipe[READ_END] >= 0)
-		close(errpipe[READ_END]);
-	if (errpipe[WRITE_END] >= 0)
-		close(errpipe[WRITE_END]);
-	return err;
+        if (outpipe[READ_END] >= 0)
+                close(outpipe[READ_END]);
+        if (outpipe[WRITE_END] >= 0)
+                close(outpipe[WRITE_END]);
+        if (errpipe[READ_END] >= 0)
+                close(errpipe[READ_END]);
+        if (errpipe[WRITE_END] >= 0)
+                close(errpipe[WRITE_END]);
+        return err;
 }
 
 static void rename_netif_kernel_log(struct ifreq ifr)
 {
-	int klog;
-	FILE *f;
-
-	klog = open("/dev/kmsg", O_WRONLY);
-	if (klog < 0)
-		return;
-
-	f = fdopen(klog, "w");
-	if (f == NULL) {
-		close(klog);
-		return;
-	}
-
-	fprintf(f, "<30>udevd[%u]: renamed network interface %s to %s\n",
-		getpid(), ifr.ifr_name, ifr.ifr_newname);
-	fclose(f);
+        int klog;
+        FILE *f;
+
+        klog = open("/dev/kmsg", O_WRONLY);
+        if (klog < 0)
+                return;
+
+        f = fdopen(klog, "w");
+        if (f == NULL) {
+                close(klog);
+                return;
+        }
+
+        fprintf(f, "<30>udevd[%u]: renamed network interface %s to %s\n",
+                getpid(), ifr.ifr_name, ifr.ifr_newname);
+        fclose(f);
 }
 
 static int rename_netif(struct udev_event *event)
 {
-	struct udev_device *dev = event->dev;
-	int sk;
-	struct ifreq ifr;
-	int loop;
-	int err;
-
-	info(event->udev, "changing net interface name from '%s' to '%s'\n",
-	     udev_device_get_sysname(dev), event->name);
-
-	sk = socket(PF_INET, SOCK_DGRAM, 0);
-	if (sk < 0) {
-		err = -errno;
-		err(event->udev, "error opening socket: %m\n");
-		return err;
-	}
-
-	memset(&ifr, 0x00, sizeof(struct ifreq));
-	util_strscpy(ifr.ifr_name, IFNAMSIZ, udev_device_get_sysname(dev));
-	util_strscpy(ifr.ifr_newname, IFNAMSIZ, event->name);
-	err = ioctl(sk, SIOCSIFNAME, &ifr);
-	if (err == 0) {
-		rename_netif_kernel_log(ifr);
-		goto out;
-	}
-
-	/* keep trying if the destination interface name already exists */
-	err = -errno;
-	if (err != -EEXIST)
-		goto out;
-
-	/* free our own name, another process may wait for us */
-	snprintf(ifr.ifr_newname, IFNAMSIZ, "rename%u", udev_device_get_ifindex(dev));
-	err = ioctl(sk, SIOCSIFNAME, &ifr);
-	if (err < 0) {
-		err = -errno;
-		goto out;
-	}
-
-	/* log temporary name */
-	rename_netif_kernel_log(ifr);
-
-	/* wait a maximum of 90 seconds for our target to become available */
-	util_strscpy(ifr.ifr_name, IFNAMSIZ, ifr.ifr_newname);
-	util_strscpy(ifr.ifr_newname, IFNAMSIZ, event->name);
-	loop = 90 * 20;
-	while (loop--) {
-		const struct timespec duration = { 0, 1000 * 1000 * 1000 / 20 };
-
-		dbg(event->udev, "wait for netif '%s' to become free, loop=%i\n",
-		    event->name, (90 * 20) - loop);
-		nanosleep(&duration, NULL);
-
-		err = ioctl(sk, SIOCSIFNAME, &ifr);
-		if (err == 0) {
-			rename_netif_kernel_log(ifr);
-			break;
-		}
-		err = -errno;
-		if (err != -EEXIST)
-			break;
-	}
+        struct udev_device *dev = event->dev;
+        int sk;
+        struct ifreq ifr;
+        int loop;
+        int err;
+
+        info(event->udev, "changing net interface name from '%s' to '%s'\n",
+             udev_device_get_sysname(dev), event->name);
+
+        sk = socket(PF_INET, SOCK_DGRAM, 0);
+        if (sk < 0) {
+                err = -errno;
+                err(event->udev, "error opening socket: %m\n");
+                return err;
+        }
+
+        memset(&ifr, 0x00, sizeof(struct ifreq));
+        util_strscpy(ifr.ifr_name, IFNAMSIZ, udev_device_get_sysname(dev));
+        util_strscpy(ifr.ifr_newname, IFNAMSIZ, event->name);
+        err = ioctl(sk, SIOCSIFNAME, &ifr);
+        if (err == 0) {
+                rename_netif_kernel_log(ifr);
+                goto out;
+        }
+
+        /* keep trying if the destination interface name already exists */
+        err = -errno;
+        if (err != -EEXIST)
+                goto out;
+
+        /* free our own name, another process may wait for us */
+        snprintf(ifr.ifr_newname, IFNAMSIZ, "rename%u", udev_device_get_ifindex(dev));
+        err = ioctl(sk, SIOCSIFNAME, &ifr);
+        if (err < 0) {
+                err = -errno;
+                goto out;
+        }
+
+        /* log temporary name */
+        rename_netif_kernel_log(ifr);
+
+        /* wait a maximum of 90 seconds for our target to become available */
+        util_strscpy(ifr.ifr_name, IFNAMSIZ, ifr.ifr_newname);
+        util_strscpy(ifr.ifr_newname, IFNAMSIZ, event->name);
+        loop = 90 * 20;
+        while (loop--) {
+                const struct timespec duration = { 0, 1000 * 1000 * 1000 / 20 };
+
+                dbg(event->udev, "wait for netif '%s' to become free, loop=%i\n",
+                    event->name, (90 * 20) - loop);
+                nanosleep(&duration, NULL);
+
+                err = ioctl(sk, SIOCSIFNAME, &ifr);
+                if (err == 0) {
+                        rename_netif_kernel_log(ifr);
+                        break;
+                }
+                err = -errno;
+                if (err != -EEXIST)
+                        break;
+        }
 
 out:
-	if (err < 0)
-		err(event->udev, "error changing net interface name %s to %s: %m\n", ifr.ifr_name, ifr.ifr_newname);
-	close(sk);
-	return err;
+        if (err < 0)
+                err(event->udev, "error changing net interface name %s to %s: %m\n", ifr.ifr_name, ifr.ifr_newname);
+        close(sk);
+        return err;
 }
 
 int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigmask)
 {
-	struct udev_device *dev = event->dev;
-	int err = 0;
-
-	if (udev_device_get_subsystem(dev) == NULL)
-		return -1;
-
-	if (strcmp(udev_device_get_action(dev), "remove") == 0) {
-		udev_device_read_db(dev, NULL);
-		udev_device_delete_db(dev);
-		udev_device_tag_index(dev, NULL, false);
-
-		if (major(udev_device_get_devnum(dev)) != 0)
-			udev_watch_end(event->udev, dev);
-
-		udev_rules_apply_to_event(rules, event, sigmask);
-
-		if (major(udev_device_get_devnum(dev)) != 0)
-			err = udev_node_remove(dev);
-	} else {
-		event->dev_db = udev_device_new_from_syspath(event->udev, udev_device_get_syspath(dev));
-		if (event->dev_db != NULL) {
-			udev_device_read_db(event->dev_db, NULL);
-			udev_device_set_info_loaded(event->dev_db);
-
-			/* disable watch during event processing */
-			if (major(udev_device_get_devnum(dev)) != 0)
-				udev_watch_end(event->udev, event->dev_db);
-		}
-
-		udev_rules_apply_to_event(rules, event, sigmask);
-
-		/* rename a new network interface, if needed */
-		if (udev_device_get_ifindex(dev) > 0 && strcmp(udev_device_get_action(dev), "add") == 0 &&
-		    event->name != NULL && strcmp(event->name, udev_device_get_sysname(dev)) != 0) {
-			char syspath[UTIL_PATH_SIZE];
-			char *pos;
-
-			err = rename_netif(event);
-			if (err == 0) {
-				info(event->udev, "renamed netif to '%s'\n", event->name);
-
-				/* remember old name */
-				udev_device_add_property(dev, "INTERFACE_OLD", udev_device_get_sysname(dev));
-
-				/* now change the devpath, because the kernel device name has changed */
-				util_strscpy(syspath, sizeof(syspath), udev_device_get_syspath(dev));
-				pos = strrchr(syspath, '/');
-				if (pos != NULL) {
-					pos++;
-					util_strscpy(pos, sizeof(syspath) - (pos - syspath), event->name);
-					udev_device_set_syspath(event->dev, syspath);
-					udev_device_add_property(dev, "INTERFACE", udev_device_get_sysname(dev));
-					info(event->udev, "changed devpath to '%s'\n", udev_device_get_devpath(dev));
-				}
-			}
-		}
-
-		if (major(udev_device_get_devnum(dev)) != 0) {
-			/* remove/update possible left-over symlinks from old database entry */
-			if (event->dev_db != NULL)
-				udev_node_update_old_links(dev, event->dev_db);
-
-			if (!event->mode_set) {
-				if (udev_device_get_devnode_mode(dev) > 0) {
-					/* kernel supplied value */
-					event->mode = udev_device_get_devnode_mode(dev);
-				} else if (event->gid > 0) {
-					/* default 0660 if a group is assigned */
-					event->mode = 0660;
-				} else {
-					/* default 0600 */
-					event->mode = 0600;
-				}
-			}
-
-			err = udev_node_add(dev, event->mode, event->uid, event->gid);
-		}
-
-		/* preserve old, or get new initialization timestamp */
-		if (event->dev_db != NULL && udev_device_get_usec_initialized(event->dev_db) > 0)
-			udev_device_set_usec_initialized(event->dev, udev_device_get_usec_initialized(event->dev_db));
-		else if (udev_device_get_usec_initialized(event->dev) == 0)
-			udev_device_set_usec_initialized(event->dev, now_usec());
-
-		/* (re)write database file */
-		udev_device_update_db(dev);
-		udev_device_tag_index(dev, event->dev_db, true);
-		udev_device_set_is_initialized(dev);
-
-		udev_device_unref(event->dev_db);
-		event->dev_db = NULL;
-	}
+        struct udev_device *dev = event->dev;
+        int err = 0;
+
+        if (udev_device_get_subsystem(dev) == NULL)
+                return -1;
+
+        if (strcmp(udev_device_get_action(dev), "remove") == 0) {
+                udev_device_read_db(dev, NULL);
+                udev_device_delete_db(dev);
+                udev_device_tag_index(dev, NULL, false);
+
+                if (major(udev_device_get_devnum(dev)) != 0)
+                        udev_watch_end(event->udev, dev);
+
+                udev_rules_apply_to_event(rules, event, sigmask);
+
+                if (major(udev_device_get_devnum(dev)) != 0)
+                        err = udev_node_remove(dev);
+        } else {
+                event->dev_db = udev_device_new_from_syspath(event->udev, udev_device_get_syspath(dev));
+                if (event->dev_db != NULL) {
+                        udev_device_read_db(event->dev_db, NULL);
+                        udev_device_set_info_loaded(event->dev_db);
+
+                        /* disable watch during event processing */
+                        if (major(udev_device_get_devnum(dev)) != 0)
+                                udev_watch_end(event->udev, event->dev_db);
+                }
+
+                udev_rules_apply_to_event(rules, event, sigmask);
+
+                /* rename a new network interface, if needed */
+                if (udev_device_get_ifindex(dev) > 0 && strcmp(udev_device_get_action(dev), "add") == 0 &&
+                    event->name != NULL && strcmp(event->name, udev_device_get_sysname(dev)) != 0) {
+                        char syspath[UTIL_PATH_SIZE];
+                        char *pos;
+
+                        err = rename_netif(event);
+                        if (err == 0) {
+                                info(event->udev, "renamed netif to '%s'\n", event->name);
+
+                                /* remember old name */
+                                udev_device_add_property(dev, "INTERFACE_OLD", udev_device_get_sysname(dev));
+
+                                /* now change the devpath, because the kernel device name has changed */
+                                util_strscpy(syspath, sizeof(syspath), udev_device_get_syspath(dev));
+                                pos = strrchr(syspath, '/');
+                                if (pos != NULL) {
+                                        pos++;
+                                        util_strscpy(pos, sizeof(syspath) - (pos - syspath), event->name);
+                                        udev_device_set_syspath(event->dev, syspath);
+                                        udev_device_add_property(dev, "INTERFACE", udev_device_get_sysname(dev));
+                                        info(event->udev, "changed devpath to '%s'\n", udev_device_get_devpath(dev));
+                                }
+                        }
+                }
+
+                if (major(udev_device_get_devnum(dev)) != 0) {
+                        /* remove/update possible left-over symlinks from old database entry */
+                        if (event->dev_db != NULL)
+                                udev_node_update_old_links(dev, event->dev_db);
+
+                        if (!event->mode_set) {
+                                if (udev_device_get_devnode_mode(dev) > 0) {
+                                        /* kernel supplied value */
+                                        event->mode = udev_device_get_devnode_mode(dev);
+                                } else if (event->gid > 0) {
+                                        /* default 0660 if a group is assigned */
+                                        event->mode = 0660;
+                                } else {
+                                        /* default 0600 */
+                                        event->mode = 0600;
+                                }
+                        }
+
+                        err = udev_node_add(dev, event->mode, event->uid, event->gid);
+                }
+
+                /* preserve old, or get new initialization timestamp */
+                if (event->dev_db != NULL && udev_device_get_usec_initialized(event->dev_db) > 0)
+                        udev_device_set_usec_initialized(event->dev, udev_device_get_usec_initialized(event->dev_db));
+                else if (udev_device_get_usec_initialized(event->dev) == 0)
+                        udev_device_set_usec_initialized(event->dev, now_usec());
+
+                /* (re)write database file */
+                udev_device_update_db(dev);
+                udev_device_tag_index(dev, event->dev_db, true);
+                udev_device_set_is_initialized(dev);
+
+                udev_device_unref(event->dev_db);
+                event->dev_db = NULL;
+        }
 out:
-	return err;
+        return err;
 }
 
 int udev_event_execute_run(struct udev_event *event, const sigset_t *sigmask)
 {
-	struct udev_list_entry *list_entry;
-	int err = 0;
-
-	dbg(event->udev, "executing run list\n");
-	udev_list_entry_foreach(list_entry, udev_list_get_entry(&event->run_list)) {
-		const char *cmd = udev_list_entry_get_name(list_entry);
-
-		if (strncmp(cmd, "socket:", strlen("socket:")) == 0) {
-			struct udev_monitor *monitor;
-
-			monitor = udev_monitor_new_from_socket(event->udev, &cmd[strlen("socket:")]);
-			if (monitor == NULL)
-				continue;
-			udev_monitor_send_device(monitor, NULL, event->dev);
-			udev_monitor_unref(monitor);
-		} else {
-			char program[UTIL_PATH_SIZE];
-			char **envp;
-
-			if (event->exec_delay > 0) {
-				info(event->udev, "delay execution of '%s'\n", program);
-				sleep(event->exec_delay);
-			}
-
-			udev_event_apply_format(event, cmd, program, sizeof(program));
-			envp = udev_device_get_properties_envp(event->dev);
-			if (udev_event_spawn(event, program, envp, sigmask, NULL, 0) < 0) {
-				if (udev_list_entry_get_num(list_entry))
-					err = -1;
-			}
-		}
-	}
-	return err;
+        struct udev_list_entry *list_entry;
+        int err = 0;
+
+        dbg(event->udev, "executing run list\n");
+        udev_list_entry_foreach(list_entry, udev_list_get_entry(&event->run_list)) {
+                const char *cmd = udev_list_entry_get_name(list_entry);
+
+                if (strncmp(cmd, "socket:", strlen("socket:")) == 0) {
+                        struct udev_monitor *monitor;
+
+                        monitor = udev_monitor_new_from_socket(event->udev, &cmd[strlen("socket:")]);
+                        if (monitor == NULL)
+                                continue;
+                        udev_monitor_send_device(monitor, NULL, event->dev);
+                        udev_monitor_unref(monitor);
+                } else {
+                        char program[UTIL_PATH_SIZE];
+                        char **envp;
+
+                        if (event->exec_delay > 0) {
+                                info(event->udev, "delay execution of '%s'\n", program);
+                                sleep(event->exec_delay);
+                        }
+
+                        udev_event_apply_format(event, cmd, program, sizeof(program));
+                        envp = udev_device_get_properties_envp(event->dev);
+                        if (udev_event_spawn(event, program, envp, sigmask, NULL, 0) < 0) {
+                                if (udev_list_entry_get_num(list_entry))
+                                        err = -1;
+                        }
+                }
+        }
+        return err;
 }
diff --git a/src/udev-node.c b/src/udev-node.c
index 31046bd7..8d7db710 100644
--- a/src/udev-node.c
+++ b/src/udev-node.c
@@ -31,355 +31,355 @@
 
 #include "udev.h"
 
-#define TMP_FILE_EXT		".udev-tmp"
+#define TMP_FILE_EXT                ".udev-tmp"
 
 static int node_symlink(struct udev *udev, const char *node, const char *slink)
 {
-	struct stat stats;
-	char target[UTIL_PATH_SIZE];
-	char *s;
-	size_t l;
-	char slink_tmp[UTIL_PATH_SIZE + sizeof(TMP_FILE_EXT)];
-	int i = 0;
-	int tail = 0;
-	int err = 0;
-
-	/* use relative link */
-	target[0] = '\0';
-	while (node[i] && (node[i] == slink[i])) {
-		if (node[i] == '/')
-			tail = i+1;
-		i++;
-	}
-	s = target;
-	l = sizeof(target);
-	while (slink[i] != '\0') {
-		if (slink[i] == '/')
-			l = util_strpcpy(&s, l, "../");
-		i++;
-	}
-	l = util_strscpy(s, l, &node[tail]);
-	if (l == 0) {
-		err = -EINVAL;
-		goto exit;
-	}
-
-	/* preserve link with correct target, do not replace node of other device */
-	if (lstat(slink, &stats) == 0) {
-		if (S_ISBLK(stats.st_mode) || S_ISCHR(stats.st_mode)) {
-			struct stat stats2;
-
-			info(udev, "found existing node instead of symlink '%s'\n", slink);
-			if (lstat(node, &stats2) == 0) {
-				if ((stats.st_mode & S_IFMT) == (stats2.st_mode & S_IFMT) &&
-				    stats.st_rdev == stats2.st_rdev && stats.st_ino != stats2.st_ino) {
-					info(udev, "replace device node '%s' with symlink to our node '%s'\n",
-					     slink, node);
-				} else {
-					err(udev, "device node '%s' already exists, "
-					    "link to '%s' will not overwrite it\n",
-					    slink, node);
-					goto exit;
-				}
-			}
-		} else if (S_ISLNK(stats.st_mode)) {
-			char buf[UTIL_PATH_SIZE];
-			int len;
-
-			dbg(udev, "found existing symlink '%s'\n", slink);
-			len = readlink(slink, buf, sizeof(buf));
-			if (len > 0 && len < (int)sizeof(buf)) {
-				buf[len] = '\0';
-				if (strcmp(target, buf) == 0) {
-					info(udev, "preserve already existing symlink '%s' to '%s'\n",
-					     slink, target);
-					udev_selinux_lsetfilecon(udev, slink, S_IFLNK);
-					utimensat(AT_FDCWD, slink, NULL, AT_SYMLINK_NOFOLLOW);
-					goto exit;
-				}
-			}
-		}
-	} else {
-		info(udev, "creating symlink '%s' to '%s'\n", slink, target);
-		do {
-			err = util_create_path_selinux(udev, slink);
-			if (err != 0 && err != -ENOENT)
-				break;
-			udev_selinux_setfscreatecon(udev, slink, S_IFLNK);
-			err = symlink(target, slink);
-			if (err != 0)
-				err = -errno;
-			udev_selinux_resetfscreatecon(udev);
-		} while (err == -ENOENT);
-		if (err == 0)
-			goto exit;
-	}
-
-	info(udev, "atomically replace '%s'\n", slink);
-	util_strscpyl(slink_tmp, sizeof(slink_tmp), slink, TMP_FILE_EXT, NULL);
-	unlink(slink_tmp);
-	do {
-		err = util_create_path_selinux(udev, slink_tmp);
-		if (err != 0 && err != -ENOENT)
-			break;
-		udev_selinux_setfscreatecon(udev, slink_tmp, S_IFLNK);
-		err = symlink(target, slink_tmp);
-		if (err != 0)
-			err = -errno;
-		udev_selinux_resetfscreatecon(udev);
-	} while (err == -ENOENT);
-	if (err != 0) {
-		err(udev, "symlink '%s' '%s' failed: %m\n", target, slink_tmp);
-		goto exit;
-	}
-	err = rename(slink_tmp, slink);
-	if (err != 0) {
-		err(udev, "rename '%s' '%s' failed: %m\n", slink_tmp, slink);
-		unlink(slink_tmp);
-	}
+        struct stat stats;
+        char target[UTIL_PATH_SIZE];
+        char *s;
+        size_t l;
+        char slink_tmp[UTIL_PATH_SIZE + sizeof(TMP_FILE_EXT)];
+        int i = 0;
+        int tail = 0;
+        int err = 0;
+
+        /* use relative link */
+        target[0] = '\0';
+        while (node[i] && (node[i] == slink[i])) {
+                if (node[i] == '/')
+                        tail = i+1;
+                i++;
+        }
+        s = target;
+        l = sizeof(target);
+        while (slink[i] != '\0') {
+                if (slink[i] == '/')
+                        l = util_strpcpy(&s, l, "../");
+                i++;
+        }
+        l = util_strscpy(s, l, &node[tail]);
+        if (l == 0) {
+                err = -EINVAL;
+                goto exit;
+        }
+
+        /* preserve link with correct target, do not replace node of other device */
+        if (lstat(slink, &stats) == 0) {
+                if (S_ISBLK(stats.st_mode) || S_ISCHR(stats.st_mode)) {
+                        struct stat stats2;
+
+                        info(udev, "found existing node instead of symlink '%s'\n", slink);
+                        if (lstat(node, &stats2) == 0) {
+                                if ((stats.st_mode & S_IFMT) == (stats2.st_mode & S_IFMT) &&
+                                    stats.st_rdev == stats2.st_rdev && stats.st_ino != stats2.st_ino) {
+                                        info(udev, "replace device node '%s' with symlink to our node '%s'\n",
+                                             slink, node);
+                                } else {
+                                        err(udev, "device node '%s' already exists, "
+                                            "link to '%s' will not overwrite it\n",
+                                            slink, node);
+                                        goto exit;
+                                }
+                        }
+                } else if (S_ISLNK(stats.st_mode)) {
+                        char buf[UTIL_PATH_SIZE];
+                        int len;
+
+                        dbg(udev, "found existing symlink '%s'\n", slink);
+                        len = readlink(slink, buf, sizeof(buf));
+                        if (len > 0 && len < (int)sizeof(buf)) {
+                                buf[len] = '\0';
+                                if (strcmp(target, buf) == 0) {
+                                        info(udev, "preserve already existing symlink '%s' to '%s'\n",
+                                             slink, target);
+                                        udev_selinux_lsetfilecon(udev, slink, S_IFLNK);
+                                        utimensat(AT_FDCWD, slink, NULL, AT_SYMLINK_NOFOLLOW);
+                                        goto exit;
+                                }
+                        }
+                }
+        } else {
+                info(udev, "creating symlink '%s' to '%s'\n", slink, target);
+                do {
+                        err = util_create_path_selinux(udev, slink);
+                        if (err != 0 && err != -ENOENT)
+                                break;
+                        udev_selinux_setfscreatecon(udev, slink, S_IFLNK);
+                        err = symlink(target, slink);
+                        if (err != 0)
+                                err = -errno;
+                        udev_selinux_resetfscreatecon(udev);
+                } while (err == -ENOENT);
+                if (err == 0)
+                        goto exit;
+        }
+
+        info(udev, "atomically replace '%s'\n", slink);
+        util_strscpyl(slink_tmp, sizeof(slink_tmp), slink, TMP_FILE_EXT, NULL);
+        unlink(slink_tmp);
+        do {
+                err = util_create_path_selinux(udev, slink_tmp);
+                if (err != 0 && err != -ENOENT)
+                        break;
+                udev_selinux_setfscreatecon(udev, slink_tmp, S_IFLNK);
+                err = symlink(target, slink_tmp);
+                if (err != 0)
+                        err = -errno;
+                udev_selinux_resetfscreatecon(udev);
+        } while (err == -ENOENT);
+        if (err != 0) {
+                err(udev, "symlink '%s' '%s' failed: %m\n", target, slink_tmp);
+                goto exit;
+        }
+        err = rename(slink_tmp, slink);
+        if (err != 0) {
+                err(udev, "rename '%s' '%s' failed: %m\n", slink_tmp, slink);
+                unlink(slink_tmp);
+        }
 exit:
-	return err;
+        return err;
 }
 
 /* find device node of device with highest priority */
 static const char *link_find_prioritized(struct udev_device *dev, bool add, const char *stackdir, char *buf, size_t bufsize)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	DIR *dir;
-	int priority = 0;
-	const char *target = NULL;
-
-	if (add) {
-		priority = udev_device_get_devlink_priority(dev);
-		util_strscpy(buf, bufsize, udev_device_get_devnode(dev));
-		target = buf;
-	}
-
-	dir = opendir(stackdir);
-	if (dir == NULL)
-		return target;
-	for (;;) {
-		struct udev_device *dev_db;
-		struct dirent *dent;
-
-		dent = readdir(dir);
-		if (dent == NULL || dent->d_name[0] == '\0')
-			break;
-		if (dent->d_name[0] == '.')
-			continue;
-
-		info(udev, "found '%s' claiming '%s'\n", dent->d_name, stackdir);
-
-		/* did we find ourself? */
-		if (strcmp(dent->d_name, udev_device_get_id_filename(dev)) == 0)
-			continue;
-
-		dev_db = udev_device_new_from_id_filename(udev, dent->d_name);
-		if (dev_db != NULL) {
-			const char *devnode;
-
-			devnode = udev_device_get_devnode(dev_db);
-			if (devnode != NULL) {
-				dbg(udev, "compare priority of '%s'(%i) > '%s'(%i)\n", target, priority,
-				    udev_device_get_devnode(dev_db), udev_device_get_devlink_priority(dev_db));
-				if (target == NULL || udev_device_get_devlink_priority(dev_db) > priority) {
-					info(udev, "'%s' claims priority %i for '%s'\n",
-					     udev_device_get_syspath(dev_db), udev_device_get_devlink_priority(dev_db), stackdir);
-					priority = udev_device_get_devlink_priority(dev_db);
-					util_strscpy(buf, bufsize, devnode);
-					target = buf;
-				}
-			}
-			udev_device_unref(dev_db);
-		}
-	}
-	closedir(dir);
-	return target;
+        struct udev *udev = udev_device_get_udev(dev);
+        DIR *dir;
+        int priority = 0;
+        const char *target = NULL;
+
+        if (add) {
+                priority = udev_device_get_devlink_priority(dev);
+                util_strscpy(buf, bufsize, udev_device_get_devnode(dev));
+                target = buf;
+        }
+
+        dir = opendir(stackdir);
+        if (dir == NULL)
+                return target;
+        for (;;) {
+                struct udev_device *dev_db;
+                struct dirent *dent;
+
+                dent = readdir(dir);
+                if (dent == NULL || dent->d_name[0] == '\0')
+                        break;
+                if (dent->d_name[0] == '.')
+                        continue;
+
+                info(udev, "found '%s' claiming '%s'\n", dent->d_name, stackdir);
+
+                /* did we find ourself? */
+                if (strcmp(dent->d_name, udev_device_get_id_filename(dev)) == 0)
+                        continue;
+
+                dev_db = udev_device_new_from_id_filename(udev, dent->d_name);
+                if (dev_db != NULL) {
+                        const char *devnode;
+
+                        devnode = udev_device_get_devnode(dev_db);
+                        if (devnode != NULL) {
+                                dbg(udev, "compare priority of '%s'(%i) > '%s'(%i)\n", target, priority,
+                                    udev_device_get_devnode(dev_db), udev_device_get_devlink_priority(dev_db));
+                                if (target == NULL || udev_device_get_devlink_priority(dev_db) > priority) {
+                                        info(udev, "'%s' claims priority %i for '%s'\n",
+                                             udev_device_get_syspath(dev_db), udev_device_get_devlink_priority(dev_db), stackdir);
+                                        priority = udev_device_get_devlink_priority(dev_db);
+                                        util_strscpy(buf, bufsize, devnode);
+                                        target = buf;
+                                }
+                        }
+                        udev_device_unref(dev_db);
+                }
+        }
+        closedir(dir);
+        return target;
 }
 
 /* manage "stack of names" with possibly specified device priorities */
 static void link_update(struct udev_device *dev, const char *slink, bool add)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	char name_enc[UTIL_PATH_SIZE];
-	char filename[UTIL_PATH_SIZE * 2];
-	char dirname[UTIL_PATH_SIZE];
-	const char *target;
-	char buf[UTIL_PATH_SIZE];
-
-	dbg(udev, "update symlink '%s' of '%s'\n", slink, udev_device_get_syspath(dev));
-
-	util_path_encode(&slink[strlen(udev_get_dev_path(udev))+1], name_enc, sizeof(name_enc));
-	util_strscpyl(dirname, sizeof(dirname), udev_get_run_path(udev), "/links/", name_enc, NULL);
-	util_strscpyl(filename, sizeof(filename), dirname, "/", udev_device_get_id_filename(dev), NULL);
-
-	if (!add) {
-		dbg(udev, "removing index: '%s'\n", filename);
-		if (unlink(filename) == 0)
-			rmdir(dirname);
-	}
-
-	target = link_find_prioritized(dev, add, dirname, buf, sizeof(buf));
-	if (target == NULL) {
-		info(udev, "no reference left, remove '%s'\n", slink);
-		if (unlink(slink) == 0)
-			util_delete_path(udev, slink);
-	} else {
-		info(udev, "creating link '%s' to '%s'\n", slink, target);
-		node_symlink(udev, target, slink);
-	}
-
-	if (add) {
-		int err;
-
-		dbg(udev, "creating index: '%s'\n", filename);
-		do {
-			int fd;
-
-			err = util_create_path(udev, filename);
-			if (err != 0 && err != -ENOENT)
-				break;
-			fd = open(filename, O_WRONLY|O_CREAT|O_CLOEXEC|O_TRUNC|O_NOFOLLOW, 0444);
-			if (fd >= 0)
-				close(fd);
-			else
-				err = -errno;
-		} while (err == -ENOENT);
-	}
+        struct udev *udev = udev_device_get_udev(dev);
+        char name_enc[UTIL_PATH_SIZE];
+        char filename[UTIL_PATH_SIZE * 2];
+        char dirname[UTIL_PATH_SIZE];
+        const char *target;
+        char buf[UTIL_PATH_SIZE];
+
+        dbg(udev, "update symlink '%s' of '%s'\n", slink, udev_device_get_syspath(dev));
+
+        util_path_encode(&slink[strlen(udev_get_dev_path(udev))+1], name_enc, sizeof(name_enc));
+        util_strscpyl(dirname, sizeof(dirname), udev_get_run_path(udev), "/links/", name_enc, NULL);
+        util_strscpyl(filename, sizeof(filename), dirname, "/", udev_device_get_id_filename(dev), NULL);
+
+        if (!add) {
+                dbg(udev, "removing index: '%s'\n", filename);
+                if (unlink(filename) == 0)
+                        rmdir(dirname);
+        }
+
+        target = link_find_prioritized(dev, add, dirname, buf, sizeof(buf));
+        if (target == NULL) {
+                info(udev, "no reference left, remove '%s'\n", slink);
+                if (unlink(slink) == 0)
+                        util_delete_path(udev, slink);
+        } else {
+                info(udev, "creating link '%s' to '%s'\n", slink, target);
+                node_symlink(udev, target, slink);
+        }
+
+        if (add) {
+                int err;
+
+                dbg(udev, "creating index: '%s'\n", filename);
+                do {
+                        int fd;
+
+                        err = util_create_path(udev, filename);
+                        if (err != 0 && err != -ENOENT)
+                                break;
+                        fd = open(filename, O_WRONLY|O_CREAT|O_CLOEXEC|O_TRUNC|O_NOFOLLOW, 0444);
+                        if (fd >= 0)
+                                close(fd);
+                        else
+                                err = -errno;
+                } while (err == -ENOENT);
+        }
 }
 
 void udev_node_update_old_links(struct udev_device *dev, struct udev_device *dev_old)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	struct udev_list_entry *list_entry;
-
-	/* update possible left-over symlinks */
-	udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev_old)) {
-		const char *name = udev_list_entry_get_name(list_entry);
-		struct udev_list_entry *list_entry_current;
-		int found;
-
-		/* check if old link name still belongs to this device */
-		found = 0;
-		udev_list_entry_foreach(list_entry_current, udev_device_get_devlinks_list_entry(dev)) {
-			const char *name_current = udev_list_entry_get_name(list_entry_current);
-
-			if (strcmp(name, name_current) == 0) {
-				found = 1;
-				break;
-			}
-		}
-		if (found)
-			continue;
-
-		info(udev, "update old name, '%s' no longer belonging to '%s'\n",
-		     name, udev_device_get_devpath(dev));
-		link_update(dev, name, 0);
-	}
+        struct udev *udev = udev_device_get_udev(dev);
+        struct udev_list_entry *list_entry;
+
+        /* update possible left-over symlinks */
+        udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev_old)) {
+                const char *name = udev_list_entry_get_name(list_entry);
+                struct udev_list_entry *list_entry_current;
+                int found;
+
+                /* check if old link name still belongs to this device */
+                found = 0;
+                udev_list_entry_foreach(list_entry_current, udev_device_get_devlinks_list_entry(dev)) {
+                        const char *name_current = udev_list_entry_get_name(list_entry_current);
+
+                        if (strcmp(name, name_current) == 0) {
+                                found = 1;
+                                break;
+                        }
+                }
+                if (found)
+                        continue;
+
+                info(udev, "update old name, '%s' no longer belonging to '%s'\n",
+                     name, udev_device_get_devpath(dev));
+                link_update(dev, name, 0);
+        }
 }
 
 static int node_fixup(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	const char *devnode = udev_device_get_devnode(dev);
-	dev_t devnum = udev_device_get_devnum(dev);
-	struct stat stats;
-	int err = 0;
-
-	if (strcmp(udev_device_get_subsystem(dev), "block") == 0)
-		mode |= S_IFBLK;
-	else
-		mode |= S_IFCHR;
-
-	if (lstat(devnode, &stats) != 0) {
-		err = -errno;
-		info(udev, "can not stat() node '%s' (%m)\n", devnode);
-		goto out;
-	}
-
-	if (((stats.st_mode & S_IFMT) != (mode & S_IFMT)) || (stats.st_rdev != devnum)) {
-		err = -EEXIST;
-		info(udev, "found node '%s' with non-matching devnum %s, skip handling\n",
-		     udev_device_get_devnode(dev), udev_device_get_id_filename(dev));
-		goto out;
-	}
-
-	if ((stats.st_mode & 0777) != (mode & 0777) || stats.st_uid != uid || stats.st_gid != gid) {
-		info(udev, "set permissions %s, %#o, uid=%u, gid=%u\n", devnode, mode, uid, gid);
-		chmod(devnode, mode);
-		chown(devnode, uid, gid);
-	} else {
-		info(udev, "preserve permissions %s, %#o, uid=%u, gid=%u\n", devnode, mode, uid, gid);
-	}
-
-	/*
-	 * Set initial selinux file context only on add events.
-	 * We set the proper context on bootup (triger) or for newly
-	 * added devices, but we don't change it later, in case
-	 * something else has set a custom context in the meantime.
-	 */
-	if (strcmp(udev_device_get_action(dev), "add") == 0)
-		udev_selinux_lsetfilecon(udev, devnode, mode);
-
-	/* always update timestamp when we re-use the node, like on media change events */
-	utimensat(AT_FDCWD, devnode, NULL, 0);
+        struct udev *udev = udev_device_get_udev(dev);
+        const char *devnode = udev_device_get_devnode(dev);
+        dev_t devnum = udev_device_get_devnum(dev);
+        struct stat stats;
+        int err = 0;
+
+        if (strcmp(udev_device_get_subsystem(dev), "block") == 0)
+                mode |= S_IFBLK;
+        else
+                mode |= S_IFCHR;
+
+        if (lstat(devnode, &stats) != 0) {
+                err = -errno;
+                info(udev, "can not stat() node '%s' (%m)\n", devnode);
+                goto out;
+        }
+
+        if (((stats.st_mode & S_IFMT) != (mode & S_IFMT)) || (stats.st_rdev != devnum)) {
+                err = -EEXIST;
+                info(udev, "found node '%s' with non-matching devnum %s, skip handling\n",
+                     udev_device_get_devnode(dev), udev_device_get_id_filename(dev));
+                goto out;
+        }
+
+        if ((stats.st_mode & 0777) != (mode & 0777) || stats.st_uid != uid || stats.st_gid != gid) {
+                info(udev, "set permissions %s, %#o, uid=%u, gid=%u\n", devnode, mode, uid, gid);
+                chmod(devnode, mode);
+                chown(devnode, uid, gid);
+        } else {
+                info(udev, "preserve permissions %s, %#o, uid=%u, gid=%u\n", devnode, mode, uid, gid);
+        }
+
+        /*
+         * Set initial selinux file context only on add events.
+         * We set the proper context on bootup (triger) or for newly
+         * added devices, but we don't change it later, in case
+         * something else has set a custom context in the meantime.
+         */
+        if (strcmp(udev_device_get_action(dev), "add") == 0)
+                udev_selinux_lsetfilecon(udev, devnode, mode);
+
+        /* always update timestamp when we re-use the node, like on media change events */
+        utimensat(AT_FDCWD, devnode, NULL, 0);
 out:
-	return err;
+        return err;
 }
 
 int udev_node_add(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	char filename[UTIL_PATH_SIZE];
-	struct udev_list_entry *list_entry;
-	int err = 0;
-
-	info(udev, "handling device node '%s', devnum=%s, mode=%#o, uid=%d, gid=%d\n",
-	     udev_device_get_devnode(dev), udev_device_get_id_filename(dev), mode, uid, gid);
-
-	err = node_fixup(dev, mode, uid, gid);
-	if (err < 0)
-		goto exit;
-
-	/* always add /dev/{block,char}/$major:$minor */
-	snprintf(filename, sizeof(filename), "%s/%s/%u:%u",
-		 udev_get_dev_path(udev),
-		 strcmp(udev_device_get_subsystem(dev), "block") == 0 ? "block" : "char",
-		 major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev)));
-	node_symlink(udev, udev_device_get_devnode(dev), filename);
-
-	/* create/update symlinks, add symlinks to name index */
-	udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev)) {
-		if (udev_list_entry_get_num(list_entry))
-			/* simple unmanaged link name */
-			node_symlink(udev, udev_device_get_devnode(dev), udev_list_entry_get_name(list_entry));
-		else
-			link_update(dev, udev_list_entry_get_name(list_entry), 1);
-	}
+        struct udev *udev = udev_device_get_udev(dev);
+        char filename[UTIL_PATH_SIZE];
+        struct udev_list_entry *list_entry;
+        int err = 0;
+
+        info(udev, "handling device node '%s', devnum=%s, mode=%#o, uid=%d, gid=%d\n",
+             udev_device_get_devnode(dev), udev_device_get_id_filename(dev), mode, uid, gid);
+
+        err = node_fixup(dev, mode, uid, gid);
+        if (err < 0)
+                goto exit;
+
+        /* always add /dev/{block,char}/$major:$minor */
+        snprintf(filename, sizeof(filename), "%s/%s/%u:%u",
+                 udev_get_dev_path(udev),
+                 strcmp(udev_device_get_subsystem(dev), "block") == 0 ? "block" : "char",
+                 major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev)));
+        node_symlink(udev, udev_device_get_devnode(dev), filename);
+
+        /* create/update symlinks, add symlinks to name index */
+        udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev)) {
+                if (udev_list_entry_get_num(list_entry))
+                        /* simple unmanaged link name */
+                        node_symlink(udev, udev_device_get_devnode(dev), udev_list_entry_get_name(list_entry));
+                else
+                        link_update(dev, udev_list_entry_get_name(list_entry), 1);
+        }
 exit:
-	return err;
+        return err;
 }
 
 int udev_node_remove(struct udev_device *dev)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	struct udev_list_entry *list_entry;
-	const char *devnode;
-	struct stat stats;
-	struct udev_device *dev_check;
-	char filename[UTIL_PATH_SIZE];
-	int err = 0;
-
-	/* remove/update symlinks, remove symlinks from name index */
-	udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev))
-		link_update(dev, udev_list_entry_get_name(list_entry), 0);
-
-	/* remove /dev/{block,char}/$major:$minor */
-	snprintf(filename, sizeof(filename), "%s/%s/%u:%u",
-		 udev_get_dev_path(udev),
-		 strcmp(udev_device_get_subsystem(dev), "block") == 0 ? "block" : "char",
-		 major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev)));
-	unlink(filename);
+        struct udev *udev = udev_device_get_udev(dev);
+        struct udev_list_entry *list_entry;
+        const char *devnode;
+        struct stat stats;
+        struct udev_device *dev_check;
+        char filename[UTIL_PATH_SIZE];
+        int err = 0;
+
+        /* remove/update symlinks, remove symlinks from name index */
+        udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev))
+                link_update(dev, udev_list_entry_get_name(list_entry), 0);
+
+        /* remove /dev/{block,char}/$major:$minor */
+        snprintf(filename, sizeof(filename), "%s/%s/%u:%u",
+                 udev_get_dev_path(udev),
+                 strcmp(udev_device_get_subsystem(dev), "block") == 0 ? "block" : "char",
+                 major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev)));
+        unlink(filename);
 out:
-	return err;
+        return err;
 }
diff --git a/src/udev-rules.c b/src/udev-rules.c
index 7e795451..d14a57ab 100644
--- a/src/udev-rules.c
+++ b/src/udev-rules.c
@@ -32,408 +32,408 @@
 
 #include "udev.h"
 
-#define PREALLOC_TOKEN			2048
-#define PREALLOC_STRBUF			32 * 1024
-#define PREALLOC_TRIE			256
+#define PREALLOC_TOKEN                        2048
+#define PREALLOC_STRBUF                        32 * 1024
+#define PREALLOC_TRIE                        256
 
 struct uid_gid {
-	unsigned int name_off;
-	union {
-		uid_t	uid;
-		gid_t	gid;
-	};
+        unsigned int name_off;
+        union {
+                uid_t        uid;
+                gid_t        gid;
+        };
 };
 
 struct trie_node {
-	/* this node's first child */
-	unsigned int child_idx;
-	/* the next child of our parent node's child list */
-	unsigned int next_child_idx;
-	/* this node's last child (shortcut for append) */
-	unsigned int last_child_idx;
-	unsigned int value_off;
-	unsigned short value_len;
-	unsigned char key;
+        /* this node's first child */
+        unsigned int child_idx;
+        /* the next child of our parent node's child list */
+        unsigned int next_child_idx;
+        /* this node's last child (shortcut for append) */
+        unsigned int last_child_idx;
+        unsigned int value_off;
+        unsigned short value_len;
+        unsigned char key;
 };
 
 struct udev_rules {
-	struct udev *udev;
-	int resolve_names;
-
-	/* every key in the rules file becomes a token */
-	struct token *tokens;
-	unsigned int token_cur;
-	unsigned int token_max;
-
-	/* all key strings are copied to a single string buffer */
-	char *buf;
-	size_t buf_cur;
-	size_t buf_max;
-	unsigned int buf_count;
-
-	/* during rule parsing, strings are indexed to find duplicates */
-	struct trie_node *trie_nodes;
-	unsigned int trie_nodes_cur;
-	unsigned int trie_nodes_max;
-
-	/* during rule parsing, uid/gid lookup results are cached */
-	struct uid_gid *uids;
-	unsigned int uids_cur;
-	unsigned int uids_max;
-	struct uid_gid *gids;
-	unsigned int gids_cur;
-	unsigned int gids_max;
+        struct udev *udev;
+        int resolve_names;
+
+        /* every key in the rules file becomes a token */
+        struct token *tokens;
+        unsigned int token_cur;
+        unsigned int token_max;
+
+        /* all key strings are copied to a single string buffer */
+        char *buf;
+        size_t buf_cur;
+        size_t buf_max;
+        unsigned int buf_count;
+
+        /* during rule parsing, strings are indexed to find duplicates */
+        struct trie_node *trie_nodes;
+        unsigned int trie_nodes_cur;
+        unsigned int trie_nodes_max;
+
+        /* during rule parsing, uid/gid lookup results are cached */
+        struct uid_gid *uids;
+        unsigned int uids_cur;
+        unsigned int uids_max;
+        struct uid_gid *gids;
+        unsigned int gids_cur;
+        unsigned int gids_max;
 };
 
 /* KEY=="", KEY!="", KEY+="", KEY="", KEY:="" */
 enum operation_type {
-	OP_UNSET,
+        OP_UNSET,
 
-	OP_MATCH,
-	OP_NOMATCH,
-	OP_MATCH_MAX,
+        OP_MATCH,
+        OP_NOMATCH,
+        OP_MATCH_MAX,
 
-	OP_ADD,
-	OP_ASSIGN,
-	OP_ASSIGN_FINAL,
+        OP_ADD,
+        OP_ASSIGN,
+        OP_ASSIGN_FINAL,
 };
 
 enum string_glob_type {
-	GL_UNSET,
-	GL_PLAIN,			/* no special chars */
-	GL_GLOB,			/* shell globs ?,*,[] */
-	GL_SPLIT,			/* multi-value A|B */
-	GL_SPLIT_GLOB,			/* multi-value with glob A*|B* */
-	GL_SOMETHING,			/* commonly used "?*" */
+        GL_UNSET,
+        GL_PLAIN,                        /* no special chars */
+        GL_GLOB,                        /* shell globs ?,*,[] */
+        GL_SPLIT,                        /* multi-value A|B */
+        GL_SPLIT_GLOB,                        /* multi-value with glob A*|B* */
+        GL_SOMETHING,                        /* commonly used "?*" */
 };
 
 enum string_subst_type {
-	SB_UNSET,
-	SB_NONE,
-	SB_FORMAT,
-	SB_SUBSYS,
+        SB_UNSET,
+        SB_NONE,
+        SB_FORMAT,
+        SB_SUBSYS,
 };
 
 /* tokens of a rule are sorted/handled in this order */
 enum token_type {
-	TK_UNSET,
-	TK_RULE,
-
-	TK_M_ACTION,			/* val */
-	TK_M_DEVPATH,			/* val */
-	TK_M_KERNEL,			/* val */
-	TK_M_DEVLINK,			/* val */
-	TK_M_NAME,			/* val */
-	TK_M_ENV,			/* val, attr */
-	TK_M_TAG,			/* val */
-	TK_M_SUBSYSTEM,			/* val */
-	TK_M_DRIVER,			/* val */
-	TK_M_WAITFOR,			/* val */
-	TK_M_ATTR,			/* val, attr */
-
-	TK_M_PARENTS_MIN,
-	TK_M_KERNELS,			/* val */
-	TK_M_SUBSYSTEMS,		/* val */
-	TK_M_DRIVERS,			/* val */
-	TK_M_ATTRS,			/* val, attr */
-	TK_M_TAGS,			/* val */
-	TK_M_PARENTS_MAX,
-
-	TK_M_TEST,			/* val, mode_t */
-	TK_M_EVENT_TIMEOUT,		/* int */
-	TK_M_PROGRAM,			/* val */
-	TK_M_IMPORT_FILE,		/* val */
-	TK_M_IMPORT_PROG,		/* val */
-	TK_M_IMPORT_BUILTIN,		/* val */
-	TK_M_IMPORT_DB,			/* val */
-	TK_M_IMPORT_CMDLINE,		/* val */
-	TK_M_IMPORT_PARENT,		/* val */
-	TK_M_RESULT,			/* val */
-	TK_M_MAX,
-
-	TK_A_STRING_ESCAPE_NONE,
-	TK_A_STRING_ESCAPE_REPLACE,
-	TK_A_DB_PERSIST,
-	TK_A_INOTIFY_WATCH,		/* int */
-	TK_A_DEVLINK_PRIO,		/* int */
-	TK_A_OWNER,			/* val */
-	TK_A_GROUP,			/* val */
-	TK_A_MODE,			/* val */
-	TK_A_OWNER_ID,			/* uid_t */
-	TK_A_GROUP_ID,			/* gid_t */
-	TK_A_MODE_ID,			/* mode_t */
-	TK_A_STATIC_NODE,		/* val */
-	TK_A_ENV,			/* val, attr */
-	TK_A_TAG,			/* val */
-	TK_A_NAME,			/* val */
-	TK_A_DEVLINK,			/* val */
-	TK_A_ATTR,			/* val, attr */
-	TK_A_RUN,			/* val, bool */
-	TK_A_GOTO,			/* size_t */
-
-	TK_END,
+        TK_UNSET,
+        TK_RULE,
+
+        TK_M_ACTION,                        /* val */
+        TK_M_DEVPATH,                        /* val */
+        TK_M_KERNEL,                        /* val */
+        TK_M_DEVLINK,                        /* val */
+        TK_M_NAME,                        /* val */
+        TK_M_ENV,                        /* val, attr */
+        TK_M_TAG,                        /* val */
+        TK_M_SUBSYSTEM,                        /* val */
+        TK_M_DRIVER,                        /* val */
+        TK_M_WAITFOR,                        /* val */
+        TK_M_ATTR,                        /* val, attr */
+
+        TK_M_PARENTS_MIN,
+        TK_M_KERNELS,                        /* val */
+        TK_M_SUBSYSTEMS,                /* val */
+        TK_M_DRIVERS,                        /* val */
+        TK_M_ATTRS,                        /* val, attr */
+        TK_M_TAGS,                        /* val */
+        TK_M_PARENTS_MAX,
+
+        TK_M_TEST,                        /* val, mode_t */
+        TK_M_EVENT_TIMEOUT,                /* int */
+        TK_M_PROGRAM,                        /* val */
+        TK_M_IMPORT_FILE,                /* val */
+        TK_M_IMPORT_PROG,                /* val */
+        TK_M_IMPORT_BUILTIN,                /* val */
+        TK_M_IMPORT_DB,                        /* val */
+        TK_M_IMPORT_CMDLINE,                /* val */
+        TK_M_IMPORT_PARENT,                /* val */
+        TK_M_RESULT,                        /* val */
+        TK_M_MAX,
+
+        TK_A_STRING_ESCAPE_NONE,
+        TK_A_STRING_ESCAPE_REPLACE,
+        TK_A_DB_PERSIST,
+        TK_A_INOTIFY_WATCH,                /* int */
+        TK_A_DEVLINK_PRIO,                /* int */
+        TK_A_OWNER,                        /* val */
+        TK_A_GROUP,                        /* val */
+        TK_A_MODE,                        /* val */
+        TK_A_OWNER_ID,                        /* uid_t */
+        TK_A_GROUP_ID,                        /* gid_t */
+        TK_A_MODE_ID,                        /* mode_t */
+        TK_A_STATIC_NODE,                /* val */
+        TK_A_ENV,                        /* val, attr */
+        TK_A_TAG,                        /* val */
+        TK_A_NAME,                        /* val */
+        TK_A_DEVLINK,                        /* val */
+        TK_A_ATTR,                        /* val, attr */
+        TK_A_RUN,                        /* val, bool */
+        TK_A_GOTO,                        /* size_t */
+
+        TK_END,
 };
 
 /* we try to pack stuff in a way that we take only 12 bytes per token */
 struct token {
-	union {
-		unsigned char type;		/* same in rule and key */
-		struct {
-			enum token_type type:8;
-			bool can_set_name:1;
-			bool has_static_node:1;
-			unsigned int unused:6;
-			unsigned short token_count;
-			unsigned int label_off;
-			unsigned short filename_off;
-			unsigned short filename_line;
-		} rule;
-		struct {
-			enum token_type type:8;
-			enum operation_type op:8;
-			enum string_glob_type glob:8;
-			enum string_subst_type subst:4;
-			enum string_subst_type attrsubst:4;
-			unsigned int value_off;
-			union {
-				unsigned int attr_off;
-				int devlink_unique;
-				unsigned int rule_goto;
-				mode_t  mode;
-				uid_t uid;
-				gid_t gid;
-				int devlink_prio;
-				int event_timeout;
-				int watch;
-				enum udev_builtin_cmd builtin_cmd;
-			};
-		} key;
-	};
+        union {
+                unsigned char type;                /* same in rule and key */
+                struct {
+                        enum token_type type:8;
+                        bool can_set_name:1;
+                        bool has_static_node:1;
+                        unsigned int unused:6;
+                        unsigned short token_count;
+                        unsigned int label_off;
+                        unsigned short filename_off;
+                        unsigned short filename_line;
+                } rule;
+                struct {
+                        enum token_type type:8;
+                        enum operation_type op:8;
+                        enum string_glob_type glob:8;
+                        enum string_subst_type subst:4;
+                        enum string_subst_type attrsubst:4;
+                        unsigned int value_off;
+                        union {
+                                unsigned int attr_off;
+                                int devlink_unique;
+                                unsigned int rule_goto;
+                                mode_t  mode;
+                                uid_t uid;
+                                gid_t gid;
+                                int devlink_prio;
+                                int event_timeout;
+                                int watch;
+                                enum udev_builtin_cmd builtin_cmd;
+                        };
+                } key;
+        };
 };
 
-#define MAX_TK		64
+#define MAX_TK                64
 struct rule_tmp {
-	struct udev_rules *rules;
-	struct token rule;
-	struct token token[MAX_TK];
-	unsigned int token_cur;
+        struct udev_rules *rules;
+        struct token rule;
+        struct token token[MAX_TK];
+        unsigned int token_cur;
 };
 
