Fix the MinGW build

Fix multiple compiler warnings and build errors reported by the MinGW
cross-compiler.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

14 files changed, 108 insertions, 18 deletions

diff --git a/configure.ac b/configure.ac
index 4a3afa4..06aaed9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -83,6 +83,12 @@ AC_CHECK_LIB([uuid], [uuid_clear],
 		[Define if you have libuuid])
 	], [], [])
 
+AC_CHECK_LIB([winpthread], [clock_gettime],
+	[AC_SUBST([libwinpthread_LIBS], ["-lwinpthread"])
+		AC_DEFINE([HAVE_LIBWINPTHREAD], [1],
+		[Define if you have libwinpthread])
+	], [], [])
+
 # Checks for header files.
 AC_CHECK_HEADERS(m4_flatten([
 	attr/xattr.h
@@ -100,6 +106,7 @@ AC_CHECK_HEADERS(m4_flatten([
 	linux/xattr.h
 	mach/mach_time.h
 	mntent.h
+	pthread_time.h
 	scsi/sg.h
 	selinux/selinux.h
 	stdlib.h
@@ -129,7 +136,9 @@ AC_CHECK_FUNCS_ONCE([
 	fsetxattr
 	fstat
 	fstat64
+	getgid
 	getmntent
+	getuid
 	keyctl
 	llseek
 	lseek64
@@ -140,6 +149,18 @@ AC_CHECK_FUNCS_ONCE([
 AS_IF([test "$ac_cv_header_byteswap_h" = "yes"],
       [AC_CHECK_DECLS([bswap_64],,,[#include <byteswap.h>])])
 
+AC_MSG_CHECKING([for CLOCK_BOOTIME])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
+#include <time.h>
+#ifdef HAVE_PTHREAD_TIME_H
+#include <pthread_time.h>
+#endif
+],[return CLOCK_BOOTTIME])],
+		  [AC_MSG_RESULT([yes])
+		  AC_DEFINE([HAVE_CLOCK_BOOTTIME], [1],
+		  [Define if CLOCK_BOOTTIME is available])],
+		  [AC_MSG_RESULT([no])])
+
 # AC_CANONICAL_HOST is needed to access the 'host_os' variable
 AC_CANONICAL_HOST
 
@@ -209,4 +230,29 @@ AC_SUBST(LIBF2FS_CURRENT, 8)
 AC_SUBST(LIBF2FS_REVISION, 0)
 AC_SUBST(LIBF2FS_AGE, 0)
 
+AH_BOTTOM([
+#ifndef _CONFIG_H_
+#define _CONFIG_H_
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#ifndef HAVE_GETUID
+static inline unsigned int getuid(void) { return -1; }
+#endif
+#ifndef HAVE_GETGID
+static inline unsigned int getgid(void) { return -1; }
+#endif
+
+#ifndef S_ISLNK
+#define S_ISLNK(mode) false
+#endif
+#ifndef S_ISSOCK
+#define S_ISSOCK(mode) false
+#endif
+
+#endif
+])
+
 AC_OUTPUT
diff --git a/fsck/Makefile.am b/fsck/Makefile.am
index e31d416..579dd26 100644
--- a/fsck/Makefile.am
+++ b/fsck/Makefile.am
@@ -10,7 +10,7 @@ fsck_f2fs_SOURCES = main.c fsck.c dump.c mount.c defrag.c resize.c \
 		node.c segment.c dir.c sload.c xattr.c compress.c \
 		dict.c mkquota.c quotaio.c quotaio_tree.c quotaio_v2.c
 fsck_f2fs_LDADD = ${libselinux_LIBS} ${libuuid_LIBS} \
-	${liblzo2_LIBS} ${liblz4_LIBS} \
+	${liblzo2_LIBS} ${liblz4_LIBS} ${libwinpthread_LIBS} \
 	$(top_builddir)/lib/libf2fs.la
 
 install-data-hook:
diff --git a/fsck/dir.c b/fsck/dir.c
index f7491a7..4a3eb6e 100644
--- a/fsck/dir.c
+++ b/fsck/dir.c
@@ -474,11 +474,19 @@ static void init_inode_block(struct f2fs_sb_info *sbi,
 		links++;
 		blocks++;
 	} else if (de->file_type == F2FS_FT_REG_FILE) {
+#ifdef S_IFREG
 		mode |= S_IFREG;
+#else
+		ASSERT(0);
+#endif
 		size = 0;
 	} else if (de->file_type == F2FS_FT_SYMLINK) {
 		ASSERT(de->link);
+#ifdef S_IFLNK
 		mode |= S_IFLNK;
+#else
+		ASSERT(0);
+#endif
 		size = strlen(de->link);
 		if (size + 1 > MAX_INLINE_DATA(node_blk))
 			blocks++;
diff --git a/fsck/f2fs.h b/fsck/f2fs.h
index e5130ba..875f953 100644
--- a/fsck/f2fs.h
+++ b/fsck/f2fs.h
@@ -27,8 +27,12 @@
 #include <mach/mach_time.h>
 #endif
 #include <sys/stat.h>
+#ifdef HAVE_SYS_IOCTL_H
 #include <sys/ioctl.h>
+#endif
+#ifdef HAVE_SYS_MOUNT_H
 #include <sys/mount.h>
+#endif
 #include <assert.h>
 
