isosize: usage() and coding style cleanup
Signed-off-by: Karel Zak <kzak@redhat.com>
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c380180289
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1da83869cf
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@ -36,6 +36,7 @@
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static int is_iso(int fd)
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{
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char label[8];
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if (pread(fd, &label, 8, 0x8000) == -1)
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return 1;
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return memcmp(&label, &"\1CD001\1", 8);
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@ -57,6 +58,7 @@ static int isonum_723(unsigned char *p, int xflag)
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{
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int le = isonum_721(p);
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int be = isonum_722(p + 2);
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if (xflag && le != be)
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/* translation is useless */
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warnx("723error: le=%d be=%d", le, be);
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@ -83,6 +85,7 @@ static int isonum_733(unsigned char *p, int xflag)
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{
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int le = isonum_731(p);
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int be = isonum_732(p + 4);
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if (xflag && le != be)
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/* translation is useless */
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warnx("733error: le=%d be=%d", le, be);
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@ -117,9 +120,9 @@ static int isosize(int argc, char *filenamep, int xflag, long divisor)
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if (1 < argc)
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printf("%s: ", filenamep);
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if (xflag) {
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if (xflag)
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printf(_("sector count: %d, sector size: %d\n"), nsecs, ssize);
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} else {
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else {
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long long product = nsecs;
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if (divisor == 0)
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@ -139,19 +142,19 @@ done:
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static void __attribute__((__noreturn__)) usage(void)
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{
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FILE *out = stdout;
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fputs(USAGE_HEADER, out);
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fprintf(out,
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_(" %s [options] <iso9660_image_file>\n"),
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fputs(USAGE_HEADER, stdout);
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fprintf(stdout,
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_(" %s [options] <iso9660_image_file> ...\n"),
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program_invocation_short_name);
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fputs(USAGE_SEPARATOR, out);
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fputs(_("Show the length of an ISO-9660 filesystem.\n"), out);
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fputs(USAGE_SEPARATOR, stdout);
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fputs(_("Show the length of an ISO-9660 filesystem.\n"), stdout);
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fputs(USAGE_OPTIONS, stdout);
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fputs(_(" -d, --divisor=<number> divide the amount of bytes by <number>\n"), stdout);
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fputs(_(" -x, --sectors show sector count and size\n"), stdout);
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fputs(USAGE_OPTIONS, out);
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fputs(_(" -d, --divisor=<number> divide the amount of bytes by <number>\n"), out);
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fputs(_(" -x, --sectors show sector count and size\n"), out);
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fputs(USAGE_SEPARATOR, out);
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printf(USAGE_HELP_OPTIONS(25));
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printf(USAGE_MAN_TAIL("isosize(8)"));
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@ -176,7 +179,7 @@ int main(int argc, char **argv)
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textdomain(PACKAGE);
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atexit(close_stdout);
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while ((opt = getopt_long(argc, argv, "d:xVh", longopts, NULL)) != -1)
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while ((opt = getopt_long(argc, argv, "d:xVh", longopts, NULL)) != -1) {
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switch (opt) {
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case 'd':
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divisor =
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@ -194,6 +197,7 @@ int main(int argc, char **argv)
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default:
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errtryhelp(EXIT_FAILURE);
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}
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}
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ct = argc - optind;
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