 #ifdef ENABLE_DEBUG
 static const char *operation_str(enum operation_type type)
 {
-	static const char *operation_strs[] = {
-		[OP_UNSET] =		"UNSET",
-		[OP_MATCH] =		"match",
-		[OP_NOMATCH] =		"nomatch",
-		[OP_MATCH_MAX] =	"MATCH_MAX",
-
-		[OP_ADD] =		"add",
-		[OP_ASSIGN] =		"assign",
-		[OP_ASSIGN_FINAL] =	"assign-final",
-}	;
-
-	return operation_strs[type];
+        static const char *operation_strs[] = {
+                [OP_UNSET] =                "UNSET",
+                [OP_MATCH] =                "match",
+                [OP_NOMATCH] =                "nomatch",
+                [OP_MATCH_MAX] =        "MATCH_MAX",
+
+                [OP_ADD] =                "add",
+                [OP_ASSIGN] =                "assign",
+                [OP_ASSIGN_FINAL] =        "assign-final",
+}        ;
+
+        return operation_strs[type];
 }
 
 static const char *string_glob_str(enum string_glob_type type)
 {
-	static const char *string_glob_strs[] = {
-		[GL_UNSET] = 		"UNSET",
-		[GL_PLAIN] = 		"plain",
-		[GL_GLOB] = 		"glob",
-		[GL_SPLIT] = 		"split",
-		[GL_SPLIT_GLOB] = 	"split-glob",
-		[GL_SOMETHING] = 	"split-glob",
-	};
-
-	return string_glob_strs[type];
+        static const char *string_glob_strs[] = {
+                [GL_UNSET] =                 "UNSET",
+                [GL_PLAIN] =                 "plain",
+                [GL_GLOB] =                 "glob",
+                [GL_SPLIT] =                 "split",
+                [GL_SPLIT_GLOB] =         "split-glob",
+                [GL_SOMETHING] =         "split-glob",
+        };
+
+        return string_glob_strs[type];
 }
 
 static const char *token_str(enum token_type type)
 {
-	static const char *token_strs[] = {
-		[TK_UNSET] =			"UNSET",
-		[TK_RULE] =			"RULE",
-
-		[TK_M_ACTION] =			"M ACTION",
-		[TK_M_DEVPATH] =		"M DEVPATH",
-		[TK_M_KERNEL] =			"M KERNEL",
-		[TK_M_DEVLINK] =		"M DEVLINK",
-		[TK_M_NAME] =			"M NAME",
-		[TK_M_ENV] =			"M ENV",
-		[TK_M_TAG] =			"M TAG",
-		[TK_M_SUBSYSTEM] =		"M SUBSYSTEM",
-		[TK_M_DRIVER] =			"M DRIVER",
-		[TK_M_WAITFOR] =		"M WAITFOR",
-		[TK_M_ATTR] =			"M ATTR",
-
-		[TK_M_PARENTS_MIN] =		"M PARENTS_MIN",
-		[TK_M_KERNELS] =		"M KERNELS",
-		[TK_M_SUBSYSTEMS] =		"M SUBSYSTEMS",
-		[TK_M_DRIVERS] =		"M DRIVERS",
-		[TK_M_ATTRS] =			"M ATTRS",
-		[TK_M_TAGS] =			"M TAGS",
-		[TK_M_PARENTS_MAX] =		"M PARENTS_MAX",
-
-		[TK_M_TEST] =			"M TEST",
-		[TK_M_EVENT_TIMEOUT] =		"M EVENT_TIMEOUT",
-		[TK_M_PROGRAM] =		"M PROGRAM",
-		[TK_M_IMPORT_FILE] =		"M IMPORT_FILE",
-		[TK_M_IMPORT_PROG] =		"M IMPORT_PROG",
-		[TK_M_IMPORT_BUILTIN] =		"M IMPORT_BUILTIN",
-		[TK_M_IMPORT_DB] =		"M IMPORT_DB",
-		[TK_M_IMPORT_CMDLINE] =		"M IMPORT_CMDLINE",
-		[TK_M_IMPORT_PARENT] =		"M IMPORT_PARENT",
-		[TK_M_RESULT] =			"M RESULT",
-		[TK_M_MAX] =			"M MAX",
-
-		[TK_A_STRING_ESCAPE_NONE] =	"A STRING_ESCAPE_NONE",
-		[TK_A_STRING_ESCAPE_REPLACE] =	"A STRING_ESCAPE_REPLACE",
-		[TK_A_DB_PERSIST] =		"A DB_PERSIST",
-		[TK_A_INOTIFY_WATCH] = 		"A INOTIFY_WATCH",
-		[TK_A_DEVLINK_PRIO] =		"A DEVLINK_PRIO",
-		[TK_A_OWNER] =			"A OWNER",
-		[TK_A_GROUP] =			"A GROUP",
-		[TK_A_MODE] =			"A MODE",
-		[TK_A_OWNER_ID] =		"A OWNER_ID",
-		[TK_A_GROUP_ID] =		"A GROUP_ID",
-		[TK_A_STATIC_NODE] =		"A STATIC_NODE",
-		[TK_A_MODE_ID] =		"A MODE_ID",
-		[TK_A_ENV] =			"A ENV",
-		[TK_A_TAG] =			"A ENV",
-		[TK_A_NAME] =			"A NAME",
-		[TK_A_DEVLINK] =		"A DEVLINK",
-		[TK_A_ATTR] =			"A ATTR",
-		[TK_A_RUN] =			"A RUN",
-		[TK_A_GOTO] =			"A GOTO",
-
-		[TK_END] =			"END",
-	};
-
-	return token_strs[type];
+        static const char *token_strs[] = {
+                [TK_UNSET] =                        "UNSET",
+                [TK_RULE] =                        "RULE",
+
+                [TK_M_ACTION] =                        "M ACTION",
+                [TK_M_DEVPATH] =                "M DEVPATH",
+                [TK_M_KERNEL] =                        "M KERNEL",
+                [TK_M_DEVLINK] =                "M DEVLINK",
+                [TK_M_NAME] =                        "M NAME",
+                [TK_M_ENV] =                        "M ENV",
+                [TK_M_TAG] =                        "M TAG",
+                [TK_M_SUBSYSTEM] =                "M SUBSYSTEM",
+                [TK_M_DRIVER] =                        "M DRIVER",
+                [TK_M_WAITFOR] =                "M WAITFOR",
+                [TK_M_ATTR] =                        "M ATTR",
+
+                [TK_M_PARENTS_MIN] =                "M PARENTS_MIN",
+                [TK_M_KERNELS] =                "M KERNELS",
+                [TK_M_SUBSYSTEMS] =                "M SUBSYSTEMS",
+                [TK_M_DRIVERS] =                "M DRIVERS",
+                [TK_M_ATTRS] =                        "M ATTRS",
+                [TK_M_TAGS] =                        "M TAGS",
+                [TK_M_PARENTS_MAX] =                "M PARENTS_MAX",
+
+                [TK_M_TEST] =                        "M TEST",
+                [TK_M_EVENT_TIMEOUT] =                "M EVENT_TIMEOUT",
+                [TK_M_PROGRAM] =                "M PROGRAM",
+                [TK_M_IMPORT_FILE] =                "M IMPORT_FILE",
+                [TK_M_IMPORT_PROG] =                "M IMPORT_PROG",
+                [TK_M_IMPORT_BUILTIN] =                "M IMPORT_BUILTIN",
+                [TK_M_IMPORT_DB] =                "M IMPORT_DB",
+                [TK_M_IMPORT_CMDLINE] =                "M IMPORT_CMDLINE",
+                [TK_M_IMPORT_PARENT] =                "M IMPORT_PARENT",
+                [TK_M_RESULT] =                        "M RESULT",
+                [TK_M_MAX] =                        "M MAX",
+
+                [TK_A_STRING_ESCAPE_NONE] =        "A STRING_ESCAPE_NONE",
+                [TK_A_STRING_ESCAPE_REPLACE] =        "A STRING_ESCAPE_REPLACE",
+                [TK_A_DB_PERSIST] =                "A DB_PERSIST",
+                [TK_A_INOTIFY_WATCH] =                 "A INOTIFY_WATCH",
+                [TK_A_DEVLINK_PRIO] =                "A DEVLINK_PRIO",
+                [TK_A_OWNER] =                        "A OWNER",
+                [TK_A_GROUP] =                        "A GROUP",
+                [TK_A_MODE] =                        "A MODE",
+                [TK_A_OWNER_ID] =                "A OWNER_ID",
+                [TK_A_GROUP_ID] =                "A GROUP_ID",
+                [TK_A_STATIC_NODE] =                "A STATIC_NODE",
+                [TK_A_MODE_ID] =                "A MODE_ID",
+                [TK_A_ENV] =                        "A ENV",
+                [TK_A_TAG] =                        "A ENV",
+                [TK_A_NAME] =                        "A NAME",
+                [TK_A_DEVLINK] =                "A DEVLINK",
+                [TK_A_ATTR] =                        "A ATTR",
+                [TK_A_RUN] =                        "A RUN",
+                [TK_A_GOTO] =                        "A GOTO",
+
+                [TK_END] =                        "END",
+        };
+
+        return token_strs[type];
 }
 
 static void dump_token(struct udev_rules *rules, struct token *token)
 {
-	enum token_type type = token->type;
-	enum operation_type op = token->key.op;
-	enum string_glob_type glob = token->key.glob;
-	const char *value = &rules->buf[token->key.value_off];
-	const char *attr = &rules->buf[token->key.attr_off];
-
-	switch (type) {
-	case TK_RULE:
-		{
-			const char *tks_ptr = (char *)rules->tokens;
-			const char *tk_ptr = (char *)token;
-			unsigned int idx = (tk_ptr - tks_ptr) / sizeof(struct token);
-
-			dbg(rules->udev, "* RULE %s:%u, token: %u, count: %u, label: '%s'\n",
-			    &rules->buf[token->rule.filename_off], token->rule.filename_line,
-			    idx, token->rule.token_count,
-			    &rules->buf[token->rule.label_off]);
-			break;
-		}
-	case TK_M_ACTION:
-	case TK_M_DEVPATH:
-	case TK_M_KERNEL:
-	case TK_M_SUBSYSTEM:
-	case TK_M_DRIVER:
-	case TK_M_WAITFOR:
-	case TK_M_DEVLINK:
-	case TK_M_NAME:
-	case TK_M_KERNELS:
-	case TK_M_SUBSYSTEMS:
-	case TK_M_DRIVERS:
-	case TK_M_TAGS:
-	case TK_M_PROGRAM:
-	case TK_M_IMPORT_FILE:
-	case TK_M_IMPORT_PROG:
-	case TK_M_IMPORT_DB:
-	case TK_M_IMPORT_CMDLINE:
-	case TK_M_IMPORT_PARENT:
-	case TK_M_RESULT:
-	case TK_A_NAME:
-	case TK_A_DEVLINK:
-	case TK_A_OWNER:
-	case TK_A_GROUP:
-	case TK_A_MODE:
-	case TK_A_RUN:
-		dbg(rules->udev, "%s %s '%s'(%s)\n",
-		    token_str(type), operation_str(op), value, string_glob_str(glob));
-		break;
-	case TK_M_IMPORT_BUILTIN:
-		dbg(rules->udev, "%s %i '%s'\n", token_str(type), token->key.builtin_cmd, value);
-		break;
-	case TK_M_ATTR:
-	case TK_M_ATTRS:
-	case TK_M_ENV:
-	case TK_A_ATTR:
-	case TK_A_ENV:
-		dbg(rules->udev, "%s %s '%s' '%s'(%s)\n",
-		    token_str(type), operation_str(op), attr, value, string_glob_str(glob));
-		break;
-	case TK_M_TAG:
-	case TK_A_TAG:
-		dbg(rules->udev, "%s %s '%s'\n", token_str(type), operation_str(op), value);
-		break;
-	case TK_A_STRING_ESCAPE_NONE:
-	case TK_A_STRING_ESCAPE_REPLACE:
-	case TK_A_DB_PERSIST:
-		dbg(rules->udev, "%s\n", token_str(type));
-		break;
-	case TK_M_TEST:
-		dbg(rules->udev, "%s %s '%s'(%s) %#o\n",
-		    token_str(type), operation_str(op), value, string_glob_str(glob), token->key.mode);
-		break;
-	case TK_A_INOTIFY_WATCH:
-		dbg(rules->udev, "%s %u\n", token_str(type), token->key.watch);
-		break;
-	case TK_A_DEVLINK_PRIO:
-		dbg(rules->udev, "%s %u\n", token_str(type), token->key.devlink_prio);
-		break;
-	case TK_A_OWNER_ID:
-		dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.uid);
-		break;
-	case TK_A_GROUP_ID:
-		dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.gid);
-		break;
-	case TK_A_MODE_ID:
-		dbg(rules->udev, "%s %s %#o\n", token_str(type), operation_str(op), token->key.mode);
-		break;
-	case TK_A_STATIC_NODE:
-		dbg(rules->udev, "%s '%s'\n", token_str(type), value);
-		break;
-	case TK_M_EVENT_TIMEOUT:
-		dbg(rules->udev, "%s %u\n", token_str(type), token->key.event_timeout);
-		break;
-	case TK_A_GOTO:
-		dbg(rules->udev, "%s '%s' %u\n", token_str(type), value, token->key.rule_goto);
-		break;
-	case TK_END:
-		dbg(rules->udev, "* %s\n", token_str(type));
-		break;
-	case TK_M_PARENTS_MIN:
-	case TK_M_PARENTS_MAX:
-	case TK_M_MAX:
-	case TK_UNSET:
-		dbg(rules->udev, "unknown type %u\n", type);
-		break;
-	}
+        enum token_type type = token->type;
+        enum operation_type op = token->key.op;
+        enum string_glob_type glob = token->key.glob;
+        const char *value = &rules->buf[token->key.value_off];
+        const char *attr = &rules->buf[token->key.attr_off];
+
+        switch (type) {
+        case TK_RULE:
+                {
+                        const char *tks_ptr = (char *)rules->tokens;
+                        const char *tk_ptr = (char *)token;
+                        unsigned int idx = (tk_ptr - tks_ptr) / sizeof(struct token);
+
+                        dbg(rules->udev, "* RULE %s:%u, token: %u, count: %u, label: '%s'\n",
+                            &rules->buf[token->rule.filename_off], token->rule.filename_line,
+                            idx, token->rule.token_count,
+                            &rules->buf[token->rule.label_off]);
+                        break;
+                }
+        case TK_M_ACTION:
+        case TK_M_DEVPATH:
+        case TK_M_KERNEL:
+        case TK_M_SUBSYSTEM:
+        case TK_M_DRIVER:
+        case TK_M_WAITFOR:
+        case TK_M_DEVLINK:
+        case TK_M_NAME:
+        case TK_M_KERNELS:
+        case TK_M_SUBSYSTEMS:
+        case TK_M_DRIVERS:
+        case TK_M_TAGS:
+        case TK_M_PROGRAM:
+        case TK_M_IMPORT_FILE:
+        case TK_M_IMPORT_PROG:
+        case TK_M_IMPORT_DB:
+        case TK_M_IMPORT_CMDLINE:
+        case TK_M_IMPORT_PARENT:
+        case TK_M_RESULT:
+        case TK_A_NAME:
+        case TK_A_DEVLINK:
+        case TK_A_OWNER:
+        case TK_A_GROUP:
+        case TK_A_MODE:
+        case TK_A_RUN:
+                dbg(rules->udev, "%s %s '%s'(%s)\n",
+                    token_str(type), operation_str(op), value, string_glob_str(glob));
+                break;
+        case TK_M_IMPORT_BUILTIN:
+                dbg(rules->udev, "%s %i '%s'\n", token_str(type), token->key.builtin_cmd, value);
+                break;
+        case TK_M_ATTR:
+        case TK_M_ATTRS:
+        case TK_M_ENV:
+        case TK_A_ATTR:
+        case TK_A_ENV:
+                dbg(rules->udev, "%s %s '%s' '%s'(%s)\n",
+                    token_str(type), operation_str(op), attr, value, string_glob_str(glob));
+                break;
+        case TK_M_TAG:
+        case TK_A_TAG:
+                dbg(rules->udev, "%s %s '%s'\n", token_str(type), operation_str(op), value);
+                break;
+        case TK_A_STRING_ESCAPE_NONE:
+        case TK_A_STRING_ESCAPE_REPLACE:
+        case TK_A_DB_PERSIST:
+                dbg(rules->udev, "%s\n", token_str(type));
+                break;
+        case TK_M_TEST:
+                dbg(rules->udev, "%s %s '%s'(%s) %#o\n",
+                    token_str(type), operation_str(op), value, string_glob_str(glob), token->key.mode);
+                break;
+        case TK_A_INOTIFY_WATCH:
+                dbg(rules->udev, "%s %u\n", token_str(type), token->key.watch);
+                break;
+        case TK_A_DEVLINK_PRIO:
+                dbg(rules->udev, "%s %u\n", token_str(type), token->key.devlink_prio);
+                break;
+        case TK_A_OWNER_ID:
+                dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.uid);
+                break;
+        case TK_A_GROUP_ID:
+                dbg(rules->udev, "%s %s %u\n", token_str(type), operation_str(op), token->key.gid);
+                break;
+        case TK_A_MODE_ID:
+                dbg(rules->udev, "%s %s %#o\n", token_str(type), operation_str(op), token->key.mode);
+                break;
+        case TK_A_STATIC_NODE:
+                dbg(rules->udev, "%s '%s'\n", token_str(type), value);
+                break;
+        case TK_M_EVENT_TIMEOUT:
+                dbg(rules->udev, "%s %u\n", token_str(type), token->key.event_timeout);
+                break;
+        case TK_A_GOTO:
+                dbg(rules->udev, "%s '%s' %u\n", token_str(type), value, token->key.rule_goto);
+                break;
+        case TK_END:
+                dbg(rules->udev, "* %s\n", token_str(type));
+                break;
+        case TK_M_PARENTS_MIN:
+        case TK_M_PARENTS_MAX:
+        case TK_M_MAX:
+        case TK_UNSET:
+                dbg(rules->udev, "unknown type %u\n", type);
+                break;
+        }
 }
 
 static void dump_rules(struct udev_rules *rules)
 {
-	unsigned int i;
-
-	dbg(rules->udev, "dumping %u (%zu bytes) tokens, %u (%zu bytes) strings\n",
-	    rules->token_cur,
-	    rules->token_cur * sizeof(struct token),
-	    rules->buf_count,
-	    rules->buf_cur);
-	for(i = 0; i < rules->token_cur; i++)
-		dump_token(rules, &rules->tokens[i]);
+        unsigned int i;
+
+        dbg(rules->udev, "dumping %u (%zu bytes) tokens, %u (%zu bytes) strings\n",
+            rules->token_cur,
+            rules->token_cur * sizeof(struct token),
+            rules->buf_count,
+            rules->buf_cur);
+        for(i = 0; i < rules->token_cur; i++)
+                dump_token(rules, &rules->tokens[i]);
 }
 #else
 static inline const char *operation_str(enum operation_type type) { return NULL; }
@@ -444,2310 +444,2310 @@ static inline void dump_rules(struct udev_rules *rules) {}
 
 static int add_new_string(struct udev_rules *rules, const char *str, size_t bytes)
 {
-	int off;
-
-	/* grow buffer if needed */
-	if (rules->buf_cur + bytes+1 >= rules->buf_max) {
-		char *buf;
-		unsigned int add;
-
-		/* double the buffer size */
-		add = rules->buf_max;
-		if (add < bytes * 8)
-			add = bytes * 8;
-
-		buf = realloc(rules->buf, rules->buf_max + add);
-		if (buf == NULL)
-			return -1;
-		dbg(rules->udev, "extend buffer from %zu to %zu\n", rules->buf_max, rules->buf_max + add);
-		rules->buf = buf;
-		rules->buf_max += add;
-	}
-	off = rules->buf_cur;
-	memcpy(&rules->buf[rules->buf_cur], str, bytes);
-	rules->buf_cur += bytes;
-	rules->buf_count++;
-	return off;
+        int off;
+
+        /* grow buffer if needed */
+        if (rules->buf_cur + bytes+1 >= rules->buf_max) {
+                char *buf;
+                unsigned int add;
+
+                /* double the buffer size */
+                add = rules->buf_max;
+                if (add < bytes * 8)
+                        add = bytes * 8;
+
+                buf = realloc(rules->buf, rules->buf_max + add);
+                if (buf == NULL)
+                        return -1;
+                dbg(rules->udev, "extend buffer from %zu to %zu\n", rules->buf_max, rules->buf_max + add);
+                rules->buf = buf;
+                rules->buf_max += add;
+        }
+        off = rules->buf_cur;
+        memcpy(&rules->buf[rules->buf_cur], str, bytes);
+        rules->buf_cur += bytes;
+        rules->buf_count++;
+        return off;
 }
 
 static int add_string(struct udev_rules *rules, const char *str)
 {
-	unsigned int node_idx;
-	struct trie_node *new_node;
-	unsigned int new_node_idx;
-	unsigned char key;
-	unsigned short len;
-	unsigned int depth;
-	unsigned int off;
-	struct trie_node *parent;
-
-	/* walk trie, start from last character of str to find matching tails */
-	len = strlen(str);
-	key = str[len-1];
-	node_idx = 0;
-	for (depth = 0; depth <= len; depth++) {
-		struct trie_node *node;
-		unsigned int child_idx;
-
-		node = &rules->trie_nodes[node_idx];
-		off = node->value_off + node->value_len - len;
-
-		/* match against current node */
-		if (depth == len || (node->value_len >= len && memcmp(&rules->buf[off], str, len) == 0))
-			return off;
-
-		/* lookup child node */
-		key = str[len - 1 - depth];
-		child_idx = node->child_idx;
-		while (child_idx > 0) {
-			struct trie_node *child;
-
-			child = &rules->trie_nodes[child_idx];
-			if (child->key == key)
-				break;
-			child_idx = child->next_child_idx;
-		}
-		if (child_idx == 0)
-			break;
-		node_idx = child_idx;
-	}
-
-	/* string not found, add it */
-	off = add_new_string(rules, str, len + 1);
-
-	/* grow trie nodes if needed */
-	if (rules->trie_nodes_cur >= rules->trie_nodes_max) {
-		struct trie_node *nodes;
-		unsigned int add;
-
-		/* double the buffer size */
-		add = rules->trie_nodes_max;
-		if (add < 8)
-			add = 8;
-
-		nodes = realloc(rules->trie_nodes, (rules->trie_nodes_max + add) * sizeof(struct trie_node));
-		if (nodes == NULL)
-			return -1;
-		dbg(rules->udev, "extend trie nodes from %u to %u\n",
-		    rules->trie_nodes_max, rules->trie_nodes_max + add);
-		rules->trie_nodes = nodes;
-		rules->trie_nodes_max += add;
-	}
-
-	/* get a new node */
-	new_node_idx = rules->trie_nodes_cur;
-	rules->trie_nodes_cur++;
-	new_node = &rules->trie_nodes[new_node_idx];
-	memset(new_node, 0x00, sizeof(struct trie_node));
-	new_node->value_off = off;
-	new_node->value_len = len;
-	new_node->key = key;
-
-	/* join the parent's child list */
-	parent = &rules->trie_nodes[node_idx];
-	if (parent->child_idx == 0) {
-		parent->child_idx = new_node_idx;
-	} else {
-		struct trie_node *last_child;
-
-		last_child = &rules->trie_nodes[parent->last_child_idx];
-		last_child->next_child_idx = new_node_idx;
-	}
-	parent->last_child_idx = new_node_idx;
-	return off;
+        unsigned int node_idx;
+        struct trie_node *new_node;
+        unsigned int new_node_idx;
+        unsigned char key;
+        unsigned short len;
+        unsigned int depth;
+        unsigned int off;
+        struct trie_node *parent;
+
+        /* walk trie, start from last character of str to find matching tails */
+        len = strlen(str);
+        key = str[len-1];
+        node_idx = 0;
+        for (depth = 0; depth <= len; depth++) {
+                struct trie_node *node;
+                unsigned int child_idx;
+
+                node = &rules->trie_nodes[node_idx];
+                off = node->value_off + node->value_len - len;
+
+                /* match against current node */
+                if (depth == len || (node->value_len >= len && memcmp(&rules->buf[off], str, len) == 0))
+                        return off;
+
+                /* lookup child node */
+                key = str[len - 1 - depth];
+                child_idx = node->child_idx;
+                while (child_idx > 0) {
+                        struct trie_node *child;
+
+                        child = &rules->trie_nodes[child_idx];
+                        if (child->key == key)
+                                break;
+                        child_idx = child->next_child_idx;
+                }
+                if (child_idx == 0)
+                        break;
+                node_idx = child_idx;
+        }
+
+        /* string not found, add it */
+        off = add_new_string(rules, str, len + 1);
+
+        /* grow trie nodes if needed */
+        if (rules->trie_nodes_cur >= rules->trie_nodes_max) {
+                struct trie_node *nodes;
+                unsigned int add;
+
+                /* double the buffer size */
+                add = rules->trie_nodes_max;
+                if (add < 8)
+                        add = 8;
+
+                nodes = realloc(rules->trie_nodes, (rules->trie_nodes_max + add) * sizeof(struct trie_node));
+                if (nodes == NULL)
+                        return -1;
+                dbg(rules->udev, "extend trie nodes from %u to %u\n",
+                    rules->trie_nodes_max, rules->trie_nodes_max + add);
+                rules->trie_nodes = nodes;
+                rules->trie_nodes_max += add;
+        }
+
+        /* get a new node */
+        new_node_idx = rules->trie_nodes_cur;
+        rules->trie_nodes_cur++;
+        new_node = &rules->trie_nodes[new_node_idx];
+        memset(new_node, 0x00, sizeof(struct trie_node));
+        new_node->value_off = off;
+        new_node->value_len = len;
+        new_node->key = key;
+
+        /* join the parent's child list */
+        parent = &rules->trie_nodes[node_idx];
+        if (parent->child_idx == 0) {
+                parent->child_idx = new_node_idx;
+        } else {
+                struct trie_node *last_child;
+
+                last_child = &rules->trie_nodes[parent->last_child_idx];
+                last_child->next_child_idx = new_node_idx;
+        }
+        parent->last_child_idx = new_node_idx;
+        return off;
 }
 
 static int add_token(struct udev_rules *rules, struct token *token)
 {
-	/* grow buffer if needed */
-	if (rules->token_cur+1 >= rules->token_max) {
-		struct token *tokens;
-		unsigned int add;
-
-		/* double the buffer size */
-		add = rules->token_max;
-		if (add < 8)
-			add = 8;
-
-		tokens = realloc(rules->tokens, (rules->token_max + add ) * sizeof(struct token));
-		if (tokens == NULL)
-			return -1;
-		dbg(rules->udev, "extend tokens from %u to %u\n", rules->token_max, rules->token_max + add);
-		rules->tokens = tokens;
-		rules->token_max += add;
-	}
-	memcpy(&rules->tokens[rules->token_cur], token, sizeof(struct token));
-	rules->token_cur++;
-	return 0;
+        /* grow buffer if needed */
+        if (rules->token_cur+1 >= rules->token_max) {
+                struct token *tokens;
+                unsigned int add;
+
+                /* double the buffer size */
+                add = rules->token_max;
+                if (add < 8)
+                        add = 8;
+
+                tokens = realloc(rules->tokens, (rules->token_max + add ) * sizeof(struct token));
+                if (tokens == NULL)
+                        return -1;
+                dbg(rules->udev, "extend tokens from %u to %u\n", rules->token_max, rules->token_max + add);
+                rules->tokens = tokens;
+                rules->token_max += add;
+        }
+        memcpy(&rules->tokens[rules->token_cur], token, sizeof(struct token));
+        rules->token_cur++;
+        return 0;
 }
 
 static uid_t add_uid(struct udev_rules *rules, const char *owner)
 {
-	unsigned int i;
-	uid_t uid;
-	unsigned int off;
-
-	/* lookup, if we know it already */
-	for (i = 0; i < rules->uids_cur; i++) {
-		off = rules->uids[i].name_off;
-		if (strcmp(&rules->buf[off], owner) == 0) {
-			uid = rules->uids[i].uid;
-			dbg(rules->udev, "return existing %u for '%s'\n", uid, owner);
-			return uid;
-		}
-	}
-	uid = util_lookup_user(rules->udev, owner);
-
-	/* grow buffer if needed */
-	if (rules->uids_cur+1 >= rules->uids_max) {
-		struct uid_gid *uids;
-		unsigned int add;
-
-		/* double the buffer size */
-		add = rules->uids_max;
-		if (add < 1)
-			add = 8;
-
-		uids = realloc(rules->uids, (rules->uids_max + add ) * sizeof(struct uid_gid));
-		if (uids == NULL)
-			return uid;
-		dbg(rules->udev, "extend uids from %u to %u\n", rules->uids_max, rules->uids_max + add);
-		rules->uids = uids;
-		rules->uids_max += add;
-	}
-	rules->uids[rules->uids_cur].uid = uid;
-	off = add_string(rules, owner);
-	if (off <= 0)
-		return uid;
-	rules->uids[rules->uids_cur].name_off = off;
-	rules->uids_cur++;
-	return uid;
+        unsigned int i;
+        uid_t uid;
+        unsigned int off;
+
+        /* lookup, if we know it already */
+        for (i = 0; i < rules->uids_cur; i++) {
+                off = rules->uids[i].name_off;
+                if (strcmp(&rules->buf[off], owner) == 0) {
+                        uid = rules->uids[i].uid;
+                        dbg(rules->udev, "return existing %u for '%s'\n", uid, owner);
+                        return uid;
+                }
+        }
+        uid = util_lookup_user(rules->udev, owner);
+
+        /* grow buffer if needed */
+        if (rules->uids_cur+1 >= rules->uids_max) {
+                struct uid_gid *uids;
+                unsigned int add;
+
+                /* double the buffer size */
+                add = rules->uids_max;
+                if (add < 1)
+                        add = 8;
+
+                uids = realloc(rules->uids, (rules->uids_max + add ) * sizeof(struct uid_gid));
+                if (uids == NULL)
+                        return uid;
+                dbg(rules->udev, "extend uids from %u to %u\n", rules->uids_max, rules->uids_max + add);
+                rules->uids = uids;
+                rules->uids_max += add;
+        }
+        rules->uids[rules->uids_cur].uid = uid;
+        off = add_string(rules, owner);
+        if (off <= 0)
+                return uid;
+        rules->uids[rules->uids_cur].name_off = off;
+        rules->uids_cur++;
+        return uid;
 }
 
 static gid_t add_gid(struct udev_rules *rules, const char *group)
 {
-	unsigned int i;
-	gid_t gid;
-	unsigned int off;
-
-	/* lookup, if we know it already */
-	for (i = 0; i < rules->gids_cur; i++) {
-		off = rules->gids[i].name_off;
-		if (strcmp(&rules->buf[off], group) == 0) {
-			gid = rules->gids[i].gid;
-			dbg(rules->udev, "return existing %u for '%s'\n", gid, group);
-			return gid;
-		}
-	}
-	gid = util_lookup_group(rules->udev, group);
-
-	/* grow buffer if needed */
-	if (rules->gids_cur+1 >= rules->gids_max) {
-		struct uid_gid *gids;
-		unsigned int add;
-
-		/* double the buffer size */
-		add = rules->gids_max;
-		if (add < 1)
-			add = 8;
-
-		gids = realloc(rules->gids, (rules->gids_max + add ) * sizeof(struct uid_gid));
-		if (gids == NULL)
-			return gid;
-		dbg(rules->udev, "extend gids from %u to %u\n", rules->gids_max, rules->gids_max + add);
-		rules->gids = gids;
-		rules->gids_max += add;
-	}
-	rules->gids[rules->gids_cur].gid = gid;
-	off = add_string(rules, group);
-	if (off <= 0)
-		return gid;
-	rules->gids[rules->gids_cur].name_off = off;
-	rules->gids_cur++;
-	return gid;
+        unsigned int i;
+        gid_t gid;
+        unsigned int off;
+
+        /* lookup, if we know it already */
+        for (i = 0; i < rules->gids_cur; i++) {
+                off = rules->gids[i].name_off;
+                if (strcmp(&rules->buf[off], group) == 0) {
+                        gid = rules->gids[i].gid;
+                        dbg(rules->udev, "return existing %u for '%s'\n", gid, group);
+                        return gid;
+                }
+        }
+        gid = util_lookup_group(rules->udev, group);
+
+        /* grow buffer if needed */
+        if (rules->gids_cur+1 >= rules->gids_max) {
+                struct uid_gid *gids;
+                unsigned int add;
+
+                /* double the buffer size */
+                add = rules->gids_max;
+                if (add < 1)
+                        add = 8;
+
+                gids = realloc(rules->gids, (rules->gids_max + add ) * sizeof(struct uid_gid));
+                if (gids == NULL)
+                        return gid;
+                dbg(rules->udev, "extend gids from %u to %u\n", rules->gids_max, rules->gids_max + add);
+                rules->gids = gids;
+                rules->gids_max += add;
+        }
+        rules->gids[rules->gids_cur].gid = gid;
+        off = add_string(rules, group);
+        if (off <= 0)
+                return gid;
+        rules->gids[rules->gids_cur].name_off = off;
+        rules->gids_cur++;
+        return gid;
 }
 
 static int import_property_from_string(struct udev_device *dev, char *line)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	char *key;
-	char *val;
-	size_t len;
-
-	/* find key */
-	key = line;
-	while (isspace(key[0]))
-		key++;
-
-	/* comment or empty line */
-	if (key[0] == '#' || key[0] == '\0')
-		return -1;
-
-	/* split key/value */
-	val = strchr(key, '=');
-	if (val == NULL)
-		return -1;
-	val[0] = '\0';
-	val++;
-
-	/* find value */
-	while (isspace(val[0]))
-		val++;
-
-	/* terminate key */
-	len = strlen(key);
-	if (len == 0)
-		return -1;
-	while (isspace(key[len-1]))
-		len--;
-	key[len] = '\0';
-
-	/* terminate value */
-	len = strlen(val);
-	if (len == 0)
-		return -1;
-	while (isspace(val[len-1]))
-		len--;
-	val[len] = '\0';
-
-	if (len == 0)
-		return -1;
-
-	/* unquote */
-	if (val[0] == '"' || val[0] == '\'') {
-		if (val[len-1] != val[0]) {
-			info(udev, "inconsistent quoting: '%s', skip\n", line);
-			return -1;
-		}
-		val[len-1] = '\0';
-		val++;
-	}
-
-	dbg(udev, "adding '%s'='%s'\n", key, val);
-
-	/* handle device, renamed by external tool, returning new path */
-	if (strcmp(key, "DEVPATH") == 0) {
-		char syspath[UTIL_PATH_SIZE];
-
-		info(udev, "updating devpath from '%s' to '%s'\n",
-		     udev_device_get_devpath(dev), val);
-		util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), val, NULL);
-		udev_device_set_syspath(dev, syspath);
-	} else {
-		struct udev_list_entry *entry;
-
-		entry = udev_device_add_property(dev, key, val);
-		/* store in db, skip private keys */
-		if (key[0] != '.')
-			udev_list_entry_set_num(entry, true);
-	}
-	return 0;
+        struct udev *udev = udev_device_get_udev(dev);
+        char *key;
+        char *val;
+        size_t len;
+
+        /* find key */
+        key = line;
+        while (isspace(key[0]))
+                key++;
+
+        /* comment or empty line */
+        if (key[0] == '#' || key[0] == '\0')
+                return -1;
+
+        /* split key/value */
+        val = strchr(key, '=');
+        if (val == NULL)
+                return -1;
+        val[0] = '\0';
+        val++;
+
+        /* find value */
+        while (isspace(val[0]))
+                val++;
+
+        /* terminate key */
+        len = strlen(key);
+        if (len == 0)
+                return -1;
+        while (isspace(key[len-1]))
+                len--;
+        key[len] = '\0';
+
+        /* terminate value */
+        len = strlen(val);
+        if (len == 0)
+                return -1;
+        while (isspace(val[len-1]))
+                len--;
+        val[len] = '\0';
+
+        if (len == 0)
+                return -1;
+
+        /* unquote */
+        if (val[0] == '"' || val[0] == '\'') {
+                if (val[len-1] != val[0]) {
+                        info(udev, "inconsistent quoting: '%s', skip\n", line);
+                        return -1;
+                }
+                val[len-1] = '\0';
+                val++;
+        }
+
+        dbg(udev, "adding '%s'='%s'\n", key, val);
+
+        /* handle device, renamed by external tool, returning new path */
+        if (strcmp(key, "DEVPATH") == 0) {
+                char syspath[UTIL_PATH_SIZE];
+
+                info(udev, "updating devpath from '%s' to '%s'\n",
+                     udev_device_get_devpath(dev), val);
+                util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), val, NULL);
+                udev_device_set_syspath(dev, syspath);
+        } else {
+                struct udev_list_entry *entry;
+
+                entry = udev_device_add_property(dev, key, val);
+                /* store in db, skip private keys */
+                if (key[0] != '.')
+                        udev_list_entry_set_num(entry, true);
+        }
+        return 0;
 }
 
 static int import_file_into_properties(struct udev_device *dev, const char *filename)
 {
-	FILE *f;
-	char line[UTIL_LINE_SIZE];
-
-	f = fopen(filename, "r");
-	if (f == NULL)
-		return -1;
-	while (fgets(line, sizeof(line), f) != NULL)
-		import_property_from_string(dev, line);
-	fclose(f);
-	return 0;
+        FILE *f;
+        char line[UTIL_LINE_SIZE];
+
+        f = fopen(filename, "r");
+        if (f == NULL)
+                return -1;
+        while (fgets(line, sizeof(line), f) != NULL)
+                import_property_from_string(dev, line);
+        fclose(f);
+        return 0;
 }
 
 static int import_program_into_properties(struct udev_event *event, const char *program, const sigset_t *sigmask)
 {
-	struct udev_device *dev = event->dev;
-	char **envp;
-	char result[UTIL_LINE_SIZE];
-	char *line;
-	int err;
-
-	envp = udev_device_get_properties_envp(dev);
-	err = udev_event_spawn(event, program, envp, sigmask, result, sizeof(result));
-	if (err < 0)
-		return err;
-
-	line = result;
-	while (line != NULL) {
-		char *pos;
-
-		pos = strchr(line, '\n');
-		if (pos != NULL) {
-			pos[0] = '\0';
-			pos = &pos[1];
-		}
-		import_property_from_string(dev, line);
-		line = pos;
-	}
-	return 0;
+        struct udev_device *dev = event->dev;
+        char **envp;
+        char result[UTIL_LINE_SIZE];
+        char *line;
+        int err;
+
+        envp = udev_device_get_properties_envp(dev);
+        err = udev_event_spawn(event, program, envp, sigmask, result, sizeof(result));
+        if (err < 0)
+                return err;
+
+        line = result;
+        while (line != NULL) {
+                char *pos;
+
+                pos = strchr(line, '\n');
+                if (pos != NULL) {
+                        pos[0] = '\0';
+                        pos = &pos[1];
+                }
+                import_property_from_string(dev, line);
+                line = pos;
+        }
+        return 0;
 }
 
 static int import_parent_into_properties(struct udev_device *dev, const char *filter)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	struct udev_device *dev_parent;
-	struct udev_list_entry *list_entry;
-
-	dev_parent = udev_device_get_parent(dev);
-	if (dev_parent == NULL)
-		return -1;
-
-	dbg(udev, "found parent '%s', get the node name\n", udev_device_get_syspath(dev_parent));
-	udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(dev_parent)) {
-		const char *key = udev_list_entry_get_name(list_entry);
-		const char *val = udev_list_entry_get_value(list_entry);
-
-		if (fnmatch(filter, key, 0) == 0) {
-			struct udev_list_entry *entry;
-
-			dbg(udev, "import key '%s=%s'\n", key, val);
-			entry = udev_device_add_property(dev, key, val);
-			/* store in db, skip private keys */
-			if (key[0] != '.')
-				udev_list_entry_set_num(entry, true);
-		}
-	}
-	return 0;
+        struct udev *udev = udev_device_get_udev(dev);
+        struct udev_device *dev_parent;
+        struct udev_list_entry *list_entry;
+
+        dev_parent = udev_device_get_parent(dev);
+        if (dev_parent == NULL)
+                return -1;
+
+        dbg(udev, "found parent '%s', get the node name\n", udev_device_get_syspath(dev_parent));
+        udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(dev_parent)) {
+                const char *key = udev_list_entry_get_name(list_entry);
+                const char *val = udev_list_entry_get_value(list_entry);
+
+                if (fnmatch(filter, key, 0) == 0) {
+                        struct udev_list_entry *entry;
+
+                        dbg(udev, "import key '%s=%s'\n", key, val);
+                        entry = udev_device_add_property(dev, key, val);
+                        /* store in db, skip private keys */
+                        if (key[0] != '.')
+                                udev_list_entry_set_num(entry, true);
+                }
+        }
+        return 0;
 }
 
-#define WAIT_LOOP_PER_SECOND		50
+#define WAIT_LOOP_PER_SECOND                50
 static int wait_for_file(struct udev_device *dev, const char *file, int timeout)
 {
-	struct udev *udev = udev_device_get_udev(dev);
-	char filepath[UTIL_PATH_SIZE];
-	char devicepath[UTIL_PATH_SIZE];
-	struct stat stats;
-	int loop = timeout * WAIT_LOOP_PER_SECOND;
-
-	/* a relative path is a device attribute */
-	devicepath[0] = '\0';
-	if (file[0] != '/') {
-		util_strscpyl(devicepath, sizeof(devicepath),
-			      udev_get_sys_path(udev), udev_device_get_devpath(dev), NULL);
-		util_strscpyl(filepath, sizeof(filepath), devicepath, "/", file, NULL);
-		file = filepath;
-	}
-
-	dbg(udev, "will wait %i sec for '%s'\n", timeout, file);
-	while (--loop) {
-		const struct timespec duration = { 0, 1000 * 1000 * 1000 / WAIT_LOOP_PER_SECOND };
-
-		/* lookup file */
-		if (stat(file, &stats) == 0) {
-			info(udev, "file '%s' appeared after %i loops\n", file, (timeout * WAIT_LOOP_PER_SECOND) - loop-1);
-			return 0;
-		}
-		/* make sure, the device did not disappear in the meantime */
-		if (devicepath[0] != '\0' && stat(devicepath, &stats) != 0) {
-			info(udev, "device disappeared while waiting for '%s'\n", file);
-			return -2;
-		}
-		info(udev, "wait for '%s' for %i mseconds\n", file, 1000 / WAIT_LOOP_PER_SECOND);
-		nanosleep(&duration, NULL);
-	}
-	info(udev, "waiting for '%s' failed\n", file);
-	return -1;
+        struct udev *udev = udev_device_get_udev(dev);
+        char filepath[UTIL_PATH_SIZE];
+        char devicepath[UTIL_PATH_SIZE];
+        struct stat stats;
+        int loop = timeout * WAIT_LOOP_PER_SECOND;
+
+        /* a relative path is a device attribute */
+        devicepath[0] = '\0';
+        if (file[0] != '/') {
+                util_strscpyl(devicepath, sizeof(devicepath),
+                              udev_get_sys_path(udev), udev_device_get_devpath(dev), NULL);
+                util_strscpyl(filepath, sizeof(filepath), devicepath, "/", file, NULL);
+                file = filepath;
+        }
+
+        dbg(udev, "will wait %i sec for '%s'\n", timeout, file);
+        while (--loop) {
+                const struct timespec duration = { 0, 1000 * 1000 * 1000 / WAIT_LOOP_PER_SECOND };
+
+                /* lookup file */
+                if (stat(file, &stats) == 0) {
+                        info(udev, "file '%s' appeared after %i loops\n", file, (timeout * WAIT_LOOP_PER_SECOND) - loop-1);
+                        return 0;
+                }
+                /* make sure, the device did not disappear in the meantime */
+                if (devicepath[0] != '\0' && stat(devicepath, &stats) != 0) {
+                        info(udev, "device disappeared while waiting for '%s'\n", file);
+                        return -2;
+                }
+                info(udev, "wait for '%s' for %i mseconds\n", file, 1000 / WAIT_LOOP_PER_SECOND);
+                nanosleep(&duration, NULL);
+        }
+        info(udev, "waiting for '%s' failed\n", file);
+        return -1;
 }
 
 static int attr_subst_subdir(char *attr, size_t len)
 {
-	bool found = false;
-
-	if (strstr(attr, "/*/")) {
-		char *pos;
-		char dirname[UTIL_PATH_SIZE];
-		const char *tail;
-		DIR *dir;
-
-		util_strscpy(dirname, sizeof(dirname), attr);
-		pos = strstr(dirname, "/*/");
-		if (pos == NULL)
-			return -1;
-		pos[0] = '\0';
-		tail = &pos[2];
-		dir = opendir(dirname);
-		if (dir != NULL) {
-			struct dirent *dent;
-
-			for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-				struct stat stats;
-
-				if (dent->d_name[0] == '.')
-					continue;
-				util_strscpyl(attr, len, dirname, "/", dent->d_name, tail, NULL);
-				if (stat(attr, &stats) == 0) {
-					found = true;
-					break;
-				}
-			}
-			closedir(dir);
-		}
-	}
-
-	return found;
+        bool found = false;
+
+        if (strstr(attr, "/*/")) {
+                char *pos;
+                char dirname[UTIL_PATH_SIZE];
+                const char *tail;
+                DIR *dir;
+
+                util_strscpy(dirname, sizeof(dirname), attr);
+                pos = strstr(dirname, "/*/");
+                if (pos == NULL)
+                        return -1;
+                pos[0] = '\0';
+                tail = &pos[2];
+                dir = opendir(dirname);
+                if (dir != NULL) {
+                        struct dirent *dent;
+
+                        for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
+                                struct stat stats;
+
+                                if (dent->d_name[0] == '.')
+                                        continue;
+                                util_strscpyl(attr, len, dirname, "/", dent->d_name, tail, NULL);
+                                if (stat(attr, &stats) == 0) {
+                                        found = true;
+                                        break;
+                                }
+                        }
+                        closedir(dir);
+                }
+        }
+
+        return found;
 }
 
 static int get_key(struct udev *udev, char **line, char **key, enum operation_type *op, char **value)
 {
-	char *linepos;
-	char *temp;
-
-	linepos = *line;
-	if (linepos == NULL || linepos[0] == '\0')
-		return -1;
-
-	/* skip whitespace */
-	while (isspace(linepos[0]) || linepos[0] == ',')
-		linepos++;
-
-	/* get the key */
-	if (linepos[0] == '\0')
-		return -1;
-	*key = linepos;
-
-	for (;;) {
-		linepos++;
-		if (linepos[0] == '\0')
-			return -1;
-		if (isspace(linepos[0]))
-			break;
-		if (linepos[0] == '=')
-			break;
-		if ((linepos[0] == '+') || (linepos[0] == '!') || (linepos[0] == ':'))
-			if (linepos[1] == '=')
-				break;
-	}
-
-	/* remember end of key */
-	temp = linepos;
-
-	/* skip whitespace after key */
-	while (isspace(linepos[0]))
-		linepos++;
-	if (linepos[0] == '\0')
-		return -1;
-
-	/* get operation type */
-	if (linepos[0] == '=' && linepos[1] == '=') {
-		*op = OP_MATCH;
-		linepos += 2;
-	} else if (linepos[0] == '!' && linepos[1] == '=') {
-		*op = OP_NOMATCH;
-		linepos += 2;
-	} else if (linepos[0] == '+' && linepos[1] == '=') {
-		*op = OP_ADD;
-		linepos += 2;
-	} else if (linepos[0] == '=') {
-		*op = OP_ASSIGN;
-		linepos++;
-	} else if (linepos[0] == ':' && linepos[1] == '=') {
-		*op = OP_ASSIGN_FINAL;
-		linepos += 2;
-	} else
-		return -1;
-
-	/* terminate key */
-	temp[0] = '\0';
-
-	/* skip whitespace after operator */
-	while (isspace(linepos[0]))
-		linepos++;
-	if (linepos[0] == '\0')
-		return -1;
-
-	/* get the value */
-	if (linepos[0] == '"')
-		linepos++;
-	else
-		return -1;
-	*value = linepos;
-
-	/* terminate */
-	temp = strchr(linepos, '"');
-	if (!temp)
-		return -1;
-	temp[0] = '\0';
-	temp++;
-	dbg(udev, "%s '%s'-'%s'\n", operation_str(*op), *key, *value);
-
-	/* move line to next key */
-	*line = temp;
-	return 0;
+        char *linepos;
+        char *temp;
+
+        linepos = *line;
+        if (linepos == NULL || linepos[0] == '\0')
+                return -1;
+
+        /* skip whitespace */
+        while (isspace(linepos[0]) || linepos[0] == ',')
+                linepos++;
+
+        /* get the key */
+        if (linepos[0] == '\0')
+                return -1;
+        *key = linepos;
+
+        for (;;) {
+                linepos++;
+                if (linepos[0] == '\0')
+                        return -1;
+                if (isspace(linepos[0]))
+                        break;
+                if (linepos[0] == '=')
+                        break;
+                if ((linepos[0] == '+') || (linepos[0] == '!') || (linepos[0] == ':'))
+                        if (linepos[1] == '=')
+                                break;
+        }
+
+        /* remember end of key */
+        temp = linepos;
+
+        /* skip whitespace after key */
+        while (isspace(linepos[0]))
+                linepos++;
+        if (linepos[0] == '\0')
+                return -1;
+
+        /* get operation type */
+        if (linepos[0] == '=' && linepos[1] == '=') {
+                *op = OP_MATCH;
+                linepos += 2;
+        } else if (linepos[0] == '!' && linepos[1] == '=') {
+                *op = OP_NOMATCH;
+                linepos += 2;
+        } else if (linepos[0] == '+' && linepos[1] == '=') {
+                *op = OP_ADD;
+                linepos += 2;
+        } else if (linepos[0] == '=') {
+                *op = OP_ASSIGN;
+                linepos++;
+        } else if (linepos[0] == ':' && linepos[1] == '=') {
+                *op = OP_ASSIGN_FINAL;
+                linepos += 2;
+        } else
+                return -1;
+
+        /* terminate key */
+        temp[0] = '\0';
+
+        /* skip whitespace after operator */
+        while (isspace(linepos[0]))
+                linepos++;
+        if (linepos[0] == '\0')
+                return -1;
+
+        /* get the value */
+        if (linepos[0] == '"')
+                linepos++;
+        else
+                return -1;
+        *value = linepos;
+
+        /* terminate */
+        temp = strchr(linepos, '"');
+        if (!temp)
+                return -1;
+        temp[0] = '\0';
+        temp++;
+        dbg(udev, "%s '%s'-'%s'\n", operation_str(*op), *key, *value);
+
+        /* move line to next key */
+        *line = temp;
+        return 0;
 }
 