 #include "f2fs_fs.h"
@@ -589,8 +593,12 @@ static unsigned char f2fs_type_by_mode[S_IFMT >> S_SHIFT] = {
 	[S_IFCHR >> S_SHIFT]    = F2FS_FT_CHRDEV,
 	[S_IFBLK >> S_SHIFT]    = F2FS_FT_BLKDEV,
 	[S_IFIFO >> S_SHIFT]    = F2FS_FT_FIFO,
+#ifdef S_IFSOCK
 	[S_IFSOCK >> S_SHIFT]   = F2FS_FT_SOCK,
+#endif
+#ifdef S_IFLNK
 	[S_IFLNK >> S_SHIFT]    = F2FS_FT_SYMLINK,
+#endif
 };
 
 static inline int map_de_type(umode_t mode)
diff --git a/fsck/main.c b/fsck/main.c
index e4cfdf4..b555ff4 100644
--- a/fsck/main.c
+++ b/fsck/main.c
@@ -1065,16 +1065,12 @@ static int do_label(struct f2fs_sb_info *sbi)
 }
 #endif
 
-#if defined(__APPLE__)
+#ifdef HAVE_MACH_TIME_H
 static u64 get_boottime_ns()
 {
-#ifdef HAVE_MACH_TIME_H
 	return mach_absolute_time();
-#else
-	return 0;
-#endif
 }
-#else
+#elif defined(HAVE_CLOCK_GETTIME) && defined(HAVE_CLOCK_BOOTTIME)
 static u64 get_boottime_ns()
 {
 	struct timespec t;
@@ -1082,6 +1078,11 @@ static u64 get_boottime_ns()
 	clock_gettime(CLOCK_BOOTTIME, &t);
 	return (u64)t.tv_sec * 1000000000LL + t.tv_nsec;
 }
+#else
+static u64 get_boottime_ns()
+{
+	return 0;
+}
 #endif
 
 int main(int argc, char **argv)
diff --git a/fsck/mount.c b/fsck/mount.c
index 584385d..b1e318f 100644
--- a/fsck/mount.c
+++ b/fsck/mount.c
@@ -31,6 +31,8 @@
 #define ACL_OTHER		(0x20)
 #endif
 
+#ifdef HAVE_LINUX_BLKZONED_H
+
 static int get_device_idx(struct f2fs_sb_info *sbi, uint32_t segno)
 {
 	block_t seg_start_blkaddr;
@@ -45,8 +47,6 @@ static int get_device_idx(struct f2fs_sb_info *sbi, uint32_t segno)
 	return 0;
 }
 
-#ifdef HAVE_LINUX_BLKZONED_H
-
 static int get_zone_idx_from_dev(struct f2fs_sb_info *sbi,
 					uint32_t segno, uint32_t dev_idx)
 {
diff --git a/fsck/quotaio.h b/fsck/quotaio.h
index 0024fe5..fc40f98 100644
--- a/fsck/quotaio.h
+++ b/fsck/quotaio.h
@@ -21,7 +21,6 @@
 #include <limits.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <arpa/inet.h>
 
 #include "dict.h"
 #include "f2fs_fs.h"
diff --git a/fsck/sload.c b/fsck/sload.c
index 6929023..475ea6d 100644
--- a/fsck/sload.c
+++ b/fsck/sload.c
@@ -28,6 +28,7 @@ typedef void (*fs_config_f)(const char *path, int dir,
 			    unsigned *uid, unsigned *gid,
 			    unsigned *mode, uint64_t *capabilities);
 
+#ifndef _WIN32
 static fs_config_f fs_config_func = NULL;
 
 #ifdef WITH_ANDROID
@@ -62,6 +63,7 @@ static int f2fs_make_directory(struct f2fs_sb_info *sbi,
 
 	return ret;
 }
+#endif
 
 #ifdef HAVE_LIBSELINUX
 static int set_selinux_xattr(struct f2fs_sb_info *sbi, const char *path,
@@ -99,6 +101,7 @@ static int set_selinux_xattr(struct f2fs_sb_info *sbi, const char *path,
 #define set_selinux_xattr(...)	0
 #endif
 
