isosize: usage() and coding style cleanup

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2017-08-21 11:16:51 +02:00
parent c380180289
commit 1da83869cf
1 changed files with 17 additions and 13 deletions

View File

@ -36,6 +36,7 @@
static int is_iso(int fd)
{
char label[8];
if (pread(fd, &label, 8, 0x8000) == -1)
return 1;
return memcmp(&label, &"\1CD001\1", 8);
@ -57,6 +58,7 @@ static int isonum_723(unsigned char *p, int xflag)
{
int le = isonum_721(p);
int be = isonum_722(p + 2);
if (xflag && le != be)
/* translation is useless */
warnx("723error: le=%d be=%d", le, be);
@ -83,6 +85,7 @@ static int isonum_733(unsigned char *p, int xflag)
{
int le = isonum_731(p);
int be = isonum_732(p + 4);
if (xflag && le != be)
/* translation is useless */
warnx("733error: le=%d be=%d", le, be);
@ -117,9 +120,9 @@ static int isosize(int argc, char *filenamep, int xflag, long divisor)
if (1 < argc)
printf("%s: ", filenamep);
if (xflag) {
if (xflag)
printf(_("sector count: %d, sector size: %d\n"), nsecs, ssize);
} else {
else {
long long product = nsecs;
if (divisor == 0)
@ -139,19 +142,19 @@ done:
static void __attribute__((__noreturn__)) usage(void)
{
FILE *out = stdout;
fputs(USAGE_HEADER, out);
fprintf(out,
_(" %s [options] <iso9660_image_file>\n"),
fputs(USAGE_HEADER, stdout);
fprintf(stdout,
_(" %s [options] <iso9660_image_file> ...\n"),
program_invocation_short_name);
fputs(USAGE_SEPARATOR, out);
fputs(_("Show the length of an ISO-9660 filesystem.\n"), out);
fputs(USAGE_SEPARATOR, stdout);
fputs(_("Show the length of an ISO-9660 filesystem.\n"), stdout);
fputs(USAGE_OPTIONS, stdout);
fputs(_(" -d, --divisor=<number> divide the amount of bytes by <number>\n"), stdout);
fputs(_(" -x, --sectors show sector count and size\n"), stdout);
fputs(USAGE_OPTIONS, out);
fputs(_(" -d, --divisor=<number> divide the amount of bytes by <number>\n"), out);
fputs(_(" -x, --sectors show sector count and size\n"), out);
fputs(USAGE_SEPARATOR, out);
printf(USAGE_HELP_OPTIONS(25));
printf(USAGE_MAN_TAIL("isosize(8)"));
@ -176,7 +179,7 @@ int main(int argc, char **argv)
textdomain(PACKAGE);
atexit(close_stdout);
while ((opt = getopt_long(argc, argv, "d:xVh", longopts, NULL)) != -1)
while ((opt = getopt_long(argc, argv, "d:xVh", longopts, NULL)) != -1) {
switch (opt) {
case 'd':
divisor =
@ -194,6 +197,7 @@ int main(int argc, char **argv)
default:
errtryhelp(EXIT_FAILURE);
}
}
ct = argc - optind;