 /* extract possible KEY{attr} */
 static char *get_key_attribute(struct udev *udev, char *str)
 {
-	char *pos;
-	char *attr;
-
-	attr = strchr(str, '{');
-	if (attr != NULL) {
-		attr++;
-		pos = strchr(attr, '}');
-		if (pos == NULL) {
-			err(udev, "missing closing brace for format\n");
-			return NULL;
-		}
-		pos[0] = '\0';
-		dbg(udev, "attribute='%s'\n", attr);
-		return attr;
-	}
-	return NULL;
+        char *pos;
+        char *attr;
+
+        attr = strchr(str, '{');
+        if (attr != NULL) {
+                attr++;
+                pos = strchr(attr, '}');
+                if (pos == NULL) {
+                        err(udev, "missing closing brace for format\n");
+                        return NULL;
+                }
+                pos[0] = '\0';
+                dbg(udev, "attribute='%s'\n", attr);
+                return attr;
+        }
+        return NULL;
 }
 
 static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
-			enum operation_type op,
-			const char *value, const void *data)
+                        enum operation_type op,
+                        const char *value, const void *data)
 {
-	struct token *token = &rule_tmp->token[rule_tmp->token_cur];
-	const char *attr = NULL;
-
-	memset(token, 0x00, sizeof(struct token));
-
-	switch (type) {
-	case TK_M_ACTION:
-	case TK_M_DEVPATH:
-	case TK_M_KERNEL:
-	case TK_M_SUBSYSTEM:
-	case TK_M_DRIVER:
-	case TK_M_WAITFOR:
-	case TK_M_DEVLINK:
-	case TK_M_NAME:
-	case TK_M_KERNELS:
-	case TK_M_SUBSYSTEMS:
-	case TK_M_DRIVERS:
-	case TK_M_TAGS:
-	case TK_M_PROGRAM:
-	case TK_M_IMPORT_FILE:
-	case TK_M_IMPORT_PROG:
-	case TK_M_IMPORT_DB:
-	case TK_M_IMPORT_CMDLINE:
-	case TK_M_IMPORT_PARENT:
-	case TK_M_RESULT:
-	case TK_A_OWNER:
-	case TK_A_GROUP:
-	case TK_A_MODE:
-	case TK_A_NAME:
-	case TK_A_GOTO:
-	case TK_M_TAG:
-	case TK_A_TAG:
-		token->key.value_off = add_string(rule_tmp->rules, value);
-		break;
-	case TK_M_IMPORT_BUILTIN:
-		token->key.value_off = add_string(rule_tmp->rules, value);
-		token->key.builtin_cmd = *(enum udev_builtin_cmd *)data;
-		break;
-	case TK_M_ENV:
-	case TK_M_ATTR:
-	case TK_M_ATTRS:
-	case TK_A_ATTR:
-	case TK_A_ENV:
-		attr = data;
-		token->key.value_off = add_string(rule_tmp->rules, value);
-		token->key.attr_off = add_string(rule_tmp->rules, attr);
-		break;
-	case TK_A_DEVLINK:
-		token->key.value_off = add_string(rule_tmp->rules, value);
-		token->key.devlink_unique = *(int *)data;
-		break;
-	case TK_M_TEST:
-		token->key.value_off = add_string(rule_tmp->rules, value);
-		if (data != NULL)
-			token->key.mode = *(mode_t *)data;
-		break;
-	case TK_A_STRING_ESCAPE_NONE:
-	case TK_A_STRING_ESCAPE_REPLACE:
-	case TK_A_DB_PERSIST:
-		break;
-	case TK_A_RUN:
-		token->key.value_off = add_string(rule_tmp->rules, value);
-		break;
-	case TK_A_INOTIFY_WATCH:
-	case TK_A_DEVLINK_PRIO:
-		token->key.devlink_prio = *(int *)data;
-		break;
-	case TK_A_OWNER_ID:
-		token->key.uid = *(uid_t *)data;
-		break;
-	case TK_A_GROUP_ID:
-		token->key.gid = *(gid_t *)data;
-		break;
-	case TK_A_MODE_ID:
-		token->key.mode = *(mode_t *)data;
-		break;
-	case TK_A_STATIC_NODE:
-		token->key.value_off = add_string(rule_tmp->rules, value);
-		break;
-	case TK_M_EVENT_TIMEOUT:
-		token->key.event_timeout = *(int *)data;
-		break;
-	case TK_RULE:
-	case TK_M_PARENTS_MIN:
-	case TK_M_PARENTS_MAX:
-	case TK_M_MAX:
-	case TK_END:
-	case TK_UNSET:
-		err(rule_tmp->rules->udev, "wrong type %u\n", type);
-		return -1;
-	}
-
-	if (value != NULL && type < TK_M_MAX) {
-		/* check if we need to split or call fnmatch() while matching rules */
-		enum string_glob_type glob;
-		int has_split;
-		int has_glob;
-
-		has_split = (strchr(value, '|') != NULL);
-		has_glob = (strchr(value, '*') != NULL || strchr(value, '?') != NULL || strchr(value, '[') != NULL);
-		if (has_split && has_glob) {
-			glob = GL_SPLIT_GLOB;
-		} else if (has_split) {
-			glob = GL_SPLIT;
-		} else if (has_glob) {
-			if (strcmp(value, "?*") == 0)
-				glob = GL_SOMETHING;
-			else
-				glob = GL_GLOB;
-		} else {
-			glob = GL_PLAIN;
-		}
-		token->key.glob = glob;
-	}
-
-	if (value != NULL && type > TK_M_MAX) {
-		/* check if assigned value has substitution chars */
-		if (value[0] == '[')
-			token->key.subst = SB_SUBSYS;
-		else if (strchr(value, '%') != NULL || strchr(value, '$') != NULL)
-			token->key.subst = SB_FORMAT;
-		else
-			token->key.subst = SB_NONE;
-	}
-
-	if (attr != NULL) {
-		/* check if property/attribut name has substitution chars */
-		if (attr[0] == '[')
-			token->key.attrsubst = SB_SUBSYS;
-		else if (strchr(attr, '%') != NULL || strchr(attr, '$') != NULL)
-			token->key.attrsubst = SB_FORMAT;
-		else
-			token->key.attrsubst = SB_NONE;
-	}
-
-	token->key.type = type;
-	token->key.op = op;
-	rule_tmp->token_cur++;
-	if (rule_tmp->token_cur >= ARRAY_SIZE(rule_tmp->token)) {
-		err(rule_tmp->rules->udev, "temporary rule array too small\n");
-		return -1;
-	}
-	return 0;
+        struct token *token = &rule_tmp->token[rule_tmp->token_cur];
+        const char *attr = NULL;
+
+        memset(token, 0x00, sizeof(struct token));
+
+        switch (type) {
+        case TK_M_ACTION:
+        case TK_M_DEVPATH:
+        case TK_M_KERNEL:
+        case TK_M_SUBSYSTEM:
+        case TK_M_DRIVER:
+        case TK_M_WAITFOR:
+        case TK_M_DEVLINK:
+        case TK_M_NAME:
+        case TK_M_KERNELS:
+        case TK_M_SUBSYSTEMS:
+        case TK_M_DRIVERS:
+        case TK_M_TAGS:
+        case TK_M_PROGRAM:
+        case TK_M_IMPORT_FILE:
+        case TK_M_IMPORT_PROG:
+        case TK_M_IMPORT_DB:
+        case TK_M_IMPORT_CMDLINE:
+        case TK_M_IMPORT_PARENT:
+        case TK_M_RESULT:
+        case TK_A_OWNER:
+        case TK_A_GROUP:
+        case TK_A_MODE:
+        case TK_A_NAME:
+        case TK_A_GOTO:
+        case TK_M_TAG:
+        case TK_A_TAG:
+                token->key.value_off = add_string(rule_tmp->rules, value);
+                break;
+        case TK_M_IMPORT_BUILTIN:
+                token->key.value_off = add_string(rule_tmp->rules, value);
+                token->key.builtin_cmd = *(enum udev_builtin_cmd *)data;
+                break;
+        case TK_M_ENV:
+        case TK_M_ATTR:
+        case TK_M_ATTRS:
+        case TK_A_ATTR:
+        case TK_A_ENV:
+                attr = data;
+                token->key.value_off = add_string(rule_tmp->rules, value);
+                token->key.attr_off = add_string(rule_tmp->rules, attr);
+                break;
+        case TK_A_DEVLINK:
+                token->key.value_off = add_string(rule_tmp->rules, value);
+                token->key.devlink_unique = *(int *)data;
+                break;
+        case TK_M_TEST:
+                token->key.value_off = add_string(rule_tmp->rules, value);
+                if (data != NULL)
+                        token->key.mode = *(mode_t *)data;
+                break;
+        case TK_A_STRING_ESCAPE_NONE:
+        case TK_A_STRING_ESCAPE_REPLACE:
+        case TK_A_DB_PERSIST:
+                break;
+        case TK_A_RUN:
+                token->key.value_off = add_string(rule_tmp->rules, value);
+                break;
+        case TK_A_INOTIFY_WATCH:
+        case TK_A_DEVLINK_PRIO:
+                token->key.devlink_prio = *(int *)data;
+                break;
+        case TK_A_OWNER_ID:
+                token->key.uid = *(uid_t *)data;
+                break;
+        case TK_A_GROUP_ID:
+                token->key.gid = *(gid_t *)data;
+                break;
+        case TK_A_MODE_ID:
+                token->key.mode = *(mode_t *)data;
+                break;
+        case TK_A_STATIC_NODE:
+                token->key.value_off = add_string(rule_tmp->rules, value);
+                break;
+        case TK_M_EVENT_TIMEOUT:
+                token->key.event_timeout = *(int *)data;
+                break;
+        case TK_RULE:
+        case TK_M_PARENTS_MIN:
+        case TK_M_PARENTS_MAX:
+        case TK_M_MAX:
+        case TK_END:
+        case TK_UNSET:
+                err(rule_tmp->rules->udev, "wrong type %u\n", type);
+                return -1;
+        }
+
+        if (value != NULL && type < TK_M_MAX) {
+                /* check if we need to split or call fnmatch() while matching rules */
+                enum string_glob_type glob;
+                int has_split;
+                int has_glob;
+
+                has_split = (strchr(value, '|') != NULL);
+                has_glob = (strchr(value, '*') != NULL || strchr(value, '?') != NULL || strchr(value, '[') != NULL);
+                if (has_split && has_glob) {
+                        glob = GL_SPLIT_GLOB;
+                } else if (has_split) {
+                        glob = GL_SPLIT;
+                } else if (has_glob) {
+                        if (strcmp(value, "?*") == 0)
+                                glob = GL_SOMETHING;
+                        else
+                                glob = GL_GLOB;
+                } else {
+                        glob = GL_PLAIN;
+                }
+                token->key.glob = glob;
+        }
+
+        if (value != NULL && type > TK_M_MAX) {
+                /* check if assigned value has substitution chars */
+                if (value[0] == '[')
+                        token->key.subst = SB_SUBSYS;
+                else if (strchr(value, '%') != NULL || strchr(value, '$') != NULL)
+                        token->key.subst = SB_FORMAT;
+                else
+                        token->key.subst = SB_NONE;
+        }
+
+        if (attr != NULL) {
+                /* check if property/attribut name has substitution chars */
+                if (attr[0] == '[')
+                        token->key.attrsubst = SB_SUBSYS;
+                else if (strchr(attr, '%') != NULL || strchr(attr, '$') != NULL)
+                        token->key.attrsubst = SB_FORMAT;
+                else
+                        token->key.attrsubst = SB_NONE;
+        }
+
+        token->key.type = type;
+        token->key.op = op;
+        rule_tmp->token_cur++;
+        if (rule_tmp->token_cur >= ARRAY_SIZE(rule_tmp->token)) {
+                err(rule_tmp->rules->udev, "temporary rule array too small\n");
+                return -1;
+        }
+        return 0;
 }
 
 static int sort_token(struct udev_rules *rules, struct rule_tmp *rule_tmp)
 {
-	unsigned int i;
-	unsigned int start = 0;
-	unsigned int end = rule_tmp->token_cur;
-
-	for (i = 0; i < rule_tmp->token_cur; i++) {
-		enum token_type next_val = TK_UNSET;
-		unsigned int next_idx = 0;
-		unsigned int j;
-
-		/* find smallest value */
-		for (j = start; j < end; j++) {
-			if (rule_tmp->token[j].type == TK_UNSET)
-				continue;
-			if (next_val == TK_UNSET || rule_tmp->token[j].type < next_val) {
-				next_val = rule_tmp->token[j].type;
-				next_idx = j;
-			}
-		}
-
-		/* add token and mark done */
-		if (add_token(rules, &rule_tmp->token[next_idx]) != 0)
-			return -1;
-		rule_tmp->token[next_idx].type = TK_UNSET;
-
-		/* shrink range */
-		if (next_idx == start)
-			start++;
-		if (next_idx+1 == end)
-			end--;
-	}
-	return 0;
+        unsigned int i;
+        unsigned int start = 0;
+        unsigned int end = rule_tmp->token_cur;
+
+        for (i = 0; i < rule_tmp->token_cur; i++) {
+                enum token_type next_val = TK_UNSET;
+                unsigned int next_idx = 0;
+                unsigned int j;
+
+                /* find smallest value */
+                for (j = start; j < end; j++) {
+                        if (rule_tmp->token[j].type == TK_UNSET)
+                                continue;
+                        if (next_val == TK_UNSET || rule_tmp->token[j].type < next_val) {
+                                next_val = rule_tmp->token[j].type;
+                                next_idx = j;
+                        }
+                }
+
+                /* add token and mark done */
+                if (add_token(rules, &rule_tmp->token[next_idx]) != 0)
+                        return -1;
+                rule_tmp->token[next_idx].type = TK_UNSET;
+
+                /* shrink range */
+                if (next_idx == start)
+                        start++;
+                if (next_idx+1 == end)
+                        end--;
+        }
+        return 0;
 }
 
 static int add_rule(struct udev_rules *rules, char *line,
-		    const char *filename, unsigned int filename_off, unsigned int lineno)
+                    const char *filename, unsigned int filename_off, unsigned int lineno)
 {
-	char *linepos;
-	char *attr;
-	struct rule_tmp rule_tmp;
-
-	memset(&rule_tmp, 0x00, sizeof(struct rule_tmp));
-	rule_tmp.rules = rules;
-	rule_tmp.rule.type = TK_RULE;
-	rule_tmp.rule.rule.filename_off = filename_off;
-	rule_tmp.rule.rule.filename_line = lineno;
-
-	linepos = line;
-	for (;;) {
-		char *key;
-		char *value;
-		enum operation_type op;
-
-		if (get_key(rules->udev, &linepos, &key, &op, &value) != 0)
-			break;
-
-		if (strcmp(key, "ACTION") == 0) {
-			if (op > OP_MATCH_MAX) {
-				err(rules->udev, "invalid ACTION operation\n");
-				goto invalid;
-			}
-			rule_add_key(&rule_tmp, TK_M_ACTION, op, value, NULL);
-			continue;
-		}
-
-		if (strcmp(key, "DEVPATH") == 0) {
-			if (op > OP_MATCH_MAX) {
-				err(rules->udev, "invalid DEVPATH operation\n");
-				goto invalid;
-			}
-			rule_add_key(&rule_tmp, TK_M_DEVPATH, op, value, NULL);
-			continue;
-		}
-
-		if (strcmp(key, "KERNEL") == 0) {
-			if (op > OP_MATCH_MAX) {
-				err(rules->udev, "invalid KERNEL operation\n");
-				goto invalid;
-			}
-			rule_add_key(&rule_tmp, TK_M_KERNEL, op, value, NULL);
-			continue;
-		}
-
-		if (strcmp(key, "SUBSYSTEM") == 0) {
-			if (op > OP_MATCH_MAX) {
-				err(rules->udev, "invalid SUBSYSTEM operation\n");
-				goto invalid;
-			}
-			/* bus, class, subsystem events should all be the same */
-			if (strcmp(value, "subsystem") == 0 ||
-			    strcmp(value, "bus") == 0 ||
-			    strcmp(value, "class") == 0) {
-				if (strcmp(value, "bus") == 0 || strcmp(value, "class") == 0)
-					err(rules->udev, "'%s' must be specified as 'subsystem' \n"
-					    "please fix it in %s:%u", value, filename, lineno);
-				rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, "subsystem|class|bus", NULL);
-			} else
-				rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, value, NULL);
-			continue;
-		}
-
-		if (strcmp(key, "DRIVER") == 0) {
-			if (op > OP_MATCH_MAX) {
-				err(rules->udev, "invalid DRIVER operation\n");
-				goto invalid;
-			}
-			rule_add_key(&rule_tmp, TK_M_DRIVER, op, value, NULL);
-			continue;
-		}
-
-		if (strncmp(key, "ATTR{", sizeof("ATTR{")-1) == 0) {
-			attr = get_key_attribute(rules->udev, key + sizeof("ATTR")-1);
-			if (attr == NULL) {
-				err(rules->udev, "error parsing ATTR attribute\n");
-				goto invalid;
-			}
-			if (op < OP_MATCH_MAX) {
-				rule_add_key(&rule_tmp, TK_M_ATTR, op, value, attr);
-			} else {
-				rule_add_key(&rule_tmp, TK_A_ATTR, op, value, attr);
-			}
-			continue;
-		}
-
-		if (strcmp(key, "KERNELS") == 0) {
-			if (op > OP_MATCH_MAX) {
-				err(rules->udev, "invalid KERNELS operation\n");
-				goto invalid;
-			}
-			rule_add_key(&rule_tmp, TK_M_KERNELS, op, value, NULL);
-			continue;
-		}
-
-		if (strcmp(key, "SUBSYSTEMS") == 0) {
-			if (op > OP_MATCH_MAX) {
-				err(rules->udev, "invalid SUBSYSTEMS operation\n");
-				goto invalid;
-			}
-			rule_add_key(&rule_tmp, TK_M_SUBSYSTEMS, op, value, NULL);
-			continue;
-		}
-
-		if (strcmp(key, "DRIVERS") == 0) {
-			if (op > OP_MATCH_MAX) {
-				err(rules->udev, "invalid DRIVERS operation\n");
-				goto invalid;
-			}
-			rule_add_key(&rule_tmp, TK_M_DRIVERS, op, value, NULL);
-			continue;
-		}
-
-		if (strncmp(key, "ATTRS{", sizeof("ATTRS{")-1) == 0) {
-			if (op > OP_MATCH_MAX) {
-				err(rules->udev, "invalid ATTRS operation\n");
-				goto invalid;
-			}
-			attr = get_key_attribute(rules->udev, key + sizeof("ATTRS")-1);
-			if (attr == NULL) {
-				err(rules->udev, "error parsing ATTRS attribute\n");
-				goto invalid;
-			}
-			if (strncmp(attr, "device/", 7) == 0)
-				err(rules->udev, "the 'device' link may not be available in a future kernel, "
-				    "please fix it in %s:%u", filename, lineno);
-			else if (strstr(attr, "../") != NULL)
-				err(rules->udev, "do not reference parent sysfs directories directly, "
-				    "it may break with a future kernel, please fix it in %s:%u", filename, lineno);
-			rule_add_key(&rule_tmp, TK_M_ATTRS, op, value, attr);
-			continue;
-		}
-
-		if (strcmp(key, "TAGS") == 0) {
-			if (op > OP_MATCH_MAX) {
-				err(rules->udev, "invalid TAGS operation\n");
-				goto invalid;
-			}
-			rule_add_key(&rule_tmp, TK_M_TAGS, op, value, NULL);
-			continue;
-		}
-
-		if (strncmp(key, "ENV{", sizeof("ENV{")-1) == 0) {
-			attr = get_key_attribute(rules->udev, key + sizeof("ENV")-1);
-			if (attr == NULL) {
-				err(rules->udev, "error parsing ENV attribute\n");
-				goto invalid;
-			}
-			if (op < OP_MATCH_MAX) {
-				if (rule_add_key(&rule_tmp, TK_M_ENV, op, value, attr) != 0)
-					goto invalid;
-			} else {
-				static const char *blacklist[] = {
-					"ACTION",
-					"SUBSYSTEM",
-					"DEVTYPE",
-					"MAJOR",
-					"MINOR",
-					"DRIVER",
-					"IFINDEX",
-					"DEVNAME",
-					"DEVLINKS",
-					"DEVPATH",
-					"TAGS",
-				};
-				unsigned int i;
-
-				for (i = 0; i < ARRAY_SIZE(blacklist); i++)
-					if (strcmp(attr, blacklist[i]) == 0) {
-						err(rules->udev, "invalid ENV attribute, '%s' can not be set %s:%u\n", attr, filename, lineno);
-						continue;
-					}
-				if (rule_add_key(&rule_tmp, TK_A_ENV, op, value, attr) != 0)
-					goto invalid;
-			}
-			continue;
-		}
-
-		if (strcmp(key, "TAG") == 0) {
-			if (op < OP_MATCH_MAX)
-				rule_add_key(&rule_tmp, TK_M_TAG, op, value, NULL);
-			else
-				rule_add_key(&rule_tmp, TK_A_TAG, op, value, NULL);
-			continue;
-		}
-
-		if (strcmp(key, "PROGRAM") == 0) {
-			rule_add_key(&rule_tmp, TK_M_PROGRAM, op, value, NULL);
-			continue;
-		}
-
-		if (strcmp(key, "RESULT") == 0) {
-			if (op > OP_MATCH_MAX) {
-				err(rules->udev, "invalid RESULT operation\n");
-				goto invalid;
-			}
-			rule_add_key(&rule_tmp, TK_M_RESULT, op, value, NULL);
-			continue;
-		}
-
-		if (strncmp(key, "IMPORT", sizeof("IMPORT")-1) == 0) {
-			attr = get_key_attribute(rules->udev, key + sizeof("IMPORT")-1);
-			if (attr == NULL) {
-				err(rules->udev, "IMPORT{} type missing, ignoring IMPORT %s:%u\n", filename, lineno);
-				continue;
-			}
-			if (strstr(attr, "program")) {
-				/* find known built-in command */
-				if (value[0] != '/') {
-					enum udev_builtin_cmd cmd;
-
-					cmd = udev_builtin_lookup(value);
-					if (cmd < UDEV_BUILTIN_MAX) {
-						info(rules->udev, "IMPORT found builtin '%s', replacing %s:%u\n",
-						     value, filename, lineno);
-						rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
-						continue;
-					}
-				}
-				dbg(rules->udev, "IMPORT will be executed\n");
-				rule_add_key(&rule_tmp, TK_M_IMPORT_PROG, op, value, NULL);
-			} else if (strstr(attr, "builtin")) {
-				enum udev_builtin_cmd cmd = udev_builtin_lookup(value);
-
-				dbg(rules->udev, "IMPORT execute builtin\n");
-				if (cmd < UDEV_BUILTIN_MAX)
-					rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
-				else
-					err(rules->udev, "IMPORT{builtin}: '%s' unknown %s:%u\n", value, filename, lineno);
-			} else if (strstr(attr, "file")) {
-				dbg(rules->udev, "IMPORT will be included as file\n");
-				rule_add_key(&rule_tmp, TK_M_IMPORT_FILE, op, value, NULL);
-			} else if (strstr(attr, "db")) {
-				dbg(rules->udev, "IMPORT will include db values\n");
-				rule_add_key(&rule_tmp, TK_M_IMPORT_DB, op, value, NULL);
-			} else if (strstr(attr, "cmdline")) {
-				dbg(rules->udev, "IMPORT will include db values\n");
-				rule_add_key(&rule_tmp, TK_M_IMPORT_CMDLINE, op, value, NULL);
-			} else if (strstr(attr, "parent")) {
-				dbg(rules->udev, "IMPORT will include the parent values\n");
-				rule_add_key(&rule_tmp, TK_M_IMPORT_PARENT, op, value, NULL);
-			}
-			continue;
-		}
-
-		if (strncmp(key, "TEST", sizeof("TEST")-1) == 0) {
-			mode_t mode = 0;
-
-			if (op > OP_MATCH_MAX) {
-				err(rules->udev, "invalid TEST operation\n");
-				goto invalid;
-			}
-			attr = get_key_attribute(rules->udev, key + sizeof("TEST")-1);
-			if (attr != NULL) {
-				mode = strtol(attr, NULL, 8);
-				rule_add_key(&rule_tmp, TK_M_TEST, op, value, &mode);
-			} else {
-				rule_add_key(&rule_tmp, TK_M_TEST, op, value, NULL);
-			}
-			continue;
-		}
-
-		if (strcmp(key, "RUN") == 0) {
-			rule_add_key(&rule_tmp, TK_A_RUN, op, value, NULL);
-			continue;
-		}
-
-		if (strcmp(key, "WAIT_FOR") == 0 || strcmp(key, "WAIT_FOR_SYSFS") == 0) {
-			rule_add_key(&rule_tmp, TK_M_WAITFOR, 0, value, NULL);
-			continue;
-		}
-
-		if (strcmp(key, "LABEL") == 0) {
-			rule_tmp.rule.rule.label_off = add_string(rules, value);
-			continue;
-		}
-
-		if (strcmp(key, "GOTO") == 0) {
-			rule_add_key(&rule_tmp, TK_A_GOTO, 0, value, NULL);
-			continue;
-		}
-
-		if (strncmp(key, "NAME", sizeof("NAME")-1) == 0) {
-			if (op < OP_MATCH_MAX) {
-				rule_add_key(&rule_tmp, TK_M_NAME, op, value, NULL);
-			} else {
-				if (strcmp(value, "%k") == 0) {
-					err(rules->udev, "NAME=\"%%k\" is ignored, because it breaks kernel supplied names, "
-					    "please remove it from %s:%u\n", filename, lineno);
-					continue;
-				}
-				if (value[0] == '\0') {
-					info(rules->udev, "NAME=\"\" is ignored, because udev will not delete any device nodes, "
-					     "please remove it from %s:%u\n", filename, lineno);
-					continue;
-				}
-				rule_add_key(&rule_tmp, TK_A_NAME, op, value, NULL);
-			}
-			rule_tmp.rule.rule.can_set_name = true;
-			continue;
-		}
-
-		if (strncmp(key, "SYMLINK", sizeof("SYMLINK")-1) == 0) {
-			if (op < OP_MATCH_MAX) {
-				rule_add_key(&rule_tmp, TK_M_DEVLINK, op, value, NULL);
-			} else {
-				int flag = 0;
-
-				attr = get_key_attribute(rules->udev, key + sizeof("SYMLINK")-1);
-				if (attr != NULL && strstr(attr, "unique") != NULL)
-					flag = 1;
-				rule_add_key(&rule_tmp, TK_A_DEVLINK, op, value, &flag);
-			}
-			rule_tmp.rule.rule.can_set_name = true;
-			continue;
-		}
-
-		if (strcmp(key, "OWNER") == 0) {
-			uid_t uid;
-			char *endptr;
-
-			uid = strtoul(value, &endptr, 10);
-			if (endptr[0] == '\0') {
-				rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid);
-			} else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
-				uid = add_uid(rules, value);
-				rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid);
-			} else if (rules->resolve_names >= 0) {
-				rule_add_key(&rule_tmp, TK_A_OWNER, op, value, NULL);
-			}
-			rule_tmp.rule.rule.can_set_name = true;
-			continue;
-		}
-
-		if (strcmp(key, "GROUP") == 0) {
-			gid_t gid;
-			char *endptr;
-
-			gid = strtoul(value, &endptr, 10);
-			if (endptr[0] == '\0') {
-				rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid);
-			} else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
-				gid = add_gid(rules, value);
-				rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid);
-			} else if (rules->resolve_names >= 0) {
-				rule_add_key(&rule_tmp, TK_A_GROUP, op, value, NULL);
-			}
-			rule_tmp.rule.rule.can_set_name = true;
-			continue;
-		}
-
-		if (strcmp(key, "MODE") == 0) {
-			mode_t mode;
-			char *endptr;
-
-			mode = strtol(value, &endptr, 8);
-			if (endptr[0] == '\0')
-				rule_add_key(&rule_tmp, TK_A_MODE_ID, op, NULL, &mode);
-			else
-				rule_add_key(&rule_tmp, TK_A_MODE, op, value, NULL);
-			rule_tmp.rule.rule.can_set_name = true;
-			continue;
-		}
-
-		if (strcmp(key, "OPTIONS") == 0) {
-			const char *pos;
-
-			pos = strstr(value, "link_priority=");
-			if (pos != NULL) {
-				int prio = atoi(&pos[strlen("link_priority=")]);
-
-				rule_add_key(&rule_tmp, TK_A_DEVLINK_PRIO, op, NULL, &prio);
-				dbg(rules->udev, "link priority=%i\n", prio);
-			}
-
-			pos = strstr(value, "event_timeout=");
-			if (pos != NULL) {
-				int tout = atoi(&pos[strlen("event_timeout=")]);
-
-				rule_add_key(&rule_tmp, TK_M_EVENT_TIMEOUT, op, NULL, &tout);
-				dbg(rules->udev, "event timeout=%i\n", tout);
-			}
-
-			pos = strstr(value, "string_escape=");
-			if (pos != NULL) {
-				pos = &pos[strlen("string_escape=")];
-				if (strncmp(pos, "none", strlen("none")) == 0)
-					rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_NONE, op, NULL, NULL);
-				else if (strncmp(pos, "replace", strlen("replace")) == 0)
-					rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_REPLACE, op, NULL, NULL);
-			}
-
-			pos = strstr(value, "db_persist");
-			if (pos != NULL)
-				rule_add_key(&rule_tmp, TK_A_DB_PERSIST, op, NULL, NULL);
-
-			pos = strstr(value, "nowatch");
-			if (pos != NULL) {
-				const int off = 0;
-
-				rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &off);
-				dbg(rules->udev, "inotify watch of device disabled\n");
-			} else {
-				pos = strstr(value, "watch");
-				if (pos != NULL) {
-					const int on = 1;
-
-					rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &on);
-					dbg(rules->udev, "inotify watch of device requested\n");
-				}
-			}
-
-			pos = strstr(value, "static_node=");
-			if (pos != NULL) {
-				rule_add_key(&rule_tmp, TK_A_STATIC_NODE, op, &pos[strlen("static_node=")], NULL);
-				rule_tmp.rule.rule.has_static_node = true;
-			}
-
-			continue;
-		}
-
-		err(rules->udev, "unknown key '%s' in %s:%u\n", key, filename, lineno);
-		goto invalid;
-	}
-
-	/* add rule token */
-	rule_tmp.rule.rule.token_count = 1 + rule_tmp.token_cur;
-	if (add_token(rules, &rule_tmp.rule) != 0)
-		goto invalid;
-
-	/* add tokens to list, sorted by type */
-	if (sort_token(rules, &rule_tmp) != 0)
-		goto invalid;
-
-	return 0;
+        char *linepos;
+        char *attr;
+        struct rule_tmp rule_tmp;
+
+        memset(&rule_tmp, 0x00, sizeof(struct rule_tmp));
+        rule_tmp.rules = rules;
+        rule_tmp.rule.type = TK_RULE;
+        rule_tmp.rule.rule.filename_off = filename_off;
+        rule_tmp.rule.rule.filename_line = lineno;
+
+        linepos = line;
+        for (;;) {
+                char *key;
+                char *value;
+                enum operation_type op;
+
+                if (get_key(rules->udev, &linepos, &key, &op, &value) != 0)
+                        break;
+
+                if (strcmp(key, "ACTION") == 0) {
+                        if (op > OP_MATCH_MAX) {
+                                err(rules->udev, "invalid ACTION operation\n");
+                                goto invalid;
+                        }
+                        rule_add_key(&rule_tmp, TK_M_ACTION, op, value, NULL);
+                        continue;
+                }
+
+                if (strcmp(key, "DEVPATH") == 0) {
+                        if (op > OP_MATCH_MAX) {
+                                err(rules->udev, "invalid DEVPATH operation\n");
+                                goto invalid;
+                        }
+                        rule_add_key(&rule_tmp, TK_M_DEVPATH, op, value, NULL);
+                        continue;
+                }
+
+                if (strcmp(key, "KERNEL") == 0) {
+                        if (op > OP_MATCH_MAX) {
+                                err(rules->udev, "invalid KERNEL operation\n");
+                                goto invalid;
+                        }
+                        rule_add_key(&rule_tmp, TK_M_KERNEL, op, value, NULL);
+                        continue;
+                }
+
+                if (strcmp(key, "SUBSYSTEM") == 0) {
+                        if (op > OP_MATCH_MAX) {
+                                err(rules->udev, "invalid SUBSYSTEM operation\n");
+                                goto invalid;
+                        }
+                        /* bus, class, subsystem events should all be the same */
+                        if (strcmp(value, "subsystem") == 0 ||
+                            strcmp(value, "bus") == 0 ||
+                            strcmp(value, "class") == 0) {
+                                if (strcmp(value, "bus") == 0 || strcmp(value, "class") == 0)
+                                        err(rules->udev, "'%s' must be specified as 'subsystem' \n"
+                                            "please fix it in %s:%u", value, filename, lineno);
+                                rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, "subsystem|class|bus", NULL);
+                        } else
+                                rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, value, NULL);
+                        continue;
+                }
+
+                if (strcmp(key, "DRIVER") == 0) {
+                        if (op > OP_MATCH_MAX) {
+                                err(rules->udev, "invalid DRIVER operation\n");
+                                goto invalid;
+                        }
+                        rule_add_key(&rule_tmp, TK_M_DRIVER, op, value, NULL);
+                        continue;
+                }
+
+                if (strncmp(key, "ATTR{", sizeof("ATTR{")-1) == 0) {
+                        attr = get_key_attribute(rules->udev, key + sizeof("ATTR")-1);
+                        if (attr == NULL) {
+                                err(rules->udev, "error parsing ATTR attribute\n");
+                                goto invalid;
+                        }
+                        if (op < OP_MATCH_MAX) {
+                                rule_add_key(&rule_tmp, TK_M_ATTR, op, value, attr);
+                        } else {
+                                rule_add_key(&rule_tmp, TK_A_ATTR, op, value, attr);
+                        }
+                        continue;
+                }
+
+                if (strcmp(key, "KERNELS") == 0) {
+                        if (op > OP_MATCH_MAX) {
+                                err(rules->udev, "invalid KERNELS operation\n");
+                                goto invalid;
+                        }
+                        rule_add_key(&rule_tmp, TK_M_KERNELS, op, value, NULL);
+                        continue;
+                }
+
+                if (strcmp(key, "SUBSYSTEMS") == 0) {
+                        if (op > OP_MATCH_MAX) {
+                                err(rules->udev, "invalid SUBSYSTEMS operation\n");
+                                goto invalid;
+                        }
+                        rule_add_key(&rule_tmp, TK_M_SUBSYSTEMS, op, value, NULL);
+                        continue;
+                }
+
+                if (strcmp(key, "DRIVERS") == 0) {
+                        if (op > OP_MATCH_MAX) {
+                                err(rules->udev, "invalid DRIVERS operation\n");
+                                goto invalid;
+                        }
+                        rule_add_key(&rule_tmp, TK_M_DRIVERS, op, value, NULL);
+                        continue;
+                }
+
+                if (strncmp(key, "ATTRS{", sizeof("ATTRS{")-1) == 0) {
+                        if (op > OP_MATCH_MAX) {
+                                err(rules->udev, "invalid ATTRS operation\n");
+                                goto invalid;
+                        }
+                        attr = get_key_attribute(rules->udev, key + sizeof("ATTRS")-1);
+                        if (attr == NULL) {
+                                err(rules->udev, "error parsing ATTRS attribute\n");
+                                goto invalid;
+                        }
+                        if (strncmp(attr, "device/", 7) == 0)
+                                err(rules->udev, "the 'device' link may not be available in a future kernel, "
+                                    "please fix it in %s:%u", filename, lineno);
+                        else if (strstr(attr, "../") != NULL)
+                                err(rules->udev, "do not reference parent sysfs directories directly, "
+                                    "it may break with a future kernel, please fix it in %s:%u", filename, lineno);
+                        rule_add_key(&rule_tmp, TK_M_ATTRS, op, value, attr);
+                        continue;
+                }
+
+                if (strcmp(key, "TAGS") == 0) {
+                        if (op > OP_MATCH_MAX) {
+                                err(rules->udev, "invalid TAGS operation\n");
+                                goto invalid;
+                        }
+                        rule_add_key(&rule_tmp, TK_M_TAGS, op, value, NULL);
+                        continue;
+                }
+
+                if (strncmp(key, "ENV{", sizeof("ENV{")-1) == 0) {
+                        attr = get_key_attribute(rules->udev, key + sizeof("ENV")-1);
+                        if (attr == NULL) {
+                                err(rules->udev, "error parsing ENV attribute\n");
+                                goto invalid;
+                        }
+                        if (op < OP_MATCH_MAX) {
+                                if (rule_add_key(&rule_tmp, TK_M_ENV, op, value, attr) != 0)
+                                        goto invalid;
+                        } else {
+                                static const char *blacklist[] = {
+                                        "ACTION",
+                                        "SUBSYSTEM",
+                                        "DEVTYPE",
+                                        "MAJOR",
+                                        "MINOR",
+                                        "DRIVER",
+                                        "IFINDEX",
+                                        "DEVNAME",
+                                        "DEVLINKS",
+                                        "DEVPATH",
+                                        "TAGS",
+                                };
+                                unsigned int i;
+
+                                for (i = 0; i < ARRAY_SIZE(blacklist); i++)
+                                        if (strcmp(attr, blacklist[i]) == 0) {
+                                                err(rules->udev, "invalid ENV attribute, '%s' can not be set %s:%u\n", attr, filename, lineno);
+                                                continue;
+                                        }
+                                if (rule_add_key(&rule_tmp, TK_A_ENV, op, value, attr) != 0)
+                                        goto invalid;
+                        }
+                        continue;
+                }
+
+                if (strcmp(key, "TAG") == 0) {
+                        if (op < OP_MATCH_MAX)
+                                rule_add_key(&rule_tmp, TK_M_TAG, op, value, NULL);
+                        else
+                                rule_add_key(&rule_tmp, TK_A_TAG, op, value, NULL);
+                        continue;
+                }
+
+                if (strcmp(key, "PROGRAM") == 0) {
+                        rule_add_key(&rule_tmp, TK_M_PROGRAM, op, value, NULL);
+                        continue;
+                }
+
+                if (strcmp(key, "RESULT") == 0) {
+                        if (op > OP_MATCH_MAX) {
+                                err(rules->udev, "invalid RESULT operation\n");
+                                goto invalid;
+                        }
+                        rule_add_key(&rule_tmp, TK_M_RESULT, op, value, NULL);
+                        continue;
+                }
+
+                if (strncmp(key, "IMPORT", sizeof("IMPORT")-1) == 0) {
+                        attr = get_key_attribute(rules->udev, key + sizeof("IMPORT")-1);
+                        if (attr == NULL) {
+                                err(rules->udev, "IMPORT{} type missing, ignoring IMPORT %s:%u\n", filename, lineno);
+                                continue;
+                        }
+                        if (strstr(attr, "program")) {
+                                /* find known built-in command */
+                                if (value[0] != '/') {
+                                        enum udev_builtin_cmd cmd;
+
+                                        cmd = udev_builtin_lookup(value);
+                                        if (cmd < UDEV_BUILTIN_MAX) {
+                                                info(rules->udev, "IMPORT found builtin '%s', replacing %s:%u\n",
+                                                     value, filename, lineno);
+                                                rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
+                                                continue;
+                                        }
+                                }
+                                dbg(rules->udev, "IMPORT will be executed\n");
+                                rule_add_key(&rule_tmp, TK_M_IMPORT_PROG, op, value, NULL);
+                        } else if (strstr(attr, "builtin")) {
+                                enum udev_builtin_cmd cmd = udev_builtin_lookup(value);
+
+                                dbg(rules->udev, "IMPORT execute builtin\n");
+                                if (cmd < UDEV_BUILTIN_MAX)
+                                        rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
+                                else
+                                        err(rules->udev, "IMPORT{builtin}: '%s' unknown %s:%u\n", value, filename, lineno);
+                        } else if (strstr(attr, "file")) {
+                                dbg(rules->udev, "IMPORT will be included as file\n");
+                                rule_add_key(&rule_tmp, TK_M_IMPORT_FILE, op, value, NULL);
+                        } else if (strstr(attr, "db")) {
+                                dbg(rules->udev, "IMPORT will include db values\n");
+                                rule_add_key(&rule_tmp, TK_M_IMPORT_DB, op, value, NULL);
+                        } else if (strstr(attr, "cmdline")) {
+                                dbg(rules->udev, "IMPORT will include db values\n");
+                                rule_add_key(&rule_tmp, TK_M_IMPORT_CMDLINE, op, value, NULL);
+                        } else if (strstr(attr, "parent")) {
+                                dbg(rules->udev, "IMPORT will include the parent values\n");
+                                rule_add_key(&rule_tmp, TK_M_IMPORT_PARENT, op, value, NULL);
+                        }
+                        continue;
+                }
+
+                if (strncmp(key, "TEST", sizeof("TEST")-1) == 0) {
+                        mode_t mode = 0;
+
+                        if (op > OP_MATCH_MAX) {
+                                err(rules->udev, "invalid TEST operation\n");
+                                goto invalid;
+                        }
+                        attr = get_key_attribute(rules->udev, key + sizeof("TEST")-1);
+                        if (attr != NULL) {
+                                mode = strtol(attr, NULL, 8);
+                                rule_add_key(&rule_tmp, TK_M_TEST, op, value, &mode);
+                        } else {
+                                rule_add_key(&rule_tmp, TK_M_TEST, op, value, NULL);
+                        }
+                        continue;
+                }
+
+                if (strcmp(key, "RUN") == 0) {
+                        rule_add_key(&rule_tmp, TK_A_RUN, op, value, NULL);
+                        continue;
+                }
+
+                if (strcmp(key, "WAIT_FOR") == 0 || strcmp(key, "WAIT_FOR_SYSFS") == 0) {
+                        rule_add_key(&rule_tmp, TK_M_WAITFOR, 0, value, NULL);
+                        continue;
+                }
+
+                if (strcmp(key, "LABEL") == 0) {
+                        rule_tmp.rule.rule.label_off = add_string(rules, value);
+                        continue;
+                }
+
+                if (strcmp(key, "GOTO") == 0) {
+                        rule_add_key(&rule_tmp, TK_A_GOTO, 0, value, NULL);
+                        continue;
+                }
+
+                if (strncmp(key, "NAME", sizeof("NAME")-1) == 0) {
+                        if (op < OP_MATCH_MAX) {
+                                rule_add_key(&rule_tmp, TK_M_NAME, op, value, NULL);
+                        } else {
+                                if (strcmp(value, "%k") == 0) {
+                                        err(rules->udev, "NAME=\"%%k\" is ignored, because it breaks kernel supplied names, "
+                                            "please remove it from %s:%u\n", filename, lineno);
+                                        continue;
+                                }
+                                if (value[0] == '\0') {
+                                        info(rules->udev, "NAME=\"\" is ignored, because udev will not delete any device nodes, "
+                                             "please remove it from %s:%u\n", filename, lineno);
+                                        continue;
+                                }
+                                rule_add_key(&rule_tmp, TK_A_NAME, op, value, NULL);
+                        }
+                        rule_tmp.rule.rule.can_set_name = true;
+                        continue;
+                }
+
+                if (strncmp(key, "SYMLINK", sizeof("SYMLINK")-1) == 0) {
+                        if (op < OP_MATCH_MAX) {
+                                rule_add_key(&rule_tmp, TK_M_DEVLINK, op, value, NULL);
+                        } else {
+                                int flag = 0;
+
+                                attr = get_key_attribute(rules->udev, key + sizeof("SYMLINK")-1);
+                                if (attr != NULL && strstr(attr, "unique") != NULL)
+                                        flag = 1;
+                                rule_add_key(&rule_tmp, TK_A_DEVLINK, op, value, &flag);
+                        }
+                        rule_tmp.rule.rule.can_set_name = true;
+                        continue;
+                }
+
+                if (strcmp(key, "OWNER") == 0) {
+                        uid_t uid;
+                        char *endptr;
+
+                        uid = strtoul(value, &endptr, 10);
+                        if (endptr[0] == '\0') {
+                                rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid);
+                        } else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
+                                uid = add_uid(rules, value);
+                                rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid);
+                        } else if (rules->resolve_names >= 0) {
+                                rule_add_key(&rule_tmp, TK_A_OWNER, op, value, NULL);
+                        }
+                        rule_tmp.rule.rule.can_set_name = true;
+                        continue;
+                }
+
+                if (strcmp(key, "GROUP") == 0) {
+                        gid_t gid;
+                        char *endptr;
+
+                        gid = strtoul(value, &endptr, 10);
+                        if (endptr[0] == '\0') {
+                                rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid);
+                        } else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
+                                gid = add_gid(rules, value);
+                                rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid);
+                        } else if (rules->resolve_names >= 0) {
+                                rule_add_key(&rule_tmp, TK_A_GROUP, op, value, NULL);
+                        }
+                        rule_tmp.rule.rule.can_set_name = true;
+                        continue;
+                }
+
+                if (strcmp(key, "MODE") == 0) {
+                        mode_t mode;
+                        char *endptr;
+
+                        mode = strtol(value, &endptr, 8);
+                        if (endptr[0] == '\0')
+                                rule_add_key(&rule_tmp, TK_A_MODE_ID, op, NULL, &mode);
+                        else
+                                rule_add_key(&rule_tmp, TK_A_MODE, op, value, NULL);
+                        rule_tmp.rule.rule.can_set_name = true;
+                        continue;
+                }
+
+                if (strcmp(key, "OPTIONS") == 0) {
+                        const char *pos;
+
+                        pos = strstr(value, "link_priority=");
+                        if (pos != NULL) {
+                                int prio = atoi(&pos[strlen("link_priority=")]);
+
+                                rule_add_key(&rule_tmp, TK_A_DEVLINK_PRIO, op, NULL, &prio);
+                                dbg(rules->udev, "link priority=%i\n", prio);
+                        }
+
+                        pos = strstr(value, "event_timeout=");
+                        if (pos != NULL) {
+                                int tout = atoi(&pos[strlen("event_timeout=")]);
+
+                                rule_add_key(&rule_tmp, TK_M_EVENT_TIMEOUT, op, NULL, &tout);
+                                dbg(rules->udev, "event timeout=%i\n", tout);
+                        }
+
+                        pos = strstr(value, "string_escape=");
+                        if (pos != NULL) {
+                                pos = &pos[strlen("string_escape=")];
+                                if (strncmp(pos, "none", strlen("none")) == 0)
+                                        rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_NONE, op, NULL, NULL);
+                                else if (strncmp(pos, "replace", strlen("replace")) == 0)
+                                        rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_REPLACE, op, NULL, NULL);
+                        }
+
+                        pos = strstr(value, "db_persist");
+                        if (pos != NULL)
+                                rule_add_key(&rule_tmp, TK_A_DB_PERSIST, op, NULL, NULL);
+
+                        pos = strstr(value, "nowatch");
+                        if (pos != NULL) {
+                                const int off = 0;
+
+                                rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &off);
+                                dbg(rules->udev, "inotify watch of device disabled\n");
+                        } else {
+                                pos = strstr(value, "watch");
+                                if (pos != NULL) {
+                                        const int on = 1;
+
+                                        rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &on);
+                                        dbg(rules->udev, "inotify watch of device requested\n");
+                                }
+                        }
+
+                        pos = strstr(value, "static_node=");
+                        if (pos != NULL) {
+                                rule_add_key(&rule_tmp, TK_A_STATIC_NODE, op, &pos[strlen("static_node=")], NULL);
+                                rule_tmp.rule.rule.has_static_node = true;
+                        }
+
+                        continue;
+                }
+
+                err(rules->udev, "unknown key '%s' in %s:%u\n", key, filename, lineno);
+                goto invalid;
+        }
+
+        /* add rule token */
+        rule_tmp.rule.rule.token_count = 1 + rule_tmp.token_cur;
+        if (add_token(rules, &rule_tmp.rule) != 0)
+                goto invalid;
+
+        /* add tokens to list, sorted by type */
+        if (sort_token(rules, &rule_tmp) != 0)
+                goto invalid;
+
+        return 0;
 invalid:
-	err(rules->udev, "invalid rule '%s:%u'\n", filename, lineno);
-	return -1;
+        err(rules->udev, "invalid rule '%s:%u'\n", filename, lineno);
+        return -1;
 }
 
 static int parse_file(struct udev_rules *rules, const char *filename, unsigned short filename_off)
 {
-	FILE *f;
-	unsigned int first_token;
-	char line[UTIL_LINE_SIZE];
-	int line_nr = 0;
-	unsigned int i;
-
-	info(rules->udev, "reading '%s' as rules file\n", filename);
-
-	f = fopen(filename, "r");
-	if (f == NULL)
-		return -1;
-
-	first_token = rules->token_cur;
-
-	while (fgets(line, sizeof(line), f) != NULL) {
-		char *key;
-		size_t len;
-
-		/* skip whitespace */
-		line_nr++;
-		key = line;
-		while (isspace(key[0]))
-			key++;
-
-		/* comment */
-		if (key[0] == '#')
-			continue;
-
-		len = strlen(line);
-		if (len < 3)
-			continue;
-
-		/* continue reading if backslash+newline is found */
-		while (line[len-2] == '\\') {
-			if (fgets(&line[len-2], (sizeof(line)-len)+2, f) == NULL)
-				break;
-			if (strlen(&line[len-2]) < 2)
-				break;
-			line_nr++;
-			len = strlen(line);
-		}
-
-		if (len+1 >= sizeof(line)) {
-			err(rules->udev, "line too long '%s':%u, ignored\n", filename, line_nr);
-			continue;
-		}
-		add_rule(rules, key, filename, filename_off, line_nr);
-	}
-	fclose(f);
-
-	/* link GOTOs to LABEL rules in this file to be able to fast-forward */
-	for (i = first_token+1; i < rules->token_cur; i++) {
-		if (rules->tokens[i].type == TK_A_GOTO) {
-			char *label = &rules->buf[rules->tokens[i].key.value_off];
-			unsigned int j;
-
-			for (j = i+1; j < rules->token_cur; j++) {
-				if (rules->tokens[j].type != TK_RULE)
-					continue;
-				if (rules->tokens[j].rule.label_off == 0)
-					continue;
-				if (strcmp(label, &rules->buf[rules->tokens[j].rule.label_off]) != 0)
-					continue;
-				rules->tokens[i].key.rule_goto = j;
-				break;
-			}
-			if (rules->tokens[i].key.rule_goto == 0)
-				err(rules->udev, "GOTO '%s' has no matching label in: '%s'\n", label, filename);
-		}
-	}
-	return 0;
+        FILE *f;
+        unsigned int first_token;
+        char line[UTIL_LINE_SIZE];
+        int line_nr = 0;
+        unsigned int i;
+
+        info(rules->udev, "reading '%s' as rules file\n", filename);
+
+        f = fopen(filename, "r");
+        if (f == NULL)
+                return -1;
+
+        first_token = rules->token_cur;
+
+        while (fgets(line, sizeof(line), f) != NULL) {
+                char *key;
+                size_t len;
+
+                /* skip whitespace */
+                line_nr++;
+                key = line;
+                while (isspace(key[0]))
+                        key++;
+
+                /* comment */
+                if (key[0] == '#')
+                        continue;
+
+                len = strlen(line);
+                if (len < 3)
+                        continue;
+
+                /* continue reading if backslash+newline is found */
+                while (line[len-2] == '\\') {
+                        if (fgets(&line[len-2], (sizeof(line)-len)+2, f) == NULL)
+                                break;
+                        if (strlen(&line[len-2]) < 2)
+                                break;
+                        line_nr++;
+                        len = strlen(line);
+                }
+
+                if (len+1 >= sizeof(line)) {
+                        err(rules->udev, "line too long '%s':%u, ignored\n", filename, line_nr);
+                        continue;
+                }
+                add_rule(rules, key, filename, filename_off, line_nr);
+        }
+        fclose(f);
+
+        /* link GOTOs to LABEL rules in this file to be able to fast-forward */
+        for (i = first_token+1; i < rules->token_cur; i++) {
+                if (rules->tokens[i].type == TK_A_GOTO) {
+                        char *label = &rules->buf[rules->tokens[i].key.value_off];
+                        unsigned int j;
+
+                        for (j = i+1; j < rules->token_cur; j++) {
+                                if (rules->tokens[j].type != TK_RULE)
+                                        continue;
+                                if (rules->tokens[j].rule.label_off == 0)
+                                        continue;
+                                if (strcmp(label, &rules->buf[rules->tokens[j].rule.label_off]) != 0)
+                                        continue;
+                                rules->tokens[i].key.rule_goto = j;
+                                break;
+                        }
+                        if (rules->tokens[i].key.rule_goto == 0)
+                                err(rules->udev, "GOTO '%s' has no matching label in: '%s'\n", label, filename);
+                }
+        }
+        return 0;
 }
 
 static int add_matching_files(struct udev *udev, struct udev_list *file_list, const char *dirname, const char *suffix)
 {
-	DIR *dir;
-	struct dirent *dent;
-	char filename[UTIL_PATH_SIZE];
-
-	dbg(udev, "open directory '%s'\n", dirname);
-	dir = opendir(dirname);
-	if (dir == NULL) {
-		info(udev, "unable to open '%s': %m\n", dirname);
-		return -1;
-	}
-
-	for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-		if (dent->d_name[0] == '.')
-			continue;
-
-		/* look for file matching with specified suffix */
-		if (suffix != NULL) {
-			const char *ext;
-
-			ext = strrchr(dent->d_name, '.');
-			if (ext == NULL)
-				continue;
-			if (strcmp(ext, suffix) != 0)
-				continue;
-		}
-		util_strscpyl(filename, sizeof(filename), dirname, "/", dent->d_name, NULL);
-		dbg(udev, "put file '%s' into list\n", filename);
-		/*
-		 * the basename is the key, the filename the value
-		 * identical basenames from different directories overwrite each other
-		 * entries are sorted after basename
-		 */
-		udev_list_entry_add(file_list, dent->d_name, filename);
-	}
-
-	closedir(dir);
-	return 0;
+        DIR *dir;
+        struct dirent *dent;
+        char filename[UTIL_PATH_SIZE];
+
+        dbg(udev, "open directory '%s'\n", dirname);
+        dir = opendir(dirname);
+        if (dir == NULL) {
+                info(udev, "unable to open '%s': %m\n", dirname);
+                return -1;
+        }
+
+        for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
+                if (dent->d_name[0] == '.')
+                        continue;
+
+                /* look for file matching with specified suffix */
+                if (suffix != NULL) {
+                        const char *ext;
+
+                        ext = strrchr(dent->d_name, '.');
+                        if (ext == NULL)
+                                continue;
+                        if (strcmp(ext, suffix) != 0)
+                                continue;
+                }
+                util_strscpyl(filename, sizeof(filename), dirname, "/", dent->d_name, NULL);
+                dbg(udev, "put file '%s' into list\n", filename);
+                /*
+                 * the basename is the key, the filename the value
+                 * identical basenames from different directories overwrite each other
+                 * entries are sorted after basename
+                 */
+                udev_list_entry_add(file_list, dent->d_name, filename);
+        }
+
+        closedir(dir);
+        return 0;
 }
 
 struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
 {
-	struct udev_rules *rules;
-	struct udev_list file_list;
-	struct udev_list_entry *file_loop;
-	struct token end_token;
-	char **s;
-
-	rules = calloc(1, sizeof(struct udev_rules));
-	if (rules == NULL)
-		return NULL;
-	rules->udev = udev;
-	rules->resolve_names = resolve_names;
-	udev_list_init(udev, &file_list, true);
-
-	/* init token array and string buffer */
-	rules->tokens = malloc(PREALLOC_TOKEN * sizeof(struct token));
-	if (rules->tokens == NULL) {
-		free(rules);
-		return NULL;
-	}
-	rules->token_max = PREALLOC_TOKEN;
-
-	rules->buf = malloc(PREALLOC_STRBUF);
-	if (rules->buf == NULL) {
-		free(rules->tokens);
-		free(rules);
-		return NULL;
-	}
-	rules->buf_max = PREALLOC_STRBUF;
-	/* offset 0 is always '\0' */
-	rules->buf[0] = '\0';
-	rules->buf_cur = 1;
-	dbg(udev, "prealloc %zu bytes tokens (%u * %zu bytes), %zu bytes buffer\n",
-	    rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->buf_max);
-
-	rules->trie_nodes = malloc(PREALLOC_TRIE * sizeof(struct trie_node));
-	if (rules->trie_nodes == NULL) {
-		free(rules->buf);
-		free(rules->tokens);
-		free(rules);
-		return NULL;
-	}
-	rules->trie_nodes_max = PREALLOC_TRIE;
-	/* offset 0 is the trie root, with an empty string */
-	memset(rules->trie_nodes, 0x00, sizeof(struct trie_node));
-	rules->trie_nodes_cur = 1;
-
-	for (udev_get_rules_path(udev, &s, NULL); *s != NULL; s++)
-		add_matching_files(udev, &file_list, *s, ".rules");
-
-	/* add all filenames to the string buffer */
-	udev_list_entry_foreach(file_loop, udev_list_get_entry(&file_list)) {
-		const char *filename = udev_list_entry_get_value(file_loop);
-		unsigned int filename_off;
-
-		filename_off = add_string(rules, filename);
-		/* the offset in the rule is limited to unsigned short */
-		if (filename_off < USHRT_MAX)
-			udev_list_entry_set_num(file_loop, filename_off);
-	}
-
-	/* parse all rules files */
-	udev_list_entry_foreach(file_loop, udev_list_get_entry(&file_list)) {
-		const char *filename = udev_list_entry_get_value(file_loop);
-		unsigned int filename_off = udev_list_entry_get_num(file_loop);
-		struct stat st;
-
-		if (stat(filename, &st) != 0) {
-			err(udev, "can not find '%s': %m\n", filename);
-			continue;
-		}
-		if (S_ISREG(st.st_mode) && st.st_size <= 0) {
-			info(udev, "ignore empty '%s'\n", filename);
-			continue;
-		}
-		if (S_ISCHR(st.st_mode)) {
-			info(udev, "ignore masked '%s'\n", filename);
-			continue;
-		}
-		parse_file(rules, filename, filename_off);
-	}
-	udev_list_cleanup(&file_list);
-
-	memset(&end_token, 0x00, sizeof(struct token));
-	end_token.type = TK_END;
-	add_token(rules, &end_token);
-
-	/* shrink allocated token and string buffer */
-	if (rules->token_cur < rules->token_max) {
-		struct token *tokens;
-
-		tokens = realloc(rules->tokens, rules->token_cur * sizeof(struct token));
-		if (tokens != NULL || rules->token_cur == 0) {
-			rules->tokens = tokens;
-			rules->token_max = rules->token_cur;
-		}
-	}
-	if (rules->buf_cur < rules->buf_max) {
-		char *buf;
-
-		buf = realloc(rules->buf, rules->buf_cur);
-		if (buf != NULL || rules->buf_cur == 0) {
-			rules->buf = buf;
-			rules->buf_max = rules->buf_cur;
-		}
-	}
-	info(udev, "rules use %zu bytes tokens (%u * %zu bytes), %zu bytes buffer\n",
-	     rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->buf_max);
-	info(udev, "temporary index used %zu bytes (%u * %zu bytes)\n",
-	     rules->trie_nodes_cur * sizeof(struct trie_node),
-	     rules->trie_nodes_cur, sizeof(struct trie_node));
-
-	/* cleanup trie */
-	free(rules->trie_nodes);
-	rules->trie_nodes = NULL;
-	rules->trie_nodes_cur = 0;
-	rules->trie_nodes_max = 0;
-
-	/* cleanup uid/gid cache */
-	free(rules->uids);
-	rules->uids = NULL;
-	rules->uids_cur = 0;
-	rules->uids_max = 0;
-	free(rules->gids);
-	rules->gids = NULL;
-	rules->gids_cur = 0;
-	rules->gids_max = 0;
-
-	dump_rules(rules);
-	return rules;
+        struct udev_rules *rules;
+        struct udev_list file_list;
+        struct udev_list_entry *file_loop;
+        struct token end_token;
+        char **s;
+
+        rules = calloc(1, sizeof(struct udev_rules));
+        if (rules == NULL)
+                return NULL;
+        rules->udev = udev;
+        rules->resolve_names = resolve_names;
+        udev_list_init(udev, &file_list, true);
+
+        /* init token array and string buffer */
+        rules->tokens = malloc(PREALLOC_TOKEN * sizeof(struct token));
+        if (rules->tokens == NULL) {
+                free(rules);
+                return NULL;
+        }
+        rules->token_max = PREALLOC_TOKEN;
+
+        rules->buf = malloc(PREALLOC_STRBUF);
+        if (rules->buf == NULL) {
+                free(rules->tokens);
+                free(rules);
+                return NULL;
+        }
+        rules->buf_max = PREALLOC_STRBUF;
+        /* offset 0 is always '\0' */
+        rules->buf[0] = '\0';
+        rules->buf_cur = 1;
+        dbg(udev, "prealloc %zu bytes tokens (%u * %zu bytes), %zu bytes buffer\n",
+            rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->buf_max);
+
+        rules->trie_nodes = malloc(PREALLOC_TRIE * sizeof(struct trie_node));
+        if (rules->trie_nodes == NULL) {
+                free(rules->buf);
+                free(rules->tokens);
+                free(rules);
+                return NULL;
+        }
+        rules->trie_nodes_max = PREALLOC_TRIE;
+        /* offset 0 is the trie root, with an empty string */
+        memset(rules->trie_nodes, 0x00, sizeof(struct trie_node));
+        rules->trie_nodes_cur = 1;
+
+        for (udev_get_rules_path(udev, &s, NULL); *s != NULL; s++)
+                add_matching_files(udev, &file_list, *s, ".rules");
+
+        /* add all filenames to the string buffer */
+        udev_list_entry_foreach(file_loop, udev_list_get_entry(&file_list)) {
+                const char *filename = udev_list_entry_get_value(file_loop);
+                unsigned int filename_off;
+
+                filename_off = add_string(rules, filename);
+                /* the offset in the rule is limited to unsigned short */
+                if (filename_off < USHRT_MAX)
+                        udev_list_entry_set_num(file_loop, filename_off);
+        }
+
+        /* parse all rules files */
+        udev_list_entry_foreach(file_loop, udev_list_get_entry(&file_list)) {
+                const char *filename = udev_list_entry_get_value(file_loop);
+                unsigned int filename_off = udev_list_entry_get_num(file_loop);
+                struct stat st;
+
+                if (stat(filename, &st) != 0) {
+                        err(udev, "can not find '%s': %m\n", filename);
+                        continue;
+                }
+                if (S_ISREG(st.st_mode) && st.st_size <= 0) {
+                        info(udev, "ignore empty '%s'\n", filename);
+                        continue;
+                }
+                if (S_ISCHR(st.st_mode)) {
+                        info(udev, "ignore masked '%s'\n", filename);
+                        continue;
+                }
+                parse_file(rules, filename, filename_off);
+        }
+        udev_list_cleanup(&file_list);
+
+        memset(&end_token, 0x00, sizeof(struct token));
+        end_token.type = TK_END;
+        add_token(rules, &end_token);
+
+        /* shrink allocated token and string buffer */
+        if (rules->token_cur < rules->token_max) {
+                struct token *tokens;
+
+                tokens = realloc(rules->tokens, rules->token_cur * sizeof(struct token));
+                if (tokens != NULL || rules->token_cur == 0) {
+                        rules->tokens = tokens;
+                        rules->token_max = rules->token_cur;
+                }
+        }
+        if (rules->buf_cur < rules->buf_max) {
+                char *buf;
+
+                buf = realloc(rules->buf, rules->buf_cur);
+                if (buf != NULL || rules->buf_cur == 0) {
+                        rules->buf = buf;
+                        rules->buf_max = rules->buf_cur;
+                }
+        }
+        info(udev, "rules use %zu bytes tokens (%u * %zu bytes), %zu bytes buffer\n",
+             rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->buf_max);
+        info(udev, "temporary index used %zu bytes (%u * %zu bytes)\n",
+             rules->trie_nodes_cur * sizeof(struct trie_node),
+             rules->trie_nodes_cur, sizeof(struct trie_node));
+
+        /* cleanup trie */
+        free(rules->trie_nodes);
+        rules->trie_nodes = NULL;
+        rules->trie_nodes_cur = 0;
+        rules->trie_nodes_max = 0;
+
+        /* cleanup uid/gid cache */
+        free(rules->uids);
+        rules->uids = NULL;
+        rules->uids_cur = 0;
+        rules->uids_max = 0;
+        free(rules->gids);
+        rules->gids = NULL;
+        rules->gids_cur = 0;
+        rules->gids_max = 0;
+
+        dump_rules(rules);
+        return rules;
 }
 