+#ifndef _WIN32
 static int set_perms_and_caps(struct dentry *de)
 {
 	uint64_t capabilities = 0;
@@ -291,6 +294,14 @@ out_free:
 	free(dentries);
 	return 0;
 }
+#else
+static int build_directory(struct f2fs_sb_info *sbi, const char *full_path,
+			const char *dir_path, const char *target_out_dir,
+			nid_t dir_ino)
+{
+	return -1;
+}
+#endif
 
 static int configure_files(void)
 {
diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
index 332abf6..173f619 100644
--- a/mkfs/f2fs_format.c
+++ b/mkfs/f2fs_format.c
@@ -18,7 +18,14 @@
 #include <sys/mount.h>
 #endif
 #include <time.h>
+
+#include "config.h"
+#ifdef HAVE_UUID_UUID_H
 #include <uuid/uuid.h>
+#else
+#define uuid_parse(a, b) -1
+#define uuid_generate(a)
+#endif
 
 #include "f2fs_fs.h"
 #include "quota.h"
diff --git a/mkfs/f2fs_format_main.c b/mkfs/f2fs_format_main.c
index ecc942b..88b2674 100644
--- a/mkfs/f2fs_format_main.c
+++ b/mkfs/f2fs_format_main.c
@@ -19,7 +19,6 @@
 #include <sys/mount.h>
 #endif
 #include <time.h>
-#include <uuid/uuid.h>
 #include <errno.h>
 #include <getopt.h>
 
@@ -27,6 +26,9 @@
 #ifdef HAVE_LIBBLKID
 #include <blkid/blkid.h>
 #endif
+#ifdef HAVE_UUID_UUID_H
+#include <uuid/uuid.h>
+#endif
 
 #include "f2fs_fs.h"
 #include "quota.h"
diff --git a/tools/Makefile.am b/tools/Makefile.am
index 56bf2e4..8756a29 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -2,7 +2,10 @@
 
 AM_CPPFLAGS = ${libuuid_CFLAGS} -I$(top_srcdir)/include
 AM_CFLAGS = -Wall
-sbin_PROGRAMS = f2fstat fibmap.f2fs parse.f2fs
+sbin_PROGRAMS = f2fstat
+if !WINDOWS
+sbin_PROGRAMS += fibmap.f2fs parse.f2fs
+endif
 f2fstat_SOURCES = f2fstat.c
 fibmap_f2fs_SOURCES = fibmap.c
 parse_f2fs_SOURCES = f2fs_io_parse.c
diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c
index af4a34b..e807177 100644
--- a/tools/f2fs_io/f2fs_io.c
+++ b/tools/f2fs_io/f2fs_io.c
@@ -132,16 +132,12 @@ static void full_write(int fd, const void *buf, size_t count)
 	}
 }
 
-#if defined(__APPLE__)
+#ifdef HAVE_MACH_TIME_H
 static u64 get_current_us()
 {
-#ifdef HAVE_MACH_TIME_H
 	return mach_absolute_time() / 1000;
-#else
-	return 0;
-#endif
 }
-#else
+#elif defined(HAVE_CLOCK_GETTIME) && defined(HAVE_CLOCK_BOOTTIME)
 static u64 get_current_us()
 {
 	struct timespec t;
@@ -149,6 +145,11 @@ static u64 get_current_us()
 	clock_gettime(CLOCK_BOOTTIME, &t);
 	return (u64)t.tv_sec * 1000000LL + t.tv_nsec / 1000;
 }
+#else
+static u64 get_current_us()
+{
+	return 0;
+}
 #endif
 
 #define fsync_desc "fsync"
diff --git a/tools/f2fscrypt.c b/tools/f2fscrypt.c
index 72bfb64..0f0650f 100644
--- a/tools/f2fscrypt.c
+++ b/tools/f2fscrypt.c
@@ -43,7 +43,9 @@
 #ifdef __KERNEL__
 #include <linux/fs.h>
 #endif
+#ifdef HAVE_UUID_UUID_H
 #include <uuid/uuid.h>
+#endif
 
 #if !defined(HAVE_ADD_KEY) || !defined(HAVE_KEYCTL)
 #include <sys/syscall.h>
diff --git a/tools/fibmap.c b/tools/fibmap.c
index 9e96cb6..3238f29 100644
--- a/tools/fibmap.c
+++ b/tools/fibmap.c
@@ -23,7 +23,9 @@
 #include <fcntl.h>
 #include <errno.h>
 #include <sys/types.h>
+#ifdef HAVE_SYS_IOCTL_H
 #include <sys/ioctl.h>
+#endif
 #include <sys/stat.h>
 #ifdef HAVE_SYS_SYSMACROS_H
 #include <sys/sysmacros.h>