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path: root/scripts/lxdialog/textbox.c
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Diffstat (limited to 'scripts/lxdialog/textbox.c')
-rw-r--r--scripts/lxdialog/textbox.c93
1 files changed, 32 insertions, 61 deletions
diff --git a/scripts/lxdialog/textbox.c b/scripts/lxdialog/textbox.c
index d6e7f2afe31a5c..fa8d92ea02b6ef 100644
--- a/scripts/lxdialog/textbox.c
+++ b/scripts/lxdialog/textbox.c
@@ -46,30 +46,26 @@ int dialog_textbox(const char *title, const char *file, int height, int width)
/* Open input file for reading */
if ((fd = open(file, O_RDONLY)) == -1) {
endwin();
- fprintf(stderr,
- "\nCan't open input file in dialog_textbox().\n");
+ fprintf(stderr, "\nCan't open input file in dialog_textbox().\n");
exit(-1);
}
/* Get file size. Actually, 'file_size' is the real file size - 1,
since it's only the last byte offset from the beginning */
if ((file_size = lseek(fd, 0, SEEK_END)) == -1) {
endwin();
- fprintf(stderr,
- "\nError getting file size in dialog_textbox().\n");
+ fprintf(stderr, "\nError getting file size in dialog_textbox().\n");
exit(-1);
}
/* Restore file pointer to beginning of file after getting file size */
if (lseek(fd, 0, SEEK_SET) == -1) {
endwin();
- fprintf(stderr,
- "\nError moving file pointer in dialog_textbox().\n");
+ fprintf(stderr, "\nError moving file pointer in dialog_textbox().\n");
exit(-1);
}
/* Allocate space for read buffer */
if ((buf = malloc(BUF_SIZE + 1)) == NULL) {
endwin();
- fprintf(stderr,
- "\nCan't allocate memory in dialog_textbox().\n");
+ fprintf(stderr, "\nCan't allocate memory in dialog_textbox().\n");
exit(-1);
}
if ((bytes_read = read(fd, buf, BUF_SIZE)) == -1) {
@@ -150,23 +146,20 @@ int dialog_textbox(const char *title, const char *file, int height, int width)
/* First page not in buffer? */
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
- fprintf(stderr,
- "\nError moving file pointer in dialog_textbox().\n");
+ fprintf(stderr, "\nError moving file pointer in dialog_textbox().\n");
exit(-1);
}
if (fpos > bytes_read) { /* Yes, we have to read it in */
if (lseek(fd, 0, SEEK_SET) == -1) {
endwin();
- fprintf(stderr,
- "\nError moving file pointer in "
- "dialog_textbox().\n");
+ fprintf(stderr, "\nError moving file pointer in "
+ "dialog_textbox().\n");
exit(-1);
}
if ((bytes_read =
read(fd, buf, BUF_SIZE)) == -1) {
endwin();
- fprintf(stderr,
- "\nError reading file in dialog_textbox().\n");
+ fprintf(stderr, "\nError reading file in dialog_textbox().\n");
exit(-1);
}
buf[bytes_read] = '\0';
@@ -185,22 +178,19 @@ int dialog_textbox(const char *title, const char *file, int height, int width)
/* Last page not in buffer? */
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
- fprintf(stderr,
- "\nError moving file pointer in dialog_textbox().\n");
+ fprintf(stderr, "\nError moving file pointer in dialog_textbox().\n");
exit(-1);
}
if (fpos < file_size) { /* Yes, we have to read it in */
if (lseek(fd, -BUF_SIZE, SEEK_END) == -1) {
endwin();
- fprintf(stderr,
- "\nError moving file pointer in dialog_textbox().\n");
+ fprintf(stderr, "\nError moving file pointer in dialog_textbox().\n");
exit(-1);
}
if ((bytes_read =
read(fd, buf, BUF_SIZE)) == -1) {
endwin();
- fprintf(stderr,
- "\nError reading file in dialog_textbox().\n");
+ fprintf(stderr, "\nError reading file in dialog_textbox().\n");
exit(-1);
}
buf[bytes_read] = '\0';
@@ -342,9 +332,8 @@ static void back_lines(int n)
if (page == buf) {
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
- fprintf(stderr,