 struct udev_rules *udev_rules_unref(struct udev_rules *rules)
 {
-	if (rules == NULL)
-		return NULL;
-	free(rules->tokens);
-	free(rules->buf);
-	free(rules->trie_nodes);
-	free(rules->uids);
-	free(rules->gids);
-	free(rules);
-	return NULL;
+        if (rules == NULL)
+                return NULL;
+        free(rules->tokens);
+        free(rules->buf);
+        free(rules->trie_nodes);
+        free(rules->uids);
+        free(rules->gids);
+        free(rules);
+        return NULL;
 }
 
 static int match_key(struct udev_rules *rules, struct token *token, const char *val)
 {
-	char *key_value = &rules->buf[token->key.value_off];
-	char *pos;
-	bool match = false;
-
-	if (val == NULL)
-		val = "";
-
-	switch (token->key.glob) {
-	case GL_PLAIN:
-		match = (strcmp(key_value, val) == 0);
-		break;
-	case GL_GLOB:
-		match = (fnmatch(key_value, val, 0) == 0);
-		break;
-	case GL_SPLIT:
-		{
-			const char *split;
-			size_t len;
-
-			split = &rules->buf[token->key.value_off];
-			len = strlen(val);
-			for (;;) {
-				const char *next;
-
-				next = strchr(split, '|');
-				if (next != NULL) {
-					size_t matchlen = (size_t)(next - split);
-
-					match = (matchlen == len && strncmp(split, val, matchlen) == 0);
-					if (match)
-						break;
-				} else {
-					match = (strcmp(split, val) == 0);
-					break;
-				}
-				split = &next[1];
-			}
-			break;
-		}
-	case GL_SPLIT_GLOB:
-		{
-			char value[UTIL_PATH_SIZE];
-
-			util_strscpy(value, sizeof(value), &rules->buf[token->key.value_off]);
-			key_value = value;
-			while (key_value != NULL) {
-				pos = strchr(key_value, '|');
-				if (pos != NULL) {
-					pos[0] = '\0';
-					pos = &pos[1];
-				}
-				dbg(rules->udev, "match %s '%s' <-> '%s'\n", token_str(token->type), key_value, val);
-				match = (fnmatch(key_value, val, 0) == 0);
-				if (match)
-					break;
-				key_value = pos;
-			}
-			break;
-		}
-	case GL_SOMETHING:
-		match = (val[0] != '\0');
-		break;
-	case GL_UNSET:
-		return -1;
-	}
-
-	if (match && (token->key.op == OP_MATCH)) {
-		dbg(rules->udev, "%s is true (matching value)\n", token_str(token->type));
-		return 0;
-	}
-	if (!match && (token->key.op == OP_NOMATCH)) {
-		dbg(rules->udev, "%s is true (non-matching value)\n", token_str(token->type));
-		return 0;
-	}
-	dbg(rules->udev, "%s is not true\n", token_str(token->type));
-	return -1;
+        char *key_value = &rules->buf[token->key.value_off];
+        char *pos;
+        bool match = false;
+
+        if (val == NULL)
+                val = "";
+
+        switch (token->key.glob) {
+        case GL_PLAIN:
+                match = (strcmp(key_value, val) == 0);
+                break;
+        case GL_GLOB:
+                match = (fnmatch(key_value, val, 0) == 0);
+                break;
+        case GL_SPLIT:
+                {
+                        const char *split;
+                        size_t len;
+
+                        split = &rules->buf[token->key.value_off];
+                        len = strlen(val);
+                        for (;;) {
+                                const char *next;
+
+                                next = strchr(split, '|');
+                                if (next != NULL) {
+                                        size_t matchlen = (size_t)(next - split);
+
+                                        match = (matchlen == len && strncmp(split, val, matchlen) == 0);
+                                        if (match)
+                                                break;
+                                } else {
+                                        match = (strcmp(split, val) == 0);
+                                        break;
+                                }
+                                split = &next[1];
+                        }
+                        break;
+                }
+        case GL_SPLIT_GLOB:
+                {
+                        char value[UTIL_PATH_SIZE];
+
+                        util_strscpy(value, sizeof(value), &rules->buf[token->key.value_off]);
+                        key_value = value;
+                        while (key_value != NULL) {
+                                pos = strchr(key_value, '|');
+                                if (pos != NULL) {
+                                        pos[0] = '\0';
+                                        pos = &pos[1];
+                                }
+                                dbg(rules->udev, "match %s '%s' <-> '%s'\n", token_str(token->type), key_value, val);
+                                match = (fnmatch(key_value, val, 0) == 0);
+                                if (match)
+                                        break;
+                                key_value = pos;
+                        }
+                        break;
+                }
+        case GL_SOMETHING:
+                match = (val[0] != '\0');
+                break;
+        case GL_UNSET:
+                return -1;
+        }
+
+        if (match && (token->key.op == OP_MATCH)) {
+                dbg(rules->udev, "%s is true (matching value)\n", token_str(token->type));
+                return 0;
+        }
+        if (!match && (token->key.op == OP_NOMATCH)) {
+                dbg(rules->udev, "%s is true (non-matching value)\n", token_str(token->type));
+                return 0;
+        }
+        dbg(rules->udev, "%s is not true\n", token_str(token->type));
+        return -1;
 }
 
 static int match_attr(struct udev_rules *rules, struct udev_device *dev, struct udev_event *event, struct token *cur)
 {
-	const char *name;
-	char nbuf[UTIL_NAME_SIZE];
-	const char *value;
-	char vbuf[UTIL_NAME_SIZE];
-	size_t len;
-
-	name = &rules->buf[cur->key.attr_off];
-	switch (cur->key.attrsubst) {
-	case SB_FORMAT:
-		udev_event_apply_format(event, name, nbuf, sizeof(nbuf));
-		name = nbuf;
-		/* fall through */
-	case SB_NONE:
-		value = udev_device_get_sysattr_value(dev, name);
-		if (value == NULL)
-			return -1;
-		break;
-	case SB_SUBSYS:
-		if (util_resolve_subsys_kernel(event->udev, name, vbuf, sizeof(vbuf), 1) != 0)
-			return -1;
-		value = vbuf;
-		break;
-	default:
-		return -1;
-	}
-
-	/* remove trailing whitespace, if not asked to match for it */
-	len = strlen(value);
-	if (len > 0 && isspace(value[len-1])) {
-		const char *key_value;
-		size_t klen;
-
-		key_value = &rules->buf[cur->key.value_off];
-		klen = strlen(key_value);
-		if (klen > 0 && !isspace(key_value[klen-1])) {
-			if (value != vbuf) {
-				util_strscpy(vbuf, sizeof(vbuf), value);
-				value = vbuf;
-			}
-			while (len > 0 && isspace(vbuf[--len]))
-				vbuf[len] = '\0';
-			dbg(rules->udev, "removed trailing whitespace from '%s'\n", value);
-		}
-	}
-
-	return match_key(rules, cur, value);
+        const char *name;
+        char nbuf[UTIL_NAME_SIZE];
+        const char *value;
+        char vbuf[UTIL_NAME_SIZE];
+        size_t len;
+
+        name = &rules->buf[cur->key.attr_off];
+        switch (cur->key.attrsubst) {
+        case SB_FORMAT:
+                udev_event_apply_format(event, name, nbuf, sizeof(nbuf));
+                name = nbuf;
+                /* fall through */
+        case SB_NONE:
+                value = udev_device_get_sysattr_value(dev, name);
+                if (value == NULL)
+                        return -1;
+                break;
+        case SB_SUBSYS:
+                if (util_resolve_subsys_kernel(event->udev, name, vbuf, sizeof(vbuf), 1) != 0)
+                        return -1;
+                value = vbuf;
+                break;
+        default:
+                return -1;
+        }
+
+        /* remove trailing whitespace, if not asked to match for it */
+        len = strlen(value);
+        if (len > 0 && isspace(value[len-1])) {
+                const char *key_value;
+                size_t klen;
+
+                key_value = &rules->buf[cur->key.value_off];
+                klen = strlen(key_value);
+                if (klen > 0 && !isspace(key_value[klen-1])) {
+                        if (value != vbuf) {
+                                util_strscpy(vbuf, sizeof(vbuf), value);
+                                value = vbuf;
+                        }
+                        while (len > 0 && isspace(vbuf[--len]))
+                                vbuf[len] = '\0';
+                        dbg(rules->udev, "removed trailing whitespace from '%s'\n", value);
+                }
+        }
+
+        return match_key(rules, cur, value);
 }
 
 enum escape_type {
-	ESCAPE_UNSET,
-	ESCAPE_NONE,
-	ESCAPE_REPLACE,
+        ESCAPE_UNSET,
+        ESCAPE_NONE,
+        ESCAPE_REPLACE,
 };
 
 int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, const sigset_t *sigmask)
 {
-	struct token *cur;
-	struct token *rule;
-	enum escape_type esc = ESCAPE_UNSET;
-	bool can_set_name;
-
-	if (rules->tokens == NULL)
-		return -1;
-
-	can_set_name = ((strcmp(udev_device_get_action(event->dev), "remove") != 0) &&
-			(major(udev_device_get_devnum(event->dev)) > 0 ||
-			 udev_device_get_ifindex(event->dev) > 0));
-
-	/* loop through token list, match, run actions or forward to next rule */
-	cur = &rules->tokens[0];
-	rule = cur;
-	for (;;) {
-		dump_token(rules, cur);
-		switch (cur->type) {
-		case TK_RULE:
-			/* current rule */
-			rule = cur;
-			/* possibly skip rules which want to set NAME, SYMLINK, OWNER, GROUP, MODE */
-			if (!can_set_name && rule->rule.can_set_name)
-				goto nomatch;
-			esc = ESCAPE_UNSET;
-			break;
-		case TK_M_ACTION:
-			if (match_key(rules, cur, udev_device_get_action(event->dev)) != 0)
-				goto nomatch;
-			break;
-		case TK_M_DEVPATH:
-			if (match_key(rules, cur, udev_device_get_devpath(event->dev)) != 0)
-				goto nomatch;
-			break;
-		case TK_M_KERNEL:
-			if (match_key(rules, cur, udev_device_get_sysname(event->dev)) != 0)
-				goto nomatch;
-			break;
-		case TK_M_DEVLINK: {
-			size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
-			struct udev_list_entry *list_entry;
-			bool match = false;
-
-			udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(event->dev)) {
-				const char *devlink;
-
-				devlink =  &udev_list_entry_get_name(list_entry)[devlen];
-				if (match_key(rules, cur, devlink) == 0) {
-					match = true;
-					break;
-				}
-			}
-			if (!match)
-				goto nomatch;
-			break;
-		}
-		case TK_M_NAME:
-			if (match_key(rules, cur, event->name) != 0)
-				goto nomatch;
-			break;
-		case TK_M_ENV: {
-			const char *key_name = &rules->buf[cur->key.attr_off];
-			const char *value;
-
-			value = udev_device_get_property_value(event->dev, key_name);
-			if (value == NULL) {
-				dbg(event->udev, "ENV{%s} is not set, treat as empty\n", key_name);
-				value = "";
-			}
-			if (match_key(rules, cur, value))
-				goto nomatch;
-			break;
-		}
-		case TK_M_TAG: {
-			struct udev_list_entry *list_entry;
-			bool match = false;
-
-			udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(event->dev)) {
-				if (strcmp(&rules->buf[cur->key.value_off], udev_list_entry_get_name(list_entry)) == 0) {
-					match = true;
-					break;
-				}
-			}
-			if (!match && (cur->key.op != OP_NOMATCH))
-				goto nomatch;
-			break;
-		}
-		case TK_M_SUBSYSTEM:
-			if (match_key(rules, cur, udev_device_get_subsystem(event->dev)) != 0)
-				goto nomatch;
-			break;
-		case TK_M_DRIVER:
-			if (match_key(rules, cur, udev_device_get_driver(event->dev)) != 0)
-				goto nomatch;
-			break;
-		case TK_M_WAITFOR: {
-			char filename[UTIL_PATH_SIZE];
-			int found;
-
-			udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename));
-			found = (wait_for_file(event->dev, filename, 10) == 0);
-			if (!found && (cur->key.op != OP_NOMATCH))
-				goto nomatch;
-			break;
-		}
-		case TK_M_ATTR:
-			if (match_attr(rules, event->dev, event, cur) != 0)
-				goto nomatch;
-			break;
-		case TK_M_KERNELS:
-		case TK_M_SUBSYSTEMS:
-		case TK_M_DRIVERS:
-		case TK_M_ATTRS:
-		case TK_M_TAGS: {
-			struct token *next;
-
-			/* get whole sequence of parent matches */
-			next = cur;
-			while (next->type > TK_M_PARENTS_MIN && next->type < TK_M_PARENTS_MAX)
-				next++;
-
-			/* loop over parents */
-			event->dev_parent = event->dev;
-			for (;;) {
-				struct token *key;
-
-				dbg(event->udev, "parent: '%s'\n", udev_device_get_syspath(event->dev_parent));
-				/* loop over sequence of parent match keys */
-				for (key = cur; key < next; key++ ) {
-					dump_token(rules, key);
-					switch(key->type) {
-					case TK_M_KERNELS:
-						if (match_key(rules, key, udev_device_get_sysname(event->dev_parent)) != 0)
-							goto try_parent;
-						break;
-					case TK_M_SUBSYSTEMS:
-						if (match_key(rules, key, udev_device_get_subsystem(event->dev_parent)) != 0)
-							goto try_parent;
-						break;
-					case TK_M_DRIVERS:
-						if (match_key(rules, key, udev_device_get_driver(event->dev_parent)) != 0)
-							goto try_parent;
-						break;
-					case TK_M_ATTRS:
-						if (match_attr(rules, event->dev_parent, event, key) != 0)
-							goto try_parent;
-						break;
-					case TK_M_TAGS: {
-						bool match = udev_device_has_tag(event->dev_parent, &rules->buf[cur->key.value_off]);
-
-						if (match && key->key.op == OP_NOMATCH)
-							goto try_parent;
-						if (!match && key->key.op == OP_MATCH)
-							goto try_parent;
-						break;
-					}
-					default:
-						goto nomatch;
-					}
-					dbg(event->udev, "parent key matched\n");
-				}
-				dbg(event->udev, "all parent keys matched\n");
-				break;
-
-			try_parent:
-				event->dev_parent = udev_device_get_parent(event->dev_parent);
-				if (event->dev_parent == NULL)
-					goto nomatch;
-			}
-			/* move behind our sequence of parent match keys */
-			cur = next;
-			continue;
-		}
-		case TK_M_TEST: {
-			char filename[UTIL_PATH_SIZE];
-			struct stat statbuf;
-			int match;
-
-			udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename));
-			if (util_resolve_subsys_kernel(event->udev, filename, filename, sizeof(filename), 0) != 0) {
-				if (filename[0] != '/') {
-					char tmp[UTIL_PATH_SIZE];
-
-					util_strscpy(tmp, sizeof(tmp), filename);
-					util_strscpyl(filename, sizeof(filename),
-						      udev_device_get_syspath(event->dev), "/", tmp, NULL);
-				}
-			}
-			attr_subst_subdir(filename, sizeof(filename));
-
-			match = (stat(filename, &statbuf) == 0);
-			dbg(event->udev, "'%s' %s", filename, match ? "exists\n" : "does not exist\n");
-			if (match && cur->key.mode > 0) {
-				match = ((statbuf.st_mode & cur->key.mode) > 0);
-				dbg(event->udev, "'%s' has mode=%#o and %s %#o\n", filename, statbuf.st_mode,
-				    match ? "matches" : "does not match", cur->key.mode);
-			}
-			if (match && cur->key.op == OP_NOMATCH)
-				goto nomatch;
-			if (!match && cur->key.op == OP_MATCH)
-				goto nomatch;
-			break;
-		}
-		case TK_M_EVENT_TIMEOUT:
-			info(event->udev, "OPTIONS event_timeout=%u\n", cur->key.event_timeout);
-			event->timeout_usec = cur->key.event_timeout * 1000 * 1000;
-			break;
-		case TK_M_PROGRAM: {
-			char program[UTIL_PATH_SIZE];
-			char **envp;
-			char result[UTIL_PATH_SIZE];
-
-			free(event->program_result);
-			event->program_result = NULL;
-			udev_event_apply_format(event, &rules->buf[cur->key.value_off], program, sizeof(program));
-			envp = udev_device_get_properties_envp(event->dev);
-			info(event->udev, "PROGRAM '%s' %s:%u\n",
-			     program,
-			     &rules->buf[rule->rule.filename_off],
-			     rule->rule.filename_line);
-
-			if (udev_event_spawn(event, program, envp, sigmask, result, sizeof(result)) < 0) {
-				if (cur->key.op != OP_NOMATCH)
-					goto nomatch;
-			} else {
-				int count;
-
-				util_remove_trailing_chars(result, '\n');
-				if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
-					count = util_replace_chars(result, UDEV_ALLOWED_CHARS_INPUT);
-					if (count > 0)
-						info(event->udev, "%i character(s) replaced\n" , count);
-				}
-				event->program_result = strdup(result);
-				dbg(event->udev, "storing result '%s'\n", event->program_result);
-				if (cur->key.op == OP_NOMATCH)
-					goto nomatch;
-			}
-			break;
-		}
-		case TK_M_IMPORT_FILE: {
-			char import[UTIL_PATH_SIZE];
-
-			udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
-			if (import_file_into_properties(event->dev, import) != 0)
-				if (cur->key.op != OP_NOMATCH)
-					goto nomatch;
-			break;
-		}
-		case TK_M_IMPORT_PROG: {
-			char import[UTIL_PATH_SIZE];
-
-			udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
-			info(event->udev, "IMPORT '%s' %s:%u\n",
-			     import,
-			     &rules->buf[rule->rule.filename_off],
-			     rule->rule.filename_line);
-
-			if (import_program_into_properties(event, import, sigmask) != 0)
-				if (cur->key.op != OP_NOMATCH)
-					goto nomatch;
-			break;
-		}
-		case TK_M_IMPORT_BUILTIN: {
-			char command[UTIL_PATH_SIZE];
-
-			if (udev_builtin_run_once(cur->key.builtin_cmd)) {
-				/* check if we ran already */
-				if (event->builtin_run & (1 << cur->key.builtin_cmd)) {
-					info(event->udev, "IMPORT builtin skip '%s' %s:%u\n",
-					     udev_builtin_name(cur->key.builtin_cmd),
-					     &rules->buf[rule->rule.filename_off],
-					     rule->rule.filename_line);
-					/* return the result from earlier run */
-					if (event->builtin_ret & (1 << cur->key.builtin_cmd))
-					if (cur->key.op != OP_NOMATCH)
-							goto nomatch;
-					break;
-				}
-				/* mark as ran */
-				event->builtin_run |= (1 << cur->key.builtin_cmd);
-			}
-
-			udev_event_apply_format(event, &rules->buf[cur->key.value_off], command, sizeof(command));
-			info(event->udev, "IMPORT builtin '%s' %s:%u\n",
-			     udev_builtin_name(cur->key.builtin_cmd),
-			     &rules->buf[rule->rule.filename_off],
-			     rule->rule.filename_line);
-
-			if (udev_builtin_run(event->dev, cur->key.builtin_cmd, command, false) != 0) {
-				/* remember failure */
-				info(rules->udev, "IMPORT builtin '%s' returned non-zero\n",
-				     udev_builtin_name(cur->key.builtin_cmd));
-				event->builtin_ret |= (1 << cur->key.builtin_cmd);
-				if (cur->key.op != OP_NOMATCH)
-					goto nomatch;
-			}
-			break;
-		}
-		case TK_M_IMPORT_DB: {
-			const char *key = &rules->buf[cur->key.value_off];
-			const char *value;
-
-			value = udev_device_get_property_value(event->dev_db, key);
-			if (value != NULL) {
-				struct udev_list_entry *entry;
-
-				entry = udev_device_add_property(event->dev, key, value);
-				udev_list_entry_set_num(entry, true);
-			} else {
-				if (cur->key.op != OP_NOMATCH)
-					goto nomatch;
-			}
-			break;
-		}
-		case TK_M_IMPORT_CMDLINE: {
-			FILE *f;
-			bool imported = false;
-
-			f = fopen("/proc/cmdline", "r");
-			if (f != NULL) {
-				char cmdline[4096];
-
-				if (fgets(cmdline, sizeof(cmdline), f) != NULL) {
-					const char *key = &rules->buf[cur->key.value_off];
-					char *pos;
-
-					pos = strstr(cmdline, key);
-					if (pos != NULL) {
-						struct udev_list_entry *entry;
-
-						pos += strlen(key);
-						if (pos[0] == '\0' || isspace(pos[0])) {
-							/* we import simple flags as 'FLAG=1' */
-							entry = udev_device_add_property(event->dev, key, "1");
-							udev_list_entry_set_num(entry, true);
-							imported = true;
-						} else if (pos[0] == '=') {
-							const char *value;
-
-							pos++;
-							value = pos;
-							while (pos[0] != '\0' && !isspace(pos[0]))
-								pos++;
-							pos[0] = '\0';
-							entry = udev_device_add_property(event->dev, key, value);
-							udev_list_entry_set_num(entry, true);
-							imported = true;
-						}
-					}
-				}
-				fclose(f);
-			}
-			if (!imported && cur->key.op != OP_NOMATCH)
-				goto nomatch;
-			break;
-		}
-		case TK_M_IMPORT_PARENT: {
-			char import[UTIL_PATH_SIZE];
-
-			udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
-			if (import_parent_into_properties(event->dev, import) != 0)
-				if (cur->key.op != OP_NOMATCH)
-					goto nomatch;
-			break;
-		}
-		case TK_M_RESULT:
-			if (match_key(rules, cur, event->program_result) != 0)
-				goto nomatch;
-			break;
-		case TK_A_STRING_ESCAPE_NONE:
-			esc = ESCAPE_NONE;
-			break;
-		case TK_A_STRING_ESCAPE_REPLACE:
-			esc = ESCAPE_REPLACE;
-			break;
-		case TK_A_DB_PERSIST:
-			udev_device_set_db_persist(event->dev);
-			break;
-		case TK_A_INOTIFY_WATCH:
-			if (event->inotify_watch_final)
-				break;
-			if (cur->key.op == OP_ASSIGN_FINAL)
-				event->inotify_watch_final = true;
-			event->inotify_watch = cur->key.watch;
-			break;
-		case TK_A_DEVLINK_PRIO:
-			udev_device_set_devlink_priority(event->dev, cur->key.devlink_prio);
-			break;
-		case TK_A_OWNER: {
-			char owner[UTIL_NAME_SIZE];
-
-			if (event->owner_final)
-				break;
-			if (cur->key.op == OP_ASSIGN_FINAL)
-				event->owner_final = true;
-			udev_event_apply_format(event, &rules->buf[cur->key.value_off], owner, sizeof(owner));
-			event->uid = util_lookup_user(event->udev, owner);
-			info(event->udev, "OWNER %u %s:%u\n",
-			     event->uid,
-			     &rules->buf[rule->rule.filename_off],
-			     rule->rule.filename_line);
-			break;
-		}
-		case TK_A_GROUP: {
-			char group[UTIL_NAME_SIZE];
-
-			if (event->group_final)
-				break;
-			if (cur->key.op == OP_ASSIGN_FINAL)
-				event->group_final = true;
-			udev_event_apply_format(event, &rules->buf[cur->key.value_off], group, sizeof(group));
-			event->gid = util_lookup_group(event->udev, group);
-			info(event->udev, "GROUP %u %s:%u\n",
-			     event->gid,
-			     &rules->buf[rule->rule.filename_off],
-			     rule->rule.filename_line);
-			break;
-		}
-		case TK_A_MODE: {
-			char mode_str[UTIL_NAME_SIZE];
-			mode_t mode;
-			char *endptr;
-
-			if (event->mode_final)
-				break;
-			udev_event_apply_format(event, &rules->buf[cur->key.value_off], mode_str, sizeof(mode_str));
-			mode = strtol(mode_str, &endptr, 8);
-			if (endptr[0] != '\0') {
-				err(event->udev, "ignoring invalid mode '%s'\n", mode_str);
-				break;
-			}
-			if (cur->key.op == OP_ASSIGN_FINAL)
-				event->mode_final = true;
-			event->mode_set = true;
-			event->mode = mode;
-			info(event->udev, "MODE %#o %s:%u\n",
-			     event->mode,
-			     &rules->buf[rule->rule.filename_off],
-			     rule->rule.filename_line);
-			break;
-		}
-		case TK_A_OWNER_ID:
-			if (event->owner_final)
-				break;
-			if (cur->key.op == OP_ASSIGN_FINAL)
-				event->owner_final = true;
-			event->uid = cur->key.uid;
-			info(event->udev, "OWNER %u %s:%u\n",
-			     event->uid,
-			     &rules->buf[rule->rule.filename_off],
-			     rule->rule.filename_line);
-			break;
-		case TK_A_GROUP_ID:
-			if (event->group_final)
-				break;
-			if (cur->key.op == OP_ASSIGN_FINAL)
-				event->group_final = true;
-			event->gid = cur->key.gid;
-			info(event->udev, "GROUP %u %s:%u\n",
-			     event->gid,
-			     &rules->buf[rule->rule.filename_off],
-			     rule->rule.filename_line);
-			break;
-		case TK_A_MODE_ID:
-			if (event->mode_final)
-				break;
-			if (cur->key.op == OP_ASSIGN_FINAL)
-				event->mode_final = true;
-			event->mode_set = true;
-			event->mode = cur->key.mode;
-			info(event->udev, "MODE %#o %s:%u\n",
-			     event->mode,
-			     &rules->buf[rule->rule.filename_off],
-			     rule->rule.filename_line);
-			break;
-		case TK_A_ENV: {
-			const char *name = &rules->buf[cur->key.attr_off];
-			char *value = &rules->buf[cur->key.value_off];
-
-			if (value[0] != '\0') {
-				char temp_value[UTIL_NAME_SIZE];
-				struct udev_list_entry *entry;
-
-				udev_event_apply_format(event, value, temp_value, sizeof(temp_value));
-				entry = udev_device_add_property(event->dev, name, temp_value);
-				/* store in db, skip private keys */
-				if (name[0] != '.')
-					udev_list_entry_set_num(entry, true);
-			} else {
-				udev_device_add_property(event->dev, name, NULL);
-			}
-			break;
-		}
-		case TK_A_TAG: {
-			char tag[UTIL_PATH_SIZE];
-			const char *p;
-
-			udev_event_apply_format(event, &rules->buf[cur->key.value_off], tag, sizeof(tag));
-			if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
-				udev_device_cleanup_tags_list(event->dev);
-			for (p = tag; *p != '\0'; p++) {
-				if ((*p >= 'a' && *p <= 'z') ||
-				    (*p >= 'A' && *p <= 'Z') ||
-				    (*p >= '0' && *p <= '9') ||
-				    *p == '-' || *p == '_')
-					continue;
-				err(event->udev, "ignoring invalid tag name '%s'\n", tag);
-				break;
-			}
-			udev_device_add_tag(event->dev, tag);
-			break;
-		}
-		case TK_A_NAME: {
-			const char *name  = &rules->buf[cur->key.value_off];
-			char name_str[UTIL_PATH_SIZE];
-			int count;
-
-			if (event->name_final)
-				break;
-			if (cur->key.op == OP_ASSIGN_FINAL)
-				event->name_final = true;
-			udev_event_apply_format(event, name, name_str, sizeof(name_str));
-			if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
-				count = util_replace_chars(name_str, "/");
-				if (count > 0)
-					info(event->udev, "%i character(s) replaced\n", count);
-			}
-			free(event->name);
-			event->name = strdup(name_str);
-			info(event->udev, "NAME '%s' %s:%u\n",
-			     event->name,
-			     &rules->buf[rule->rule.filename_off],
-			     rule->rule.filename_line);
-			break;
-		}
-		case TK_A_DEVLINK: {
-			char temp[UTIL_PATH_SIZE];
-			char filename[UTIL_PATH_SIZE];
-			char *pos, *next;
-			int count = 0;
-
-			if (event->devlink_final)
-				break;
-			if (major(udev_device_get_devnum(event->dev)) == 0)
-				break;
-			if (cur->key.op == OP_ASSIGN_FINAL)
-				event->devlink_final = true;
-			if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
-				udev_device_cleanup_devlinks_list(event->dev);
-
-			/* allow  multiple symlinks separated by spaces */
-			udev_event_apply_format(event, &rules->buf[cur->key.value_off], temp, sizeof(temp));
-			if (esc == ESCAPE_UNSET)
-				count = util_replace_chars(temp, "/ ");
-			else if (esc == ESCAPE_REPLACE)
-				count = util_replace_chars(temp, "/");
-			if (count > 0)
-				info(event->udev, "%i character(s) replaced\n" , count);
-			dbg(event->udev, "rule applied, added symlink(s) '%s'\n", temp);
-			pos = temp;
-			while (isspace(pos[0]))
-				pos++;
-			next = strchr(pos, ' ');
-			while (next != NULL) {
-				next[0] = '\0';
-				info(event->udev, "LINK '%s' %s:%u\n", pos,
-				     &rules->buf[rule->rule.filename_off], rule->rule.filename_line);
-				util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
-				udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique);
-				while (isspace(next[1]))
-					next++;
-				pos = &next[1];
-				next = strchr(pos, ' ');
-			}
-			if (pos[0] != '\0') {
-				info(event->udev, "LINK '%s' %s:%u\n", pos,
-				     &rules->buf[rule->rule.filename_off], rule->rule.filename_line);
-				util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
-				udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique);
-			}
-			break;
-		}
-		case TK_A_ATTR: {
-			const char *key_name = &rules->buf[cur->key.attr_off];
-			char attr[UTIL_PATH_SIZE];
-			char value[UTIL_NAME_SIZE];
-			FILE *f;
-
-			if (util_resolve_subsys_kernel(event->udev, key_name, attr, sizeof(attr), 0) != 0)
-				util_strscpyl(attr, sizeof(attr), udev_device_get_syspath(event->dev), "/", key_name, NULL);
-			attr_subst_subdir(attr, sizeof(attr));
-
-			udev_event_apply_format(event, &rules->buf[cur->key.value_off], value, sizeof(value));
-			info(event->udev, "ATTR '%s' writing '%s' %s:%u\n", attr, value,
-			     &rules->buf[rule->rule.filename_off],
-			     rule->rule.filename_line);
-			f = fopen(attr, "w");
-			if (f != NULL) {
-				if (fprintf(f, "%s", value) <= 0)
-					err(event->udev, "error writing ATTR{%s}: %m\n", attr);
-				fclose(f);
-			} else {
-				err(event->udev, "error opening ATTR{%s} for writing: %m\n", attr);
-			}
-			break;
-		}
-		case TK_A_RUN: {
-			if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
-				udev_list_cleanup(&event->run_list);
-			info(event->udev, "RUN '%s' %s:%u\n",
-			     &rules->buf[cur->key.value_off],
-			     &rules->buf[rule->rule.filename_off],
-			     rule->rule.filename_line);
-			udev_list_entry_add(&event->run_list, &rules->buf[cur->key.value_off], NULL);
-			break;
-		}
-		case TK_A_GOTO:
-			if (cur->key.rule_goto == 0)
-				break;
-			cur = &rules->tokens[cur->key.rule_goto];
-			continue;
-		case TK_END:
-			return 0;
-
-		case TK_M_PARENTS_MIN:
-		case TK_M_PARENTS_MAX:
-		case TK_M_MAX:
-		case TK_UNSET:
-			err(rules->udev, "wrong type %u\n", cur->type);
-			goto nomatch;
-		}
-
-		cur++;
-		continue;
-	nomatch:
-		/* fast-forward to next rule */
-		cur = rule + rule->rule.token_count;
-		dbg(rules->udev, "forward to rule: %u\n",
-		                 (unsigned int) (cur - rules->tokens));
-	}
+        struct token *cur;
+        struct token *rule;
+        enum escape_type esc = ESCAPE_UNSET;
+        bool can_set_name;
+
+        if (rules->tokens == NULL)
+                return -1;
+
+        can_set_name = ((strcmp(udev_device_get_action(event->dev), "remove") != 0) &&
+                        (major(udev_device_get_devnum(event->dev)) > 0 ||
+                         udev_device_get_ifindex(event->dev) > 0));
+
+        /* loop through token list, match, run actions or forward to next rule */
+        cur = &rules->tokens[0];
+        rule = cur;
+        for (;;) {
+                dump_token(rules, cur);
+                switch (cur->type) {
+                case TK_RULE:
+                        /* current rule */
+                        rule = cur;
+                        /* possibly skip rules which want to set NAME, SYMLINK, OWNER, GROUP, MODE */
+                        if (!can_set_name && rule->rule.can_set_name)
+                                goto nomatch;
+                        esc = ESCAPE_UNSET;
+                        break;
+                case TK_M_ACTION:
+                        if (match_key(rules, cur, udev_device_get_action(event->dev)) != 0)
+                                goto nomatch;
+                        break;
+                case TK_M_DEVPATH:
+                        if (match_key(rules, cur, udev_device_get_devpath(event->dev)) != 0)
+                                goto nomatch;
+                        break;
+                case TK_M_KERNEL:
+                        if (match_key(rules, cur, udev_device_get_sysname(event->dev)) != 0)
+                                goto nomatch;
+                        break;
+                case TK_M_DEVLINK: {
+                        size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
+                        struct udev_list_entry *list_entry;
+                        bool match = false;
+
+                        udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(event->dev)) {
+                                const char *devlink;
+
+                                devlink =  &udev_list_entry_get_name(list_entry)[devlen];
+                                if (match_key(rules, cur, devlink) == 0) {
+                                        match = true;
+                                        break;
+                                }
+                        }
+                        if (!match)
+                                goto nomatch;
+                        break;
+                }
+                case TK_M_NAME:
+                        if (match_key(rules, cur, event->name) != 0)
+                                goto nomatch;
+                        break;
+                case TK_M_ENV: {
+                        const char *key_name = &rules->buf[cur->key.attr_off];
+                        const char *value;
+
+                        value = udev_device_get_property_value(event->dev, key_name);
+                        if (value == NULL) {
+                                dbg(event->udev, "ENV{%s} is not set, treat as empty\n", key_name);
+                                value = "";
+                        }
+                        if (match_key(rules, cur, value))
+                                goto nomatch;
+                        break;
+                }
+                case TK_M_TAG: {
+                        struct udev_list_entry *list_entry;
+                        bool match = false;
+
+                        udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(event->dev)) {
+                                if (strcmp(&rules->buf[cur->key.value_off], udev_list_entry_get_name(list_entry)) == 0) {
+                                        match = true;
+                                        break;
+                                }
+                        }
+                        if (!match && (cur->key.op != OP_NOMATCH))
+                                goto nomatch;
+                        break;
+                }
+                case TK_M_SUBSYSTEM:
+                        if (match_key(rules, cur, udev_device_get_subsystem(event->dev)) != 0)
+                                goto nomatch;
+                        break;
+                case TK_M_DRIVER:
+                        if (match_key(rules, cur, udev_device_get_driver(event->dev)) != 0)
+                                goto nomatch;
+                        break;
+                case TK_M_WAITFOR: {
+                        char filename[UTIL_PATH_SIZE];
+                        int found;
+
+                        udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename));
+                        found = (wait_for_file(event->dev, filename, 10) == 0);
+                        if (!found && (cur->key.op != OP_NOMATCH))
+                                goto nomatch;
+                        break;
+                }
+                case TK_M_ATTR:
+                        if (match_attr(rules, event->dev, event, cur) != 0)
+                                goto nomatch;
+                        break;
+                case TK_M_KERNELS:
+                case TK_M_SUBSYSTEMS:
+                case TK_M_DRIVERS:
+                case TK_M_ATTRS:
+                case TK_M_TAGS: {
+                        struct token *next;
+
+                        /* get whole sequence of parent matches */
+                        next = cur;
+                        while (next->type > TK_M_PARENTS_MIN && next->type < TK_M_PARENTS_MAX)
+                                next++;
+
+                        /* loop over parents */
+                        event->dev_parent = event->dev;
+                        for (;;) {
+                                struct token *key;
+
+                                dbg(event->udev, "parent: '%s'\n", udev_device_get_syspath(event->dev_parent));
+                                /* loop over sequence of parent match keys */
+                                for (key = cur; key < next; key++ ) {
+                                        dump_token(rules, key);
+                                        switch(key->type) {
+                                        case TK_M_KERNELS:
+                                                if (match_key(rules, key, udev_device_get_sysname(event->dev_parent)) != 0)
+                                                        goto try_parent;
+                                                break;
+                                        case TK_M_SUBSYSTEMS:
+                                                if (match_key(rules, key, udev_device_get_subsystem(event->dev_parent)) != 0)
+                                                        goto try_parent;
+                                                break;
+                                        case TK_M_DRIVERS:
+                                                if (match_key(rules, key, udev_device_get_driver(event->dev_parent)) != 0)
+                                                        goto try_parent;
+                                                break;
+                                        case TK_M_ATTRS:
+                                                if (match_attr(rules, event->dev_parent, event, key) != 0)
+                                                        goto try_parent;
+                                                break;
+                                        case TK_M_TAGS: {
+                                                bool match = udev_device_has_tag(event->dev_parent, &rules->buf[cur->key.value_off]);
+
+                                                if (match && key->key.op == OP_NOMATCH)
+                                                        goto try_parent;
+                                                if (!match && key->key.op == OP_MATCH)
+                                                        goto try_parent;
+                                                break;
+                                        }
+                                        default:
+                                                goto nomatch;
+                                        }
+                                        dbg(event->udev, "parent key matched\n");
+                                }
+                                dbg(event->udev, "all parent keys matched\n");
+                                break;
+
+                        try_parent:
+                                event->dev_parent = udev_device_get_parent(event->dev_parent);
+                                if (event->dev_parent == NULL)
+                                        goto nomatch;
+                        }
+                        /* move behind our sequence of parent match keys */
+                        cur = next;
+                        continue;
+                }
+                case TK_M_TEST: {
+                        char filename[UTIL_PATH_SIZE];
+                        struct stat statbuf;
+                        int match;
+
+                        udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename));
+                        if (util_resolve_subsys_kernel(event->udev, filename, filename, sizeof(filename), 0) != 0) {
+                                if (filename[0] != '/') {
+                                        char tmp[UTIL_PATH_SIZE];
+
+                                        util_strscpy(tmp, sizeof(tmp), filename);
+                                        util_strscpyl(filename, sizeof(filename),
+                                                      udev_device_get_syspath(event->dev), "/", tmp, NULL);
+                                }
+                        }
+                        attr_subst_subdir(filename, sizeof(filename));
+
+                        match = (stat(filename, &statbuf) == 0);
+                        dbg(event->udev, "'%s' %s", filename, match ? "exists\n" : "does not exist\n");
+                        if (match && cur->key.mode > 0) {
+                                match = ((statbuf.st_mode & cur->key.mode) > 0);
+                                dbg(event->udev, "'%s' has mode=%#o and %s %#o\n", filename, statbuf.st_mode,
+                                    match ? "matches" : "does not match", cur->key.mode);
+                        }
+                        if (match && cur->key.op == OP_NOMATCH)
+                                goto nomatch;
+                        if (!match && cur->key.op == OP_MATCH)
+                                goto nomatch;
+                        break;
+                }
+                case TK_M_EVENT_TIMEOUT:
+                        info(event->udev, "OPTIONS event_timeout=%u\n", cur->key.event_timeout);
+                        event->timeout_usec = cur->key.event_timeout * 1000 * 1000;
+                        break;
+                case TK_M_PROGRAM: {
+                        char program[UTIL_PATH_SIZE];
+                        char **envp;
+                        char result[UTIL_PATH_SIZE];
+
+                        free(event->program_result);
+                        event->program_result = NULL;
+                        udev_event_apply_format(event, &rules->buf[cur->key.value_off], program, sizeof(program));
+                        envp = udev_device_get_properties_envp(event->dev);
+                        info(event->udev, "PROGRAM '%s' %s:%u\n",
+                             program,
+                             &rules->buf[rule->rule.filename_off],
+                             rule->rule.filename_line);
+
+                        if (udev_event_spawn(event, program, envp, sigmask, result, sizeof(result)) < 0) {
+                                if (cur->key.op != OP_NOMATCH)
+                                        goto nomatch;
+                        } else {
+                                int count;
+
+                                util_remove_trailing_chars(result, '\n');
+                                if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
+                                        count = util_replace_chars(result, UDEV_ALLOWED_CHARS_INPUT);
+                                        if (count > 0)
+                                                info(event->udev, "%i character(s) replaced\n" , count);
+                                }
+                                event->program_result = strdup(result);
+                                dbg(event->udev, "storing result '%s'\n", event->program_result);
+                                if (cur->key.op == OP_NOMATCH)
+                                        goto nomatch;
+                        }
+                        break;
+                }
+                case TK_M_IMPORT_FILE: {
+                        char import[UTIL_PATH_SIZE];
+
+                        udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
+                        if (import_file_into_properties(event->dev, import) != 0)
+                                if (cur->key.op != OP_NOMATCH)
+                                        goto nomatch;
+                        break;
+                }
+                case TK_M_IMPORT_PROG: {
+                        char import[UTIL_PATH_SIZE];
+
+                        udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
+                        info(event->udev, "IMPORT '%s' %s:%u\n",
+                             import,
+                             &rules->buf[rule->rule.filename_off],
+                             rule->rule.filename_line);
+
+                        if (import_program_into_properties(event, import, sigmask) != 0)
+                                if (cur->key.op != OP_NOMATCH)
+                                        goto nomatch;
+                        break;
+                }
+                case TK_M_IMPORT_BUILTIN: {
+                        char command[UTIL_PATH_SIZE];
+
+                        if (udev_builtin_run_once(cur->key.builtin_cmd)) {
+                                /* check if we ran already */
+                                if (event->builtin_run & (1 << cur->key.builtin_cmd)) {
+                                        info(event->udev, "IMPORT builtin skip '%s' %s:%u\n",
+                                             udev_builtin_name(cur->key.builtin_cmd),
+                                             &rules->buf[rule->rule.filename_off],
+                                             rule->rule.filename_line);
+                                        /* return the result from earlier run */
+                                        if (event->builtin_ret & (1 << cur->key.builtin_cmd))
+                                        if (cur->key.op != OP_NOMATCH)
+                                                        goto nomatch;
+                                        break;
+                                }
+                                /* mark as ran */
+                                event->builtin_run |= (1 << cur->key.builtin_cmd);
+                        }
+
+                        udev_event_apply_format(event, &rules->buf[cur->key.value_off], command, sizeof(command));
+                        info(event->udev, "IMPORT builtin '%s' %s:%u\n",
+                             udev_builtin_name(cur->key.builtin_cmd),
+                             &rules->buf[rule->rule.filename_off],
+                             rule->rule.filename_line);
+
+                        if (udev_builtin_run(event->dev, cur->key.builtin_cmd, command, false) != 0) {
+                                /* remember failure */
+                                info(rules->udev, "IMPORT builtin '%s' returned non-zero\n",
+                                     udev_builtin_name(cur->key.builtin_cmd));
+                                event->builtin_ret |= (1 << cur->key.builtin_cmd);
+                                if (cur->key.op != OP_NOMATCH)
+                                        goto nomatch;
+                        }
+                        break;
+                }
+                case TK_M_IMPORT_DB: {
+                        const char *key = &rules->buf[cur->key.value_off];
+                        const char *value;
+
+                        value = udev_device_get_property_value(event->dev_db, key);
+                        if (value != NULL) {
+                                struct udev_list_entry *entry;
+
+                                entry = udev_device_add_property(event->dev, key, value);
+                                udev_list_entry_set_num(entry, true);
+                        } else {
+                                if (cur->key.op != OP_NOMATCH)
+                                        goto nomatch;
+                        }
+                        break;
+                }
+                case TK_M_IMPORT_CMDLINE: {
+                        FILE *f;
+                        bool imported = false;
+
+                        f = fopen("/proc/cmdline", "r");
+                        if (f != NULL) {
+                                char cmdline[4096];
+
+                                if (fgets(cmdline, sizeof(cmdline), f) != NULL) {
+                                        const char *key = &rules->buf[cur->key.value_off];
+                                        char *pos;
+
+                                        pos = strstr(cmdline, key);
+                                        if (pos != NULL) {
+                                                struct udev_list_entry *entry;
+
+                                                pos += strlen(key);
+                                                if (pos[0] == '\0' || isspace(pos[0])) {
+                                                        /* we import simple flags as 'FLAG=1' */
+                                                        entry = udev_device_add_property(event->dev, key, "1");
+                                                        udev_list_entry_set_num(entry, true);
+                                                        imported = true;
+                                                } else if (pos[0] == '=') {
+                                                        const char *value;
+
+                                                        pos++;
+                                                        value = pos;
+                                                        while (pos[0] != '\0' && !isspace(pos[0]))
+                                                                pos++;
+                                                        pos[0] = '\0';
+                                                        entry = udev_device_add_property(event->dev, key, value);
+                                                        udev_list_entry_set_num(entry, true);
+                                                        imported = true;
+                                                }
+                                        }
+                                }
+                                fclose(f);
+                        }
+                        if (!imported && cur->key.op != OP_NOMATCH)
+                                goto nomatch;
+                        break;
+                }
+                case TK_M_IMPORT_PARENT: {
+                        char import[UTIL_PATH_SIZE];
+
+                        udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
+                        if (import_parent_into_properties(event->dev, import) != 0)
+                                if (cur->key.op != OP_NOMATCH)
+                                        goto nomatch;
+                        break;
+                }
+                case TK_M_RESULT:
+                        if (match_key(rules, cur, event->program_result) != 0)
+                                goto nomatch;
+                        break;
+                case TK_A_STRING_ESCAPE_NONE:
+                        esc = ESCAPE_NONE;
+                        break;
+                case TK_A_STRING_ESCAPE_REPLACE:
+                        esc = ESCAPE_REPLACE;
+                        break;
+                case TK_A_DB_PERSIST:
+                        udev_device_set_db_persist(event->dev);
+                        break;
+                case TK_A_INOTIFY_WATCH:
+                        if (event->inotify_watch_final)
+                                break;
+                        if (cur->key.op == OP_ASSIGN_FINAL)
+                                event->inotify_watch_final = true;
+                        event->inotify_watch = cur->key.watch;
+                        break;
+                case TK_A_DEVLINK_PRIO:
+                        udev_device_set_devlink_priority(event->dev, cur->key.devlink_prio);
+                        break;
+                case TK_A_OWNER: {
+                        char owner[UTIL_NAME_SIZE];
+
+                        if (event->owner_final)
+                                break;
+                        if (cur->key.op == OP_ASSIGN_FINAL)
+                                event->owner_final = true;
+                        udev_event_apply_format(event, &rules->buf[cur->key.value_off], owner, sizeof(owner));
+                        event->uid = util_lookup_user(event->udev, owner);
+                        info(event->udev, "OWNER %u %s:%u\n",
+                             event->uid,
+                             &rules->buf[rule->rule.filename_off],
+                             rule->rule.filename_line);
+                        break;
+                }
+                case TK_A_GROUP: {
+                        char group[UTIL_NAME_SIZE];
+
+                        if (event->group_final)
+                                break;
+                        if (cur->key.op == OP_ASSIGN_FINAL)
+                                event->group_final = true;
+                        udev_event_apply_format(event, &rules->buf[cur->key.value_off], group, sizeof(group));
+                        event->gid = util_lookup_group(event->udev, group);
+                        info(event->udev, "GROUP %u %s:%u\n",
+                             event->gid,
+                             &rules->buf[rule->rule.filename_off],
+                             rule->rule.filename_line);
+                        break;
+                }
+                case TK_A_MODE: {
+                        char mode_str[UTIL_NAME_SIZE];
+                        mode_t mode;
+                        char *endptr;
+
+                        if (event->mode_final)
+                                break;
+                        udev_event_apply_format(event, &rules->buf[cur->key.value_off], mode_str, sizeof(mode_str));
+                        mode = strtol(mode_str, &endptr, 8);
+                        if (endptr[0] != '\0') {
+                                err(event->udev, "ignoring invalid mode '%s'\n", mode_str);
+                                break;
+                        }
+                        if (cur->key.op == OP_ASSIGN_FINAL)
+                                event->mode_final = true;
+                        event->mode_set = true;
+                        event->mode = mode;
+                        info(event->udev, "MODE %#o %s:%u\n",
+                             event->mode,
+                             &rules->buf[rule->rule.filename_off],
+                             rule->rule.filename_line);
+                        break;
+                }
+                case TK_A_OWNER_ID:
+                        if (event->owner_final)
+                                break;
+                        if (cur->key.op == OP_ASSIGN_FINAL)
+                                event->owner_final = true;
+                        event->uid = cur->key.uid;
+                        info(event->udev, "OWNER %u %s:%u\n",
+                             event->uid,
+                             &rules->buf[rule->rule.filename_off],
+                             rule->rule.filename_line);
+                        break;
+                case TK_A_GROUP_ID:
+                        if (event->group_final)
+                                break;
+                        if (cur->key.op == OP_ASSIGN_FINAL)
+                                event->group_final = true;
+                        event->gid = cur->key.gid;
+                        info(event->udev, "GROUP %u %s:%u\n",
+                             event->gid,
+                             &rules->buf[rule->rule.filename_off],
+                             rule->rule.filename_line);
+                        break;
+                case TK_A_MODE_ID:
+                        if (event->mode_final)
+                                break;
+                        if (cur->key.op == OP_ASSIGN_FINAL)
+                                event->mode_final = true;
+                        event->mode_set = true;
+                        event->mode = cur->key.mode;
+                        info(event->udev, "MODE %#o %s:%u\n",
+                             event->mode,
+                             &rules->buf[rule->rule.filename_off],
+                             rule->rule.filename_line);
+                        break;
+                case TK_A_ENV: {
+                        const char *name = &rules->buf[cur->key.attr_off];
+                        char *value = &rules->buf[cur->key.value_off];
+
+                        if (value[0] != '\0') {
+                                char temp_value[UTIL_NAME_SIZE];
+                                struct udev_list_entry *entry;
+
+                                udev_event_apply_format(event, value, temp_value, sizeof(temp_value));
+                                entry = udev_device_add_property(event->dev, name, temp_value);
+                                /* store in db, skip private keys */
+                                if (name[0] != '.')
+                                        udev_list_entry_set_num(entry, true);
+                        } else {
+                                udev_device_add_property(event->dev, name, NULL);
+                        }
+                        break;
+                }
+                case TK_A_TAG: {
+                        char tag[UTIL_PATH_SIZE];
+                        const char *p;
+
+                        udev_event_apply_format(event, &rules->buf[cur->key.value_off], tag, sizeof(tag));
+                        if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
+                                udev_device_cleanup_tags_list(event->dev);
+                        for (p = tag; *p != '\0'; p++) {
+                                if ((*p >= 'a' && *p <= 'z') ||
+                                    (*p >= 'A' && *p <= 'Z') ||
+                                    (*p >= '0' && *p <= '9') ||
+                                    *p == '-' || *p == '_')
+                                        continue;
+                                err(event->udev, "ignoring invalid tag name '%s'\n", tag);
+                                break;
+                        }
+                        udev_device_add_tag(event->dev, tag);
+                        break;
+                }
+                case TK_A_NAME: {
+                        const char *name  = &rules->buf[cur->key.value_off];
+                        char name_str[UTIL_PATH_SIZE];
+                        int count;
+
+                        if (event->name_final)
+                                break;
+                        if (cur->key.op == OP_ASSIGN_FINAL)
+                                event->name_final = true;
+                        udev_event_apply_format(event, name, name_str, sizeof(name_str));
+                        if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
+                                count = util_replace_chars(name_str, "/");
+                                if (count > 0)
+                                        info(event->udev, "%i character(s) replaced\n", count);
+                        }
+                        free(event->name);
+                        event->name = strdup(name_str);
+                        info(event->udev, "NAME '%s' %s:%u\n",
+                             event->name,
+                             &rules->buf[rule->rule.filename_off],
+                             rule->rule.filename_line);
+                        break;
+                }
+                case TK_A_DEVLINK: {
+                        char temp[UTIL_PATH_SIZE];
+                        char filename[UTIL_PATH_SIZE];
+                        char *pos, *next;
+                        int count = 0;
+
+                        if (event->devlink_final)
+                                break;
+                        if (major(udev_device_get_devnum(event->dev)) == 0)
+                                break;
+                        if (cur->key.op == OP_ASSIGN_FINAL)
+                                event->devlink_final = true;
+                        if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
+                                udev_device_cleanup_devlinks_list(event->dev);
+
+                        /* allow  multiple symlinks separated by spaces */
+                        udev_event_apply_format(event, &rules->buf[cur->key.value_off], temp, sizeof(temp));
+                        if (esc == ESCAPE_UNSET)
+                                count = util_replace_chars(temp, "/ ");
+                        else if (esc == ESCAPE_REPLACE)
+                                count = util_replace_chars(temp, "/");
+                        if (count > 0)
+                                info(event->udev, "%i character(s) replaced\n" , count);
+                        dbg(event->udev, "rule applied, added symlink(s) '%s'\n", temp);
+                        pos = temp;
+                        while (isspace(pos[0]))
+                                pos++;
+                        next = strchr(pos, ' ');
+                        while (next != NULL) {
+                                next[0] = '\0';
+                                info(event->udev, "LINK '%s' %s:%u\n", pos,
+                                     &rules->buf[rule->rule.filename_off], rule->rule.filename_line);
+                                util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
+                                udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique);
+                                while (isspace(next[1]))
+                                        next++;
+                                pos = &next[1];
+                                next = strchr(pos, ' ');
+                        }
+                        if (pos[0] != '\0') {
+                                info(event->udev, "LINK '%s' %s:%u\n", pos,
+                                     &rules->buf[rule->rule.filename_off], rule->rule.filename_line);
+                                util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
+                                udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique);
+                        }
+                        break;
+                }
+                case TK_A_ATTR: {
+                        const char *key_name = &rules->buf[cur->key.attr_off];
+                        char attr[UTIL_PATH_SIZE];
+                        char value[UTIL_NAME_SIZE];
+                        FILE *f;
+
+                        if (util_resolve_subsys_kernel(event->udev, key_name, attr, sizeof(attr), 0) != 0)
+                                util_strscpyl(attr, sizeof(attr), udev_device_get_syspath(event->dev), "/", key_name, NULL);
+                        attr_subst_subdir(attr, sizeof(attr));
+
+                        udev_event_apply_format(event, &rules->buf[cur->key.value_off], value, sizeof(value));
+                        info(event->udev, "ATTR '%s' writing '%s' %s:%u\n", attr, value,
+                             &rules->buf[rule->rule.filename_off],
+                             rule->rule.filename_line);
+                        f = fopen(attr, "w");
+                        if (f != NULL) {
+                                if (fprintf(f, "%s", value) <= 0)
+                                        err(event->udev, "error writing ATTR{%s}: %m\n", attr);
+                                fclose(f);
+                        } else {
+                                err(event->udev, "error opening ATTR{%s} for writing: %m\n", attr);
+                        }
+                        break;
+                }
+                case TK_A_RUN: {
+                        if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
+                                udev_list_cleanup(&event->run_list);
+                        info(event->udev, "RUN '%s' %s:%u\n",
+                             &rules->buf[cur->key.value_off],
+                             &rules->buf[rule->rule.filename_off],
+                             rule->rule.filename_line);
+                        udev_list_entry_add(&event->run_list, &rules->buf[cur->key.value_off], NULL);
+                        break;
+                }
+                case TK_A_GOTO:
+                        if (cur->key.rule_goto == 0)
+                                break;
+                        cur = &rules->tokens[cur->key.rule_goto];
+                        continue;
+                case TK_END:
+                        return 0;
+
+                case TK_M_PARENTS_MIN:
+                case TK_M_PARENTS_MAX:
+                case TK_M_MAX:
+                case TK_UNSET:
+                        err(rules->udev, "wrong type %u\n", cur->type);
+                        goto nomatch;
+                }
+
+                cur++;
+                continue;
+        nomatch:
+                /* fast-forward to next rule */
+                cur = rule + rule->rule.token_count;
+                dbg(rules->udev, "forward to rule: %u\n",
+                                 (unsigned int) (cur - rules->tokens));
+        }
 }
 
 void udev_rules_apply_static_dev_perms(struct udev_rules *rules)
 {
-	struct token *cur;
-	struct token *rule;
-	uid_t uid = 0;
-	gid_t gid = 0;
-	mode_t mode = 0;
-
-	if (rules->tokens == NULL)
-		return;
-
-	cur = &rules->tokens[0];
-	rule = cur;
-	for (;;) {
-		switch (cur->type) {
-		case TK_RULE:
-			/* current rule */
-			rule = cur;
-
-			/* skip rules without a static_node tag */
-			if (!rule->rule.has_static_node)
-				goto next;
-
-			uid = 0;
-			gid = 0;
-			mode = 0;
-			break;
-		case TK_A_OWNER_ID:
-			uid = cur->key.uid;
-			break;
-		case TK_A_GROUP_ID:
-			gid = cur->key.gid;
-			break;
-		case TK_A_MODE_ID:
-			mode = cur->key.mode;
-			break;
-		case TK_A_STATIC_NODE: {
-			char filename[UTIL_PATH_SIZE];
-			struct stat stats;
-
-			/* we assure, that the permissions tokens are sorted before the static token */
-			if (mode == 0 && uid == 0 && gid == 0)
-				goto next;
-			util_strscpyl(filename, sizeof(filename), udev_get_dev_path(rules->udev), "/",
-				      &rules->buf[cur->key.value_off], NULL);
-			if (stat(filename, &stats) != 0)
-				goto next;
-			if (!S_ISBLK(stats.st_mode) && !S_ISCHR(stats.st_mode))
-				goto next;
-			if (mode == 0) {
-				if (gid > 0)
-					mode = 0660;
-				else
-					mode = 0600;
-			}
-			if (mode != (stats.st_mode & 01777)) {
-				chmod(filename, mode);
-				info(rules->udev, "chmod '%s' %#o\n", filename, mode);
-			}
-
-			if ((uid != 0 && uid != stats.st_uid) || (gid != 0 && gid != stats.st_gid)) {
-				chown(filename, uid, gid);
-				info(rules->udev, "chown '%s' %u %u\n", filename, uid, gid);
-			}
-
-			utimensat(AT_FDCWD, filename, NULL, 0);
-			break;
-		}
-		case TK_END:
-			return;
-		}
-
-		cur++;
-		continue;
+        struct token *cur;
+        struct token *rule;
+        uid_t uid = 0;
+        gid_t gid = 0;
+        mode_t mode = 0;
+
+        if (rules->tokens == NULL)
+                return;
+
+        cur = &rules->tokens[0];
+        rule = cur;
+        for (;;) {
+                switch (cur->type) {
+                case TK_RULE:
+                        /* current rule */
+                        rule = cur;
+
+                        /* skip rules without a static_node tag */
+                        if (!rule->rule.has_static_node)
+                                goto next;
+
+                        uid = 0;
+                        gid = 0;
+                        mode = 0;
+                        break;
+                case TK_A_OWNER_ID:
+                        uid = cur->key.uid;
+                        break;
+                case TK_A_GROUP_ID:
+                        gid = cur->key.gid;
+                        break;
+                case TK_A_MODE_ID:
+                        mode = cur->key.mode;
+                        break;
+                case TK_A_STATIC_NODE: {
+                        char filename[UTIL_PATH_SIZE];
+                        struct stat stats;
+
+                        /* we assure, that the permissions tokens are sorted before the static token */
+                        if (mode == 0 && uid == 0 && gid == 0)
+                                goto next;
+                        util_strscpyl(filename, sizeof(filename), udev_get_dev_path(rules->udev), "/",
+                                      &rules->buf[cur->key.value_off], NULL);
+                        if (stat(filename, &stats) != 0)
+                                goto next;
+                        if (!S_ISBLK(stats.st_mode) && !S_ISCHR(stats.st_mode))
+                                goto next;
+                        if (mode == 0) {
+                                if (gid > 0)
+                                        mode = 0660;
+                                else
+                                        mode = 0600;
+                        }
+                        if (mode != (stats.st_mode & 01777)) {
+                                chmod(filename, mode);
+                                info(rules->udev, "chmod '%s' %#o\n", filename, mode);
+                        }
+
+                        if ((uid != 0 && uid != stats.st_uid) || (gid != 0 && gid != stats.st_gid)) {
+                                chown(filename, uid, gid);
+                                info(rules->udev, "chown '%s' %u %u\n", filename, uid, gid);
+                        }
+
+                        utimensat(AT_FDCWD, filename, NULL, 0);
+                        break;
+                }
+                case TK_END:
+                        return;
+                }
+
+                cur++;
+                continue;
 next:
-		/* fast-forward to next rule */
-		cur = rule + rule->rule.token_count;
-		continue;
-	}
+                /* fast-forward to next rule */
+                cur = rule + rule->rule.token_count;
+                continue;
+        }
 }
diff --git a/src/udev-watch.c b/src/udev-watch.c
index 0ec8bfd6..228d18fe 100644
--- a/src/udev-watch.c
+++ b/src/udev-watch.c
@@ -38,10 +38,10 @@ static int inotify_fd = -1;
  */
 int udev_watch_init(struct udev *udev)
 {
-	inotify_fd = inotify_init1(IN_CLOEXEC);
-	if (inotify_fd < 0)
-		err(udev, "inotify_init failed: %m\n");
-	return inotify_fd;
+        inotify_fd = inotify_init1(IN_CLOEXEC);
+        if (inotify_fd < 0)
+                err(udev, "inotify_init failed: %m\n");
+        return inotify_fd;
 }
 
 /* move any old watches directory out of the way, and then restore
@@ -49,122 +49,122 @@ int udev_watch_init(struct udev *udev)
  */
 void udev_watch_restore(struct udev *udev)
 {
-	char filename[UTIL_PATH_SIZE], oldname[UTIL_PATH_SIZE];
-
-	if (inotify_fd < 0)
-		return;
-
-	util_strscpyl(oldname, sizeof(oldname), udev_get_run_path(udev), "/watch.old", NULL);
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL);
-	if (rename(filename, oldname) == 0) {
-		DIR *dir;
-		struct dirent *ent;
-
-		dir = opendir(oldname);
-		if (dir == NULL) {
-			err(udev, "unable to open old watches dir '%s', old watches will not be restored: %m", oldname);
-			return;
-		}
-
-		for (ent = readdir(dir); ent != NULL; ent = readdir(dir)) {
-			char device[UTIL_PATH_SIZE];
-			char *s;
-			size_t l;
-			ssize_t len;
-			struct udev_device *dev;
-
-			if (ent->d_name[0] == '.')
-				continue;
-
-			s = device;
-			l = util_strpcpy(&s, sizeof(device), udev_get_sys_path(udev));
-			len = readlinkat(dirfd(dir), ent->d_name, s, l);
-			if (len <= 0 || len == (ssize_t)l)
-				goto unlink;
-			s[len] = '\0';
-
-			dev = udev_device_new_from_id_filename(udev, s);
-			if (dev == NULL)
-				goto unlink;
-
-			info(udev, "restoring old watch on '%s'\n", udev_device_get_devnode(dev));
-			udev_watch_begin(udev, dev);
-			udev_device_unref(dev);
+        char filename[UTIL_PATH_SIZE], oldname[UTIL_PATH_SIZE];
+
+        if (inotify_fd < 0)
+                return;
+
+        util_strscpyl(oldname, sizeof(oldname), udev_get_run_path(udev), "/watch.old", NULL);
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL);
+        if (rename(filename, oldname) == 0) {
+                DIR *dir;
+                struct dirent *ent;
+
+                dir = opendir(oldname);
+                if (dir == NULL) {
+                        err(udev, "unable to open old watches dir '%s', old watches will not be restored: %m", oldname);
+                        return;
+                }
+
+                for (ent = readdir(dir); ent != NULL; ent = readdir(dir)) {
+                        char device[UTIL_PATH_SIZE];
+                        char *s;
+                        size_t l;
+                        ssize_t len;
+                        struct udev_device *dev;
+
+                        if (ent->d_name[0] == '.')
+                                continue;
+
+                        s = device;
+                        l = util_strpcpy(&s, sizeof(device), udev_get_sys_path(udev));
+                        len = readlinkat(dirfd(dir), ent->d_name, s, l);
+                        if (len <= 0 || len == (ssize_t)l)
+                                goto unlink;
+                        s[len] = '\0';
+
+                        dev = udev_device_new_from_id_filename(udev, s);
+                        if (dev == NULL)
+                                goto unlink;
+
+                        info(udev, "restoring old watch on '%s'\n", udev_device_get_devnode(dev));
+                        udev_watch_begin(udev, dev);
+                        udev_device_unref(dev);
 unlink:
-			unlinkat(dirfd(dir), ent->d_name, 0);
-		}
+                        unlinkat(dirfd(dir), ent->d_name, 0);
+                }
 
-		closedir(dir);
-		rmdir(oldname);
+                closedir(dir);
+                rmdir(oldname);
 
-	} else if (errno != ENOENT) {
-		err(udev, "unable to move watches dir '%s', old watches will not be restored: %m", filename);
-	}
+        } else if (errno != ENOENT) {
+                err(udev, "unable to move watches dir '%s', old watches will not be restored: %m", filename);
+        }
 }
 
 void udev_watch_begin(struct udev *udev, struct udev_device *dev)
 {
-	char filename[UTIL_PATH_SIZE];
-	int wd;
-
-	if (inotify_fd < 0)
-		return;
-
-	info(udev, "adding watch on '%s'\n", udev_device_get_devnode(dev));
-	wd = inotify_add_watch(inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE);
-	if (wd < 0) {
-		err(udev, "inotify_add_watch(%d, %s, %o) failed: %m\n",
-		    inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE);
-		return;
-	}
-
-	snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd);
-	util_create_path(udev, filename);
-	unlink(filename);
-	symlink(udev_device_get_id_filename(dev), filename);
-
-	udev_device_set_watch_handle(dev, wd);
+        char filename[UTIL_PATH_SIZE];
+        int wd;
+
+        if (inotify_fd < 0)
+                return;
+
+        info(udev, "adding watch on '%s'\n", udev_device_get_devnode(dev));
+        wd = inotify_add_watch(inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE);
+        if (wd < 0) {
+                err(udev, "inotify_add_watch(%d, %s, %o) failed: %m\n",
+                    inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE);
+                return;
+        }
+
+        snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd);
+        util_create_path(udev, filename);
+        unlink(filename);
+        symlink(udev_device_get_id_filename(dev), filename);
+
+        udev_device_set_watch_handle(dev, wd);
 }
 
 void udev_watch_end(struct udev *udev, struct udev_device *dev)
 {
-	int wd;
-	char filename[UTIL_PATH_SIZE];
+        int wd;
+        char filename[UTIL_PATH_SIZE];
 
-	if (inotify_fd < 0)
-		return;
+        if (inotify_fd < 0)
+                return;
 
-	wd = udev_device_get_watch_handle(dev);
-	if (wd < 0)
-		return;
+        wd = udev_device_get_watch_handle(dev);
+        if (wd < 0)
+                return;
 
-	info(udev, "removing watch on '%s'\n", udev_device_get_devnode(dev));
-	inotify_rm_watch(inotify_fd, wd);
+        info(udev, "removing watch on '%s'\n", udev_device_get_devnode(dev));
+        inotify_rm_watch(inotify_fd, wd);
 
-	snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd);
-	unlink(filename);
+        snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd);
+        unlink(filename);
 
-	udev_device_set_watch_handle(dev, -1);
+        udev_device_set_watch_handle(dev, -1);
 }
 
 struct udev_device *udev_watch_lookup(struct udev *udev, int wd)
 {
-	char filename[UTIL_PATH_SIZE];
-	char majmin[UTIL_PATH_SIZE];
-	char *s;
-	size_t l;
-	ssize_t len;
-
-	if (inotify_fd < 0 || wd < 0)
-		return NULL;
-
-	snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd);
-	s = majmin;
-	l = util_strpcpy(&s, sizeof(majmin), udev_get_sys_path(udev));
-	len = readlink(filename, s, l);
-	if (len <= 0 || (size_t)len == l)
-		return NULL;
-	s[len] = '\0';
-
-	return udev_device_new_from_id_filename(udev, s);
+        char filename[UTIL_PATH_SIZE];
+        char majmin[UTIL_PATH_SIZE];
+        char *s;
+        size_t l;
+        ssize_t len;
+
+        if (inotify_fd < 0 || wd < 0)
+                return NULL;
+
+        snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd);
+        s = majmin;
+        l = util_strpcpy(&s, sizeof(majmin), udev_get_sys_path(udev));
+        len = readlink(filename, s, l);
+        if (len <= 0 || (size_t)len == l)
+                return NULL;
+        s[len] = '\0';
+
+        return udev_device_new_from_id_filename(udev, s);
 }
diff --git a/src/udev.h b/src/udev.h
index 56b1652c..9ed6804f 100644
--- a/src/udev.h
+++ b/src/udev.h
@@ -27,38 +27,38 @@
 #include "libudev-private.h"
 
 struct udev_event {
-	struct udev *udev;
-	struct udev_device *dev;
-	struct udev_device *dev_parent;
-	struct udev_device *dev_db;
-	char *name;
-	char *program_result;
-	mode_t mode;
-	uid_t uid;
-	gid_t gid;
-	struct udev_list run_list;
-	int exec_delay;
-	unsigned long long birth_usec;
-	unsigned long long timeout_usec;
-	int fd_signal;
-	unsigned int builtin_run;
-	unsigned int builtin_ret;
-	bool sigterm;
-	bool inotify_watch;
-	bool inotify_watch_final;
-	bool group_final;
-	bool owner_final;
-	bool mode_set;
-	bool mode_final;
-	bool name_final;
-	bool devlink_final;
-	bool run_final;
+        struct udev *udev;
+        struct udev_device *dev;
+        struct udev_device *dev_parent;
+        struct udev_device *dev_db;
+        char *name;
+        char *program_result;
+        mode_t mode;
+        uid_t uid;
+        gid_t gid;
+        struct udev_list run_list;
+        int exec_delay;
+        unsigned long long birth_usec;
+        unsigned long long timeout_usec;
+        int fd_signal;
+        unsigned int builtin_run;
+        unsigned int builtin_ret;
+        bool sigterm;
+        bool inotify_watch;
+        bool inotify_watch_final;
+        bool group_final;
+        bool owner_final;
+        bool mode_set;
+        bool mode_final;
+        bool name_final;
+        bool devlink_final;
+        bool run_final;
 };
 
 struct udev_watch {
-	struct udev_list_node node;
-	int handle;
-	char *name;
+        struct udev_list_node node;
+        int handle;
+        char *name;
 };
 
 /* udev-rules.c */
@@ -73,10 +73,10 @@ struct udev_event *udev_event_new(struct udev_device *dev);
 void udev_event_unref(struct udev_event *event);
 size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size);
 int udev_event_apply_subsys_kernel(struct udev_event *event, const char *string,
-				   char *result, size_t maxsize, int read_value);
+                                   char *result, size_t maxsize, int read_value);
 int udev_event_spawn(struct udev_event *event,
-		     const char *cmd, char **envp, const sigset_t *sigmask,
-		     char *result, size_t ressize);
+                     const char *cmd, char **envp, const sigset_t *sigmask,
+                     char *result, size_t ressize);
 int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigset);
 int udev_event_execute_run(struct udev_event *event, const sigset_t *sigset);
 int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[]);
@@ -130,24 +130,24 @@ int udev_ctrl_get_set_children_max(struct udev_ctrl_msg *ctrl_msg);
 
 /* built-in commands */
 enum udev_builtin_cmd {
-	UDEV_BUILTIN_BLKID,
-	UDEV_BUILTIN_FIRMWARE,
-	UDEV_BUILTIN_INPUT_ID,
-	UDEV_BUILTIN_KMOD,
-	UDEV_BUILTIN_PATH_ID,
-	UDEV_BUILTIN_PCI_DB,
-	UDEV_BUILTIN_USB_DB,
-	UDEV_BUILTIN_USB_ID,
-	UDEV_BUILTIN_MAX
+        UDEV_BUILTIN_BLKID,
+        UDEV_BUILTIN_FIRMWARE,
+        UDEV_BUILTIN_INPUT_ID,
+        UDEV_BUILTIN_KMOD,
+        UDEV_BUILTIN_PATH_ID,
+        UDEV_BUILTIN_PCI_DB,
+        UDEV_BUILTIN_USB_DB,
+        UDEV_BUILTIN_USB_ID,
+        UDEV_BUILTIN_MAX
 };
 struct udev_builtin {
-	const char *name;
-	int (*cmd)(struct udev_device *dev, int argc, char *argv[], bool test);
-	const char *help;
-	int (*init)(struct udev *udev);
-	void (*exit)(struct udev *udev);
-	bool (*validate)(struct udev *udev);
-	bool run_once;
+        const char *name;
+        int (*cmd)(struct udev_device *dev, int argc, char *argv[], bool test);
+        const char *help;
+        int (*init)(struct udev *udev);
+        void (*exit)(struct udev *udev);
+        bool (*validate)(struct udev *udev);
+        bool run_once;
 };
 extern const struct udev_builtin udev_builtin_blkid;
 extern const struct udev_builtin udev_builtin_firmware;
@@ -168,15 +168,15 @@ int udev_builtin_add_property(struct udev_device *dev, bool test, const char *ke
 
 /* udev logging */
 void udev_main_log(struct udev *udev, int priority,
-		   const char *file, int line, const char *fn,
-		   const char *format, va_list args);
+                   const char *file, int line, const char *fn,
+                   const char *format, va_list args);
 
 /* udevadm commands */
 struct udevadm_cmd {
-	const char *name;
-	int (*cmd)(struct udev *udev, int argc, char *argv[]);
-	const char *help;
-	int debug;
+        const char *name;
+        int (*cmd)(struct udev *udev, int argc, char *argv[]);
+        const char *help;
+        int debug;
 };
 extern const struct udevadm_cmd udevadm_info;
 extern const struct udevadm_cmd udevadm_trigger;
diff --git a/src/udevadm-control.c b/src/udevadm-control.c
index dd1d5d78..cafa2149 100644
--- a/src/udevadm-control.c
+++ b/src/udevadm-control.c
@@ -29,147 +29,147 @@
 
 static void print_help(void)
 {
-	printf("Usage: udevadm control COMMAND\n"
-		"  --exit                   instruct the daemon to cleanup and exit\n"
-		"  --log-priority=<level>   set the udev log level for the daemon\n"
-		"  --stop-exec-queue        do not execute events, queue only\n"
-		"  --start-exec-queue       execute events, flush queue\n"
-		"  --reload                 reload rules and databases\n"
-		"  --property=<KEY>=<value> set a global property for all events\n"
-		"  --children-max=<N>       maximum number of children\n"
-		"  --timeout=<seconds>      maximum time to block for a reply\n"
-		"  --help                   print this help text\n\n");
+        printf("Usage: udevadm control COMMAND\n"
+                "  --exit                   instruct the daemon to cleanup and exit\n"
+                "  --log-priority=<level>   set the udev log level for the daemon\n"
+                "  --stop-exec-queue        do not execute events, queue only\n"
+                "  --start-exec-queue       execute events, flush queue\n"
+                "  --reload                 reload rules and databases\n"
+                "  --property=<KEY>=<value> set a global property for all events\n"
+                "  --children-max=<N>       maximum number of children\n"
+                "  --timeout=<seconds>      maximum time to block for a reply\n"
+                "  --help                   print this help text\n\n");
 }
 
 static int adm_control(struct udev *udev, int argc, char *argv[])
 {
-	struct udev_ctrl *uctrl = NULL;
-	int timeout = 60;
-	int rc = 1;
+        struct udev_ctrl *uctrl = NULL;
+        int timeout = 60;
+        int rc = 1;
 
-	static const struct option options[] = {
-		{ "exit", no_argument, NULL, 'e' },
-		{ "log-priority", required_argument, NULL, 'l' },
-		{ "stop-exec-queue", no_argument, NULL, 's' },
-		{ "start-exec-queue", no_argument, NULL, 'S' },
-		{ "reload", no_argument, NULL, 'R' },
-		{ "reload-rules", no_argument, NULL, 'R' },
-		{ "property", required_argument, NULL, 'p' },
-		{ "env", required_argument, NULL, 'p' },
-		{ "children-max", required_argument, NULL, 'm' },
-		{ "timeout", required_argument, NULL, 't' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
+        static const struct option options[] = {
+                { "exit", no_argument, NULL, 'e' },
+                { "log-priority", required_argument, NULL, 'l' },
+                { "stop-exec-queue", no_argument, NULL, 's' },
+                { "start-exec-queue", no_argument, NULL, 'S' },
+                { "reload", no_argument, NULL, 'R' },
+                { "reload-rules", no_argument, NULL, 'R' },
+                { "property", required_argument, NULL, 'p' },
+                { "env", required_argument, NULL, 'p' },
+                { "children-max", required_argument, NULL, 'm' },
+                { "timeout", required_argument, NULL, 't' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
 
-	if (getuid() != 0) {
-		fprintf(stderr, "root privileges required\n");
-		return 1;
-	}
+        if (getuid() != 0) {
+                fprintf(stderr, "root privileges required\n");
+                return 1;
+        }
 
-	uctrl = udev_ctrl_new(udev);
-	if (uctrl == NULL)
-		return 2;
+        uctrl = udev_ctrl_new(udev);
+        if (uctrl == NULL)
+                return 2;
 
-	for (;;) {
-		int option;
+        for (;;) {
+                int option;
 
-		option = getopt_long(argc, argv, "el:sSRp:m:h", options, NULL);
-		if (option == -1)
-			break;
+                option = getopt_long(argc, argv, "el:sSRp:m:h", options, NULL);
+                if (option == -1)
+                        break;
 
-		switch (option) {
-		case 'e':
-			if (udev_ctrl_send_exit(uctrl, timeout) < 0)
-				rc = 2;
-			else
-				rc = 0;
-			break;
-		case 'l': {
-			int i;
+                switch (option) {
+                case 'e':
+                        if (udev_ctrl_send_exit(uctrl, timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                case 'l': {
+                        int i;
 
-			i = util_log_priority(optarg);
-			if (i < 0) {
-				fprintf(stderr, "invalid number '%s'\n", optarg);
-				goto out;
-			}
-			if (udev_ctrl_send_set_log_level(uctrl, util_log_priority(optarg), timeout) < 0)
-				rc = 2;
-			else
-				rc = 0;
-			break;
-		}
-		case 's':
-			if (udev_ctrl_send_stop_exec_queue(uctrl, timeout) < 0)
-				rc = 2;
-			else
-				rc = 0;
-			break;
-		case 'S':
-			if (udev_ctrl_send_start_exec_queue(uctrl, timeout) < 0)
-				rc = 2;
-			else
-				rc = 0;
-			break;
-		case 'R':
-			if (udev_ctrl_send_reload(uctrl, timeout) < 0)
-				rc = 2;
-			else
-				rc = 0;
-			break;
-		case 'p':
-			if (strchr(optarg, '=') == NULL) {
-				fprintf(stderr, "expect <KEY>=<value> instead of '%s'\n", optarg);
-				goto out;
-			}
-			if (udev_ctrl_send_set_env(uctrl, optarg, timeout) < 0)
-				rc = 2;
-			else
-				rc = 0;
-			break;
-		case 'm': {
-			char *endp;
-			int i;
+                        i = util_log_priority(optarg);
+                        if (i < 0) {
+                                fprintf(stderr, "invalid number '%s'\n", optarg);
+                                goto out;
+                        }
+                        if (udev_ctrl_send_set_log_level(uctrl, util_log_priority(optarg), timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                }
+                case 's':
+                        if (udev_ctrl_send_stop_exec_queue(uctrl, timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                case 'S':
+                        if (udev_ctrl_send_start_exec_queue(uctrl, timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                case 'R':
+                        if (udev_ctrl_send_reload(uctrl, timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                case 'p':
+                        if (strchr(optarg, '=') == NULL) {
+                                fprintf(stderr, "expect <KEY>=<value> instead of '%s'\n", optarg);
+                                goto out;
+                        }
+                        if (udev_ctrl_send_set_env(uctrl, optarg, timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                case 'm': {
+                        char *endp;
+                        int i;
 
-			i = strtoul(optarg, &endp, 0);
-			if (endp[0] != '\0' || i < 1) {
-				fprintf(stderr, "invalid number '%s'\n", optarg);
-				goto out;
-			}
-			if (udev_ctrl_send_set_children_max(uctrl, i, timeout) < 0)
-				rc = 2;
-			else
-				rc = 0;
-			break;
-		}
-		case 't': {
-			int seconds;
+                        i = strtoul(optarg, &endp, 0);
+                        if (endp[0] != '\0' || i < 1) {
+                                fprintf(stderr, "invalid number '%s'\n", optarg);
+                                goto out;
+                        }
+                        if (udev_ctrl_send_set_children_max(uctrl, i, timeout) < 0)
+                                rc = 2;
+                        else
+                                rc = 0;
+                        break;
+                }
+                case 't': {
+                        int seconds;
 
-			seconds = atoi(optarg);
-			if (seconds >= 0)
-				timeout = seconds;
-			else
-				fprintf(stderr, "invalid timeout value\n");
-			break;
-		}
-		case 'h':
-			print_help();
-			rc = 0;
-			break;
-		}
-	}
+                        seconds = atoi(optarg);
+                        if (seconds >= 0)
+                                timeout = seconds;
+                        else
+                                fprintf(stderr, "invalid timeout value\n");
+                        break;
+                }
+                case 'h':
+                        print_help();
+                        rc = 0;
+                        break;
+                }
+        }
 
-	if (argv[optind] != NULL)
-		fprintf(stderr, "unknown option\n");
-	else if (optind == 1)
-		fprintf(stderr, "missing option\n");
+        if (argv[optind] != NULL)
+                fprintf(stderr, "unknown option\n");
+        else if (optind == 1)
+                fprintf(stderr, "missing option\n");
 out:
-	udev_ctrl_unref(uctrl);
-	return rc;
+        udev_ctrl_unref(uctrl);
+        return rc;
 }
 
 const struct udevadm_cmd udevadm_control = {
-	.name = "control",
-	.cmd = adm_control,
-	.help = "control the udev daemon",
+        .name = "control",
+        .cmd = adm_control,
+        .help = "control the udev daemon",
 };
diff --git a/src/udevadm-info.c b/src/udevadm-info.c
index f7e7e86b..ee9b59fe 100644
--- a/src/udevadm-info.c
+++ b/src/udevadm-info.c
@@ -33,536 +33,536 @@
 
 static bool skip_attribute(const char *name)
 {
-	static const char const *skip[] = {
-		"uevent",
-		"dev",
-		"modalias",
-		"resource",
-		"driver",
-		"subsystem",
-		"module",
-	};
-	unsigned int i;
-
-	for (i = 0; i < ARRAY_SIZE(skip); i++)
-		if (strcmp(name, skip[i]) == 0)
-			return true;
-	return false;
+        static const char const *skip[] = {
+                "uevent",
+                "dev",
+                "modalias",
+                "resource",
+                "driver",
+                "subsystem",
+                "module",
+        };
+        unsigned int i;
+
+        for (i = 0; i < ARRAY_SIZE(skip); i++)
+                if (strcmp(name, skip[i]) == 0)
+                        return true;
+        return false;
 }
 
 static void print_all_attributes(struct udev_device *device, const char *key)
 {
-	struct udev *udev = udev_device_get_udev(device);
-	struct udev_list_entry *sysattr;
-
-	udev_list_entry_foreach(sysattr, udev_device_get_sysattr_list_entry(device)) {
-		const char *name;
-		const char *value;
-		size_t len;
-
-		name = udev_list_entry_get_name(sysattr);
-		if (skip_attribute(name))
-			continue;
-
-		value = udev_device_get_sysattr_value(device, name);
-		if (value == NULL)
-			continue;
-		dbg(udev, "attr '%s'='%s'\n", name, value);
-
-		/* skip any values that look like a path */
-		if (value[0] == '/')
-			continue;
-
-		/* skip nonprintable attributes */
-		len = strlen(value);
-		while (len > 0 && isprint(value[len-1]))
-			len--;
-		if (len > 0) {
-			dbg(udev, "attribute value of '%s' non-printable, skip\n", name);
-			continue;
-		}
-
-		printf("    %s{%s}==\"%s\"\n", key, name, value);
-	}
-	printf("\n");
+        struct udev *udev = udev_device_get_udev(device);
+        struct udev_list_entry *sysattr;
+
+        udev_list_entry_foreach(sysattr, udev_device_get_sysattr_list_entry(device)) {
+                const char *name;
+                const char *value;
+                size_t len;
+
+                name = udev_list_entry_get_name(sysattr);
+                if (skip_attribute(name))
+                        continue;
+
+                value = udev_device_get_sysattr_value(device, name);
+                if (value == NULL)
+                        continue;
+                dbg(udev, "attr '%s'='%s'\n", name, value);
+
+                /* skip any values that look like a path */
+                if (value[0] == '/')
+                        continue;
+
+                /* skip nonprintable attributes */
+                len = strlen(value);
+                while (len > 0 && isprint(value[len-1]))
+                        len--;
+                if (len > 0) {
+                        dbg(udev, "attribute value of '%s' non-printable, skip\n", name);
+                        continue;
+                }
+
+                printf("    %s{%s}==\"%s\"\n", key, name, value);
+        }
+        printf("\n");
 }
 
 static int print_device_chain(struct udev_device *device)
 {
-	struct udev_device *device_parent;
-	const char *str;
-
-	printf("\n"
-	       "Udevadm info starts with the device specified by the devpath and then\n"
-	       "walks up the chain of parent devices. It prints for every device\n"
-	       "found, all possible attributes in the udev rules key format.\n"
-	       "A rule to match, can be composed by the attributes of the device\n"
-	       "and the attributes from one single parent device.\n"
-	       "\n");
-
-	printf("  looking at device '%s':\n", udev_device_get_devpath(device));
-	printf("    KERNEL==\"%s\"\n", udev_device_get_sysname(device));
-	str = udev_device_get_subsystem(device);
-	if (str == NULL)
-		str = "";
-	printf("    SUBSYSTEM==\"%s\"\n", str);
-	str = udev_device_get_driver(device);
-	if (str == NULL)
-		str = "";
-	printf("    DRIVER==\"%s\"\n", str);
-	print_all_attributes(device, "ATTR");
-
-	device_parent = device;
-	do {
-		device_parent = udev_device_get_parent(device_parent);
-		if (device_parent == NULL)
-			break;
-		printf("  looking at parent device '%s':\n", udev_device_get_devpath(device_parent));
-		printf("    KERNELS==\"%s\"\n", udev_device_get_sysname(device_parent));
-		str = udev_device_get_subsystem(device_parent);
-		if (str == NULL)
-			str = "";
-		printf("    SUBSYSTEMS==\"%s\"\n", str);
-		str = udev_device_get_driver(device_parent);
-		if (str == NULL)
-			str = "";
-		printf("    DRIVERS==\"%s\"\n", str);
-		print_all_attributes(device_parent, "ATTRS");
-	} while (device_parent != NULL);
-
-	return 0;
+        struct udev_device *device_parent;
+        const char *str;
+
+        printf("\n"
+               "Udevadm info starts with the device specified by the devpath and then\n"
+               "walks up the chain of parent devices. It prints for every device\n"
+               "found, all possible attributes in the udev rules key format.\n"
+               "A rule to match, can be composed by the attributes of the device\n"
+               "and the attributes from one single parent device.\n"
+               "\n");
+
+        printf("  looking at device '%s':\n", udev_device_get_devpath(device));
+        printf("    KERNEL==\"%s\"\n", udev_device_get_sysname(device));
+        str = udev_device_get_subsystem(device);
+        if (str == NULL)
+                str = "";
+        printf("    SUBSYSTEM==\"%s\"\n", str);
+        str = udev_device_get_driver(device);
+        if (str == NULL)
+                str = "";
+        printf("    DRIVER==\"%s\"\n", str);
+        print_all_attributes(device, "ATTR");
+
+        device_parent = device;
+        do {
+                device_parent = udev_device_get_parent(device_parent);
+                if (device_parent == NULL)
+                        break;
+                printf("  looking at parent device '%s':\n", udev_device_get_devpath(device_parent));
+                printf("    KERNELS==\"%s\"\n", udev_device_get_sysname(device_parent));
+                str = udev_device_get_subsystem(device_parent);
+                if (str == NULL)
+                        str = "";
+                printf("    SUBSYSTEMS==\"%s\"\n", str);
+                str = udev_device_get_driver(device_parent);
+                if (str == NULL)
+                        str = "";
+                printf("    DRIVERS==\"%s\"\n", str);
+                print_all_attributes(device_parent, "ATTRS");
+        } while (device_parent != NULL);
+
+        return 0;
 }
 
 static void print_record(struct udev_device *device)
 {
-	size_t len;
-	const char *str;
-	int i;
-	struct udev_list_entry *list_entry;
-
-	printf("P: %s\n", udev_device_get_devpath(device));
-
-	len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
-	str = udev_device_get_devnode(device);
-	if (str != NULL)
-		printf("N: %s\n", &str[len+1]);
-
-	i = udev_device_get_devlink_priority(device);
-	if (i != 0)
-		printf("L: %i\n", i);
-
-	udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
-		len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
-		printf("S: %s\n", &udev_list_entry_get_name(list_entry)[len+1]);
-	}
-
-	udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device))
-		printf("E: %s=%s\n",
-		       udev_list_entry_get_name(list_entry),
-		       udev_list_entry_get_value(list_entry));
-	printf("\n");
+        size_t len;
+        const char *str;
+        int i;
+        struct udev_list_entry *list_entry;
+
+        printf("P: %s\n", udev_device_get_devpath(device));
+
+        len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
+        str = udev_device_get_devnode(device);
+        if (str != NULL)
+                printf("N: %s\n", &str[len+1]);
+
+        i = udev_device_get_devlink_priority(device);
+        if (i != 0)
+                printf("L: %i\n", i);
+
+        udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
+                len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
+                printf("S: %s\n", &udev_list_entry_get_name(list_entry)[len+1]);
+        }
+
+        udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device))
+                printf("E: %s=%s\n",
+                       udev_list_entry_get_name(list_entry),
+                       udev_list_entry_get_value(list_entry));
+        printf("\n");
 }
 
 static int stat_device(const char *name, bool export, const char *prefix)
 {
-	struct stat statbuf;
-
-	if (stat(name, &statbuf) != 0)
-		return -1;
-
-	if (export) {
-		if (prefix == NULL)
-			prefix = "INFO_";
-		printf("%sMAJOR=%d\n"
-		       "%sMINOR=%d\n",
-		       prefix, major(statbuf.st_dev),
-		       prefix, minor(statbuf.st_dev));
-	} else
-		printf("%d:%d\n", major(statbuf.st_dev), minor(statbuf.st_dev));
-	return 0;
+        struct stat statbuf;
+
+        if (stat(name, &statbuf) != 0)
+                return -1;
+
+        if (export) {
+                if (prefix == NULL)
+                        prefix = "INFO_";
+                printf("%sMAJOR=%d\n"
+                       "%sMINOR=%d\n",
+                       prefix, major(statbuf.st_dev),
+                       prefix, minor(statbuf.st_dev));
+        } else
+                printf("%d:%d\n", major(statbuf.st_dev), minor(statbuf.st_dev));
+        return 0;
 }
 
 static int export_devices(struct udev *udev)
 {
-	struct udev_enumerate *udev_enumerate;
-	struct udev_list_entry *list_entry;
-
-	udev_enumerate = udev_enumerate_new(udev);
-	if (udev_enumerate == NULL)
-		return -1;
-	udev_enumerate_scan_devices(udev_enumerate);
-	udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) {
-		struct udev_device *device;
-
-		device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry));
-		if (device != NULL) {
-			print_record(device);
-			udev_device_unref(device);
-		}
-	}
-	udev_enumerate_unref(udev_enumerate);
-	return 0;
+        struct udev_enumerate *udev_enumerate;
+        struct udev_list_entry *list_entry;
+
+        udev_enumerate = udev_enumerate_new(udev);
+        if (udev_enumerate == NULL)
+                return -1;
+        udev_enumerate_scan_devices(udev_enumerate);
+        udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) {
+                struct udev_device *device;
+
+                device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry));
+                if (device != NULL) {
+                        print_record(device);
+                        udev_device_unref(device);
+                }
+        }
+        udev_enumerate_unref(udev_enumerate);
+        return 0;
 }
 
 static void cleanup_dir(DIR *dir, mode_t mask, int depth)
 {
-	struct dirent *dent;
-
-	if (depth <= 0)
-		return;
-
-	for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
-		struct stat stats;
-
-		if (dent->d_name[0] == '.')
-			continue;
-		if (fstatat(dirfd(dir), dent->d_name, &stats, AT_SYMLINK_NOFOLLOW) != 0)
-			continue;
-		if ((stats.st_mode & mask) != 0)
-			continue;
-		if (S_ISDIR(stats.st_mode)) {
-			DIR *dir2;
-
-			dir2 = fdopendir(openat(dirfd(dir), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC));
-			if (dir2 != NULL) {
-				cleanup_dir(dir2, mask, depth-1);
-				closedir(dir2);
-			}
-			unlinkat(dirfd(dir), dent->d_name, AT_REMOVEDIR);
-		} else {
-			unlinkat(dirfd(dir), dent->d_name, 0);
-		}
-	}
+        struct dirent *dent;
+
+        if (depth <= 0)
+                return;
+
+        for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
+                struct stat stats;
+
+                if (dent->d_name[0] == '.')
+                        continue;
+                if (fstatat(dirfd(dir), dent->d_name, &stats, AT_SYMLINK_NOFOLLOW) != 0)
+                        continue;
+                if ((stats.st_mode & mask) != 0)
+                        continue;
+                if (S_ISDIR(stats.st_mode)) {
+                        DIR *dir2;
+
+                        dir2 = fdopendir(openat(dirfd(dir), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC));
+                        if (dir2 != NULL) {
+                                cleanup_dir(dir2, mask, depth-1);
+                                closedir(dir2);
+                        }
+                        unlinkat(dirfd(dir), dent->d_name, AT_REMOVEDIR);
+                } else {
+                        unlinkat(dirfd(dir), dent->d_name, 0);
+                }
+        }
 }
 
 static void cleanup_db(struct udev *udev)
 {
-	char filename[UTIL_PATH_SIZE];
-	DIR *dir;
-
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/queue.bin", NULL);
-	unlink(filename);
-
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL);
-	dir = opendir(filename);
-	if (dir != NULL) {
-		cleanup_dir(dir, S_ISVTX, 1);
-		closedir(dir);
-	}
-
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/links", NULL);
-	dir = opendir(filename);
-	if (dir != NULL) {
-		cleanup_dir(dir, 0, 2);
-		closedir(dir);
-	}
-
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags", NULL);
-	dir = opendir(filename);
-	if (dir != NULL) {
-		cleanup_dir(dir, 0, 2);
-		closedir(dir);
-	}
-
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL);
-	dir = opendir(filename);
-	if (dir != NULL) {
-		cleanup_dir(dir, 0, 1);
-		closedir(dir);
-	}
-
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/firmware-missing", NULL);
-	dir = opendir(filename);
-	if (dir != NULL) {
-		cleanup_dir(dir, 0, 1);
-		closedir(dir);
-	}
+        char filename[UTIL_PATH_SIZE];
+        DIR *dir;
+
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/queue.bin", NULL);
+        unlink(filename);
+
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL);
+        dir = opendir(filename);
+        if (dir != NULL) {
+                cleanup_dir(dir, S_ISVTX, 1);
+                closedir(dir);
+        }
+
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/links", NULL);
+        dir = opendir(filename);
+        if (dir != NULL) {
+                cleanup_dir(dir, 0, 2);
+                closedir(dir);
+        }
+
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags", NULL);
+        dir = opendir(filename);
+        if (dir != NULL) {
+                cleanup_dir(dir, 0, 2);
+                closedir(dir);
+        }
+
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL);
+        dir = opendir(filename);
+        if (dir != NULL) {
+                cleanup_dir(dir, 0, 1);
+                closedir(dir);
+        }
+
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/firmware-missing", NULL);
+        dir = opendir(filename);
+        if (dir != NULL) {
+                cleanup_dir(dir, 0, 1);
+                closedir(dir);
+        }
 }
 
 static int uinfo(struct udev *udev, int argc, char *argv[])
 {
-	struct udev_device *device = NULL;
-	bool root = 0;
-	bool export = 0;
-	const char *export_prefix = NULL;
-	char path[UTIL_PATH_SIZE];
-	char name[UTIL_PATH_SIZE];
-	struct udev_list_entry *list_entry;
-	int rc = 0;
-
-	static const struct option options[] = {
-		{ "name", required_argument, NULL, 'n' },
-		{ "path", required_argument, NULL, 'p' },
-		{ "query", required_argument, NULL, 'q' },
-		{ "attribute-walk", no_argument, NULL, 'a' },
-		{ "cleanup-db", no_argument, NULL, 'c' },
-		{ "export-db", no_argument, NULL, 'e' },
-		{ "root", no_argument, NULL, 'r' },
-		{ "run", no_argument, NULL, 'R' },
-		{ "device-id-of-file", required_argument, NULL, 'd' },
-		{ "export", no_argument, NULL, 'x' },
-		{ "export-prefix", required_argument, NULL, 'P' },
-		{ "version", no_argument, NULL, 'V' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-
-	enum action_type {
-		ACTION_NONE,
-		ACTION_QUERY,
-		ACTION_ATTRIBUTE_WALK,
-		ACTION_ROOT,
-		ACTION_DEVICE_ID_FILE,
-	} action = ACTION_NONE;
-
-	enum query_type {
-		QUERY_NONE,
-		QUERY_NAME,
-		QUERY_PATH,
-		QUERY_SYMLINK,
-		QUERY_PROPERTY,
-		QUERY_ALL,
-	} query = QUERY_NONE;
-
-	for (;;) {
-		int option;
-		struct stat statbuf;
-
-		option = getopt_long(argc, argv, "aced:n:p:q:rxP:RVh", options, NULL);
-		if (option == -1)
-			break;
-
-		dbg(udev, "option '%c'\n", option);
-		switch (option) {
-		case 'n':
-			if (device != NULL) {
-				fprintf(stderr, "device already specified\n");
-				rc = 2;
-				goto exit;
-			}
-			/* remove /dev if given */
-			if (strncmp(optarg, udev_get_dev_path(udev), strlen(udev_get_dev_path(udev))) != 0)
-				util_strscpyl(name, sizeof(name), udev_get_dev_path(udev), "/", optarg, NULL);
-			else
-				util_strscpy(name, sizeof(name), optarg);
-			util_remove_trailing_chars(name, '/');
-			if (stat(name, &statbuf) < 0) {
-				fprintf(stderr, "device node not found\n");
-				rc = 2;
-				goto exit;
-			} else {
-				char type;
-
-				if (S_ISBLK(statbuf.st_mode)) {
-					type = 'b';
-				} else if (S_ISCHR(statbuf.st_mode)) {
-					type = 'c';
-				} else {
-					fprintf(stderr, "device node has wrong file type\n");
-					rc = 2;
-					goto exit;
-				}
-				device = udev_device_new_from_devnum(udev, type, statbuf.st_rdev);
-				if (device == NULL) {
-					fprintf(stderr, "device node not found\n");
-					rc = 2;
-					goto exit;
-				}
-			}
-			break;
-		case 'p':
-			if (device != NULL) {
-				fprintf(stderr, "device already specified\n");
-				rc = 2;
-				goto exit;
-			}
-			/* add sys dir if needed */
-			if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
-				util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL);
-			else
-				util_strscpy(path, sizeof(path), optarg);
-			util_remove_trailing_chars(path, '/');
-			device = udev_device_new_from_syspath(udev, path);
-			if (device == NULL) {
-				fprintf(stderr, "device path not found\n");
-				rc = 2;
-				goto exit;
-			}
-			break;
-		case 'q':
-			action = ACTION_QUERY;
-			if (strcmp(optarg, "property") == 0 || strcmp(optarg, "env") == 0) {
-				query = QUERY_PROPERTY;
-			} else if (strcmp(optarg, "name") == 0) {
-				query = QUERY_NAME;
-			} else if (strcmp(optarg, "symlink") == 0) {
-				query = QUERY_SYMLINK;
-			} else if (strcmp(optarg, "path") == 0) {
-				query = QUERY_PATH;
-			} else if (strcmp(optarg, "all") == 0) {
-				query = QUERY_ALL;
-			} else {
-				fprintf(stderr, "unknown query type\n");
-				rc = 3;
-				goto exit;
-			}
-			break;
-		case 'r':
-			if (action == ACTION_NONE)
-				action = ACTION_ROOT;
-			root = true;
-			break;
-		case 'R':
-			printf("%s\n", udev_get_run_path(udev));
-			goto exit;
-		case 'd':
-			action = ACTION_DEVICE_ID_FILE;
-			util_strscpy(name, sizeof(name), optarg);
-			break;
-		case 'a':
-			action = ACTION_ATTRIBUTE_WALK;
-			break;
-		case 'e':
-			export_devices(udev);
-			goto exit;
-		case 'c':
-			cleanup_db(udev);
-			goto exit;
-		case 'x':
-			export = true;
-			break;
-		case 'P':
-			export_prefix = optarg;
-			break;
-		case 'V':
-			printf("%s\n", VERSION);
-			goto exit;
-		case 'h':
-			printf("Usage: udevadm info OPTIONS\n"
-			       "  --query=<type>             query device information:\n"
-			       "      name                     name of device node\n"
-			       "      symlink                  pointing to node\n"
-			       "      path                     sys device path\n"
-			       "      property                 the device properties\n"
-			       "      all                      all values\n"
-			       "  --path=<syspath>           sys device path used for query or attribute walk\n"
-			       "  --name=<name>              node or symlink name used for query or attribute walk\n"
-			       "  --root                     prepend dev directory to path names\n"
-			       "  --attribute-walk           print all key matches while walking along the chain\n"
-			       "                             of parent devices\n"
-			       "  --device-id-of-file=<file> print major:minor of device containing this file\n"
-			       "  --export                   export key/value pairs\n"
-			       "  --export-prefix            export the key name with a prefix\n"
-			       "  --export-db                export the content of the udev database\n"
-			       "  --cleanup-db               cleanup the udev database\n"
-			       "  --help\n\n");
-			goto exit;
-		default:
-			rc = 1;
-			goto exit;
-		}
-	}
-
-	switch (action) {
-	case ACTION_QUERY:
-		if (device == NULL) {
-			fprintf(stderr, "query needs a valid device specified by --path= or --name=\n");
-			rc = 4;
-			goto exit;
-		}
-
-		switch(query) {
-		case QUERY_NAME: {
-			const char *node = udev_device_get_devnode(device);
-
-			if (node == NULL) {
-				fprintf(stderr, "no device node found\n");
-				rc = 5;
-				goto exit;
-			}
-
-			if (root) {
-				printf("%s\n", udev_device_get_devnode(device));
-			} else {
-				size_t len = strlen(udev_get_dev_path(udev));
-
-				printf("%s\n", &udev_device_get_devnode(device)[len+1]);
-			}
-			break;
-		}
-		case QUERY_SYMLINK:
-			list_entry = udev_device_get_devlinks_list_entry(device);
-			while (list_entry != NULL) {
-				if (root) {
-					printf("%s", udev_list_entry_get_name(list_entry));
-				} else {
-					size_t len;
-
-					len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
-					printf("%s", &udev_list_entry_get_name(list_entry)[len+1]);
-				}
-				list_entry = udev_list_entry_get_next(list_entry);
-				if (list_entry != NULL)
-					printf(" ");
-			}
-			printf("\n");
-			break;
-		case QUERY_PATH:
-			printf("%s\n", udev_device_get_devpath(device));
-			goto exit;
-		case QUERY_PROPERTY:
-			list_entry = udev_device_get_properties_list_entry(device);
-			while (list_entry != NULL) {
-				if (export) {
-					const char *prefix = export_prefix;
-
-					if (prefix == NULL)
-						prefix = "";
-					printf("%s%s='%s'\n", prefix,
-					       udev_list_entry_get_name(list_entry),
-					       udev_list_entry_get_value(list_entry));
-				} else {
-					printf("%s=%s\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
-				}
-				list_entry = udev_list_entry_get_next(list_entry);
-			}
-			break;
-		case QUERY_ALL:
-			print_record(device);
-			break;
-		default:
-			fprintf(stderr, "unknown query type\n");
-			break;
-		}
-		break;
-	case ACTION_ATTRIBUTE_WALK:
-		if (device == NULL) {
-			fprintf(stderr, "query needs a valid device specified by --path= or --name=\n");
-			rc = 4;
-			goto exit;
-		}
-		print_device_chain(device);
-		break;
-	case ACTION_DEVICE_ID_FILE:
-		if (stat_device(name, export, export_prefix) != 0)
-			rc = 1;
-		break;
-	case ACTION_ROOT:
-		printf("%s\n", udev_get_dev_path(udev));
-		break;
-	default:
-		fprintf(stderr, "missing option\n");
-		rc = 1;
-		break;
-	}
+        struct udev_device *device = NULL;
+        bool root = 0;
+        bool export = 0;
+        const char *export_prefix = NULL;
+        char path[UTIL_PATH_SIZE];
+        char name[UTIL_PATH_SIZE];
+        struct udev_list_entry *list_entry;
+        int rc = 0;
+
+        static const struct option options[] = {
+                { "name", required_argument, NULL, 'n' },
+                { "path", required_argument, NULL, 'p' },
+                { "query", required_argument, NULL, 'q' },
+                { "attribute-walk", no_argument, NULL, 'a' },
+                { "cleanup-db", no_argument, NULL, 'c' },
+                { "export-db", no_argument, NULL, 'e' },
+                { "root", no_argument, NULL, 'r' },
+                { "run", no_argument, NULL, 'R' },
+                { "device-id-of-file", required_argument, NULL, 'd' },
+                { "export", no_argument, NULL, 'x' },
+                { "export-prefix", required_argument, NULL, 'P' },
+                { "version", no_argument, NULL, 'V' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+
+        enum action_type {
+                ACTION_NONE,
+                ACTION_QUERY,
+                ACTION_ATTRIBUTE_WALK,
+                ACTION_ROOT,
+                ACTION_DEVICE_ID_FILE,
+        } action = ACTION_NONE;
+
+        enum query_type {
+                QUERY_NONE,
+                QUERY_NAME,
+                QUERY_PATH,
+                QUERY_SYMLINK,
+                QUERY_PROPERTY,
+                QUERY_ALL,
+        } query = QUERY_NONE;
+
+        for (;;) {
+                int option;
+                struct stat statbuf;
+
+                option = getopt_long(argc, argv, "aced:n:p:q:rxP:RVh", options, NULL);
+                if (option == -1)
+                        break;
+
+                dbg(udev, "option '%c'\n", option);
+                switch (option) {
+                case 'n':
+                        if (device != NULL) {
+                                fprintf(stderr, "device already specified\n");
+                                rc = 2;
+                                goto exit;
+                        }
+                        /* remove /dev if given */
+                        if (strncmp(optarg, udev_get_dev_path(udev), strlen(udev_get_dev_path(udev))) != 0)
+                                util_strscpyl(name, sizeof(name), udev_get_dev_path(udev), "/", optarg, NULL);
+                        else
+                                util_strscpy(name, sizeof(name), optarg);
+                        util_remove_trailing_chars(name, '/');
+                        if (stat(name, &statbuf) < 0) {
+                                fprintf(stderr, "device node not found\n");
+                                rc = 2;
+                                goto exit;
+                        } else {
+                                char type;
+
+                                if (S_ISBLK(statbuf.st_mode)) {
+                                        type = 'b';
+                                } else if (S_ISCHR(statbuf.st_mode)) {
+                                        type = 'c';
+                                } else {
+                                        fprintf(stderr, "device node has wrong file type\n");
+                                        rc = 2;
+                                        goto exit;
+                                }
+                                device = udev_device_new_from_devnum(udev, type, statbuf.st_rdev);
+                                if (device == NULL) {
+                                        fprintf(stderr, "device node not found\n");
+                                        rc = 2;
+                                        goto exit;
+                                }
+                        }
+                        break;
+                case 'p':
+                        if (device != NULL) {
+                                fprintf(stderr, "device already specified\n");
+                                rc = 2;
+                                goto exit;
+                        }
+                        /* add sys dir if needed */
+                        if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
+                                util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL);
+                        else
+                                util_strscpy(path, sizeof(path), optarg);
+                        util_remove_trailing_chars(path, '/');
+                        device = udev_device_new_from_syspath(udev, path);
+                        if (device == NULL) {
+                                fprintf(stderr, "device path not found\n");
+                                rc = 2;
+                                goto exit;
+                        }
+                        break;
+                case 'q':
+                        action = ACTION_QUERY;
+                        if (strcmp(optarg, "property") == 0 || strcmp(optarg, "env") == 0) {
+                                query = QUERY_PROPERTY;
+                        } else if (strcmp(optarg, "name") == 0) {
+                                query = QUERY_NAME;
+                        } else if (strcmp(optarg, "symlink") == 0) {
+                                query = QUERY_SYMLINK;
+                        } else if (strcmp(optarg, "path") == 0) {
+                                query = QUERY_PATH;
+                        } else if (strcmp(optarg, "all") == 0) {
+                                query = QUERY_ALL;
+                        } else {
+                                fprintf(stderr, "unknown query type\n");
+                                rc = 3;
+                                goto exit;
+                        }
+                        break;
+                case 'r':
+                        if (action == ACTION_NONE)
+                                action = ACTION_ROOT;
+                        root = true;
+                        break;
+                case 'R':
+                        printf("%s\n", udev_get_run_path(udev));
+                        goto exit;
+                case 'd':
+                        action = ACTION_DEVICE_ID_FILE;
+                        util_strscpy(name, sizeof(name), optarg);
+                        break;
+                case 'a':
+                        action = ACTION_ATTRIBUTE_WALK;
+                        break;
+                case 'e':
+                        export_devices(udev);
+                        goto exit;
+                case 'c':
+                        cleanup_db(udev);
+                        goto exit;
+                case 'x':
+                        export = true;
+                        break;
+                case 'P':
+                        export_prefix = optarg;
+                        break;
+                case 'V':
+                        printf("%s\n", VERSION);
+                        goto exit;
+                case 'h':
+                        printf("Usage: udevadm info OPTIONS\n"
+                               "  --query=<type>             query device information:\n"
+                               "      name                     name of device node\n"
+                               "      symlink                  pointing to node\n"
+                               "      path                     sys device path\n"
+                               "      property                 the device properties\n"
+                               "      all                      all values\n"
+                               "  --path=<syspath>           sys device path used for query or attribute walk\n"
+                               "  --name=<name>              node or symlink name used for query or attribute walk\n"
+                               "  --root                     prepend dev directory to path names\n"
+                               "  --attribute-walk           print all key matches while walking along the chain\n"
+                               "                             of parent devices\n"
+                               "  --device-id-of-file=<file> print major:minor of device containing this file\n"
+                               "  --export                   export key/value pairs\n"
+                               "  --export-prefix            export the key name with a prefix\n"
+                               "  --export-db                export the content of the udev database\n"
+                               "  --cleanup-db               cleanup the udev database\n"
+                               "  --help\n\n");
+                        goto exit;
+                default:
+                        rc = 1;
+                        goto exit;
+                }
+        }
+
+        switch (action) {
+        case ACTION_QUERY:
+                if (device == NULL) {
+                        fprintf(stderr, "query needs a valid device specified by --path= or --name=\n");
+                        rc = 4;
+                        goto exit;
+                }
+
+                switch(query) {
+                case QUERY_NAME: {
+                        const char *node = udev_device_get_devnode(device);
+
+                        if (node == NULL) {
+                                fprintf(stderr, "no device node found\n");
+                                rc = 5;
+                                goto exit;
+                        }
+
+                        if (root) {
+                                printf("%s\n", udev_device_get_devnode(device));
+                        } else {
+                                size_t len = strlen(udev_get_dev_path(udev));
+
+                                printf("%s\n", &udev_device_get_devnode(device)[len+1]);
+                        }
+                        break;
+                }
+                case QUERY_SYMLINK:
+                        list_entry = udev_device_get_devlinks_list_entry(device);
+                        while (list_entry != NULL) {
+                                if (root) {
+                                        printf("%s", udev_list_entry_get_name(list_entry));
+                                } else {
+                                        size_t len;
+
+                                        len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
+                                        printf("%s", &udev_list_entry_get_name(list_entry)[len+1]);
+                                }
+                                list_entry = udev_list_entry_get_next(list_entry);
+                                if (list_entry != NULL)
+                                        printf(" ");
+                        }
+                        printf("\n");
+                        break;
+                case QUERY_PATH:
+                        printf("%s\n", udev_device_get_devpath(device));
+                        goto exit;
+                case QUERY_PROPERTY:
+                        list_entry = udev_device_get_properties_list_entry(device);
+                        while (list_entry != NULL) {
+                                if (export) {
+                                        const char *prefix = export_prefix;
+
+                                        if (prefix == NULL)
+                                                prefix = "";
+                                        printf("%s%s='%s'\n", prefix,
+                                               udev_list_entry_get_name(list_entry),
+                                               udev_list_entry_get_value(list_entry));
+                                } else {
+                                        printf("%s=%s\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
+                                }
+                                list_entry = udev_list_entry_get_next(list_entry);
+                        }
+                        break;
+                case QUERY_ALL:
+                        print_record(device);
+                        break;
+                default:
+                        fprintf(stderr, "unknown query type\n");
+                        break;
+                }
+                break;
+        case ACTION_ATTRIBUTE_WALK:
+                if (device == NULL) {
+                        fprintf(stderr, "query needs a valid device specified by --path= or --name=\n");
+                        rc = 4;
+                        goto exit;
+                }
+                print_device_chain(device);
+                break;
+        case ACTION_DEVICE_ID_FILE:
+                if (stat_device(name, export, export_prefix) != 0)
+                        rc = 1;
+                break;
+        case ACTION_ROOT:
+                printf("%s\n", udev_get_dev_path(udev));
+                break;
+        default:
+                fprintf(stderr, "missing option\n");
+                rc = 1;
+                break;
+        }
 