- "\nError moving file pointer in "
- "back_lines().\n");
+ fprintf(stderr, "\nError moving file pointer in "
+ "back_lines().\n");
exit(-1);
}
if (fpos > bytes_read) { /* Not beginning of file yet */
@@ -358,21 +347,16 @@ static void back_lines(int n)
/* No, move less then */
if (lseek(fd, 0, SEEK_SET) == -1) {
endwin();
- fprintf(stderr,
- "\nError moving file pointer in "
- "back_lines().\n");
+ fprintf(stderr, "\nError moving file pointer in "
+ "back_lines().\n");
exit(-1);
}
page = buf + fpos - bytes_read;
} else { /* Move backward BUF_SIZE/2 bytes */
- if (lseek
- (fd, -(BUF_SIZE / 2 + bytes_read),
- SEEK_CUR)
- == -1) {
+ if (lseek (fd, -(BUF_SIZE / 2 + bytes_read), SEEK_CUR) == -1) {
endwin();
- fprintf(stderr,
- "\nError moving file pointer "
- "in back_lines().\n");
+ fprintf(stderr, "\nError moving file pointer "
+ "in back_lines().\n");
exit(-1);
}
page = buf + BUF_SIZE / 2;
@@ -380,8 +364,7 @@ static void back_lines(int n)
if ((bytes_read =
read(fd, buf, BUF_SIZE)) == -1) {
endwin();
- fprintf(stderr,
- "\nError reading file in back_lines().\n");
+ fprintf(stderr, "\nError reading file in back_lines().\n");
exit(-1);
}
buf[bytes_read] = '\0';
@@ -403,33 +386,25 @@ static void back_lines(int n)
if (page == buf) {
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
- fprintf(stderr,
- "\nError moving file pointer in back_lines().\n");
+ fprintf(stderr, "\nError moving file pointer in back_lines().\n");
exit(-1);
}
if (fpos > bytes_read) {
/* Really possible to move backward BUF_SIZE/2 bytes? */
if (fpos < BUF_SIZE / 2 + bytes_read) {
/* No, move less then */
- if (lseek(fd, 0, SEEK_SET) ==
- -1) {
+ if (lseek(fd, 0, SEEK_SET) == -1) {
endwin();
- fprintf(stderr,
- "\nError moving file pointer "
- "in back_lines().\n");
+ fprintf(stderr, "\nError moving file pointer "
+ "in back_lines().\n");
exit(-1);
}
page = buf + fpos - bytes_read;
} else { /* Move backward BUF_SIZE/2 bytes */
- if (lseek
- (fd,
- -(BUF_SIZE / 2 +
- bytes_read),
- SEEK_CUR) == -1) {
+ if (lseek (fd, -(BUF_SIZE / 2 + bytes_read), SEEK_CUR) == -1) {
endwin();
- fprintf(stderr,
- "\nError moving file pointer"
- " in back_lines().\n");
+ fprintf(stderr, "\nError moving file pointer"
+ " in back_lines().\n");
exit(-1);
}
page = buf + BUF_SIZE / 2;
@@ -437,9 +412,8 @@ static void back_lines(int n)
if ((bytes_read =
read(fd, buf, BUF_SIZE)) == -1) {
endwin();
- fprintf(stderr,
- "\nError reading file in "
- "back_lines().\n");
+ fprintf(stderr, "\nError reading file in "
+ "back_lines().\n");
exit(-1);
}
buf[bytes_read] = '\0';
@@ -513,9 +487,8 @@ static char *get_line(void)
/* Either end of file or end of buffer reached */
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
- fprintf(stderr,
- "\nError moving file pointer in "
- "get_line().\n");
+ fprintf(stderr, "\nError moving file pointer in "
+ "get_line().\n");
exit(-1);
}
if (fpos < file_size) { /* Not end of file yet */
@@ -524,8 +497,7 @@ static char *get_line(void)
if ((bytes_read =
read(fd, buf, BUF_SIZE)) == -1) {
endwin();
- fprintf(stderr,
- "\nError reading file in get_line().\n");
+ fprintf(stderr, "\nError reading file in get_line().\n");
exit(-1);
}
buf[bytes_read] = '\0';
@@ -561,8 +533,7 @@ static void print_position(WINDOW * win, int height, int width)
if ((fpos = lseek(fd, 0, SEEK_CUR)) == -1) {
endwin();
- fprintf(stderr,
- "\nError moving file pointer in print_position().\n");
+ fprintf(stderr, "\nError moving file pointer in print_position().\n");
exit(-1);
}
wattrset(win, position_indicator_attr);
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-25 01:59:28 +0000