 exit:
-	udev_device_unref(device);
-	return rc;
+        udev_device_unref(device);
+        return rc;
 }
 
 const struct udevadm_cmd udevadm_info = {
-	.name = "info",
-	.cmd = uinfo,
-	.help = "query sysfs or the udev database",
+        .name = "info",
+        .cmd = uinfo,
+        .help = "query sysfs or the udev database",
 };
diff --git a/src/udevadm-monitor.c b/src/udevadm-monitor.c
index 64913dbd..5997dd8e 100644
--- a/src/udevadm-monitor.c
+++ b/src/udevadm-monitor.c
@@ -38,260 +38,260 @@ static bool udev_exit;
 
 static void sig_handler(int signum)
 {
-	if (signum == SIGINT || signum == SIGTERM)
-		udev_exit = true;
+        if (signum == SIGINT || signum == SIGTERM)
+                udev_exit = true;
 }
 
 static void print_device(struct udev_device *device, const char *source, int prop)
 {
-	struct timespec ts;
-
-	clock_gettime(CLOCK_MONOTONIC, &ts);
-	printf("%-6s[%llu.%06u] %-8s %s (%s)\n",
-	       source,
-	       (unsigned long long) ts.tv_sec, (unsigned int) ts.tv_nsec/1000,
-	       udev_device_get_action(device),
-	       udev_device_get_devpath(device),
-	       udev_device_get_subsystem(device));
-	if (prop) {
-		struct udev_list_entry *list_entry;
-
-		udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device))
-			printf("%s=%s\n",
-			       udev_list_entry_get_name(list_entry),
-			       udev_list_entry_get_value(list_entry));
-		printf("\n");
-	}
+        struct timespec ts;
+
+        clock_gettime(CLOCK_MONOTONIC, &ts);
+        printf("%-6s[%llu.%06u] %-8s %s (%s)\n",
+               source,
+               (unsigned long long) ts.tv_sec, (unsigned int) ts.tv_nsec/1000,
+               udev_device_get_action(device),
+               udev_device_get_devpath(device),
+               udev_device_get_subsystem(device));
+        if (prop) {
+                struct udev_list_entry *list_entry;
+
+                udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device))
+                        printf("%s=%s\n",
+                               udev_list_entry_get_name(list_entry),
+                               udev_list_entry_get_value(list_entry));
+                printf("\n");
+        }
 }
 
 static int adm_monitor(struct udev *udev, int argc, char *argv[])
 {
-	struct sigaction act;
-	sigset_t mask;
-	int option;
-	bool prop = false;
-	bool print_kernel = false;
-	bool print_udev = false;
-	struct udev_list subsystem_match_list;
-	struct udev_list tag_match_list;
-	struct udev_monitor *udev_monitor = NULL;
-	struct udev_monitor *kernel_monitor = NULL;
-	int fd_ep = -1;
-	int fd_kernel = -1, fd_udev = -1;
-	struct epoll_event ep_kernel, ep_udev;
-	int rc = 0;
-
-	static const struct option options[] = {
-		{ "property", no_argument, NULL, 'p' },
-		{ "environment", no_argument, NULL, 'e' },
-		{ "kernel", no_argument, NULL, 'k' },
-		{ "udev", no_argument, NULL, 'u' },
-		{ "subsystem-match", required_argument, NULL, 's' },
-		{ "tag-match", required_argument, NULL, 't' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-
-	udev_list_init(udev, &subsystem_match_list, true);
-	udev_list_init(udev, &tag_match_list, true);
-
-	for (;;) {
-		option = getopt_long(argc, argv, "pekus:t:h", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'p':
-		case 'e':
-			prop = true;
-			break;
-		case 'k':
-			print_kernel = true;
-			break;
-		case 'u':
-			print_udev = true;
-			break;
-		case 's':
-			{
-				char subsys[UTIL_NAME_SIZE];
-				char *devtype;
-
-				util_strscpy(subsys, sizeof(subsys), optarg);
-				devtype = strchr(subsys, '/');
-				if (devtype != NULL) {
-					devtype[0] = '\0';
-					devtype++;
-				}
-				udev_list_entry_add(&subsystem_match_list, subsys, devtype);
-				break;
-			}
-		case 't':
-			udev_list_entry_add(&tag_match_list, optarg, NULL);
-			break;
-		case 'h':
-			printf("Usage: udevadm monitor [--property] [--kernel] [--udev] [--help]\n"
-			       "  --property                              print the event properties\n"
-			       "  --kernel                                print kernel uevents\n"
-			       "  --udev                                  print udev events\n"
-			       "  --subsystem-match=<subsystem[/devtype]> filter events by subsystem\n"
-			       "  --tag-match=<tag>                       filter events by tag\n"
-			       "  --help\n\n");
-			goto out;
-		default:
-			rc = 1;
-			goto out;
-		}
-	}
-
-	if (!print_kernel && !print_udev) {
-		print_kernel = true;
-		print_udev = true;
-	}
-
-	/* set signal handlers */
-	memset(&act, 0x00, sizeof(struct sigaction));
-	act.sa_handler = sig_handler;
-	sigemptyset(&act.sa_mask);
-	act.sa_flags = SA_RESTART;
-	sigaction(SIGINT, &act, NULL);
-	sigaction(SIGTERM, &act, NULL);
-	sigemptyset(&mask);
-	sigaddset(&mask, SIGINT);
-	sigaddset(&mask, SIGTERM);
-	sigprocmask(SIG_UNBLOCK, &mask, NULL);
-
-	fd_ep = epoll_create1(EPOLL_CLOEXEC);
-	if (fd_ep < 0) {
-		err(udev, "error creating epoll fd: %m\n");
-		goto out;
-	}
-
-	printf("monitor will print the received events for:\n");
-	if (print_udev) {
-		struct udev_list_entry *entry;
-
-		udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
-		if (udev_monitor == NULL) {
-			fprintf(stderr, "error: unable to create netlink socket\n");
-			rc = 1;
-			goto out;
-		}
-		udev_monitor_set_receive_buffer_size(udev_monitor, 128*1024*1024);
-		fd_udev = udev_monitor_get_fd(udev_monitor);
-
-		udev_list_entry_foreach(entry, udev_list_get_entry(&subsystem_match_list)) {
-			const char *subsys = udev_list_entry_get_name(entry);
-			const char *devtype = udev_list_entry_get_value(entry);
-
-			if (udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, subsys, devtype) < 0)
-				fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys);
-		}
-
-		udev_list_entry_foreach(entry, udev_list_get_entry(&tag_match_list)) {
-			const char *tag = udev_list_entry_get_name(entry);
-
-			if (udev_monitor_filter_add_match_tag(udev_monitor, tag) < 0)
-				fprintf(stderr, "error: unable to apply tag filter '%s'\n", tag);
-		}
-
-		if (udev_monitor_enable_receiving(udev_monitor) < 0) {
-			fprintf(stderr, "error: unable to subscribe to udev events\n");
-			rc = 2;
-			goto out;
-		}
-
-		memset(&ep_udev, 0, sizeof(struct epoll_event));
-		ep_udev.events = EPOLLIN;
-		ep_udev.data.fd = fd_udev;
-		if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) {
-			err(udev, "fail to add fd to epoll: %m\n");
-			goto out;
-		}
-
-		printf("UDEV - the event which udev sends out after rule processing\n");
-	}
-
-	if (print_kernel) {
-		struct udev_list_entry *entry;
-
-		kernel_monitor = udev_monitor_new_from_netlink(udev, "kernel");
-		if (kernel_monitor == NULL) {
-			fprintf(stderr, "error: unable to create netlink socket\n");
-			rc = 3;
-			goto out;
-		}
-		udev_monitor_set_receive_buffer_size(kernel_monitor, 128*1024*1024);
-		fd_kernel = udev_monitor_get_fd(kernel_monitor);
-
-		udev_list_entry_foreach(entry, udev_list_get_entry(&subsystem_match_list)) {
-			const char *subsys = udev_list_entry_get_name(entry);
-
-			if (udev_monitor_filter_add_match_subsystem_devtype(kernel_monitor, subsys, NULL) < 0)
-				fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys);
-		}
-
-		if (udev_monitor_enable_receiving(kernel_monitor) < 0) {
-			fprintf(stderr, "error: unable to subscribe to kernel events\n");
-			rc = 4;
-			goto out;
-		}
-
-		memset(&ep_kernel, 0, sizeof(struct epoll_event));
-		ep_kernel.events = EPOLLIN;
-		ep_kernel.data.fd = fd_kernel;
-		if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_kernel, &ep_kernel) < 0) {
-			err(udev, "fail to add fd to epoll: %m\n");
-			goto out;
-		}
-
-		printf("KERNEL - the kernel uevent\n");
-	}
-	printf("\n");
-
-	while (!udev_exit) {
-		int fdcount;
-		struct epoll_event ev[4];
-		int i;
-
-		fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1);
-		if (fdcount < 0) {
-			if (errno != EINTR)
-				fprintf(stderr, "error receiving uevent message: %m\n");
-			continue;
-		}
-
-		for (i = 0; i < fdcount; i++) {
-			if (ev[i].data.fd == fd_kernel && ev[i].events & EPOLLIN) {
-				struct udev_device *device;
-
-				device = udev_monitor_receive_device(kernel_monitor);
-				if (device == NULL)
-					continue;
-				print_device(device, "KERNEL", prop);
-				udev_device_unref(device);
-			} else if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) {
-				struct udev_device *device;
-
-				device = udev_monitor_receive_device(udev_monitor);
-				if (device == NULL)
-					continue;
-				print_device(device, "UDEV", prop);
-				udev_device_unref(device);
-			}
-		}
-	}
+        struct sigaction act;
+        sigset_t mask;
+        int option;
+        bool prop = false;
+        bool print_kernel = false;
+        bool print_udev = false;
+        struct udev_list subsystem_match_list;
+        struct udev_list tag_match_list;
+        struct udev_monitor *udev_monitor = NULL;
+        struct udev_monitor *kernel_monitor = NULL;
+        int fd_ep = -1;
+        int fd_kernel = -1, fd_udev = -1;
+        struct epoll_event ep_kernel, ep_udev;
+        int rc = 0;
+
+        static const struct option options[] = {
+                { "property", no_argument, NULL, 'p' },
+                { "environment", no_argument, NULL, 'e' },
+                { "kernel", no_argument, NULL, 'k' },
+                { "udev", no_argument, NULL, 'u' },
+                { "subsystem-match", required_argument, NULL, 's' },
+                { "tag-match", required_argument, NULL, 't' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+
+        udev_list_init(udev, &subsystem_match_list, true);
+        udev_list_init(udev, &tag_match_list, true);
+
+        for (;;) {
+                option = getopt_long(argc, argv, "pekus:t:h", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'p':
+                case 'e':
+                        prop = true;
+                        break;
+                case 'k':
+                        print_kernel = true;
+                        break;
+                case 'u':
+                        print_udev = true;
+                        break;
+                case 's':
+                        {
+                                char subsys[UTIL_NAME_SIZE];
+                                char *devtype;
+
+                                util_strscpy(subsys, sizeof(subsys), optarg);
+                                devtype = strchr(subsys, '/');
+                                if (devtype != NULL) {
+                                        devtype[0] = '\0';
+                                        devtype++;
+                                }
+                                udev_list_entry_add(&subsystem_match_list, subsys, devtype);
+                                break;
+                        }
+                case 't':
+                        udev_list_entry_add(&tag_match_list, optarg, NULL);
+                        break;
+                case 'h':
+                        printf("Usage: udevadm monitor [--property] [--kernel] [--udev] [--help]\n"
+                               "  --property                              print the event properties\n"
+                               "  --kernel                                print kernel uevents\n"
+                               "  --udev                                  print udev events\n"
+                               "  --subsystem-match=<subsystem[/devtype]> filter events by subsystem\n"
+                               "  --tag-match=<tag>                       filter events by tag\n"
+                               "  --help\n\n");
+                        goto out;
+                default:
+                        rc = 1;
+                        goto out;
+                }
+        }
+
+        if (!print_kernel && !print_udev) {
+                print_kernel = true;
+                print_udev = true;
+        }
+
+        /* set signal handlers */
+        memset(&act, 0x00, sizeof(struct sigaction));
+        act.sa_handler = sig_handler;
+        sigemptyset(&act.sa_mask);
+        act.sa_flags = SA_RESTART;
+        sigaction(SIGINT, &act, NULL);
+        sigaction(SIGTERM, &act, NULL);
+        sigemptyset(&mask);
+        sigaddset(&mask, SIGINT);
+        sigaddset(&mask, SIGTERM);
+        sigprocmask(SIG_UNBLOCK, &mask, NULL);
+
+        fd_ep = epoll_create1(EPOLL_CLOEXEC);
+        if (fd_ep < 0) {
+                err(udev, "error creating epoll fd: %m\n");
+                goto out;
+        }
+
+        printf("monitor will print the received events for:\n");
+        if (print_udev) {
+                struct udev_list_entry *entry;
+
+                udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
+                if (udev_monitor == NULL) {
+                        fprintf(stderr, "error: unable to create netlink socket\n");
+                        rc = 1;
+                        goto out;
+                }
+                udev_monitor_set_receive_buffer_size(udev_monitor, 128*1024*1024);
+                fd_udev = udev_monitor_get_fd(udev_monitor);
+
+                udev_list_entry_foreach(entry, udev_list_get_entry(&subsystem_match_list)) {
+                        const char *subsys = udev_list_entry_get_name(entry);
+                        const char *devtype = udev_list_entry_get_value(entry);
+
+                        if (udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, subsys, devtype) < 0)
+                                fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys);
+                }
+
+                udev_list_entry_foreach(entry, udev_list_get_entry(&tag_match_list)) {
+                        const char *tag = udev_list_entry_get_name(entry);
+
+                        if (udev_monitor_filter_add_match_tag(udev_monitor, tag) < 0)
+                                fprintf(stderr, "error: unable to apply tag filter '%s'\n", tag);
+                }
+
+                if (udev_monitor_enable_receiving(udev_monitor) < 0) {
+                        fprintf(stderr, "error: unable to subscribe to udev events\n");
+                        rc = 2;
+                        goto out;
+                }
+
+                memset(&ep_udev, 0, sizeof(struct epoll_event));
+                ep_udev.events = EPOLLIN;
+                ep_udev.data.fd = fd_udev;
+                if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) {
+                        err(udev, "fail to add fd to epoll: %m\n");
+                        goto out;
+                }
+
+                printf("UDEV - the event which udev sends out after rule processing\n");
+        }
+
+        if (print_kernel) {
+                struct udev_list_entry *entry;
+
+                kernel_monitor = udev_monitor_new_from_netlink(udev, "kernel");
+                if (kernel_monitor == NULL) {
+                        fprintf(stderr, "error: unable to create netlink socket\n");
+                        rc = 3;
+                        goto out;
+                }
+                udev_monitor_set_receive_buffer_size(kernel_monitor, 128*1024*1024);
+                fd_kernel = udev_monitor_get_fd(kernel_monitor);
+
+                udev_list_entry_foreach(entry, udev_list_get_entry(&subsystem_match_list)) {
+                        const char *subsys = udev_list_entry_get_name(entry);
+
+                        if (udev_monitor_filter_add_match_subsystem_devtype(kernel_monitor, subsys, NULL) < 0)
+                                fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys);
+                }
+
+                if (udev_monitor_enable_receiving(kernel_monitor) < 0) {
+                        fprintf(stderr, "error: unable to subscribe to kernel events\n");
+                        rc = 4;
+                        goto out;
+                }
+
+                memset(&ep_kernel, 0, sizeof(struct epoll_event));
+                ep_kernel.events = EPOLLIN;
+                ep_kernel.data.fd = fd_kernel;
+                if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_kernel, &ep_kernel) < 0) {
+                        err(udev, "fail to add fd to epoll: %m\n");
+                        goto out;
+                }
+
+                printf("KERNEL - the kernel uevent\n");
+        }
+        printf("\n");
+
+        while (!udev_exit) {
+                int fdcount;
+                struct epoll_event ev[4];
+                int i;
+
+                fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1);
+                if (fdcount < 0) {
+                        if (errno != EINTR)
+                                fprintf(stderr, "error receiving uevent message: %m\n");
+                        continue;
+                }
+
+                for (i = 0; i < fdcount; i++) {
+                        if (ev[i].data.fd == fd_kernel && ev[i].events & EPOLLIN) {
+                                struct udev_device *device;
+
+                                device = udev_monitor_receive_device(kernel_monitor);
+                                if (device == NULL)
+                                        continue;
+                                print_device(device, "KERNEL", prop);
+                                udev_device_unref(device);
+                        } else if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) {
+                                struct udev_device *device;
+
+                                device = udev_monitor_receive_device(udev_monitor);
+                                if (device == NULL)
+                                        continue;
+                                print_device(device, "UDEV", prop);
+                                udev_device_unref(device);
+                        }
+                }
+        }
 out:
-	if (fd_ep >= 0)
-		close(fd_ep);
-	udev_monitor_unref(udev_monitor);
-	udev_monitor_unref(kernel_monitor);
-	udev_list_cleanup(&subsystem_match_list);
-	udev_list_cleanup(&tag_match_list);
-	return rc;
+        if (fd_ep >= 0)
+                close(fd_ep);
+        udev_monitor_unref(udev_monitor);
+        udev_monitor_unref(kernel_monitor);
+        udev_list_cleanup(&subsystem_match_list);
+        udev_list_cleanup(&tag_match_list);
+        return rc;
 }
 
 const struct udevadm_cmd udevadm_monitor = {
-	.name = "monitor",
-	.cmd = adm_monitor,
-	.help = "listen to kernel and udev events",
+        .name = "monitor",
+        .cmd = adm_monitor,
+        .help = "listen to kernel and udev events",
 };
diff --git a/src/udevadm-settle.c b/src/udevadm-settle.c
index a59d7c39..b168defd 100644
--- a/src/udevadm-settle.c
+++ b/src/udevadm-settle.c
@@ -38,198 +38,198 @@
 
 static int adm_settle(struct udev *udev, int argc, char *argv[])
 {
-	static const struct option options[] = {
-		{ "seq-start", required_argument, NULL, 's' },
-		{ "seq-end", required_argument, NULL, 'e' },
-		{ "timeout", required_argument, NULL, 't' },
-		{ "exit-if-exists", required_argument, NULL, 'E' },
-		{ "quiet", no_argument, NULL, 'q' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-	unsigned long long start_usec = now_usec();
-	unsigned long long start = 0;
-	unsigned long long end = 0;
-	int quiet = 0;
-	const char *exists = NULL;
-	unsigned int timeout = 120;
-	struct pollfd pfd[1];
-	struct udev_queue *udev_queue = NULL;
-	int rc = EXIT_FAILURE;
-
-	dbg(udev, "version %s\n", VERSION);
-
-	for (;;) {
-		int option;
-		int seconds;
-
-		option = getopt_long(argc, argv, "s:e:t:E:qh", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 's':
-			start = strtoull(optarg, NULL, 0);
-			break;
-		case 'e':
-			end = strtoull(optarg, NULL, 0);
-			break;
-		case 't':
-			seconds = atoi(optarg);
-			if (seconds >= 0)
-				timeout = seconds;
-			else
-				fprintf(stderr, "invalid timeout value\n");
-			dbg(udev, "timeout=%i\n", timeout);
-			break;
-		case 'q':
-			quiet = 1;
-			break;
-		case 'E':
-			exists = optarg;
-			break;
-		case 'h':
-			printf("Usage: udevadm settle OPTIONS\n"
-			       "  --timeout=<seconds>     maximum time to wait for events\n"
-			       "  --seq-start=<seqnum>    first seqnum to wait for\n"
-			       "  --seq-end=<seqnum>      last seqnum to wait for\n"
-			       "  --exit-if-exists=<file> stop waiting if file exists\n"
-			       "  --quiet                 do not print list after timeout\n"
-			       "  --help\n\n");
-			exit(EXIT_SUCCESS);
-		default:
-			exit(EXIT_FAILURE);
-		}
-	}
-
-	udev_queue = udev_queue_new(udev);
-	if (udev_queue == NULL)
-		exit(2);
-
-	if (start > 0) {
-		unsigned long long kernel_seq;
-
-		kernel_seq = udev_queue_get_kernel_seqnum(udev_queue);
-
-		/* unless specified, the last event is the current kernel seqnum */
-		if (end == 0)
-			end = udev_queue_get_kernel_seqnum(udev_queue);
-
-		if (start > end) {
-			err(udev, "seq-start larger than seq-end, ignoring\n");
-			start = 0;
-			end = 0;
-		}
-
-		if (start > kernel_seq || end > kernel_seq) {
-			err(udev, "seq-start or seq-end larger than current kernel value, ignoring\n");
-			start = 0;
-			end = 0;
-		}
-		info(udev, "start=%llu end=%llu current=%llu\n", start, end, kernel_seq);
-	} else {
-		if (end > 0) {
-			err(udev, "seq-end needs seq-start parameter, ignoring\n");
-			end = 0;
-		}
-	}
-
-	/* guarantee that the udev daemon isn't pre-processing */
-	if (getuid() == 0) {
-		struct udev_ctrl *uctrl;
-
-		uctrl = udev_ctrl_new(udev);
-		if (uctrl != NULL) {
-			if (udev_ctrl_send_ping(uctrl, timeout) < 0) {
-				info(udev, "no connection to daemon\n");
-				udev_ctrl_unref(uctrl);
-				rc = EXIT_SUCCESS;
-				goto out;
-			}
-			udev_ctrl_unref(uctrl);
-		}
-	}
-
-	pfd[0].events = POLLIN;
-	pfd[0].fd = inotify_init1(IN_CLOEXEC);
-	if (pfd[0].fd < 0) {
-		err(udev, "inotify_init failed: %m\n");
-	} else {
-		if (inotify_add_watch(pfd[0].fd, udev_get_run_path(udev), IN_MOVED_TO) < 0) {
-			err(udev, "watching '%s' failed\n", udev_get_run_path(udev));
-			close(pfd[0].fd);
-			pfd[0].fd = -1;
-		}
-	}
-
-	for (;;) {
-		struct stat statbuf;
-
-		if (exists != NULL && stat(exists, &statbuf) == 0) {
-			rc = EXIT_SUCCESS;
-			break;
-		}
-
-		if (start > 0) {
-			/* if asked for, wait for a specific sequence of events */
-			if (udev_queue_get_seqnum_sequence_is_finished(udev_queue, start, end) == 1) {
-				rc = EXIT_SUCCESS;
-				break;
-			}
-		} else {
-			/* exit if queue is empty */
-			if (udev_queue_get_queue_is_empty(udev_queue)) {
-				rc = EXIT_SUCCESS;
-				break;
-			}
-		}
-
-		if (pfd[0].fd >= 0) {
-			int delay;
-
-			if (exists != NULL || start > 0)
-				delay = 100;
-			else
-				delay = 1000;
-			/* wake up after delay, or immediately after the queue is rebuilt */
-			if (poll(pfd, 1, delay) > 0 && pfd[0].revents & POLLIN) {
-				char buf[sizeof(struct inotify_event) + PATH_MAX];
-
-				read(pfd[0].fd, buf, sizeof(buf));
-			}
-		} else {
-			sleep(1);
-		}
-
-		if (timeout > 0) {
-			unsigned long long age_usec;
-
-			age_usec = now_usec() - start_usec;
-			if (age_usec / (1000 * 1000) >= timeout) {
-				struct udev_list_entry *list_entry;
-
-				if (!quiet && udev_queue_get_queued_list_entry(udev_queue) != NULL) {
-					info(udev, "timeout waiting for udev queue\n");
-					printf("\nudevadm settle - timeout of %i seconds reached, the event queue contains:\n", timeout);
-					udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
-						printf("  %s (%s)\n",
-						udev_list_entry_get_name(list_entry),
-						udev_list_entry_get_value(list_entry));
-				}
-
-				break;
-			}
-		}
-	}
+        static const struct option options[] = {
+                { "seq-start", required_argument, NULL, 's' },
+                { "seq-end", required_argument, NULL, 'e' },
+                { "timeout", required_argument, NULL, 't' },
+                { "exit-if-exists", required_argument, NULL, 'E' },
+                { "quiet", no_argument, NULL, 'q' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+        unsigned long long start_usec = now_usec();
+        unsigned long long start = 0;
+        unsigned long long end = 0;
+        int quiet = 0;
+        const char *exists = NULL;
+        unsigned int timeout = 120;
+        struct pollfd pfd[1];
+        struct udev_queue *udev_queue = NULL;
+        int rc = EXIT_FAILURE;
+
+        dbg(udev, "version %s\n", VERSION);
+
+        for (;;) {
+                int option;
+                int seconds;
+
+                option = getopt_long(argc, argv, "s:e:t:E:qh", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 's':
+                        start = strtoull(optarg, NULL, 0);
+                        break;
+                case 'e':
+                        end = strtoull(optarg, NULL, 0);
+                        break;
+                case 't':
+                        seconds = atoi(optarg);
+                        if (seconds >= 0)
+                                timeout = seconds;
+                        else
+                                fprintf(stderr, "invalid timeout value\n");
+                        dbg(udev, "timeout=%i\n", timeout);
+                        break;
+                case 'q':
+                        quiet = 1;
+                        break;
+                case 'E':
+                        exists = optarg;
+                        break;
+                case 'h':
+                        printf("Usage: udevadm settle OPTIONS\n"
+                               "  --timeout=<seconds>     maximum time to wait for events\n"
+                               "  --seq-start=<seqnum>    first seqnum to wait for\n"
+                               "  --seq-end=<seqnum>      last seqnum to wait for\n"
+                               "  --exit-if-exists=<file> stop waiting if file exists\n"
+                               "  --quiet                 do not print list after timeout\n"
+                               "  --help\n\n");
+                        exit(EXIT_SUCCESS);
+                default:
+                        exit(EXIT_FAILURE);
+                }
+        }
+
+        udev_queue = udev_queue_new(udev);
+        if (udev_queue == NULL)
+                exit(2);
+
+        if (start > 0) {
+                unsigned long long kernel_seq;
+
+                kernel_seq = udev_queue_get_kernel_seqnum(udev_queue);
+
+                /* unless specified, the last event is the current kernel seqnum */
+                if (end == 0)
+                        end = udev_queue_get_kernel_seqnum(udev_queue);
+
+                if (start > end) {
+                        err(udev, "seq-start larger than seq-end, ignoring\n");
+                        start = 0;
+                        end = 0;
+                }
+
+                if (start > kernel_seq || end > kernel_seq) {
+                        err(udev, "seq-start or seq-end larger than current kernel value, ignoring\n");
+                        start = 0;
+                        end = 0;
+                }
+                info(udev, "start=%llu end=%llu current=%llu\n", start, end, kernel_seq);
+        } else {
+                if (end > 0) {
+                        err(udev, "seq-end needs seq-start parameter, ignoring\n");
+                        end = 0;
+                }
+        }
+
+        /* guarantee that the udev daemon isn't pre-processing */
+        if (getuid() == 0) {
+                struct udev_ctrl *uctrl;
+
+                uctrl = udev_ctrl_new(udev);
+                if (uctrl != NULL) {
+                        if (udev_ctrl_send_ping(uctrl, timeout) < 0) {
+                                info(udev, "no connection to daemon\n");
+                                udev_ctrl_unref(uctrl);
+                                rc = EXIT_SUCCESS;
+                                goto out;
+                        }
+                        udev_ctrl_unref(uctrl);
+                }
+        }
+
+        pfd[0].events = POLLIN;
+        pfd[0].fd = inotify_init1(IN_CLOEXEC);
+        if (pfd[0].fd < 0) {
+                err(udev, "inotify_init failed: %m\n");
+        } else {
+                if (inotify_add_watch(pfd[0].fd, udev_get_run_path(udev), IN_MOVED_TO) < 0) {
+                        err(udev, "watching '%s' failed\n", udev_get_run_path(udev));
+                        close(pfd[0].fd);
+                        pfd[0].fd = -1;
+                }
+        }
+
+        for (;;) {
+                struct stat statbuf;
+
+                if (exists != NULL && stat(exists, &statbuf) == 0) {
+                        rc = EXIT_SUCCESS;
+                        break;
+                }
+
+                if (start > 0) {
+                        /* if asked for, wait for a specific sequence of events */
+                        if (udev_queue_get_seqnum_sequence_is_finished(udev_queue, start, end) == 1) {
+                                rc = EXIT_SUCCESS;
+                                break;
+                        }
+                } else {
+                        /* exit if queue is empty */
+                        if (udev_queue_get_queue_is_empty(udev_queue)) {
+                                rc = EXIT_SUCCESS;
+                                break;
+                        }
+                }
+
+                if (pfd[0].fd >= 0) {
+                        int delay;
+
+                        if (exists != NULL || start > 0)
+                                delay = 100;
+                        else
+                                delay = 1000;
+                        /* wake up after delay, or immediately after the queue is rebuilt */
+                        if (poll(pfd, 1, delay) > 0 && pfd[0].revents & POLLIN) {
+                                char buf[sizeof(struct inotify_event) + PATH_MAX];
+
+                                read(pfd[0].fd, buf, sizeof(buf));
+                        }
+                } else {
+                        sleep(1);
+                }
+
+                if (timeout > 0) {
+                        unsigned long long age_usec;
+
+                        age_usec = now_usec() - start_usec;
+                        if (age_usec / (1000 * 1000) >= timeout) {
+                                struct udev_list_entry *list_entry;
+
+                                if (!quiet && udev_queue_get_queued_list_entry(udev_queue) != NULL) {
+                                        info(udev, "timeout waiting for udev queue\n");
+                                        printf("\nudevadm settle - timeout of %i seconds reached, the event queue contains:\n", timeout);
+                                        udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
+                                                printf("  %s (%s)\n",
+                                                udev_list_entry_get_name(list_entry),
+                                                udev_list_entry_get_value(list_entry));
+                                }
+
+                                break;
+                        }
+                }
+        }
 out:
-	if (pfd[0].fd >= 0)
-		close(pfd[0].fd);
-	udev_queue_unref(udev_queue);
-	return rc;
+        if (pfd[0].fd >= 0)
+                close(pfd[0].fd);
+        udev_queue_unref(udev_queue);
+        return rc;
 }
 
 const struct udevadm_cmd udevadm_settle = {
-	.name = "settle",
-	.cmd = adm_settle,
-	.help = "wait for the event queue to finish",
+        .name = "settle",
+        .cmd = adm_settle,
+        .help = "wait for the event queue to finish",
 };
diff --git a/src/udevadm-test-builtin.c b/src/udevadm-test-builtin.c
index 253fcd0c..3a49f7ce 100644
--- a/src/udevadm-test-builtin.c
+++ b/src/udevadm-test-builtin.c
@@ -36,93 +36,93 @@
 
 static void help(struct udev *udev)
 {
-	fprintf(stderr, "\n");
-	fprintf(stderr, "Usage: udevadm builtin [--help] <command> <syspath>\n");
-	udev_builtin_list(udev);
-	fprintf(stderr, "\n");
+        fprintf(stderr, "\n");
+        fprintf(stderr, "Usage: udevadm builtin [--help] <command> <syspath>\n");
+        udev_builtin_list(udev);
+        fprintf(stderr, "\n");
 }
 
 static int adm_builtin(struct udev *udev, int argc, char *argv[])
 {
-	static const struct option options[] = {
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-	char *command = NULL;
-	char *syspath = NULL;
-	char filename[UTIL_PATH_SIZE];
-	struct udev_device *dev = NULL;
-	enum udev_builtin_cmd cmd;
-	int rc = EXIT_SUCCESS;
-
-	dbg(udev, "version %s\n", VERSION);
-
-	for (;;) {
-		int option;
-
-		option = getopt_long(argc, argv, "h", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'h':
-			help(udev);
-			goto out;
-		}
-	}
-
-	command = argv[optind++];
-	if (command == NULL) {
-		fprintf(stderr, "command missing\n");
-		help(udev);
-		rc = 2;
-		goto out;
-	}
-
-	syspath = argv[optind++];
-	if (syspath == NULL) {
-		fprintf(stderr, "syspath missing\n\n");
-		rc = 3;
-		goto out;
-	}
-
-	udev_builtin_init(udev);
-
-	cmd = udev_builtin_lookup(command);
-	if (cmd >= UDEV_BUILTIN_MAX) {
-		fprintf(stderr, "unknown command '%s'\n", command);
-		help(udev);
-		rc = 5;
-		goto out;
-	}
-
-	/* add /sys if needed */
-	if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
-		util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL);
-	else
-		util_strscpy(filename, sizeof(filename), syspath);
-	util_remove_trailing_chars(filename, '/');
-
-	dev = udev_device_new_from_syspath(udev, filename);
-	if (dev == NULL) {
-		fprintf(stderr, "unable to open device '%s'\n\n", filename);
-		rc = 4;
-		goto out;
-	}
-
-	if (udev_builtin_run(dev, cmd, command, true) < 0) {
-		fprintf(stderr, "error executing '%s'\n\n", command);
-		rc = 6;
-	}
+        static const struct option options[] = {
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+        char *command = NULL;
+        char *syspath = NULL;
+        char filename[UTIL_PATH_SIZE];
+        struct udev_device *dev = NULL;
+        enum udev_builtin_cmd cmd;
+        int rc = EXIT_SUCCESS;
+
+        dbg(udev, "version %s\n", VERSION);
+
+        for (;;) {
+                int option;
+
+                option = getopt_long(argc, argv, "h", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'h':
+                        help(udev);
+                        goto out;
+                }
+        }
+
+        command = argv[optind++];
+        if (command == NULL) {
+                fprintf(stderr, "command missing\n");
+                help(udev);
+                rc = 2;
+                goto out;
+        }
+
+        syspath = argv[optind++];
+        if (syspath == NULL) {
+                fprintf(stderr, "syspath missing\n\n");
+                rc = 3;
+                goto out;
+        }
+
+        udev_builtin_init(udev);
+
+        cmd = udev_builtin_lookup(command);
+        if (cmd >= UDEV_BUILTIN_MAX) {
+                fprintf(stderr, "unknown command '%s'\n", command);
+                help(udev);
+                rc = 5;
+                goto out;
+        }
+
+        /* add /sys if needed */
+        if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
+                util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL);
+        else
+                util_strscpy(filename, sizeof(filename), syspath);
+        util_remove_trailing_chars(filename, '/');
+
+        dev = udev_device_new_from_syspath(udev, filename);
+        if (dev == NULL) {
+                fprintf(stderr, "unable to open device '%s'\n\n", filename);
+                rc = 4;
+                goto out;
+        }
+
+        if (udev_builtin_run(dev, cmd, command, true) < 0) {
+                fprintf(stderr, "error executing '%s'\n\n", command);
+                rc = 6;
+        }
 out:
-	udev_device_unref(dev);
-	udev_builtin_exit(udev);
-	return rc;
+        udev_device_unref(dev);
+        udev_builtin_exit(udev);
+        return rc;
 }
 
 const struct udevadm_cmd udevadm_test_builtin = {
-	.name = "test-builtin",
-	.cmd = adm_builtin,
-	.help = "test a built-in command",
-	.debug = true,
+        .name = "test-builtin",
+        .cmd = adm_builtin,
+        .help = "test a built-in command",
+        .debug = true,
 };
diff --git a/src/udevadm-test.c b/src/udevadm-test.c
index 85150052..6275cff8 100644
--- a/src/udevadm-test.c
+++ b/src/udevadm-test.c
@@ -33,141 +33,141 @@
 
 static int adm_test(struct udev *udev, int argc, char *argv[])
 {
-	int resolve_names = 1;
-	char filename[UTIL_PATH_SIZE];
-	const char *action = "add";
-	const char *syspath = NULL;
-	struct udev_event *event = NULL;
-	struct udev_device *dev = NULL;
-	struct udev_rules *rules = NULL;
-	struct udev_list_entry *entry;
-	sigset_t mask, sigmask_orig;
-	int err;
-	int rc = 0;
-
-	static const struct option options[] = {
-		{ "action", required_argument, NULL, 'a' },
-		{ "resolve-names", required_argument, NULL, 'N' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-
-	info(udev, "version %s\n", VERSION);
-
-	for (;;) {
-		int option;
-
-		option = getopt_long(argc, argv, "a:s:N:fh", options, NULL);
-		if (option == -1)
-			break;
-
-		dbg(udev, "option '%c'\n", option);
-		switch (option) {
-		case 'a':
-			action = optarg;
-			break;
-		case 'N':
-			if (strcmp (optarg, "early") == 0) {
-				resolve_names = 1;
-			} else if (strcmp (optarg, "late") == 0) {
-				resolve_names = 0;
-			} else if (strcmp (optarg, "never") == 0) {
-				resolve_names = -1;
-			} else {
-				fprintf(stderr, "resolve-names must be early, late or never\n");
-				err(udev, "resolve-names must be early, late or never\n");
-				exit(EXIT_FAILURE);
-			}
-			break;
-		case 'h':
-			printf("Usage: udevadm test OPTIONS <syspath>\n"
-			       "  --action=<string>     set action string\n"
-			       "  --help\n\n");
-			exit(EXIT_SUCCESS);
-		default:
-			exit(EXIT_FAILURE);
-		}
-	}
-	syspath = argv[optind];
-
-	if (syspath == NULL) {
-		fprintf(stderr, "syspath parameter missing\n");
-		rc = 2;
-		goto out;
-	}
-
-	printf("This program is for debugging only, it does not run any program,\n"
-	       "specified by a RUN key. It may show incorrect results, because\n"
-	       "some values may be different, or not available at a simulation run.\n"
-	       "\n");
-
-	sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
-
-	udev_builtin_init(udev);
-
-	rules = udev_rules_new(udev, resolve_names);
-	if (rules == NULL) {
-		fprintf(stderr, "error reading rules\n");
-		rc = 3;
-		goto out;
-	}
-
-	/* add /sys if needed */
-	if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
-		util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL);
-	else
-		util_strscpy(filename, sizeof(filename), syspath);
-	util_remove_trailing_chars(filename, '/');
-
-	dev = udev_device_new_from_syspath(udev, filename);
-	if (dev == NULL) {
-		fprintf(stderr, "unable to open device '%s'\n", filename);
-		rc = 4;
-		goto out;
-	}
-
-	/* skip reading of db, but read kernel parameters */
-	udev_device_set_info_loaded(dev);
-	udev_device_read_uevent_file(dev);
-
-	udev_device_set_action(dev, action);
-	event = udev_event_new(dev);
-
-	sigfillset(&mask);
-	sigprocmask(SIG_SETMASK, &mask, &sigmask_orig);
-	event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
-	if (event->fd_signal < 0) {
-		fprintf(stderr, "error creating signalfd\n");
-		rc = 5;
-		goto out;
-	}
-
-	err = udev_event_execute_rules(event, rules, &sigmask_orig);
-
-	udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev))
-		printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry));
-
-	if (err == 0) {
-		udev_list_entry_foreach(entry, udev_list_get_entry(&event->run_list)) {
-			char program[UTIL_PATH_SIZE];
-
-			udev_event_apply_format(event, udev_list_entry_get_name(entry), program, sizeof(program));
-			printf("run: '%s'\n", program);
-		}
-	}
+        int resolve_names = 1;
+        char filename[UTIL_PATH_SIZE];
+        const char *action = "add";
+        const char *syspath = NULL;
+        struct udev_event *event = NULL;
+        struct udev_device *dev = NULL;
+        struct udev_rules *rules = NULL;
+        struct udev_list_entry *entry;
+        sigset_t mask, sigmask_orig;
+        int err;
+        int rc = 0;
+
+        static const struct option options[] = {
+                { "action", required_argument, NULL, 'a' },
+                { "resolve-names", required_argument, NULL, 'N' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+
+        info(udev, "version %s\n", VERSION);
+
+        for (;;) {
+                int option;
+
+                option = getopt_long(argc, argv, "a:s:N:fh", options, NULL);
+                if (option == -1)
+                        break;
+
+                dbg(udev, "option '%c'\n", option);
+                switch (option) {
+                case 'a':
+                        action = optarg;
+                        break;
+                case 'N':
+                        if (strcmp (optarg, "early") == 0) {
+                                resolve_names = 1;
+                        } else if (strcmp (optarg, "late") == 0) {
+                                resolve_names = 0;
+                        } else if (strcmp (optarg, "never") == 0) {
+                                resolve_names = -1;
+                        } else {
+                                fprintf(stderr, "resolve-names must be early, late or never\n");
+                                err(udev, "resolve-names must be early, late or never\n");
+                                exit(EXIT_FAILURE);
+                        }
+                        break;
+                case 'h':
+                        printf("Usage: udevadm test OPTIONS <syspath>\n"
+                               "  --action=<string>     set action string\n"
+                               "  --help\n\n");
+                        exit(EXIT_SUCCESS);
+                default:
+                        exit(EXIT_FAILURE);
+                }
+        }
+        syspath = argv[optind];
+
+        if (syspath == NULL) {
+                fprintf(stderr, "syspath parameter missing\n");
+                rc = 2;
+                goto out;
+        }
+
+        printf("This program is for debugging only, it does not run any program,\n"
+               "specified by a RUN key. It may show incorrect results, because\n"
+               "some values may be different, or not available at a simulation run.\n"
+               "\n");
+
+        sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
+
+        udev_builtin_init(udev);
+
+        rules = udev_rules_new(udev, resolve_names);
+        if (rules == NULL) {
+                fprintf(stderr, "error reading rules\n");
+                rc = 3;
+                goto out;
+        }
+
+        /* add /sys if needed */
+        if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
+                util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL);
+        else
+                util_strscpy(filename, sizeof(filename), syspath);
+        util_remove_trailing_chars(filename, '/');
+
+        dev = udev_device_new_from_syspath(udev, filename);
+        if (dev == NULL) {
+                fprintf(stderr, "unable to open device '%s'\n", filename);
+                rc = 4;
+                goto out;
+        }
+
+        /* skip reading of db, but read kernel parameters */
+        udev_device_set_info_loaded(dev);
+        udev_device_read_uevent_file(dev);
+
+        udev_device_set_action(dev, action);
+        event = udev_event_new(dev);
+
+        sigfillset(&mask);
+        sigprocmask(SIG_SETMASK, &mask, &sigmask_orig);
+        event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
+        if (event->fd_signal < 0) {
+                fprintf(stderr, "error creating signalfd\n");
+                rc = 5;
+                goto out;
+        }
+
+        err = udev_event_execute_rules(event, rules, &sigmask_orig);
+
+        udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev))
+                printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry));
+
+        if (err == 0) {
+                udev_list_entry_foreach(entry, udev_list_get_entry(&event->run_list)) {
+                        char program[UTIL_PATH_SIZE];
+
+                        udev_event_apply_format(event, udev_list_entry_get_name(entry), program, sizeof(program));
+                        printf("run: '%s'\n", program);
+                }
+        }
 out:
-	if (event != NULL && event->fd_signal >= 0)
-		close(event->fd_signal);
-	udev_event_unref(event);
-	udev_device_unref(dev);
-	udev_rules_unref(rules);
-	udev_builtin_exit(udev);
-	return rc;
+        if (event != NULL && event->fd_signal >= 0)
+                close(event->fd_signal);
+        udev_event_unref(event);
+        udev_device_unref(dev);
+        udev_rules_unref(rules);
+        udev_builtin_exit(udev);
+        return rc;
 }
 
 const struct udevadm_cmd udevadm_test = {
-	.name = "test",
-	.cmd = adm_test,
-	.help = "test an event run",
-	.debug = true,
+        .name = "test",
+        .cmd = adm_test,
+        .help = "test an event run",
+        .debug = true,
 };
diff --git a/src/udevadm-trigger.c b/src/udevadm-trigger.c
index 2cee2297..3cce23df 100644
--- a/src/udevadm-trigger.c
+++ b/src/udevadm-trigger.c
@@ -38,195 +38,195 @@ static int dry_run;
 
 static void exec_list(struct udev_enumerate *udev_enumerate, const char *action)
 {
-	struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
-	struct udev_list_entry *entry;
-
-	udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(udev_enumerate)) {
-		char filename[UTIL_PATH_SIZE];
-		int fd;
-
-		if (verbose)
-			printf("%s\n", udev_list_entry_get_name(entry));
-		if (dry_run)
-			continue;
-		util_strscpyl(filename, sizeof(filename), udev_list_entry_get_name(entry), "/uevent", NULL);
-		fd = open(filename, O_WRONLY);
-		if (fd < 0) {
-			dbg(udev, "error on opening %s: %m\n", filename);
-			continue;
-		}
-		if (write(fd, action, strlen(action)) < 0)
-			info(udev, "error writing '%s' to '%s': %m\n", action, filename);
-		close(fd);
-	}
+        struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
+        struct udev_list_entry *entry;
+
+        udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(udev_enumerate)) {
+                char filename[UTIL_PATH_SIZE];
+                int fd;
+
+                if (verbose)
+                        printf("%s\n", udev_list_entry_get_name(entry));
+                if (dry_run)
+                        continue;
+                util_strscpyl(filename, sizeof(filename), udev_list_entry_get_name(entry), "/uevent", NULL);
+                fd = open(filename, O_WRONLY);
+                if (fd < 0) {
+                        dbg(udev, "error on opening %s: %m\n", filename);
+                        continue;
+                }
+                if (write(fd, action, strlen(action)) < 0)
+                        info(udev, "error writing '%s' to '%s': %m\n", action, filename);
+                close(fd);
+        }
 }
 
 static const char *keyval(const char *str, const char **val, char *buf, size_t size)
 {
-	char *pos;
-
-	util_strscpy(buf, size,str);
-	pos = strchr(buf, '=');
-	if (pos != NULL) {
-		pos[0] = 0;
-		pos++;
-	}
-	*val = pos;
-	return buf;
+        char *pos;
+
+        util_strscpy(buf, size,str);
+        pos = strchr(buf, '=');
+        if (pos != NULL) {
+                pos[0] = 0;
+                pos++;
+        }
+        *val = pos;
+        return buf;
 }
 
 static int adm_trigger(struct udev *udev, int argc, char *argv[])
 {
-	static const struct option options[] = {
-		{ "verbose", no_argument, NULL, 'v' },
-		{ "dry-run", no_argument, NULL, 'n' },
-		{ "type", required_argument, NULL, 't' },
-		{ "action", required_argument, NULL, 'c' },
-		{ "subsystem-match", required_argument, NULL, 's' },
-		{ "subsystem-nomatch", required_argument, NULL, 'S' },
-		{ "attr-match", required_argument, NULL, 'a' },
-		{ "attr-nomatch", required_argument, NULL, 'A' },
-		{ "property-match", required_argument, NULL, 'p' },
-		{ "tag-match", required_argument, NULL, 'g' },
-		{ "sysname-match", required_argument, NULL, 'y' },
-		{ "parent-match", required_argument, NULL, 'b' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-	enum {
-		TYPE_DEVICES,
-		TYPE_SUBSYSTEMS,
-	} device_type = TYPE_DEVICES;
-	const char *action = "change";
-	struct udev_enumerate *udev_enumerate;
-	int rc = 0;
-
-	dbg(udev, "version %s\n", VERSION);
-	udev_enumerate = udev_enumerate_new(udev);
-	if (udev_enumerate == NULL) {
-		rc = 1;
-		goto exit;
-	}
-
-	for (;;) {
-		int option;
-		const char *key;
-		const char *val;
-		char buf[UTIL_PATH_SIZE];
-
-		option = getopt_long(argc, argv, "vng:o:t:hc:p:s:S:a:A:y:b:", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'v':
-			verbose = 1;
-			break;
-		case 'n':
-			dry_run = 1;
-			break;
-		case 't':
-			if (strcmp(optarg, "devices") == 0) {
-				device_type = TYPE_DEVICES;
-			} else if (strcmp(optarg, "subsystems") == 0) {
-				device_type = TYPE_SUBSYSTEMS;
-			} else {
-				err(udev, "unknown type --type=%s\n", optarg);
-				rc = 2;
-				goto exit;
-			}
-			break;
-		case 'c':
-			action = optarg;
-			break;
-		case 's':
-			udev_enumerate_add_match_subsystem(udev_enumerate, optarg);
-			break;
-		case 'S':
-			udev_enumerate_add_nomatch_subsystem(udev_enumerate, optarg);
-			break;
-		case 'a':
-			key = keyval(optarg, &val, buf, sizeof(buf));
-			udev_enumerate_add_match_sysattr(udev_enumerate, key, val);
-			break;
-		case 'A':
-			key = keyval(optarg, &val, buf, sizeof(buf));
-			udev_enumerate_add_nomatch_sysattr(udev_enumerate, key, val);
-			break;
-		case 'p':
-			key = keyval(optarg, &val, buf, sizeof(buf));
-			udev_enumerate_add_match_property(udev_enumerate, key, val);
-			break;
-		case 'g':
-			udev_enumerate_add_match_tag(udev_enumerate, optarg);
-			break;
-		case 'y':
-			udev_enumerate_add_match_sysname(udev_enumerate, optarg);
-			break;
-		case 'b': {
-			char path[UTIL_PATH_SIZE];
-			struct udev_device *dev;
-
-			/* add sys dir if needed */
-			if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
-				util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL);
-			else
-				util_strscpy(path, sizeof(path), optarg);
-			util_remove_trailing_chars(path, '/');
-			dev = udev_device_new_from_syspath(udev, path);
-			if (dev == NULL) {
-				err(udev, "unable to open the device '%s'\n", optarg);
-				rc = 2;
-				goto exit;
-			}
-			udev_enumerate_add_match_parent(udev_enumerate, dev);
-			/* drop reference immediately, enumerate pins the device as long as needed */
-			udev_device_unref(dev);
-			break;
-		}
-		case 'h':
-			printf("Usage: udevadm trigger OPTIONS\n"
-			       "  --verbose                       print the list of devices while running\n"
-			       "  --dry-run                       do not actually trigger the events\n"
-			       "  --type=                         type of events to trigger\n"
-			       "      devices                       sys devices (default)\n"
-			       "      subsystems                    sys subsystems and drivers\n"
-			       "  --action=<action>               event action value, default is \"change\"\n"
-			       "  --subsystem-match=<subsystem>   trigger devices from a matching subsystem\n"
-			       "  --subsystem-nomatch=<subsystem> exclude devices from a matching subsystem\n"
-			       "  --attr-match=<file[=<value>]>   trigger devices with a matching attribute\n"
-			       "  --attr-nomatch=<file[=<value>]> exclude devices with a matching attribute\n"
-			       "  --property-match=<key>=<value>  trigger devices with a matching property\n"
-			       "  --tag-match=<key>=<value>       trigger devices with a matching property\n"
-			       "  --sysname-match=<name>          trigger devices with a matching name\n"
-			       "  --parent-match=<name>           trigger devices with that parent device\n"
-			       "  --help\n\n");
-			goto exit;
-		default:
-			rc = 1;
-			goto exit;
-		}
-	}
-
-	switch (device_type) {
-	case TYPE_SUBSYSTEMS:
-		udev_enumerate_scan_subsystems(udev_enumerate);
-		exec_list(udev_enumerate, action);
-		goto exit;
-	case TYPE_DEVICES:
-		udev_enumerate_scan_devices(udev_enumerate);
-		exec_list(udev_enumerate, action);
-		goto exit;
-	default:
-		goto exit;
-	}
+        static const struct option options[] = {
+                { "verbose", no_argument, NULL, 'v' },
+                { "dry-run", no_argument, NULL, 'n' },
+                { "type", required_argument, NULL, 't' },
+                { "action", required_argument, NULL, 'c' },
+                { "subsystem-match", required_argument, NULL, 's' },
+                { "subsystem-nomatch", required_argument, NULL, 'S' },
+                { "attr-match", required_argument, NULL, 'a' },
+                { "attr-nomatch", required_argument, NULL, 'A' },
+                { "property-match", required_argument, NULL, 'p' },
+                { "tag-match", required_argument, NULL, 'g' },
+                { "sysname-match", required_argument, NULL, 'y' },
+                { "parent-match", required_argument, NULL, 'b' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+        enum {
+                TYPE_DEVICES,
+                TYPE_SUBSYSTEMS,
+        } device_type = TYPE_DEVICES;
+        const char *action = "change";
+        struct udev_enumerate *udev_enumerate;
+        int rc = 0;
+
+        dbg(udev, "version %s\n", VERSION);
+        udev_enumerate = udev_enumerate_new(udev);
+        if (udev_enumerate == NULL) {
+                rc = 1;
+                goto exit;
+        }
+
+        for (;;) {
+                int option;
+                const char *key;
+                const char *val;
+                char buf[UTIL_PATH_SIZE];
+
+                option = getopt_long(argc, argv, "vng:o:t:hc:p:s:S:a:A:y:b:", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'v':
+                        verbose = 1;
+                        break;
+                case 'n':
+                        dry_run = 1;
+                        break;
+                case 't':
+                        if (strcmp(optarg, "devices") == 0) {
+                                device_type = TYPE_DEVICES;
+                        } else if (strcmp(optarg, "subsystems") == 0) {
+                                device_type = TYPE_SUBSYSTEMS;
+                        } else {
+                                err(udev, "unknown type --type=%s\n", optarg);
+                                rc = 2;
+                                goto exit;
+                        }
+                        break;
+                case 'c':
+                        action = optarg;
+                        break;
+                case 's':
+                        udev_enumerate_add_match_subsystem(udev_enumerate, optarg);
+                        break;
+                case 'S':
+                        udev_enumerate_add_nomatch_subsystem(udev_enumerate, optarg);
+                        break;
+                case 'a':
+                        key = keyval(optarg, &val, buf, sizeof(buf));
+                        udev_enumerate_add_match_sysattr(udev_enumerate, key, val);
+                        break;
+                case 'A':
+                        key = keyval(optarg, &val, buf, sizeof(buf));
+                        udev_enumerate_add_nomatch_sysattr(udev_enumerate, key, val);
+                        break;
+                case 'p':
+                        key = keyval(optarg, &val, buf, sizeof(buf));
+                        udev_enumerate_add_match_property(udev_enumerate, key, val);
+                        break;
+                case 'g':
+                        udev_enumerate_add_match_tag(udev_enumerate, optarg);
+                        break;
+                case 'y':
+                        udev_enumerate_add_match_sysname(udev_enumerate, optarg);
+                        break;
+                case 'b': {
+                        char path[UTIL_PATH_SIZE];
+                        struct udev_device *dev;
+
+                        /* add sys dir if needed */
+                        if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
+                                util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL);
+                        else
+                                util_strscpy(path, sizeof(path), optarg);
+                        util_remove_trailing_chars(path, '/');
+                        dev = udev_device_new_from_syspath(udev, path);
+                        if (dev == NULL) {
+                                err(udev, "unable to open the device '%s'\n", optarg);
+                                rc = 2;
+                                goto exit;
+                        }
+                        udev_enumerate_add_match_parent(udev_enumerate, dev);
+                        /* drop reference immediately, enumerate pins the device as long as needed */
+                        udev_device_unref(dev);
+                        break;
+                }
+                case 'h':
+                        printf("Usage: udevadm trigger OPTIONS\n"
+                               "  --verbose                       print the list of devices while running\n"
+                               "  --dry-run                       do not actually trigger the events\n"
+                               "  --type=                         type of events to trigger\n"
+                               "      devices                       sys devices (default)\n"
+                               "      subsystems                    sys subsystems and drivers\n"
+                               "  --action=<action>               event action value, default is \"change\"\n"
+                               "  --subsystem-match=<subsystem>   trigger devices from a matching subsystem\n"
+                               "  --subsystem-nomatch=<subsystem> exclude devices from a matching subsystem\n"
+                               "  --attr-match=<file[=<value>]>   trigger devices with a matching attribute\n"
+                               "  --attr-nomatch=<file[=<value>]> exclude devices with a matching attribute\n"
+                               "  --property-match=<key>=<value>  trigger devices with a matching property\n"
+                               "  --tag-match=<key>=<value>       trigger devices with a matching property\n"
+                               "  --sysname-match=<name>          trigger devices with a matching name\n"
+                               "  --parent-match=<name>           trigger devices with that parent device\n"
+                               "  --help\n\n");
+                        goto exit;
+                default:
+                        rc = 1;
+                        goto exit;
+                }
+        }
+
+        switch (device_type) {
+        case TYPE_SUBSYSTEMS:
+                udev_enumerate_scan_subsystems(udev_enumerate);
+                exec_list(udev_enumerate, action);
+                goto exit;
+        case TYPE_DEVICES:
+                udev_enumerate_scan_devices(udev_enumerate);
+                exec_list(udev_enumerate, action);
+                goto exit;
+        default:
+                goto exit;
+        }
 exit:
-	udev_enumerate_unref(udev_enumerate);
-	return rc;
+        udev_enumerate_unref(udev_enumerate);
+        return rc;
 }
 
 const struct udevadm_cmd udevadm_trigger = {
-	.name = "trigger",
-	.cmd = adm_trigger,
-	.help = "request events from the kernel",
+        .name = "trigger",
+        .cmd = adm_trigger,
+        .help = "request events from the kernel",
 };
diff --git a/src/udevadm.c b/src/udevadm.c
index 5410f00c..224ece0b 100644
--- a/src/udevadm.c
+++ b/src/udevadm.c
@@ -28,138 +28,138 @@
 static bool debug;
 
 void udev_main_log(struct udev *udev, int priority,
-		   const char *file, int line, const char *fn,
-		   const char *format, va_list args)
+                   const char *file, int line, const char *fn,
+                   const char *format, va_list args)
 {
-	if (debug) {
-		fprintf(stderr, "%s: ", fn);
-		vfprintf(stderr, format, args);
-	} else {
-		va_list args2;
-
-		va_copy(args2, args);
-		vfprintf(stderr, format, args2);
-		va_end(args2);
-		vsyslog(priority, format, args);
-	}
+        if (debug) {
+                fprintf(stderr, "%s: ", fn);
+                vfprintf(stderr, format, args);
+        } else {
+                va_list args2;
+
+                va_copy(args2, args);
+                vfprintf(stderr, format, args2);
+                va_end(args2);
+                vsyslog(priority, format, args);
+        }
 }
 
 static int adm_version(struct udev *udev, int argc, char *argv[])
 {
-	printf("%s\n", VERSION);
-	return 0;
+        printf("%s\n", VERSION);
+        return 0;
 }
 static const struct udevadm_cmd udevadm_version = {
-	.name = "version",
-	.cmd = adm_version,
+        .name = "version",
+        .cmd = adm_version,
 };
 
 static int adm_help(struct udev *udev, int argc, char *argv[]);
 static const struct udevadm_cmd udevadm_help = {
-	.name = "help",
-	.cmd = adm_help,
+        .name = "help",
+        .cmd = adm_help,
 };
 
 static const struct udevadm_cmd *udevadm_cmds[] = {
-	&udevadm_info,
-	&udevadm_trigger,
-	&udevadm_settle,
-	&udevadm_control,
-	&udevadm_monitor,
-	&udevadm_test,
-	&udevadm_test_builtin,
-	&udevadm_version,
-	&udevadm_help,
+        &udevadm_info,
+        &udevadm_trigger,
+        &udevadm_settle,
+        &udevadm_control,
+        &udevadm_monitor,
+        &udevadm_test,
+        &udevadm_test_builtin,
+        &udevadm_version,
+        &udevadm_help,
 };
 
 static int adm_help(struct udev *udev, int argc, char *argv[])
 {
-	unsigned int i;
-
-	fprintf(stderr, "Usage: udevadm [--help] [--version] [--debug] COMMAND [COMMAND OPTIONS]\n");
-	for (i = 0; i < ARRAY_SIZE(udevadm_cmds); i++)
-		if (udevadm_cmds[i]->help != NULL)
-			printf("  %-12s %s\n", udevadm_cmds[i]->name, udevadm_cmds[i]->help);
-	fprintf(stderr, "\n");
-	return 0;
+        unsigned int i;
+
+        fprintf(stderr, "Usage: udevadm [--help] [--version] [--debug] COMMAND [COMMAND OPTIONS]\n");
+        for (i = 0; i < ARRAY_SIZE(udevadm_cmds); i++)
+                if (udevadm_cmds[i]->help != NULL)
+                        printf("  %-12s %s\n", udevadm_cmds[i]->name, udevadm_cmds[i]->help);
+        fprintf(stderr, "\n");
+        return 0;
 }
 
 static int run_command(struct udev *udev, const struct udevadm_cmd *cmd, int argc, char *argv[])
 {
-	if (cmd->debug) {
-		debug = true;
-		if (udev_get_log_priority(udev) < LOG_INFO)
-			udev_set_log_priority(udev, LOG_INFO);
-	}
-	info(udev, "calling: %s\n", cmd->name);
-	return cmd->cmd(udev, argc, argv);
+        if (cmd->debug) {
+                debug = true;
+                if (udev_get_log_priority(udev) < LOG_INFO)
+                        udev_set_log_priority(udev, LOG_INFO);
+        }
+        info(udev, "calling: %s\n", cmd->name);
+        return cmd->cmd(udev, argc, argv);
 }
 
 int main(int argc, char *argv[])
 {
-	struct udev *udev;
-	static const struct option options[] = {
-		{ "debug", no_argument, NULL, 'd' },
-		{ "help", no_argument, NULL, 'h' },
-		{ "version", no_argument, NULL, 'V' },
-		{}
-	};
-	const char *command;
-	unsigned int i;
-	int rc = 1;
-
-	udev = udev_new();
-	if (udev == NULL)
-		goto out;
-
-	udev_log_init("udevadm");
-	udev_set_log_fn(udev, udev_main_log);
-	udev_selinux_init(udev);
-
-	for (;;) {
-		int option;
-
-		option = getopt_long(argc, argv, "+dhV", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'd':
-			debug = true;
-			if (udev_get_log_priority(udev) < LOG_INFO)
-				udev_set_log_priority(udev, LOG_INFO);
-			break;
-		case 'h':
-			rc = adm_help(udev, argc, argv);
-			goto out;
-		case 'V':
-			rc = adm_version(udev, argc, argv);
-			goto out;
-		default:
-			goto out;
-		}
-	}
-	command = argv[optind];
-
-	info(udev, "runtime dir '%s'\n", udev_get_run_path(udev));
-
-	if (command != NULL)
-		for (i = 0; i < ARRAY_SIZE(udevadm_cmds); i++) {
-			if (strcmp(udevadm_cmds[i]->name, command) == 0) {
-				argc -= optind;
-				argv += optind;
-				optind = 0;
-				rc = run_command(udev, udevadm_cmds[i], argc, argv);
-				goto out;
-			}
-		}
-
-	fprintf(stderr, "missing or unknown command\n\n");
-	adm_help(udev, argc, argv);
-	rc = 2;
+        struct udev *udev;
+        static const struct option options[] = {
+                { "debug", no_argument, NULL, 'd' },
+                { "help", no_argument, NULL, 'h' },
+                { "version", no_argument, NULL, 'V' },
+                {}
+        };
+        const char *command;
+        unsigned int i;
+        int rc = 1;
+
+        udev = udev_new();
+        if (udev == NULL)
+                goto out;
+
+        udev_log_init("udevadm");
+        udev_set_log_fn(udev, udev_main_log);
+        udev_selinux_init(udev);
+
+        for (;;) {
+                int option;
+
+                option = getopt_long(argc, argv, "+dhV", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'd':
+                        debug = true;
+                        if (udev_get_log_priority(udev) < LOG_INFO)
+                                udev_set_log_priority(udev, LOG_INFO);
+                        break;
+                case 'h':
+                        rc = adm_help(udev, argc, argv);
+                        goto out;
+                case 'V':
+                        rc = adm_version(udev, argc, argv);
+                        goto out;
+                default:
+                        goto out;
+                }
+        }
+        command = argv[optind];
+
+        info(udev, "runtime dir '%s'\n", udev_get_run_path(udev));
+
+        if (command != NULL)
+                for (i = 0; i < ARRAY_SIZE(udevadm_cmds); i++) {
+                        if (strcmp(udevadm_cmds[i]->name, command) == 0) {
+                                argc -= optind;
+                                argv += optind;
+                                optind = 0;
+                                rc = run_command(udev, udevadm_cmds[i], argc, argv);
+                                goto out;
+                        }
+                }
+
+        fprintf(stderr, "missing or unknown command\n\n");
+        adm_help(udev, argc, argv);
+        rc = 2;
 out:
-	udev_selinux_exit(udev);
-	udev_unref(udev);
-	udev_log_close();
-	return rc;
+        udev_selinux_exit(udev);
+        udev_unref(udev);
+        udev_log_close();
+        return rc;
 }
diff --git a/src/udevd.c b/src/udevd.c
index b88213e5..11ab19a3 100644
--- a/src/udevd.c
+++ b/src/udevd.c
@@ -50,21 +50,21 @@
 static bool debug;
 
 void udev_main_log(struct udev *udev, int priority,
-		   const char *file, int line, const char *fn,
-		   const char *format, va_list args)
+                   const char *file, int line, const char *fn,
+                   const char *format, va_list args)
 {
-	if (debug) {
-		char buf[1024];
-		struct timespec ts;
-
-		vsnprintf(buf, sizeof(buf), format, args);
-		clock_gettime(CLOCK_MONOTONIC, &ts);
-		fprintf(stderr, "[%llu.%06u] [%u] %s: %s",
-			(unsigned long long) ts.tv_sec, (unsigned int) ts.tv_nsec/1000,
-			(int) getpid(), fn, buf);
-	} else {
-		vsyslog(priority, format, args);
-	}
+        if (debug) {
+                char buf[1024];
+                struct timespec ts;
+
+                vsnprintf(buf, sizeof(buf), format, args);
+                clock_gettime(CLOCK_MONOTONIC, &ts);
+                fprintf(stderr, "[%llu.%06u] [%u] %s: %s",
+                        (unsigned long long) ts.tv_sec, (unsigned int) ts.tv_nsec/1000,
+                        (int) getpid(), fn, buf);
+        } else {
+                vsyslog(priority, format, args);
+        }
 }
 
 static struct udev_rules *rules;
@@ -86,1623 +86,1623 @@ static UDEV_LIST(worker_list);
 static bool udev_exit;
 
 enum event_state {
-	EVENT_UNDEF,
-	EVENT_QUEUED,
-	EVENT_RUNNING,
+        EVENT_UNDEF,
+        EVENT_QUEUED,
+        EVENT_RUNNING,
 };
 
 struct event {
-	struct udev_list_node node;
-	struct udev *udev;
-	struct udev_device *dev;
-	enum event_state state;
-	int exitcode;
-	unsigned long long int delaying_seqnum;
-	unsigned long long int seqnum;
-	const char *devpath;
-	size_t devpath_len;
-	const char *devpath_old;
-	dev_t devnum;
-	bool is_block;
-	int ifindex;
+        struct udev_list_node node;
+        struct udev *udev;
+        struct udev_device *dev;
+        enum event_state state;
+        int exitcode;
+        unsigned long long int delaying_seqnum;
+        unsigned long long int seqnum;
+        const char *devpath;
+        size_t devpath_len;
+        const char *devpath_old;
+        dev_t devnum;
+        bool is_block;
+        int ifindex;
 };
 
 static struct event *node_to_event(struct udev_list_node *node)
 {
-	char *event;
+        char *event;
 
-	event = (char *)node;
-	event -= offsetof(struct event, node);
-	return (struct event *)event;
+        event = (char *)node;
+        event -= offsetof(struct event, node);
+        return (struct event *)event;
 }
 
 static void event_queue_cleanup(struct udev *udev, enum event_state type);
 
 enum worker_state {
-	WORKER_UNDEF,
-	WORKER_RUNNING,
-	WORKER_IDLE,
-	WORKER_KILLED,
+        WORKER_UNDEF,
+        WORKER_RUNNING,
+        WORKER_IDLE,
+        WORKER_KILLED,
 };
 
 struct worker {
-	struct udev_list_node node;
-	struct udev *udev;
-	int refcount;
-	pid_t pid;
-	struct udev_monitor *monitor;
-	enum worker_state state;
-	struct event *event;
+        struct udev_list_node node;
+        struct udev *udev;
+        int refcount;
+        pid_t pid;
+        struct udev_monitor *monitor;
+        enum worker_state state;
+        struct event *event;
 };
 
 /* passed from worker to main process */
 struct worker_message {
-	pid_t pid;
-	int exitcode;
+        pid_t pid;
+        int exitcode;
 };
 
 static struct worker *node_to_worker(struct udev_list_node *node)
 {
-	char *worker;
+        char *worker;
 
-	worker = (char *)node;
-	worker -= offsetof(struct worker, node);
-	return (struct worker *)worker;
+        worker = (char *)node;
+        worker -= offsetof(struct worker, node);
+        return (struct worker *)worker;
 }
 
 static void event_queue_delete(struct event *event, bool export)
 {
-	udev_list_node_remove(&event->node);
-
-	if (export) {
-		udev_queue_export_device_finished(udev_queue_export, event->dev);
-		info(event->udev, "seq %llu done with %i\n", udev_device_get_seqnum(event->dev), event->exitcode);
-	}
-	udev_device_unref(event->dev);
-	free(event);
+        udev_list_node_remove(&event->node);
+
+        if (export) {
+                udev_queue_export_device_finished(udev_queue_export, event->dev);
+                info(event->udev, "seq %llu done with %i\n", udev_device_get_seqnum(event->dev), event->exitcode);
+        }
+        udev_device_unref(event->dev);
+        free(event);
 }
 
 static struct worker *worker_ref(struct worker *worker)
 {
-	worker->refcount++;
-	return worker;
+        worker->refcount++;
+        return worker;
 }
 
 static void worker_cleanup(struct worker *worker)
 {
-	udev_list_node_remove(&worker->node);
-	udev_monitor_unref(worker->monitor);
-	children--;
-	free(worker);
+        udev_list_node_remove(&worker->node);
+        udev_monitor_unref(worker->monitor);
+        children--;
+        free(worker);
 }
 
 static void worker_unref(struct worker *worker)
 {
-	worker->refcount--;
-	if (worker->refcount > 0)
-		return;
-	info(worker->udev, "worker [%u] cleaned up\n", worker->pid);
-	worker_cleanup(worker);
+        worker->refcount--;
+        if (worker->refcount > 0)
+                return;
+        info(worker->udev, "worker [%u] cleaned up\n", worker->pid);
+        worker_cleanup(worker);
 }
 
 static void worker_list_cleanup(struct udev *udev)
 {
-	struct udev_list_node *loop, *tmp;
+        struct udev_list_node *loop, *tmp;
 
-	udev_list_node_foreach_safe(loop, tmp, &worker_list) {
-		struct worker *worker = node_to_worker(loop);
+        udev_list_node_foreach_safe(loop, tmp, &worker_list) {
+                struct worker *worker = node_to_worker(loop);
 
-		worker_cleanup(worker);
-	}
+                worker_cleanup(worker);
+        }
 }
 
 static void worker_new(struct event *event)
 {
-	struct udev *udev = event->udev;
-	struct worker *worker;
-	struct udev_monitor *worker_monitor;
-	pid_t pid;
-
-	/* listen for new events */
-	worker_monitor = udev_monitor_new_from_netlink(udev, NULL);
-	if (worker_monitor == NULL)
-		return;
-	/* allow the main daemon netlink address to send devices to the worker */
-	udev_monitor_allow_unicast_sender(worker_monitor, monitor);
-	udev_monitor_enable_receiving(worker_monitor);
-
-	worker = calloc(1, sizeof(struct worker));
-	if (worker == NULL) {
-		udev_monitor_unref(worker_monitor);
-		return;
-	}
-	/* worker + event reference */
-	worker->refcount = 2;
-	worker->udev = udev;
-
-	pid = fork();
-	switch (pid) {
-	case 0: {
-		struct udev_device *dev = NULL;
-		int fd_monitor;
-		struct epoll_event ep_signal, ep_monitor;
-		sigset_t mask;
-		int rc = EXIT_SUCCESS;
-
-		/* move initial device from queue */
-		dev = event->dev;
-		event->dev = NULL;
-
-		free(worker);
-		worker_list_cleanup(udev);
-		event_queue_cleanup(udev, EVENT_UNDEF);
-		udev_queue_export_unref(udev_queue_export);
-		udev_monitor_unref(monitor);
-		udev_ctrl_unref(udev_ctrl);
-		close(fd_signal);
-		close(fd_ep);
-		close(worker_watch[READ_END]);
-
-		sigfillset(&mask);
-		fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
-		if (fd_signal < 0) {
-			err(udev, "error creating signalfd %m\n");
-			rc = 2;
-			goto out;
-		}
-
-		fd_ep = epoll_create1(EPOLL_CLOEXEC);
-		if (fd_ep < 0) {
-			err(udev, "error creating epoll fd: %m\n");
-			rc = 3;
-			goto out;
-		}
-
-		memset(&ep_signal, 0, sizeof(struct epoll_event));
-		ep_signal.events = EPOLLIN;
-		ep_signal.data.fd = fd_signal;
-
-		fd_monitor = udev_monitor_get_fd(worker_monitor);
-		memset(&ep_monitor, 0, sizeof(struct epoll_event));
-		ep_monitor.events = EPOLLIN;
-		ep_monitor.data.fd = fd_monitor;
-
-		if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_signal, &ep_signal) < 0 ||
-		    epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_monitor, &ep_monitor) < 0) {
-			err(udev, "fail to add fds to epoll: %m\n");
-			rc = 4;
-			goto out;
-		}
-
-		/* request TERM signal if parent exits */
-		prctl(PR_SET_PDEATHSIG, SIGTERM);
-
-		for (;;) {
-			struct udev_event *udev_event;
-			struct worker_message msg;
-			int err;
-
-			info(udev, "seq %llu running\n", udev_device_get_seqnum(dev));
-			udev_event = udev_event_new(dev);
-			if (udev_event == NULL) {
-				rc = 5;
-				goto out;
-			}
-
-			/* needed for SIGCHLD/SIGTERM in spawn() */
-			udev_event->fd_signal = fd_signal;
-
-			if (exec_delay > 0)
-				udev_event->exec_delay = exec_delay;
-
-			/* apply rules, create node, symlinks */
-			err = udev_event_execute_rules(udev_event, rules, &sigmask_orig);
-
-			if (err == 0)
-				udev_event_execute_run(udev_event, &sigmask_orig);
-
-			/* apply/restore inotify watch */
-			if (err == 0 && udev_event->inotify_watch) {
-				udev_watch_begin(udev, dev);
-				udev_device_update_db(dev);
-			}
-
-			/* send processed event back to libudev listeners */
-			udev_monitor_send_device(worker_monitor, NULL, dev);
-
-			/* send udevd the result of the event execution */
-			memset(&msg, 0, sizeof(struct worker_message));
-			if (err != 0)
-				msg.exitcode = err;
-			msg.pid = getpid();
-			send(worker_watch[WRITE_END], &msg, sizeof(struct worker_message), 0);
-
-			info(udev, "seq %llu processed with %i\n", udev_device_get_seqnum(dev), err);
-
-			udev_device_unref(dev);
-			dev = NULL;
-
-			if (udev_event->sigterm) {
-				udev_event_unref(udev_event);
-				goto out;
-			}
-
-			udev_event_unref(udev_event);
-
-			/* wait for more device messages from main udevd, or term signal */
-			while (dev == NULL) {
-				struct epoll_event ev[4];
-				int fdcount;
-				int i;
-
-				fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1);
-				if (fdcount < 0) {
-					if (errno == EINTR)
-						continue;
-					err = -errno;
-					err(udev, "failed to poll: %m\n");
-					goto out;
-				}
-
-				for (i = 0; i < fdcount; i++) {
-					if (ev[i].data.fd == fd_monitor && ev[i].events & EPOLLIN) {
-						dev = udev_monitor_receive_device(worker_monitor);
-						break;
-					} else if (ev[i].data.fd == fd_signal && ev[i].events & EPOLLIN) {
-						struct signalfd_siginfo fdsi;
-						ssize_t size;
-
-						size = read(fd_signal, &fdsi, sizeof(struct signalfd_siginfo));
-						if (size != sizeof(struct signalfd_siginfo))
-							continue;
-						switch (fdsi.ssi_signo) {
-						case SIGTERM:
-							goto out;
-						}
-					}
-				}
-			}
-		}
+        struct udev *udev = event->udev;
+        struct worker *worker;
+        struct udev_monitor *worker_monitor;
+        pid_t pid;
+
+        /* listen for new events */
+        worker_monitor = udev_monitor_new_from_netlink(udev, NULL);
+        if (worker_monitor == NULL)
+                return;
+        /* allow the main daemon netlink address to send devices to the worker */
+        udev_monitor_allow_unicast_sender(worker_monitor, monitor);
+        udev_monitor_enable_receiving(worker_monitor);
+
+        worker = calloc(1, sizeof(struct worker));
+        if (worker == NULL) {
+                udev_monitor_unref(worker_monitor);
+                return;
+        }
+        /* worker + event reference */
+        worker->refcount = 2;
+        worker->udev = udev;
+
+        pid = fork();
+        switch (pid) {
+        case 0: {
+                struct udev_device *dev = NULL;
+                int fd_monitor;
+                struct epoll_event ep_signal, ep_monitor;
+                sigset_t mask;
+                int rc = EXIT_SUCCESS;
+
+                /* move initial device from queue */
+                dev = event->dev;
+                event->dev = NULL;
+
+                free(worker);
+                worker_list_cleanup(udev);
+                event_queue_cleanup(udev, EVENT_UNDEF);
+                udev_queue_export_unref(udev_queue_export);
+                udev_monitor_unref(monitor);
+                udev_ctrl_unref(udev_ctrl);
+                close(fd_signal);
+                close(fd_ep);
+                close(worker_watch[READ_END]);
+
+                sigfillset(&mask);
+                fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
+                if (fd_signal < 0) {
+                        err(udev, "error creating signalfd %m\n");
+                        rc = 2;
+                        goto out;
+                }
+
+                fd_ep = epoll_create1(EPOLL_CLOEXEC);
+                if (fd_ep < 0) {
+                        err(udev, "error creating epoll fd: %m\n");
+                        rc = 3;
+                        goto out;
+                }
+
+                memset(&ep_signal, 0, sizeof(struct epoll_event));
+                ep_signal.events = EPOLLIN;
+                ep_signal.data.fd = fd_signal;
+
+                fd_monitor = udev_monitor_get_fd(worker_monitor);
+                memset(&ep_monitor, 0, sizeof(struct epoll_event));
+                ep_monitor.events = EPOLLIN;
+                ep_monitor.data.fd = fd_monitor;
+
+                if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_signal, &ep_signal) < 0 ||
+                    epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_monitor, &ep_monitor) < 0) {
+                        err(udev, "fail to add fds to epoll: %m\n");
+                        rc = 4;
+                        goto out;
+                }
+
+                /* request TERM signal if parent exits */
+                prctl(PR_SET_PDEATHSIG, SIGTERM);
+
+                for (;;) {
+                        struct udev_event *udev_event;
+                        struct worker_message msg;
+                        int err;
+
+                        info(udev, "seq %llu running\n", udev_device_get_seqnum(dev));
+                        udev_event = udev_event_new(dev);
+                        if (udev_event == NULL) {
+                                rc = 5;
+                                goto out;
+                        }
+
+                        /* needed for SIGCHLD/SIGTERM in spawn() */
+                        udev_event->fd_signal = fd_signal;
+
+                        if (exec_delay > 0)
+                                udev_event->exec_delay = exec_delay;
+
+                        /* apply rules, create node, symlinks */
+                        err = udev_event_execute_rules(udev_event, rules, &sigmask_orig);
+
+                        if (err == 0)
+                                udev_event_execute_run(udev_event, &sigmask_orig);
+
+                        /* apply/restore inotify watch */
+                        if (err == 0 && udev_event->inotify_watch) {
+                                udev_watch_begin(udev, dev);
+                                udev_device_update_db(dev);
+                        }
+
+                        /* send processed event back to libudev listeners */
+                        udev_monitor_send_device(worker_monitor, NULL, dev);
+
+                        /* send udevd the result of the event execution */
+                        memset(&msg, 0, sizeof(struct worker_message));
+                        if (err != 0)
+                                msg.exitcode = err;
+                        msg.pid = getpid();
+                        send(worker_watch[WRITE_END], &msg, sizeof(struct worker_message), 0);
+
+                        info(udev, "seq %llu processed with %i\n", udev_device_get_seqnum(dev), err);
+
+                        udev_device_unref(dev);
+                        dev = NULL;
+
+                        if (udev_event->sigterm) {
+                                udev_event_unref(udev_event);
+                                goto out;
+                        }
+
+                        udev_event_unref(udev_event);
+
+                        /* wait for more device messages from main udevd, or term signal */
+                        while (dev == NULL) {
+                                struct epoll_event ev[4];
+                                int fdcount;
+                                int i;
+
+                                fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1);
+                                if (fdcount < 0) {
+                                        if (errno == EINTR)
+                                                continue;
+                                        err = -errno;
+                                        err(udev, "failed to poll: %m\n");
+                                        goto out;
+                                }
+
+                                for (i = 0; i < fdcount; i++) {
+                                        if (ev[i].data.fd == fd_monitor && ev[i].events & EPOLLIN) {
+                                                dev = udev_monitor_receive_device(worker_monitor);
+                                                break;
+                                        } else if (ev[i].data.fd == fd_signal && ev[i].events & EPOLLIN) {
+                                                struct signalfd_siginfo fdsi;
+                                                ssize_t size;
+
+                                                size = read(fd_signal, &fdsi, sizeof(struct signalfd_siginfo));
+                                                if (size != sizeof(struct signalfd_siginfo))
+                                                        continue;
+                                                switch (fdsi.ssi_signo) {
+                                                case SIGTERM:
+                                                        goto out;
+                                                }
+                                        }
+                                }
+                        }
+                }
 out:
-		udev_device_unref(dev);
-		if (fd_signal >= 0)
-			close(fd_signal);
-		if (fd_ep >= 0)
-			close(fd_ep);
-		close(fd_inotify);
-		close(worker_watch[WRITE_END]);
-		udev_rules_unref(rules);
-		udev_monitor_unref(worker_monitor);
-		udev_unref(udev);
-		udev_log_close();
-		exit(rc);
-	}
-	case -1:
-		udev_monitor_unref(worker_monitor);
-		event->state = EVENT_QUEUED;
-		free(worker);
-		err(udev, "fork of child failed: %m\n");
-		break;
-	default:
-		/* close monitor, but keep address around */
-		udev_monitor_disconnect(worker_monitor);
-		worker->monitor = worker_monitor;
-		worker->pid = pid;
-		worker->state = WORKER_RUNNING;
-		worker->event = event;
-		event->state = EVENT_RUNNING;
-		udev_list_node_append(&worker->node, &worker_list);
-		children++;
-		info(udev, "seq %llu forked new worker [%u]\n", udev_device_get_seqnum(event->dev), pid);
-		break;
-	}
+                udev_device_unref(dev);
+                if (fd_signal >= 0)
+                        close(fd_signal);
+                if (fd_ep >= 0)
+                        close(fd_ep);
+                close(fd_inotify);
+                close(worker_watch[WRITE_END]);
+                udev_rules_unref(rules);
+                udev_monitor_unref(worker_monitor);
+                udev_unref(udev);
+                udev_log_close();
+                exit(rc);
+        }
+        case -1:
+                udev_monitor_unref(worker_monitor);
+                event->state = EVENT_QUEUED;
+                free(worker);
+                err(udev, "fork of child failed: %m\n");
+                break;
+        default:
+                /* close monitor, but keep address around */
+                udev_monitor_disconnect(worker_monitor);
+                worker->monitor = worker_monitor;
+                worker->pid = pid;
+                worker->state = WORKER_RUNNING;
+                worker->event = event;
+                event->state = EVENT_RUNNING;
+                udev_list_node_append(&worker->node, &worker_list);
+                children++;
+                info(udev, "seq %llu forked new worker [%u]\n", udev_device_get_seqnum(event->dev), pid);
+                break;
+        }
 }
 
 static void event_run(struct event *event)
 {
-	struct udev_list_node *loop;
-
-	udev_list_node_foreach(loop, &worker_list) {
-		struct worker *worker = node_to_worker(loop);
-		ssize_t count;
-
-		if (worker->state != WORKER_IDLE)
-			continue;
-
-		count = udev_monitor_send_device(monitor, worker->monitor, event->dev);
-		if (count < 0) {
-			err(event->udev, "worker [%u] did not accept message %zi (%m), kill it\n", worker->pid, count);
-			kill(worker->pid, SIGKILL);
-			worker->state = WORKER_KILLED;
-			continue;
-		}
-		worker_ref(worker);
-		worker->event = event;
-		worker->state = WORKER_RUNNING;
-		event->state = EVENT_RUNNING;
-		return;
-	}
-
-	if (children >= children_max) {
-		if (children_max > 1)
-			info(event->udev, "maximum number (%i) of children reached\n", children);
-		return;
-	}
-
-	/* start new worker and pass initial device */
-	worker_new(event);
+        struct udev_list_node *loop;
+
+        udev_list_node_foreach(loop, &worker_list) {
+                struct worker *worker = node_to_worker(loop);
+                ssize_t count;
+
+                if (worker->state != WORKER_IDLE)
+                        continue;
+
+                count = udev_monitor_send_device(monitor, worker->monitor, event->dev);
+                if (count < 0) {
+                        err(event->udev, "worker [%u] did not accept message %zi (%m), kill it\n", worker->pid, count);
+                        kill(worker->pid, SIGKILL);
+                        worker->state = WORKER_KILLED;
+                        continue;
+                }
+                worker_ref(worker);
+                worker->event = event;
+                worker->state = WORKER_RUNNING;
+                event->state = EVENT_RUNNING;
+                return;
+        }
+
+        if (children >= children_max) {
+                if (children_max > 1)
+                        info(event->udev, "maximum number (%i) of children reached\n", children);
+                return;
+        }
+
+        /* start new worker and pass initial device */
+        worker_new(event);
 }
 
 static int event_queue_insert(struct udev_device *dev)
 {
-	struct event *event;
-
-	event = calloc(1, sizeof(struct event));
-	if (event == NULL)
-		return -1;
-
-	event->udev = udev_device_get_udev(dev);
-	event->dev = dev;
-	event->seqnum = udev_device_get_seqnum(dev);
-	event->devpath = udev_device_get_devpath(dev);
-	event->devpath_len = strlen(event->devpath);
-	event->devpath_old = udev_device_get_devpath_old(dev);
-	event->devnum = udev_device_get_devnum(dev);
-	event->is_block = (strcmp("block", udev_device_get_subsystem(dev)) == 0);
-	event->ifindex = udev_device_get_ifindex(dev);
-
-	udev_queue_export_device_queued(udev_queue_export, dev);
-	info(event->udev, "seq %llu queued, '%s' '%s'\n", udev_device_get_seqnum(dev),
-	     udev_device_get_action(dev), udev_device_get_subsystem(dev));
-
-	event->state = EVENT_QUEUED;
-	udev_list_node_append(&event->node, &event_list);
-	return 0;
+        struct event *event;
+
+        event = calloc(1, sizeof(struct event));
+        if (event == NULL)
+                return -1;
+
+        event->udev = udev_device_get_udev(dev);
+        event->dev = dev;
+        event->seqnum = udev_device_get_seqnum(dev);
+        event->devpath = udev_device_get_devpath(dev);
+        event->devpath_len = strlen(event->devpath);
+        event->devpath_old = udev_device_get_devpath_old(dev);
+        event->devnum = udev_device_get_devnum(dev);
+        event->is_block = (strcmp("block", udev_device_get_subsystem(dev)) == 0);
+        event->ifindex = udev_device_get_ifindex(dev);
+
+        udev_queue_export_device_queued(udev_queue_export, dev);
+        info(event->udev, "seq %llu queued, '%s' '%s'\n", udev_device_get_seqnum(dev),
+             udev_device_get_action(dev), udev_device_get_subsystem(dev));
+
+        event->state = EVENT_QUEUED;
+        udev_list_node_append(&event->node, &event_list);
+        return 0;
 }
 
 static void worker_kill(struct udev *udev, int retain)
 {
-	struct udev_list_node *loop;
-	int max;
+        struct udev_list_node *loop;
+        int max;
 
-	if (children <= retain)
-		return;
+        if (children <= retain)
+                return;
 
-	max = children - retain;
+        max = children - retain;
 
-	udev_list_node_foreach(loop, &worker_list) {
-		struct worker *worker = node_to_worker(loop);
+        udev_list_node_foreach(loop, &worker_list) {
+                struct worker *worker = node_to_worker(loop);
 
-		if (max-- <= 0)
-			break;
+                if (max-- <= 0)
+                        break;
 
-		if (worker->state == WORKER_KILLED)
-			continue;
+                if (worker->state == WORKER_KILLED)
+                        continue;
 
-		worker->state = WORKER_KILLED;
-		kill(worker->pid, SIGTERM);
-	}
+                worker->state = WORKER_KILLED;
+                kill(worker->pid, SIGTERM);
+        }
 }
 
 /* lookup event for identical, parent, child device */
 static bool is_devpath_busy(struct event *event)
 {
-	struct udev_list_node *loop;
-	size_t common;
-
-	/* check if queue contains events we depend on */
-	udev_list_node_foreach(loop, &event_list) {
-		struct event *loop_event = node_to_event(loop);
-
-		/* we already found a later event, earlier can not block us, no need to check again */
-		if (loop_event->seqnum < event->delaying_seqnum)
-			continue;
-
-		/* event we checked earlier still exists, no need to check again */
-		if (loop_event->seqnum == event->delaying_seqnum)
-			return true;
-
-		/* found ourself, no later event can block us */
-		if (loop_event->seqnum >= event->seqnum)
-			break;
-
-		/* check major/minor */
-		if (major(event->devnum) != 0 && event->devnum == loop_event->devnum && event->is_block == loop_event->is_block)
-			return true;
-
-		/* check network device ifindex */
-		if (event->ifindex != 0 && event->ifindex == loop_event->ifindex)
-			return true;
-
-		/* check our old name */
-		if (event->devpath_old != NULL && strcmp(loop_event->devpath, event->devpath_old) == 0) {
-			event->delaying_seqnum = loop_event->seqnum;
-			return true;
-		}
-
-		/* compare devpath */
-		common = MIN(loop_event->devpath_len, event->devpath_len);
-
-		/* one devpath is contained in the other? */
-		if (memcmp(loop_event->devpath, event->devpath, common) != 0)
-			continue;
-
-		/* identical device event found */
-		if (loop_event->devpath_len == event->devpath_len) {
-			/* devices names might have changed/swapped in the meantime */
-			if (major(event->devnum) != 0 && (event->devnum != loop_event->devnum || event->is_block != loop_event->is_block))
-				continue;
-			if (event->ifindex != 0 && event->ifindex != loop_event->ifindex)
-				continue;
-			event->delaying_seqnum = loop_event->seqnum;
-			return true;
-		}
-
-		/* parent device event found */
-		if (event->devpath[common] == '/') {
-			event->delaying_seqnum = loop_event->seqnum;
-			return true;
-		}
-
-		/* child device event found */
-		if (loop_event->devpath[common] == '/') {
-			event->delaying_seqnum = loop_event->seqnum;
-			return true;
-		}
-
-		/* no matching device */
-		continue;
-	}
-
-	return false;
+        struct udev_list_node *loop;
+        size_t common;
+
+        /* check if queue contains events we depend on */
+        udev_list_node_foreach(loop, &event_list) {
+                struct event *loop_event = node_to_event(loop);
+
+                /* we already found a later event, earlier can not block us, no need to check again */
+                if (loop_event->seqnum < event->delaying_seqnum)
+                        continue;
+
+                /* event we checked earlier still exists, no need to check again */
+                if (loop_event->seqnum == event->delaying_seqnum)
+                        return true;
+
+                /* found ourself, no later event can block us */
+                if (loop_event->seqnum >= event->seqnum)
+                        break;
+
+                /* check major/minor */
+                if (major(event->devnum) != 0 && event->devnum == loop_event->devnum && event->is_block == loop_event->is_block)
+                        return true;
+
+                /* check network device ifindex */
+                if (event->ifindex != 0 && event->ifindex == loop_event->ifindex)
+                        return true;
+
+                /* check our old name */
+                if (event->devpath_old != NULL && strcmp(loop_event->devpath, event->devpath_old) == 0) {
+                        event->delaying_seqnum = loop_event->seqnum;
+                        return true;
+                }
+
+                /* compare devpath */
+                common = MIN(loop_event->devpath_len, event->devpath_len);
+
+                /* one devpath is contained in the other? */
+                if (memcmp(loop_event->devpath, event->devpath, common) != 0)
+                        continue;
+
+                /* identical device event found */
+                if (loop_event->devpath_len == event->devpath_len) {
+                        /* devices names might have changed/swapped in the meantime */
+                        if (major(event->devnum) != 0 && (event->devnum != loop_event->devnum || event->is_block != loop_event->is_block))
+                                continue;
+                        if (event->ifindex != 0 && event->ifindex != loop_event->ifindex)
+                                continue;
+                        event->delaying_seqnum = loop_event->seqnum;
+                        return true;
+                }
+
+                /* parent device event found */
+                if (event->devpath[common] == '/') {
+                        event->delaying_seqnum = loop_event->seqnum;
+                        return true;
+                }
+
+                /* child device event found */
+                if (loop_event->devpath[common] == '/') {
+                        event->delaying_seqnum = loop_event->seqnum;
+                        return true;
+                }
+
+                /* no matching device */
+                continue;
+        }
+
+        return false;
 }
 
 static void event_queue_start(struct udev *udev)
 {
-	struct udev_list_node *loop;
+        struct udev_list_node *loop;
 
-	udev_list_node_foreach(loop, &event_list) {
-		struct event *event = node_to_event(loop);
+        udev_list_node_foreach(loop, &event_list) {
+                struct event *event = node_to_event(loop);
 
-		if (event->state != EVENT_QUEUED)
-			continue;
+                if (event->state != EVENT_QUEUED)
+                        continue;
 
-		/* do not start event if parent or child event is still running */
-		if (is_devpath_busy(event)) {
-			dbg(udev, "delay seq %llu (%s)\n", event->seqnum, event->devpath);
-			continue;
-		}
+                /* do not start event if parent or child event is still running */
+                if (is_devpath_busy(event)) {
+                        dbg(udev, "delay seq %llu (%s)\n", event->seqnum, event->devpath);
+                        continue;
+                }
 
-		event_run(event);
-	}
+                event_run(event);
+        }
 }
 
 static void event_queue_cleanup(struct udev *udev, enum event_state match_type)
 {
-	struct udev_list_node *loop, *tmp;
+        struct udev_list_node *loop, *tmp;
 
-	udev_list_node_foreach_safe(loop, tmp, &event_list) {
-		struct event *event = node_to_event(loop);
+        udev_list_node_foreach_safe(loop, tmp, &event_list) {
+                struct event *event = node_to_event(loop);
 
-		if (match_type != EVENT_UNDEF && match_type != event->state)
-			continue;
+                if (match_type != EVENT_UNDEF && match_type != event->state)
+                        continue;
 
-		event_queue_delete(event, false);
-	}
+                event_queue_delete(event, false);
+        }
 }
 
 static void worker_returned(int fd_worker)
 {
-	for (;;) {
-		struct worker_message msg;
-		ssize_t size;
-		struct udev_list_node *loop;
-
-		size = recv(fd_worker, &msg, sizeof(struct worker_message), MSG_DONTWAIT);
-		if (size != sizeof(struct worker_message))
-			break;
-
-		/* lookup worker who sent the signal */
-		udev_list_node_foreach(loop, &worker_list) {
-			struct worker *worker = node_to_worker(loop);
-
-			if (worker->pid != msg.pid)
-				continue;
-
-			/* worker returned */
-			worker->event->exitcode = msg.exitcode;
-			event_queue_delete(worker->event, true);
-			worker->event = NULL;
-			if (worker->state != WORKER_KILLED)
-				worker->state = WORKER_IDLE;
-			worker_unref(worker);
-			break;
-		}
-	}
+        for (;;) {
+                struct worker_message msg;
+                ssize_t size;
+                struct udev_list_node *loop;
+
+                size = recv(fd_worker, &msg, sizeof(struct worker_message), MSG_DONTWAIT);
+                if (size != sizeof(struct worker_message))
+                        break;
+
+                /* lookup worker who sent the signal */
+                udev_list_node_foreach(loop, &worker_list) {
+                        struct worker *worker = node_to_worker(loop);
+
+                        if (worker->pid != msg.pid)
+                                continue;
+
+                        /* worker returned */
+                        worker->event->exitcode = msg.exitcode;
+                        event_queue_delete(worker->event, true);
+                        worker->event = NULL;
+                        if (worker->state != WORKER_KILLED)
+                                worker->state = WORKER_IDLE;
+                        worker_unref(worker);
+                        break;
+                }
+        }
 }
 
 /* receive the udevd message from userspace */
 static struct udev_ctrl_connection *handle_ctrl_msg(struct udev_ctrl *uctrl)
 {
-	struct udev *udev = udev_ctrl_get_udev(uctrl);
-	struct udev_ctrl_connection *ctrl_conn;
-	struct udev_ctrl_msg *ctrl_msg = NULL;
-	const char *str;
-	int i;
-
-	ctrl_conn = udev_ctrl_get_connection(uctrl);
-	if (ctrl_conn == NULL)
-		goto out;
-
-	ctrl_msg = udev_ctrl_receive_msg(ctrl_conn);
-	if (ctrl_msg == NULL)
-		goto out;
-
-	i = udev_ctrl_get_set_log_level(ctrl_msg);
-	if (i >= 0) {
-		info(udev, "udevd message (SET_LOG_PRIORITY) received, log_priority=%i\n", i);
-		udev_set_log_priority(udev, i);
-		worker_kill(udev, 0);
-	}
-
-	if (udev_ctrl_get_stop_exec_queue(ctrl_msg) > 0) {
-		info(udev, "udevd message (STOP_EXEC_QUEUE) received\n");
-		stop_exec_queue = true;
-	}
-
-	if (udev_ctrl_get_start_exec_queue(ctrl_msg) > 0) {
-		info(udev, "udevd message (START_EXEC_QUEUE) received\n");
-		stop_exec_queue = false;
-	}
-
-	if (udev_ctrl_get_reload(ctrl_msg) > 0) {
-		info(udev, "udevd message (RELOAD) received\n");
-		reload = true;
-	}
-
-	str = udev_ctrl_get_set_env(ctrl_msg);
-	if (str != NULL) {
-		char *key;
-
-		key = strdup(str);
-		if (key != NULL) {
-			char *val;
-
-			val = strchr(key, '=');
-			if (val != NULL) {
-				val[0] = '\0';
-				val = &val[1];
-				if (val[0] == '\0') {
-					info(udev, "udevd message (ENV) received, unset '%s'\n", key);
-					udev_add_property(udev, key, NULL);
-				} else {
-					info(udev, "udevd message (ENV) received, set '%s=%s'\n", key, val);
-					udev_add_property(udev, key, val);
-				}
-			} else {
-				err(udev, "wrong key format '%s'\n", key);
-			}
-			free(key);
-		}
-		worker_kill(udev, 0);
-	}
-
-	i = udev_ctrl_get_set_children_max(ctrl_msg);
-	if (i >= 0) {
-		info(udev, "udevd message (SET_MAX_CHILDREN) received, children_max=%i\n", i);
-		children_max = i;
-	}
-
-	if (udev_ctrl_get_ping(ctrl_msg) > 0)
-		info(udev, "udevd message (SYNC) received\n");
-
-	if (udev_ctrl_get_exit(ctrl_msg) > 0) {
-		info(udev, "udevd message (EXIT) received\n");
-		udev_exit = true;
-		/* keep reference to block the client until we exit */
-		udev_ctrl_connection_ref(ctrl_conn);
-	}
+        struct udev *udev = udev_ctrl_get_udev(uctrl);
+        struct udev_ctrl_connection *ctrl_conn;
+        struct udev_ctrl_msg *ctrl_msg = NULL;
+        const char *str;
+        int i;
+
+        ctrl_conn = udev_ctrl_get_connection(uctrl);
+        if (ctrl_conn == NULL)
+                goto out;
+
+        ctrl_msg = udev_ctrl_receive_msg(ctrl_conn);
+        if (ctrl_msg == NULL)
+                goto out;
+
+        i = udev_ctrl_get_set_log_level(ctrl_msg);
+        if (i >= 0) {
+                info(udev, "udevd message (SET_LOG_PRIORITY) received, log_priority=%i\n", i);
+                udev_set_log_priority(udev, i);
+                worker_kill(udev, 0);
+        }
+
+        if (udev_ctrl_get_stop_exec_queue(ctrl_msg) > 0) {
+                info(udev, "udevd message (STOP_EXEC_QUEUE) received\n");
+                stop_exec_queue = true;
+        }
+
+        if (udev_ctrl_get_start_exec_queue(ctrl_msg) > 0) {
+                info(udev, "udevd message (START_EXEC_QUEUE) received\n");
+                stop_exec_queue = false;
+        }
+
+        if (udev_ctrl_get_reload(ctrl_msg) > 0) {
+                info(udev, "udevd message (RELOAD) received\n");
+                reload = true;
+        }
+
+        str = udev_ctrl_get_set_env(ctrl_msg);
+        if (str != NULL) {
+                char *key;
+
+                key = strdup(str);
+                if (key != NULL) {
+                        char *val;
+
+                        val = strchr(key, '=');
+                        if (val != NULL) {
+                                val[0] = '\0';
+                                val = &val[1];
+                                if (val[0] == '\0') {
+                                        info(udev, "udevd message (ENV) received, unset '%s'\n", key);
+                                        udev_add_property(udev, key, NULL);
+                                } else {
+                                        info(udev, "udevd message (ENV) received, set '%s=%s'\n", key, val);
+                                        udev_add_property(udev, key, val);
+                                }
+                        } else {
+                                err(udev, "wrong key format '%s'\n", key);
+                        }
+                        free(key);
+                }
+                worker_kill(udev, 0);
+        }
+
+        i = udev_ctrl_get_set_children_max(ctrl_msg);
+        if (i >= 0) {
+                info(udev, "udevd message (SET_MAX_CHILDREN) received, children_max=%i\n", i);
+                children_max = i;
+        }
+
+        if (udev_ctrl_get_ping(ctrl_msg) > 0)
+                info(udev, "udevd message (SYNC) received\n");
+
+        if (udev_ctrl_get_exit(ctrl_msg) > 0) {
+                info(udev, "udevd message (EXIT) received\n");
+                udev_exit = true;
+                /* keep reference to block the client until we exit */
+                udev_ctrl_connection_ref(ctrl_conn);
+        }
 out:
-	udev_ctrl_msg_unref(ctrl_msg);
-	return udev_ctrl_connection_unref(ctrl_conn);
+        udev_ctrl_msg_unref(ctrl_msg);
+        return udev_ctrl_connection_unref(ctrl_conn);
 }
 
 /* read inotify messages */
 static int handle_inotify(struct udev *udev)
 {
-	int nbytes, pos;
-	char *buf;
-	struct inotify_event *ev;
-
-	if ((ioctl(fd_inotify, FIONREAD, &nbytes) < 0) || (nbytes <= 0))
-		return 0;
-
-	buf = malloc(nbytes);
-	if (buf == NULL) {
-		err(udev, "error getting buffer for inotify\n");
-		return -1;
-	}
-
-	nbytes = read(fd_inotify, buf, nbytes);
-
-	for (pos = 0; pos < nbytes; pos += sizeof(struct inotify_event) + ev->len) {
-		struct udev_device *dev;
-
-		ev = (struct inotify_event *)(buf + pos);
-		dev = udev_watch_lookup(udev, ev->wd);
-		if (dev != NULL) {
-			info(udev, "inotify event: %x for %s\n", ev->mask, udev_device_get_devnode(dev));
-			if (ev->mask & IN_CLOSE_WRITE) {
-				char filename[UTIL_PATH_SIZE];
-				int fd;
-
-				info(udev, "device %s closed, synthesising 'change'\n", udev_device_get_devnode(dev));
-				util_strscpyl(filename, sizeof(filename), udev_device_get_syspath(dev), "/uevent", NULL);
-				fd = open(filename, O_WRONLY);
-				if (fd >= 0) {
-					if (write(fd, "change", 6) < 0)
-						info(udev, "error writing uevent: %m\n");
-					close(fd);
-				}
-			}
-			if (ev->mask & IN_IGNORED)
-				udev_watch_end(udev, dev);
-
-			udev_device_unref(dev);
-		}
-
-	}
-
-	free(buf);
-	return 0;
+        int nbytes, pos;
+        char *buf;
+        struct inotify_event *ev;
+
+        if ((ioctl(fd_inotify, FIONREAD, &nbytes) < 0) || (nbytes <= 0))
+                return 0;
+
+        buf = malloc(nbytes);
+        if (buf == NULL) {
+                err(udev, "error getting buffer for inotify\n");
+                return -1;
+        }
+
+        nbytes = read(fd_inotify, buf, nbytes);
+
+        for (pos = 0; pos < nbytes; pos += sizeof(struct inotify_event) + ev->len) {
+                struct udev_device *dev;
+
+                ev = (struct inotify_event *)(buf + pos);
+                dev = udev_watch_lookup(udev, ev->wd);
+                if (dev != NULL) {
+                        info(udev, "inotify event: %x for %s\n", ev->mask, udev_device_get_devnode(dev));
+                        if (ev->mask & IN_CLOSE_WRITE) {
+                                char filename[UTIL_PATH_SIZE];
+                                int fd;
+
+                                info(udev, "device %s closed, synthesising 'change'\n", udev_device_get_devnode(dev));
+                                util_strscpyl(filename, sizeof(filename), udev_device_get_syspath(dev), "/uevent", NULL);
+                                fd = open(filename, O_WRONLY);
+                                if (fd >= 0) {
+                                        if (write(fd, "change", 6) < 0)
+                                                info(udev, "error writing uevent: %m\n");
+                                        close(fd);
+                                }
+                        }
+                        if (ev->mask & IN_IGNORED)
+                                udev_watch_end(udev, dev);
+
+                        udev_device_unref(dev);
+                }
+
+        }
+
+        free(buf);
+        return 0;
 }
 
 static void handle_signal(struct udev *udev, int signo)
 {
-	switch (signo) {
-	case SIGINT:
-	case SIGTERM:
-		udev_exit = true;
-		break;
-	case SIGCHLD:
-		for (;;) {
-			pid_t pid;
-			int status;
-			struct udev_list_node *loop, *tmp;
-
-			pid = waitpid(-1, &status, WNOHANG);
-			if (pid <= 0)
-				break;
-
-			udev_list_node_foreach_safe(loop, tmp, &worker_list) {
-				struct worker *worker = node_to_worker(loop);
-
-				if (worker->pid != pid)
-					continue;
-				info(udev, "worker [%u] exit\n", pid);
-
-				if (WIFEXITED(status)) {
-					if (WEXITSTATUS(status) != 0)
-						err(udev, "worker [%u] exit with return code %i\n", pid, WEXITSTATUS(status));
-				} else if (WIFSIGNALED(status)) {
-					err(udev, "worker [%u] terminated by signal %i (%s)\n",
-					    pid, WTERMSIG(status), strsignal(WTERMSIG(status)));
-				} else if (WIFSTOPPED(status)) {
-					err(udev, "worker [%u] stopped\n", pid);
-				} else if (WIFCONTINUED(status)) {
-					err(udev, "worker [%u] continued\n", pid);
-				} else {
-					err(udev, "worker [%u] exit with status 0x%04x\n", pid, status);
-				}
-
-				if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
-					if (worker->event != NULL) {
-						err(udev, "worker [%u] failed while handling '%s'\n",
-						    pid, worker->event->devpath);
-						worker->event->exitcode = -32;
-						event_queue_delete(worker->event, true);
-						/* drop reference taken for state 'running' */
-						worker_unref(worker);
-					}
-				}
-				worker_unref(worker);
-				break;
-			}
-		}
-		break;
-	case SIGHUP:
-		reload = true;
-		break;
-	}
+        switch (signo) {
+        case SIGINT:
+        case SIGTERM:
+                udev_exit = true;
+                break;
+        case SIGCHLD:
+                for (;;) {
+                        pid_t pid;
+                        int status;
+                        struct udev_list_node *loop, *tmp;
+
+                        pid = waitpid(-1, &status, WNOHANG);
+                        if (pid <= 0)
+                                break;
+
+                        udev_list_node_foreach_safe(loop, tmp, &worker_list) {
+                                struct worker *worker = node_to_worker(loop);
+
+                                if (worker->pid != pid)
+                                        continue;
+                                info(udev, "worker [%u] exit\n", pid);
+
+                                if (WIFEXITED(status)) {
+                                        if (WEXITSTATUS(status) != 0)
+                                                err(udev, "worker [%u] exit with return code %i\n", pid, WEXITSTATUS(status));
+                                } else if (WIFSIGNALED(status)) {
+                                        err(udev, "worker [%u] terminated by signal %i (%s)\n",
+                                            pid, WTERMSIG(status), strsignal(WTERMSIG(status)));
+                                } else if (WIFSTOPPED(status)) {
+                                        err(udev, "worker [%u] stopped\n", pid);
+                                } else if (WIFCONTINUED(status)) {
+                                        err(udev, "worker [%u] continued\n", pid);
+                                } else {
+                                        err(udev, "worker [%u] exit with status 0x%04x\n", pid, status);
+                                }
+
+                                if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
+                                        if (worker->event != NULL) {
+                                                err(udev, "worker [%u] failed while handling '%s'\n",
+                                                    pid, worker->event->devpath);
+                                                worker->event->exitcode = -32;
+                                                event_queue_delete(worker->event, true);
+                                                /* drop reference taken for state 'running' */
+                                                worker_unref(worker);
+                                        }
+                                }
+                                worker_unref(worker);
+                                break;
+                        }
+                }
+                break;
+        case SIGHUP:
+                reload = true;
+                break;
+        }
 }
 
 static void static_dev_create_from_modules(struct udev *udev)
 {
-	struct utsname kernel;
-	char modules[UTIL_PATH_SIZE];
-	char buf[4096];
-	FILE *f;
-
-	uname(&kernel);
-	util_strscpyl(modules, sizeof(modules), "/lib/modules/", kernel.release, "/modules.devname", NULL);
-	f = fopen(modules, "r");
-	if (f == NULL)
-		return;
-
-	while (fgets(buf, sizeof(buf), f) != NULL) {
-		char *s;
-		const char *modname;
-		const char *devname;
-		const char *devno;
-		int maj, min;
-		char type;
-		mode_t mode;
-		char filename[UTIL_PATH_SIZE];
-
-		if (buf[0] == '#')
-			continue;
-
-		modname = buf;
-		s = strchr(modname, ' ');
-		if (s == NULL)
-			continue;
-		s[0] = '\0';
-
-		devname = &s[1];
-		s = strchr(devname, ' ');
-		if (s == NULL)
-			continue;
-		s[0] = '\0';
-
-		devno = &s[1];
-		s = strchr(devno, ' ');
-		if (s == NULL)
-			s = strchr(devno, '\n');
-		if (s != NULL)
-			s[0] = '\0';
-		if (sscanf(devno, "%c%u:%u", &type, &maj, &min) != 3)
-			continue;
-
-		if (type == 'c')
-			mode = S_IFCHR;
-		else if (type == 'b')
-			mode = S_IFBLK;
-		else
-			continue;
-
-		util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/", devname, NULL);
-		util_create_path_selinux(udev, filename);
-		udev_selinux_setfscreatecon(udev, filename, mode);
-		info(udev, "mknod '%s' %c%u:%u\n", filename, type, maj, min);
-		if (mknod(filename, mode, makedev(maj, min)) < 0 && errno == EEXIST)
-			utimensat(AT_FDCWD, filename, NULL, 0);
-		udev_selinux_resetfscreatecon(udev);
-	}
-
-	fclose(f);
+        struct utsname kernel;
+        char modules[UTIL_PATH_SIZE];
+        char buf[4096];
+        FILE *f;
+
+        uname(&kernel);
+        util_strscpyl(modules, sizeof(modules), "/lib/modules/", kernel.release, "/modules.devname", NULL);
+        f = fopen(modules, "r");
+        if (f == NULL)
+                return;
+
+        while (fgets(buf, sizeof(buf), f) != NULL) {
+                char *s;
+                const char *modname;
+                const char *devname;
+                const char *devno;
+                int maj, min;
+                char type;
+                mode_t mode;
+                char filename[UTIL_PATH_SIZE];
+
+                if (buf[0] == '#')
+                        continue;
+
+                modname = buf;
+                s = strchr(modname, ' ');
+                if (s == NULL)
+                        continue;
+                s[0] = '\0';
+
+                devname = &s[1];
+                s = strchr(devname, ' ');
+                if (s == NULL)
+                        continue;
+                s[0] = '\0';
+
+                devno = &s[1];
+                s = strchr(devno, ' ');
+                if (s == NULL)
+                        s = strchr(devno, '\n');
+                if (s != NULL)
+                        s[0] = '\0';
+                if (sscanf(devno, "%c%u:%u", &type, &maj, &min) != 3)
+                        continue;
+
+                if (type == 'c')
+                        mode = S_IFCHR;
+                else if (type == 'b')
+                        mode = S_IFBLK;
+                else
+                        continue;
+
+                util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/", devname, NULL);
+                util_create_path_selinux(udev, filename);
+                udev_selinux_setfscreatecon(udev, filename, mode);
+                info(udev, "mknod '%s' %c%u:%u\n", filename, type, maj, min);
+                if (mknod(filename, mode, makedev(maj, min)) < 0 && errno == EEXIST)
+                        utimensat(AT_FDCWD, filename, NULL, 0);
+                udev_selinux_resetfscreatecon(udev);
+        }
+
+        fclose(f);
 }
 
 static int copy_dev_dir(struct udev *udev, DIR *dir_from, DIR *dir_to, int maxdepth)
 {
-	struct dirent *dent;
-
-	for (dent = readdir(dir_from); dent != NULL; dent = readdir(dir_from)) {
-		struct stat stats;
-
-		if (dent->d_name[0] == '.')
-			continue;
-		if (fstatat(dirfd(dir_from), dent->d_name, &stats, AT_SYMLINK_NOFOLLOW) != 0)
-			continue;
-
-		if (S_ISBLK(stats.st_mode) || S_ISCHR(stats.st_mode)) {
-			udev_selinux_setfscreateconat(udev, dirfd(dir_to), dent->d_name, stats.st_mode & 0777);
-			if (mknodat(dirfd(dir_to), dent->d_name, stats.st_mode, stats.st_rdev) == 0) {
-				fchmodat(dirfd(dir_to), dent->d_name, stats.st_mode & 0777, 0);
-				fchownat(dirfd(dir_to), dent->d_name, stats.st_uid, stats.st_gid, 0);
-			} else {
-				utimensat(dirfd(dir_to), dent->d_name, NULL, 0);
-			}
-			udev_selinux_resetfscreatecon(udev);
-		} else if (S_ISLNK(stats.st_mode)) {
-			char target[UTIL_PATH_SIZE];
-			ssize_t len;
-
-			len = readlinkat(dirfd(dir_from), dent->d_name, target, sizeof(target));
-			if (len <= 0 || len == (ssize_t)sizeof(target))
-				continue;
-			target[len] = '\0';
-			udev_selinux_setfscreateconat(udev, dirfd(dir_to), dent->d_name, S_IFLNK);
-			if (symlinkat(target, dirfd(dir_to), dent->d_name) < 0 && errno == EEXIST)
-				utimensat(dirfd(dir_to), dent->d_name, NULL, AT_SYMLINK_NOFOLLOW);
-			udev_selinux_resetfscreatecon(udev);
-		} else if (S_ISDIR(stats.st_mode)) {
-			DIR *dir2_from, *dir2_to;
-
-			if (maxdepth == 0)
-				continue;
-
-			udev_selinux_setfscreateconat(udev, dirfd(dir_to), dent->d_name, S_IFDIR|0755);
-			mkdirat(dirfd(dir_to), dent->d_name, 0755);
-			udev_selinux_resetfscreatecon(udev);
-
-			dir2_to = fdopendir(openat(dirfd(dir_to), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC));
-			if (dir2_to == NULL)
-				continue;
-
-			dir2_from = fdopendir(openat(dirfd(dir_from), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC));
-			if (dir2_from == NULL) {
-				closedir(dir2_to);
-				continue;
-			}
-
-			copy_dev_dir(udev, dir2_from, dir2_to, maxdepth-1);
-
-			closedir(dir2_to);
-			closedir(dir2_from);
-		}
-	}
-
-	return 0;
+        struct dirent *dent;
+
+        for (dent = readdir(dir_from); dent != NULL; dent = readdir(dir_from)) {
+                struct stat stats;
+
+                if (dent->d_name[0] == '.')
+                        continue;
+                if (fstatat(dirfd(dir_from), dent->d_name, &stats, AT_SYMLINK_NOFOLLOW) != 0)
+                        continue;
+
+                if (S_ISBLK(stats.st_mode) || S_ISCHR(stats.st_mode)) {
+                        udev_selinux_setfscreateconat(udev, dirfd(dir_to), dent->d_name, stats.st_mode & 0777);
+                        if (mknodat(dirfd(dir_to), dent->d_name, stats.st_mode, stats.st_rdev) == 0) {
+                                fchmodat(dirfd(dir_to), dent->d_name, stats.st_mode & 0777, 0);
+                                fchownat(dirfd(dir_to), dent->d_name, stats.st_uid, stats.st_gid, 0);
+                        } else {
+                                utimensat(dirfd(dir_to), dent->d_name, NULL, 0);
+                        }
+                        udev_selinux_resetfscreatecon(udev);
+                } else if (S_ISLNK(stats.st_mode)) {
+                        char target[UTIL_PATH_SIZE];
+                        ssize_t len;
+
+                        len = readlinkat(dirfd(dir_from), dent->d_name, target, sizeof(target));
+                        if (len <= 0 || len == (ssize_t)sizeof(target))
+                                continue;
+                        target[len] = '\0';
+                        udev_selinux_setfscreateconat(udev, dirfd(dir_to), dent->d_name, S_IFLNK);
+                        if (symlinkat(target, dirfd(dir_to), dent->d_name) < 0 && errno == EEXIST)
+                                utimensat(dirfd(dir_to), dent->d_name, NULL, AT_SYMLINK_NOFOLLOW);
+                        udev_selinux_resetfscreatecon(udev);
+                } else if (S_ISDIR(stats.st_mode)) {
+                        DIR *dir2_from, *dir2_to;
+
+                        if (maxdepth == 0)
+                                continue;
+
+                        udev_selinux_setfscreateconat(udev, dirfd(dir_to), dent->d_name, S_IFDIR|0755);
+                        mkdirat(dirfd(dir_to), dent->d_name, 0755);
+                        udev_selinux_resetfscreatecon(udev);
+
+                        dir2_to = fdopendir(openat(dirfd(dir_to), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC));
+                        if (dir2_to == NULL)
+                                continue;
+
+                        dir2_from = fdopendir(openat(dirfd(dir_from), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC));
+                        if (dir2_from == NULL) {
+                                closedir(dir2_to);
+                                continue;
+                        }
+
+                        copy_dev_dir(udev, dir2_from, dir2_to, maxdepth-1);
+
+                        closedir(dir2_to);
+                        closedir(dir2_from);
+                }
+        }
+
+        return 0;
 }
 
 static void static_dev_create_links(struct udev *udev, DIR *dir)
 {
-	struct stdlinks {
-		const char *link;
-		const char *target;
-	};
-	static const struct stdlinks stdlinks[] = {
-		{ "core", "/proc/kcore" },
-		{ "fd", "/proc/self/fd" },
-		{ "stdin", "/proc/self/fd/0" },
-		{ "stdout", "/proc/self/fd/1" },
-		{ "stderr", "/proc/self/fd/2" },
-	};
-	unsigned int i;
-
-	for (i = 0; i < ARRAY_SIZE(stdlinks); i++) {
-		struct stat sb;
-
-		if (stat(stdlinks[i].target, &sb) == 0) {
-			udev_selinux_setfscreateconat(udev, dirfd(dir), stdlinks[i].link, S_IFLNK);
-			if (symlinkat(stdlinks[i].target, dirfd(dir), stdlinks[i].link) < 0 && errno == EEXIST)
-				utimensat(dirfd(dir), stdlinks[i].link, NULL, AT_SYMLINK_NOFOLLOW);
-			udev_selinux_resetfscreatecon(udev);
-		}
-	}
+        struct stdlinks {
+                const char *link;
+                const char *target;
+        };
+        static const struct stdlinks stdlinks[] = {
+                { "core", "/proc/kcore" },
+                { "fd", "/proc/self/fd" },
+                { "stdin", "/proc/self/fd/0" },
+                { "stdout", "/proc/self/fd/1" },
+                { "stderr", "/proc/self/fd/2" },
+        };
+        unsigned int i;
+
+        for (i = 0; i < ARRAY_SIZE(stdlinks); i++) {
+                struct stat sb;
+
+                if (stat(stdlinks[i].target, &sb) == 0) {
+                        udev_selinux_setfscreateconat(udev, dirfd(dir), stdlinks[i].link, S_IFLNK);
+                        if (symlinkat(stdlinks[i].target, dirfd(dir), stdlinks[i].link) < 0 && errno == EEXIST)
+                                utimensat(dirfd(dir), stdlinks[i].link, NULL, AT_SYMLINK_NOFOLLOW);
+                        udev_selinux_resetfscreatecon(udev);
+                }
+        }
 }
 
 static void static_dev_create_from_devices(struct udev *udev, DIR *dir)
 {
-	DIR *dir_from;
+        DIR *dir_from;
 
-	dir_from = opendir(PKGLIBEXECDIR "/devices");
-	if (dir_from == NULL)
-		return;
-	copy_dev_dir(udev, dir_from, dir, 8);
-	closedir(dir_from);
+        dir_from = opendir(PKGLIBEXECDIR "/devices");
+        if (dir_from == NULL)
+                return;
+        copy_dev_dir(udev, dir_from, dir, 8);
+        closedir(dir_from);
 }
 
 static void static_dev_create(struct udev *udev)
 {
-	DIR *dir;
+        DIR *dir;
 
-	dir = opendir(udev_get_dev_path(udev));
-	if (dir == NULL)
-		return;
+        dir = opendir(udev_get_dev_path(udev));
+        if (dir == NULL)
+                return;
 
-	static_dev_create_links(udev, dir);
-	static_dev_create_from_devices(udev, dir);
+        static_dev_create_links(udev, dir);
+        static_dev_create_from_devices(udev, dir);
 
-	closedir(dir);
+        closedir(dir);
 }
 
 static int mem_size_mb(void)
 {
-	FILE *f;
-	char buf[4096];
-	long int memsize = -1;
+        FILE *f;
+        char buf[4096];
+        long int memsize = -1;
 
-	f = fopen("/proc/meminfo", "r");
-	if (f == NULL)
-		return -1;
+        f = fopen("/proc/meminfo", "r");
+        if (f == NULL)
+                return -1;
 
-	while (fgets(buf, sizeof(buf), f) != NULL) {
-		long int value;
+        while (fgets(buf, sizeof(buf), f) != NULL) {
+                long int value;
 
-		if (sscanf(buf, "MemTotal: %ld kB", &value) == 1) {
-			memsize = value / 1024;
-			break;
-		}
-	}
+                if (sscanf(buf, "MemTotal: %ld kB", &value) == 1) {
+                        memsize = value / 1024;
+                        break;
+                }
+        }
 
-	fclose(f);
-	return memsize;
+        fclose(f);
+        return memsize;
 }
 
 static int convert_db(struct udev *udev)
 {
-	char filename[UTIL_PATH_SIZE];
-	FILE *f;
-	struct udev_enumerate *udev_enumerate;
-	struct udev_list_entry *list_entry;
-
-	/* current database */
-	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL);
-	if (access(filename, F_OK) >= 0)
-		return 0;
-
-	/* make sure we do not get here again */
-	util_create_path(udev, filename);
-	mkdir(filename, 0755);
-
-	/* old database */
-	util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/db", NULL);
-	if (access(filename, F_OK) < 0)
-		return 0;
-
-	f = fopen("/dev/kmsg", "w");
-	if (f != NULL) {
-		fprintf(f, "<30>udevd[%u]: converting old udev database\n", getpid());
-		fclose(f);
-	}
-
-	udev_enumerate = udev_enumerate_new(udev);
-	if (udev_enumerate == NULL)
-		return -1;
-	udev_enumerate_scan_devices(udev_enumerate);
-	udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) {
-		struct udev_device *device;
-
-		device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry));
-		if (device == NULL)
-			continue;
-
-		/* try to find the old database for devices without a current one */
-		if (udev_device_read_db(device, NULL) < 0) {
-			bool have_db;
-			const char *id;
-			struct stat stats;
-			char devpath[UTIL_PATH_SIZE];
-			char from[UTIL_PATH_SIZE];
-
-			have_db = false;
-
-			/* find database in old location */
-			id = udev_device_get_id_filename(device);
-			util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), "/.udev/db/", id, NULL);
-			if (lstat(from, &stats) == 0) {
-				if (!have_db) {
-					udev_device_read_db(device, from);
-					have_db = true;
-				}
-				unlink(from);
-			}
-
-			/* find old database with $subsys:$sysname name */
-			util_strscpyl(from, sizeof(from), udev_get_dev_path(udev),
-				     "/.udev/db/", udev_device_get_subsystem(device), ":",
-				     udev_device_get_sysname(device), NULL);
-			if (lstat(from, &stats) == 0) {
-				if (!have_db) {
-					udev_device_read_db(device, from);
-					have_db = true;
-				}
-				unlink(from);
-			}
-
-			/* find old database with the encoded devpath name */
-			util_path_encode(udev_device_get_devpath(device), devpath, sizeof(devpath));
-			util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), "/.udev/db/", devpath, NULL);
-			if (lstat(from, &stats) == 0) {
-				if (!have_db) {
-					udev_device_read_db(device, from);
-					have_db = true;
-				}
-				unlink(from);
-			}
-
-			/* write out new database */
-			if (have_db)
-				udev_device_update_db(device);
-		}
-		udev_device_unref(device);
-	}
-	udev_enumerate_unref(udev_enumerate);
-	return 0;
+        char filename[UTIL_PATH_SIZE];
+        FILE *f;
+        struct udev_enumerate *udev_enumerate;
+        struct udev_list_entry *list_entry;
+
+        /* current database */
+        util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL);
+        if (access(filename, F_OK) >= 0)
+                return 0;
+
+        /* make sure we do not get here again */
+        util_create_path(udev, filename);
+        mkdir(filename, 0755);
+
+        /* old database */
+        util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/db", NULL);
+        if (access(filename, F_OK) < 0)
+                return 0;
+
+        f = fopen("/dev/kmsg", "w");
+        if (f != NULL) {
+                fprintf(f, "<30>udevd[%u]: converting old udev database\n", getpid());
+                fclose(f);
+        }
+
+        udev_enumerate = udev_enumerate_new(udev);
+        if (udev_enumerate == NULL)
+                return -1;
+        udev_enumerate_scan_devices(udev_enumerate);
+        udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) {
+                struct udev_device *device;
+
+                device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry));
+                if (device == NULL)
+                        continue;
+
+                /* try to find the old database for devices without a current one */
+                if (udev_device_read_db(device, NULL) < 0) {
+                        bool have_db;
+                        const char *id;
+                        struct stat stats;
+                        char devpath[UTIL_PATH_SIZE];
+                        char from[UTIL_PATH_SIZE];
+
+                        have_db = false;
+
+                        /* find database in old location */
+                        id = udev_device_get_id_filename(device);
+                        util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), "/.udev/db/", id, NULL);
+                        if (lstat(from, &stats) == 0) {
+                                if (!have_db) {
+                                        udev_device_read_db(device, from);
+                                        have_db = true;
+                                }
+                                unlink(from);
+                        }
+
+                        /* find old database with $subsys:$sysname name */
+                        util_strscpyl(from, sizeof(from), udev_get_dev_path(udev),
+                                     "/.udev/db/", udev_device_get_subsystem(device), ":",
+                                     udev_device_get_sysname(device), NULL);
+                        if (lstat(from, &stats) == 0) {
+                                if (!have_db) {
+                                        udev_device_read_db(device, from);
+                                        have_db = true;
+                                }
+                                unlink(from);
+                        }
+
+                        /* find old database with the encoded devpath name */
+                        util_path_encode(udev_device_get_devpath(device), devpath, sizeof(devpath));
+                        util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), "/.udev/db/", devpath, NULL);
+                        if (lstat(from, &stats) == 0) {
+                                if (!have_db) {
+                                        udev_device_read_db(device, from);
+                                        have_db = true;
+                                }
+                                unlink(from);
+                        }
+
+                        /* write out new database */
+                        if (have_db)
+                                udev_device_update_db(device);
+                }
+                udev_device_unref(device);
+        }
+        udev_enumerate_unref(udev_enumerate);
+        return 0;
 }
 
 static int systemd_fds(struct udev *udev, int *rctrl, int *rnetlink)
 {
-	int ctrl = -1, netlink = -1;
-	int fd, n;
-
-	n = sd_listen_fds(true);
-	if (n <= 0)
-		return -1;
-
-	for (fd = SD_LISTEN_FDS_START; fd < n + SD_LISTEN_FDS_START; fd++) {
-		if (sd_is_socket(fd, AF_LOCAL, SOCK_SEQPACKET, -1)) {
-			if (ctrl >= 0)
-				return -1;
-			ctrl = fd;
-			continue;
-		}
-
-		if (sd_is_socket(fd, AF_NETLINK, SOCK_RAW, -1)) {
-			if (netlink >= 0)
-				return -1;
-			netlink = fd;
-			continue;
-		}
-
-		return -1;
-	}
-
-	if (ctrl < 0 || netlink < 0)
-		return -1;
-
-	info(udev, "ctrl=%i netlink=%i\n", ctrl, netlink);
-	*rctrl = ctrl;
-	*rnetlink = netlink;
-	return 0;
+        int ctrl = -1, netlink = -1;
+        int fd, n;
+
+        n = sd_listen_fds(true);
+        if (n <= 0)
+                return -1;
+
+        for (fd = SD_LISTEN_FDS_START; fd < n + SD_LISTEN_FDS_START; fd++) {
+                if (sd_is_socket(fd, AF_LOCAL, SOCK_SEQPACKET, -1)) {
+                        if (ctrl >= 0)
+                                return -1;
+                        ctrl = fd;
+                        continue;
+                }
+
+                if (sd_is_socket(fd, AF_NETLINK, SOCK_RAW, -1)) {
+                        if (netlink >= 0)
+                                return -1;
+                        netlink = fd;
+                        continue;
+                }
+
+                return -1;
+        }
+
+        if (ctrl < 0 || netlink < 0)
+                return -1;
+
+        info(udev, "ctrl=%i netlink=%i\n", ctrl, netlink);
+        *rctrl = ctrl;
+        *rnetlink = netlink;
+        return 0;
 }
 
 static bool check_rules_timestamp(struct udev *udev)
 {
-	char **p;
-	unsigned long long *stamp_usec;
-	int i, n;
-	bool changed = false;
+        char **p;
+        unsigned long long *stamp_usec;
+        int i, n;
+        bool changed = false;
 
-	n = udev_get_rules_path(udev, &p, &stamp_usec);
-	for (i = 0; i < n; i++) {
-		struct stat stats;
+        n = udev_get_rules_path(udev, &p, &stamp_usec);
+        for (i = 0; i < n; i++) {
+                struct stat stats;
 
-		if (stat(p[i], &stats) < 0)
-			continue;
+                if (stat(p[i], &stats) < 0)
+                        continue;
 
-		if (stamp_usec[i] == ts_usec(&stats.st_mtim))
-			continue;
+                if (stamp_usec[i] == ts_usec(&stats.st_mtim))
+                        continue;
 
-		/* first check */
-		if (stamp_usec[i] != 0) {
-			info(udev, "reload - timestamp of '%s' changed\n", p[i]);
-			changed = true;
-		}
+                /* first check */
+                if (stamp_usec[i] != 0) {
+                        info(udev, "reload - timestamp of '%s' changed\n", p[i]);
+                        changed = true;
+                }
 
-		/* update timestamp */
-		stamp_usec[i] = ts_usec(&stats.st_mtim);
-	}
+                /* update timestamp */
+                stamp_usec[i] = ts_usec(&stats.st_mtim);
+        }
 
-	return changed;
+        return changed;
 }
 
 int main(int argc, char *argv[])
 {
-	struct udev *udev;
-	FILE *f;
-	sigset_t mask;
-	int daemonize = false;
-	int resolve_names = 1;
-	static const struct option options[] = {
-		{ "daemon", no_argument, NULL, 'd' },
-		{ "debug", no_argument, NULL, 'D' },
-		{ "children-max", required_argument, NULL, 'c' },
-		{ "exec-delay", required_argument, NULL, 'e' },
-		{ "resolve-names", required_argument, NULL, 'N' },
-		{ "help", no_argument, NULL, 'h' },
-		{ "version", no_argument, NULL, 'V' },
-		{}
-	};
-	int fd_ctrl = -1;
-	int fd_netlink = -1;
-	int fd_worker = -1;
-	struct epoll_event ep_ctrl, ep_inotify, ep_signal, ep_netlink, ep_worker;
-	struct udev_ctrl_connection *ctrl_conn = NULL;
-	char **s;
-	int rc = 1;
-
-	udev = udev_new();
-	if (udev == NULL)
-		goto exit;
-
-	udev_log_init("udevd");
-	udev_set_log_fn(udev, udev_main_log);
-	info(udev, "version %s\n", VERSION);
-	udev_selinux_init(udev);
-
-	for (;;) {
-		int option;
-
-		option = getopt_long(argc, argv, "c:deDtN:hV", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'd':
-			daemonize = true;
-			break;
-		case 'c':
-			children_max = strtoul(optarg, NULL, 0);
-			break;
-		case 'e':
-			exec_delay = strtoul(optarg, NULL, 0);
-			break;
-		case 'D':
-			debug = true;
-			if (udev_get_log_priority(udev) < LOG_INFO)
-				udev_set_log_priority(udev, LOG_INFO);
-			break;
-		case 'N':
-			if (strcmp (optarg, "early") == 0) {
-				resolve_names = 1;
-			} else if (strcmp (optarg, "late") == 0) {
-				resolve_names = 0;
-			} else if (strcmp (optarg, "never") == 0) {
-				resolve_names = -1;
-			} else {
-				fprintf(stderr, "resolve-names must be early, late or never\n");
-				err(udev, "resolve-names must be early, late or never\n");
-				goto exit;
-			}
-			break;
-		case 'h':
-			printf("Usage: udevd OPTIONS\n"
-			       "  --daemon\n"
-			       "  --debug\n"
-			       "  --children-max=<maximum number of workers>\n"
-			       "  --exec-delay=<seconds to wait before executing RUN=>\n"
-			       "  --resolve-names=early|late|never\n"
-			       "  --version\n"
-			       "  --help\n"
-			       "\n");
-			goto exit;
-		case 'V':
-			printf("%s\n", VERSION);
-			goto exit;
-		default:
-			goto exit;
-		}
-	}
-
-	/*
-	 * read the kernel commandline, in case we need to get into debug mode
-	 *   udev.log-priority=<level>              syslog priority
-	 *   udev.children-max=<number of workers>  events are fully serialized if set to 1
-	 *
-	 */
-	f = fopen("/proc/cmdline", "r");
-	if (f != NULL) {
-		char cmdline[4096];
-
-		if (fgets(cmdline, sizeof(cmdline), f) != NULL) {
-			char *pos;
-
-			pos = strstr(cmdline, "udev.log-priority=");
-			if (pos != NULL) {
-				pos += strlen("udev.log-priority=");
-				udev_set_log_priority(udev, util_log_priority(pos));
-			}
-
-			pos = strstr(cmdline, "udev.children-max=");
-			if (pos != NULL) {
-				pos += strlen("udev.children-max=");
-				children_max = strtoul(pos, NULL, 0);
-			}
-
-			pos = strstr(cmdline, "udev.exec-delay=");
-			if (pos != NULL) {
-				pos += strlen("udev.exec-delay=");
-				exec_delay = strtoul(pos, NULL, 0);
-			}
-		}
-		fclose(f);
-	}
-
-	if (getuid() != 0) {
-		fprintf(stderr, "root privileges required\n");
-		err(udev, "root privileges required\n");
-		goto exit;
-	}
-
-	/* set umask before creating any file/directory */
-	chdir("/");
-	umask(022);
-
-	/* /run/udev */
-	mkdir(udev_get_run_path(udev), 0755);
-
-	/* create standard links, copy static nodes, create nodes from modules */
-	static_dev_create(udev);
-	static_dev_create_from_modules(udev);
-
-	/* before opening new files, make sure std{in,out,err} fds are in a sane state */
-	if (daemonize) {
-		int fd;
-
-		fd = open("/dev/null", O_RDWR);
-		if (fd >= 0) {
-			if (write(STDOUT_FILENO, 0, 0) < 0)
-				dup2(fd, STDOUT_FILENO);
-			if (write(STDERR_FILENO, 0, 0) < 0)
-				dup2(fd, STDERR_FILENO);
-			if (fd > STDERR_FILENO)
-				close(fd);
-		} else {
-			fprintf(stderr, "cannot open /dev/null\n");
-			err(udev, "cannot open /dev/null\n");
-		}
-	}
-
-	if (systemd_fds(udev, &fd_ctrl, &fd_netlink) >= 0) {
-		/* get control and netlink socket from from systemd */
-		udev_ctrl = udev_ctrl_new_from_fd(udev, fd_ctrl);
-		if (udev_ctrl == NULL) {
-			err(udev, "error taking over udev control socket");
-			rc = 1;
-			goto exit;
-		}
-
-		monitor = udev_monitor_new_from_netlink_fd(udev, "kernel", fd_netlink);
-		if (monitor == NULL) {
-			err(udev, "error taking over netlink socket\n");
-			rc = 3;
-			goto exit;
-		}
-	} else {
-		/* open control and netlink socket */
-		udev_ctrl = udev_ctrl_new(udev);
-		if (udev_ctrl == NULL) {
-			fprintf(stderr, "error initializing udev control socket");
-			err(udev, "error initializing udev control socket");
-			rc = 1;
-			goto exit;
-		}
-		fd_ctrl = udev_ctrl_get_fd(udev_ctrl);
-
-		monitor = udev_monitor_new_from_netlink(udev, "kernel");
-		if (monitor == NULL) {
-			fprintf(stderr, "error initializing netlink socket\n");
-			err(udev, "error initializing netlink socket\n");
-			rc = 3;
-			goto exit;
-		}
-		fd_netlink = udev_monitor_get_fd(monitor);
-	}
-
-	if (udev_monitor_enable_receiving(monitor) < 0) {
-		fprintf(stderr, "error binding netlink socket\n");
-		err(udev, "error binding netlink socket\n");
-		rc = 3;
-		goto exit;
-	}
-
-	if (udev_ctrl_enable_receiving(udev_ctrl) < 0) {
-		fprintf(stderr, "error binding udev control socket\n");
-		err(udev, "error binding udev control socket\n");
-		rc = 1;
-		goto exit;
-	}
-
-	udev_monitor_set_receive_buffer_size(monitor, 128*1024*1024);
-
-	/* create queue file before signalling 'ready', to make sure we block 'settle' */
-	udev_queue_export = udev_queue_export_new(udev);
-	if (udev_queue_export == NULL) {
-		err(udev, "error creating queue file\n");
-		goto exit;
-	}
-
-	if (daemonize) {
-		pid_t pid;
-		int fd;
-
-		pid = fork();
-		switch (pid) {
-		case 0:
-			break;
-		case -1:
-			err(udev, "fork of daemon failed: %m\n");
-			rc = 4;
-			goto exit;
-		default:
-			rc = EXIT_SUCCESS;
-			goto exit_daemonize;
-		}
-
-		setsid();
-
-		fd = open("/proc/self/oom_score_adj", O_RDWR);
-		if (fd < 0) {
-			/* Fallback to old interface */
-			fd = open("/proc/self/oom_adj", O_RDWR);
-			if (fd < 0) {
-				err(udev, "error disabling OOM: %m\n");
-			} else {
-				/* OOM_DISABLE == -17 */
-				write(fd, "-17", 3);
-				close(fd);
-			}
-		} else {
-			write(fd, "-1000", 5);
-			close(fd);
-		}
-	} else {
-		sd_notify(1, "READY=1");
-	}
-
-	f = fopen("/dev/kmsg", "w");
-	if (f != NULL) {
-		fprintf(f, "<30>udevd[%u]: starting version " VERSION "\n", getpid());
-		fclose(f);
-	}
-
-	if (!debug) {
-		int fd;
-
-		fd = open("/dev/null", O_RDWR);
-		if (fd >= 0) {
-			dup2(fd, STDIN_FILENO);
-			dup2(fd, STDOUT_FILENO);
-			dup2(fd, STDERR_FILENO);
-			close(fd);
-		}
-	}
-
-	fd_inotify = udev_watch_init(udev);
-	if (fd_inotify < 0) {
-		fprintf(stderr, "error initializing inotify\n");
-		err(udev, "error initializing inotify\n");
-		rc = 4;
-		goto exit;
-	}
-	udev_watch_restore(udev);
-
-	/* block and listen to all signals on signalfd */
-	sigfillset(&mask);
-	sigprocmask(SIG_SETMASK, &mask, &sigmask_orig);
-	fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
-	if (fd_signal < 0) {
-		fprintf(stderr, "error creating signalfd\n");
-		err(udev, "error creating signalfd\n");
-		rc = 5;
-		goto exit;
-	}
-
-	/* unnamed socket from workers to the main daemon */
-	if (socketpair(AF_LOCAL, SOCK_DGRAM|SOCK_CLOEXEC, 0, worker_watch) < 0) {
-		fprintf(stderr, "error creating socketpair\n");
-		err(udev, "error creating socketpair\n");
-		rc = 6;
-		goto exit;
-	}
-	fd_worker = worker_watch[READ_END];
-
-	udev_builtin_init(udev);
-
-	rules = udev_rules_new(udev, resolve_names);
-	if (rules == NULL) {
-		err(udev, "error reading rules\n");
-		goto exit;
-	}
-
-	memset(&ep_ctrl, 0, sizeof(struct epoll_event));
-	ep_ctrl.events = EPOLLIN;
-	ep_ctrl.data.fd = fd_ctrl;
-
-	memset(&ep_inotify, 0, sizeof(struct epoll_event));
-	ep_inotify.events = EPOLLIN;
-	ep_inotify.data.fd = fd_inotify;
-
-	memset(&ep_signal, 0, sizeof(struct epoll_event));
-	ep_signal.events = EPOLLIN;
-	ep_signal.data.fd = fd_signal;
-
-	memset(&ep_netlink, 0, sizeof(struct epoll_event));
-	ep_netlink.events = EPOLLIN;
-	ep_netlink.data.fd = fd_netlink;
-
-	memset(&ep_worker, 0, sizeof(struct epoll_event));
-	ep_worker.events = EPOLLIN;
-	ep_worker.data.fd = fd_worker;
-
-	fd_ep = epoll_create1(EPOLL_CLOEXEC);
-	if (fd_ep < 0) {
-		err(udev, "error creating epoll fd: %m\n");
-		goto exit;
-	}
-	if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_ctrl, &ep_ctrl) < 0 ||
-	    epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_inotify, &ep_inotify) < 0 ||
-	    epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_signal, &ep_signal) < 0 ||
-	    epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_netlink, &ep_netlink) < 0 ||
-	    epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_worker, &ep_worker) < 0) {
-		err(udev, "fail to add fds to epoll: %m\n");
-		goto exit;
-	}
-
-	/* if needed, convert old database from earlier udev version */
-	convert_db(udev);
-
-	if (children_max <= 0) {
-		int memsize = mem_size_mb();
-
-		/* set value depending on the amount of RAM */
-		if (memsize > 0)
-			children_max = 128 + (memsize / 8);
-		else
-			children_max = 128;
-	}
-	info(udev, "set children_max to %u\n", children_max);
-
-	udev_rules_apply_static_dev_perms(rules);
-
-	udev_list_node_init(&event_list);
-	udev_list_node_init(&worker_list);
-
-	for (;;) {
-		static unsigned long long last_usec;
-		struct epoll_event ev[8];
-		int fdcount;
-		int timeout;
-		bool is_worker, is_signal, is_inotify, is_netlink, is_ctrl;
-		int i;
-
-		if (udev_exit) {
-			/* close sources of new events and discard buffered events */
-			if (fd_ctrl >= 0) {
-				epoll_ctl(fd_ep, EPOLL_CTL_DEL, fd_ctrl, NULL);
-				fd_ctrl = -1;
-			}
-			if (monitor != NULL) {
-				epoll_ctl(fd_ep, EPOLL_CTL_DEL, fd_netlink, NULL);
-				udev_monitor_unref(monitor);
-				monitor = NULL;
-			}
-			if (fd_inotify >= 0) {
-				epoll_ctl(fd_ep, EPOLL_CTL_DEL, fd_inotify, NULL);
-				close(fd_inotify);
-				fd_inotify = -1;
-			}
-
-			/* discard queued events and kill workers */
-			event_queue_cleanup(udev, EVENT_QUEUED);
-			worker_kill(udev, 0);
-
-			/* exit after all has cleaned up */
-			if (udev_list_node_is_empty(&event_list) && udev_list_node_is_empty(&worker_list))
-				break;
-
-			/* timeout at exit for workers to finish */
-			timeout = 60 * 1000;
-		} else if (udev_list_node_is_empty(&event_list) && children > 2) {
-			/* set timeout to kill idle workers */
-			timeout = 3 * 1000;
-		} else {
-			timeout = -1;
-		}
-		fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), timeout);
-		if (fdcount < 0)
-			continue;
-
-		if (fdcount == 0) {
-			if (udev_exit) {
-				info(udev, "timeout, giving up waiting for workers to finish\n");
-				break;
-			}
-
-			/* timeout - kill idle workers */
-			worker_kill(udev, 2);
-		}
-
-		is_worker = is_signal = is_inotify = is_netlink = is_ctrl = false;
-		for (i = 0; i < fdcount; i++) {
-			if (ev[i].data.fd == fd_worker && ev[i].events & EPOLLIN)
-				is_worker = true;
-			else if (ev[i].data.fd == fd_netlink && ev[i].events & EPOLLIN)
-				is_netlink = true;
-			else if (ev[i].data.fd == fd_signal && ev[i].events & EPOLLIN)
-				is_signal = true;
-			else if (ev[i].data.fd == fd_inotify && ev[i].events & EPOLLIN)
-				is_inotify = true;
-			else if (ev[i].data.fd == fd_ctrl && ev[i].events & EPOLLIN)
-				is_ctrl = true;
-		}
-
-		/* check for changed config, every 3 seconds at most */
-		if ((now_usec() - last_usec) > 3 * 1000 * 1000) {
-			if (check_rules_timestamp(udev))
-				reload = true;
-			if (udev_builtin_validate(udev))
-				reload = true;
-
-			last_usec = now_usec();
-		}
-
-		/* reload requested, HUP signal received, rules changed, builtin changed */
-		if (reload) {
-			worker_kill(udev, 0);
-			rules = udev_rules_unref(rules);
-			udev_builtin_exit(udev);
-			reload = 0;
-		}
-
-		/* event has finished */
-		if (is_worker)
-			worker_returned(fd_worker);
-
-		if (is_netlink) {
-			struct udev_device *dev;
-
-			dev = udev_monitor_receive_device(monitor);
-			if (dev != NULL) {
-				udev_device_set_usec_initialized(dev, now_usec());
-				if (event_queue_insert(dev) < 0)
-					udev_device_unref(dev);
-			}
-		}
-
-		/* start new events */
-		if (!udev_list_node_is_empty(&event_list) && !udev_exit && !stop_exec_queue) {
-			if (rules == NULL)
-				rules = udev_rules_new(udev, resolve_names);
-			if (rules != NULL)
-				event_queue_start(udev);
-		}
-
-		if (is_signal) {
-			struct signalfd_siginfo fdsi;
-			ssize_t size;
-
-			size = read(fd_signal, &fdsi, sizeof(struct signalfd_siginfo));
-			if (size == sizeof(struct signalfd_siginfo))
-				handle_signal(udev, fdsi.ssi_signo);
-		}
-
-		/* we are shutting down, the events below are not handled anymore */
-		if (udev_exit)
-			continue;
-
-		/* device node watch */
-		if (is_inotify)
-			handle_inotify(udev);
-
-		/*
-		 * This needs to be after the inotify handling, to make sure,
-		 * that the ping is send back after the possibly generated
-		 * "change" events by the inotify device node watch.
-		 *
-		 * A single time we may receive a client connection which we need to
-		 * keep open to block the client. It will be closed right before we
-		 * exit.
-		 */
-		if (is_ctrl)
-			ctrl_conn = handle_ctrl_msg(udev_ctrl);
-	}
-
-	rc = EXIT_SUCCESS;
+        struct udev *udev;
+        FILE *f;
+        sigset_t mask;
+        int daemonize = false;
+        int resolve_names = 1;
+        static const struct option options[] = {
+                { "daemon", no_argument, NULL, 'd' },
+                { "debug", no_argument, NULL, 'D' },
+                { "children-max", required_argument, NULL, 'c' },
+                { "exec-delay", required_argument, NULL, 'e' },
+                { "resolve-names", required_argument, NULL, 'N' },
+                { "help", no_argument, NULL, 'h' },
+                { "version", no_argument, NULL, 'V' },
+                {}
+        };
+        int fd_ctrl = -1;
+        int fd_netlink = -1;
+        int fd_worker = -1;
+        struct epoll_event ep_ctrl, ep_inotify, ep_signal, ep_netlink, ep_worker;
+        struct udev_ctrl_connection *ctrl_conn = NULL;
+        char **s;
+        int rc = 1;
+
+        udev = udev_new();
+        if (udev == NULL)
+                goto exit;
+
+        udev_log_init("udevd");
+        udev_set_log_fn(udev, udev_main_log);
+        info(udev, "version %s\n", VERSION);
+        udev_selinux_init(udev);
+
+        for (;;) {
+                int option;
+
+                option = getopt_long(argc, argv, "c:deDtN:hV", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'd':
+                        daemonize = true;
+                        break;
+                case 'c':
+                        children_max = strtoul(optarg, NULL, 0);
+                        break;
+                case 'e':
+                        exec_delay = strtoul(optarg, NULL, 0);
+                        break;
+                case 'D':
+                        debug = true;
+                        if (udev_get_log_priority(udev) < LOG_INFO)
+                                udev_set_log_priority(udev, LOG_INFO);
+                        break;
+                case 'N':
+                        if (strcmp (optarg, "early") == 0) {
+                                resolve_names = 1;
+                        } else if (strcmp (optarg, "late") == 0) {
+                                resolve_names = 0;
+                        } else if (strcmp (optarg, "never") == 0) {
+                                resolve_names = -1;
+                        } else {
+                                fprintf(stderr, "resolve-names must be early, late or never\n");
+                                err(udev, "resolve-names must be early, late or never\n");
+                                goto exit;
+                        }
+                        break;
+                case 'h':
+                        printf("Usage: udevd OPTIONS\n"
+                               "  --daemon\n"
+                               "  --debug\n"
+                               "  --children-max=<maximum number of workers>\n"
+                               "  --exec-delay=<seconds to wait before executing RUN=>\n"
+                               "  --resolve-names=early|late|never\n"
+                               "  --version\n"
+                               "  --help\n"
+                               "\n");
+                        goto exit;
+                case 'V':
+                        printf("%s\n", VERSION);
+                        goto exit;
+                default:
+                        goto exit;
+                }
+        }
+
+        /*
+         * read the kernel commandline, in case we need to get into debug mode
+         *   udev.log-priority=<level>              syslog priority
+         *   udev.children-max=<number of workers>  events are fully serialized if set to 1
+         *
+         */
+        f = fopen("/proc/cmdline", "r");
+        if (f != NULL) {
+                char cmdline[4096];
+
+                if (fgets(cmdline, sizeof(cmdline), f) != NULL) {
+                        char *pos;
+
+                        pos = strstr(cmdline, "udev.log-priority=");
+                        if (pos != NULL) {
+                                pos += strlen("udev.log-priority=");
+                                udev_set_log_priority(udev, util_log_priority(pos));
+                        }
+
+                        pos = strstr(cmdline, "udev.children-max=");
+                        if (pos != NULL) {
+                                pos += strlen("udev.children-max=");
+                                children_max = strtoul(pos, NULL, 0);
+                        }
+
+                        pos = strstr(cmdline, "udev.exec-delay=");
+                        if (pos != NULL) {
+                                pos += strlen("udev.exec-delay=");
+                                exec_delay = strtoul(pos, NULL, 0);
+                        }
+                }
+                fclose(f);
+        }
+
+        if (getuid() != 0) {
+                fprintf(stderr, "root privileges required\n");
+                err(udev, "root privileges required\n");
+                goto exit;
+        }
+
+        /* set umask before creating any file/directory */
+        chdir("/");
+        umask(022);
+
+        /* /run/udev */
+        mkdir(udev_get_run_path(udev), 0755);
+
+        /* create standard links, copy static nodes, create nodes from modules */
+        static_dev_create(udev);
+        static_dev_create_from_modules(udev);
+
+        /* before opening new files, make sure std{in,out,err} fds are in a sane state */
+        if (daemonize) {
+                int fd;
+
+                fd = open("/dev/null", O_RDWR);
+                if (fd >= 0) {
+                        if (write(STDOUT_FILENO, 0, 0) < 0)
+                                dup2(fd, STDOUT_FILENO);
+                        if (write(STDERR_FILENO, 0, 0) < 0)
+                                dup2(fd, STDERR_FILENO);
+                        if (fd > STDERR_FILENO)
+                                close(fd);
+                } else {
+                        fprintf(stderr, "cannot open /dev/null\n");
+                        err(udev, "cannot open /dev/null\n");
+                }
+        }
+
+        if (systemd_fds(udev, &fd_ctrl, &fd_netlink) >= 0) {
+                /* get control and netlink socket from from systemd */
+                udev_ctrl = udev_ctrl_new_from_fd(udev, fd_ctrl);
+                if (udev_ctrl == NULL) {
+                        err(udev, "error taking over udev control socket");
+                        rc = 1;
+                        goto exit;
+                }
+
+                monitor = udev_monitor_new_from_netlink_fd(udev, "kernel", fd_netlink);
+                if (monitor == NULL) {
+                        err(udev, "error taking over netlink socket\n");
+                        rc = 3;
+                        goto exit;
+                }
+        } else {
+                /* open control and netlink socket */
+                udev_ctrl = udev_ctrl_new(udev);
+                if (udev_ctrl == NULL) {
+                        fprintf(stderr, "error initializing udev control socket");
+                        err(udev, "error initializing udev control socket");
+                        rc = 1;
+                        goto exit;
+                }
+                fd_ctrl = udev_ctrl_get_fd(udev_ctrl);
+
+                monitor = udev_monitor_new_from_netlink(udev, "kernel");
+                if (monitor == NULL) {
+                        fprintf(stderr, "error initializing netlink socket\n");
+                        err(udev, "error initializing netlink socket\n");
+                        rc = 3;
+                        goto exit;
+                }
+                fd_netlink = udev_monitor_get_fd(monitor);
+        }
+
+        if (udev_monitor_enable_receiving(monitor) < 0) {
+                fprintf(stderr, "error binding netlink socket\n");
+                err(udev, "error binding netlink socket\n");
+                rc = 3;
+                goto exit;
+        }
+
+        if (udev_ctrl_enable_receiving(udev_ctrl) < 0) {
+                fprintf(stderr, "error binding udev control socket\n");
+                err(udev, "error binding udev control socket\n");
+                rc = 1;
+                goto exit;
+        }
+
+        udev_monitor_set_receive_buffer_size(monitor, 128*1024*1024);
+
+        /* create queue file before signalling 'ready', to make sure we block 'settle' */
+        udev_queue_export = udev_queue_export_new(udev);
+        if (udev_queue_export == NULL) {
+                err(udev, "error creating queue file\n");
+                goto exit;
+        }
+
+        if (daemonize) {
+                pid_t pid;
+                int fd;
+
+                pid = fork();
+                switch (pid) {
+                case 0:
+                        break;
+                case -1:
+                        err(udev, "fork of daemon failed: %m\n");
+                        rc = 4;
+                        goto exit;
+                default:
+                        rc = EXIT_SUCCESS;
+                        goto exit_daemonize;
+                }
+
+                setsid();
+
+                fd = open("/proc/self/oom_score_adj", O_RDWR);
+                if (fd < 0) {
+                        /* Fallback to old interface */
+                        fd = open("/proc/self/oom_adj", O_RDWR);
+                        if (fd < 0) {
+                                err(udev, "error disabling OOM: %m\n");
+                        } else {
+                                /* OOM_DISABLE == -17 */
+                                write(fd, "-17", 3);
+                                close(fd);
+                        }
+                } else {
+                        write(fd, "-1000", 5);
+                        close(fd);
+                }
+        } else {
+                sd_notify(1, "READY=1");
+        }
+
+        f = fopen("/dev/kmsg", "w");
+        if (f != NULL) {
+                fprintf(f, "<30>udevd[%u]: starting version " VERSION "\n", getpid());
+                fclose(f);
+        }
+
+        if (!debug) {
+                int fd;
+
+                fd = open("/dev/null", O_RDWR);
+                if (fd >= 0) {
+                        dup2(fd, STDIN_FILENO);
+                        dup2(fd, STDOUT_FILENO);
+                        dup2(fd, STDERR_FILENO);
+                        close(fd);
+                }
+        }
+
+        fd_inotify = udev_watch_init(udev);
+        if (fd_inotify < 0) {
+                fprintf(stderr, "error initializing inotify\n");
+                err(udev, "error initializing inotify\n");
+                rc = 4;
+                goto exit;
+        }
+        udev_watch_restore(udev);
+
+        /* block and listen to all signals on signalfd */
+        sigfillset(&mask);
+        sigprocmask(SIG_SETMASK, &mask, &sigmask_orig);
+        fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
+        if (fd_signal < 0) {
+                fprintf(stderr, "error creating signalfd\n");
+                err(udev, "error creating signalfd\n");
+                rc = 5;
+                goto exit;
+        }
+
+        /* unnamed socket from workers to the main daemon */
+        if (socketpair(AF_LOCAL, SOCK_DGRAM|SOCK_CLOEXEC, 0, worker_watch) < 0) {
+                fprintf(stderr, "error creating socketpair\n");
+                err(udev, "error creating socketpair\n");
+                rc = 6;
+                goto exit;
+        }
+        fd_worker = worker_watch[READ_END];
+
+        udev_builtin_init(udev);
+
+        rules = udev_rules_new(udev, resolve_names);
+        if (rules == NULL) {
+                err(udev, "error reading rules\n");
+                goto exit;
+        }
+
+        memset(&ep_ctrl, 0, sizeof(struct epoll_event));
+        ep_ctrl.events = EPOLLIN;
+        ep_ctrl.data.fd = fd_ctrl;
+
+        memset(&ep_inotify, 0, sizeof(struct epoll_event));
+        ep_inotify.events = EPOLLIN;
+        ep_inotify.data.fd = fd_inotify;
+
+        memset(&ep_signal, 0, sizeof(struct epoll_event));
+        ep_signal.events = EPOLLIN;
+        ep_signal.data.fd = fd_signal;
+
+        memset(&ep_netlink, 0, sizeof(struct epoll_event));
+        ep_netlink.events = EPOLLIN;
+        ep_netlink.data.fd = fd_netlink;
+
+        memset(&ep_worker, 0, sizeof(struct epoll_event));
+        ep_worker.events = EPOLLIN;
+        ep_worker.data.fd = fd_worker;
+
+        fd_ep = epoll_create1(EPOLL_CLOEXEC);
+        if (fd_ep < 0) {
+                err(udev, "error creating epoll fd: %m\n");
+                goto exit;
+        }
+        if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_ctrl, &ep_ctrl) < 0 ||
+            epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_inotify, &ep_inotify) < 0 ||
+            epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_signal, &ep_signal) < 0 ||
+            epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_netlink, &ep_netlink) < 0 ||
+            epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_worker, &ep_worker) < 0) {
+                err(udev, "fail to add fds to epoll: %m\n");
+                goto exit;
+        }
+
+        /* if needed, convert old database from earlier udev version */
+        convert_db(udev);
+
+        if (children_max <= 0) {
+                int memsize = mem_size_mb();
+
+                /* set value depending on the amount of RAM */
+                if (memsize > 0)
+                        children_max = 128 + (memsize / 8);
+                else
+                        children_max = 128;
+        }
+        info(udev, "set children_max to %u\n", children_max);
+
+        udev_rules_apply_static_dev_perms(rules);
+
+        udev_list_node_init(&event_list);
+        udev_list_node_init(&worker_list);
+
+        for (;;) {
+                static unsigned long long last_usec;
+                struct epoll_event ev[8];
+                int fdcount;
+                int timeout;
+                bool is_worker, is_signal, is_inotify, is_netlink, is_ctrl;
+                int i;
+
+                if (udev_exit) {
+                        /* close sources of new events and discard buffered events */
+                        if (fd_ctrl >= 0) {
+                                epoll_ctl(fd_ep, EPOLL_CTL_DEL, fd_ctrl, NULL);
+                                fd_ctrl = -1;
+                        }
+                        if (monitor != NULL) {
+                                epoll_ctl(fd_ep, EPOLL_CTL_DEL, fd_netlink, NULL);
+                                udev_monitor_unref(monitor);
+                                monitor = NULL;
+                        }
+                        if (fd_inotify >= 0) {
+                                epoll_ctl(fd_ep, EPOLL_CTL_DEL, fd_inotify, NULL);
+                                close(fd_inotify);
+                                fd_inotify = -1;
+                        }
+
+                        /* discard queued events and kill workers */
+                        event_queue_cleanup(udev, EVENT_QUEUED);
+                        worker_kill(udev, 0);
+
+                        /* exit after all has cleaned up */
+                        if (udev_list_node_is_empty(&event_list) && udev_list_node_is_empty(&worker_list))
+                                break;
+
+                        /* timeout at exit for workers to finish */
+                        timeout = 60 * 1000;
+                } else if (udev_list_node_is_empty(&event_list) && children > 2) {
+                        /* set timeout to kill idle workers */
+                        timeout = 3 * 1000;
+                } else {
+                        timeout = -1;
+                }
+                fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), timeout);
+                if (fdcount < 0)
+                        continue;
+
+                if (fdcount == 0) {
+                        if (udev_exit) {
+                                info(udev, "timeout, giving up waiting for workers to finish\n");
+                                break;
+                        }
+
+                        /* timeout - kill idle workers */
+                        worker_kill(udev, 2);
+                }
+
+                is_worker = is_signal = is_inotify = is_netlink = is_ctrl = false;
+                for (i = 0; i < fdcount; i++) {
+                        if (ev[i].data.fd == fd_worker && ev[i].events & EPOLLIN)
+                                is_worker = true;
+                        else if (ev[i].data.fd == fd_netlink && ev[i].events & EPOLLIN)
+                                is_netlink = true;
+                        else if (ev[i].data.fd == fd_signal && ev[i].events & EPOLLIN)
+                                is_signal = true;
+                        else if (ev[i].data.fd == fd_inotify && ev[i].events & EPOLLIN)
+                                is_inotify = true;
+                        else if (ev[i].data.fd == fd_ctrl && ev[i].events & EPOLLIN)
+                                is_ctrl = true;
+                }
+
+                /* check for changed config, every 3 seconds at most */
+                if ((now_usec() - last_usec) > 3 * 1000 * 1000) {
+                        if (check_rules_timestamp(udev))
+                                reload = true;
+                        if (udev_builtin_validate(udev))
+                                reload = true;
+
+                        last_usec = now_usec();
+                }
+
+                /* reload requested, HUP signal received, rules changed, builtin changed */
+                if (reload) {
+                        worker_kill(udev, 0);
+                        rules = udev_rules_unref(rules);
+                        udev_builtin_exit(udev);
+                        reload = 0;
+                }
+
+                /* event has finished */
+                if (is_worker)
+                        worker_returned(fd_worker);
+
+                if (is_netlink) {
+                        struct udev_device *dev;
+
+                        dev = udev_monitor_receive_device(monitor);
+                        if (dev != NULL) {
+                                udev_device_set_usec_initialized(dev, now_usec());
+                                if (event_queue_insert(dev) < 0)
+                                        udev_device_unref(dev);
+                        }
+                }
+
+                /* start new events */
+                if (!udev_list_node_is_empty(&event_list) && !udev_exit && !stop_exec_queue) {
+                        if (rules == NULL)
+                                rules = udev_rules_new(udev, resolve_names);
+                        if (rules != NULL)
+                                event_queue_start(udev);
+                }
+
+                if (is_signal) {
+                        struct signalfd_siginfo fdsi;
+                        ssize_t size;
+
+                        size = read(fd_signal, &fdsi, sizeof(struct signalfd_siginfo));
+                        if (size == sizeof(struct signalfd_siginfo))
+                                handle_signal(udev, fdsi.ssi_signo);
+                }
+
+                /* we are shutting down, the events below are not handled anymore */
+                if (udev_exit)
+                        continue;
+
+                /* device node watch */
+                if (is_inotify)
+                        handle_inotify(udev);
+
+                /*
+                 * This needs to be after the inotify handling, to make sure,
+                 * that the ping is send back after the possibly generated
+                 * "change" events by the inotify device node watch.
+                 *
+                 * A single time we may receive a client connection which we need to
+                 * keep open to block the client. It will be closed right before we
+                 * exit.
+                 */
+                if (is_ctrl)
+                        ctrl_conn = handle_ctrl_msg(udev_ctrl);
+        }
+
+        rc = EXIT_SUCCESS;
 exit:
-	udev_queue_export_cleanup(udev_queue_export);
-	udev_ctrl_cleanup(udev_ctrl);
+        udev_queue_export_cleanup(udev_queue_export);
+        udev_ctrl_cleanup(udev_ctrl);
 exit_daemonize:
-	if (fd_ep >= 0)
-		close(fd_ep);
-	worker_list_cleanup(udev);
-	event_queue_cleanup(udev, EVENT_UNDEF);
-	udev_rules_unref(rules);
-	udev_builtin_exit(udev);
-	if (fd_signal >= 0)
-		close(fd_signal);
-	if (worker_watch[READ_END] >= 0)
-		close(worker_watch[READ_END]);
-	if (worker_watch[WRITE_END] >= 0)
-		close(worker_watch[WRITE_END]);
-	udev_monitor_unref(monitor);
-	udev_queue_export_unref(udev_queue_export);
-	udev_ctrl_connection_unref(ctrl_conn);
-	udev_ctrl_unref(udev_ctrl);
-	udev_selinux_exit(udev);
-	udev_unref(udev);
-	udev_log_close();
-	return rc;
+        if (fd_ep >= 0)
+                close(fd_ep);
+        worker_list_cleanup(udev);
+        event_queue_cleanup(udev, EVENT_UNDEF);
+        udev_rules_unref(rules);
+        udev_builtin_exit(udev);
+        if (fd_signal >= 0)
+                close(fd_signal);
+        if (worker_watch[READ_END] >= 0)
+                close(worker_watch[READ_END]);
+        if (worker_watch[WRITE_END] >= 0)
+                close(worker_watch[WRITE_END]);
+        udev_monitor_unref(monitor);
+        udev_queue_export_unref(udev_queue_export);
+        udev_ctrl_connection_unref(ctrl_conn);
+        udev_ctrl_unref(udev_ctrl);
+        udev_selinux_exit(udev);
+        udev_unref(udev);
+        udev_log_close();
+        return rc;
 }