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wipefs: improve --help 

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2017-06-29 12:38:40 +02:00
parent d9921b2a12
commit 42d2a8b30d
1 changed files with 17 additions and 21 deletions
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38
misc-utils/wipefs.c
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@ -604,30 +604,26 @@ do_wipe(struct wipe_control *ctl, struct wipe_desc *wp)
static void __attribute__((__noreturn__))
usage(void)
{
FILE *out = stdout;
size_t i;
fputs(USAGE_HEADER, out);
fprintf(out,
_(" %s [options] <device>\n"), program_invocation_short_name);
fputs(USAGE_HEADER, stdout);
printf(_(" %s [options] <device>\n"), program_invocation_short_name);
fputs(USAGE_SEPARATOR, out);
fputs(_("Wipe signatures from a device.\n"), out);
fputs(USAGE_SEPARATOR, stdout);
puts(_("Wipe signatures from a device."));
fputs(USAGE_OPTIONS, out);
fputs(_(" -a, --all wipe all magic strings (BE CAREFUL!)\n"
" -b, --backup create a signature backup in $HOME\n"
" -f, --force force erasure\n"
" -n, --no-act do everything except the actual write() call\n"
" -o, --offset <num> offset to erase, in bytes\n"
" -p, --parsable print out in parsable instead of printable format\n"
" -q, --quiet suppress output messages\n"
" -t, --types <list> limit the set of filesystem, RAIDs or partition tables\n"
), out);
fputs(_(" -J, --json use JSON output format\n"), out);
fputs(_(" -n, --noheadings don't print headings\n"), out);
fputs(_(" -o, --output <list> output columns\n"), out);
fputs(USAGE_OPTIONS, stdout);
puts(_(" -a, --all wipe all magic strings (BE CAREFUL!)"));
puts(_(" -b, --backup create a signature backup in $HOME"));
puts(_(" -f, --force force erasure"));
puts(_(" -i, --noheadings don't print headings"));
puts(_(" -J, --json use JSON output format"));
puts(_(" -n, --no-act do everything except the actual write() call"));
puts(_(" -o, --offset <num> offset to erase, in bytes"));
puts(_(" -O, --output <list> COLUMNS to display (see below)"));
puts(_(" -p, --parsable print out in parsable instead of printable format"));
puts(_(" -q, --quiet suppress output messages"));
puts(_(" -t, --types <list> limit the set of filesystem, RAIDs or partition tables"));
print_usage_help_options(21);
@ -635,7 +631,7 @@ usage(void)
for (i = 0; i < ARRAY_SIZE(infos); i++)
fprintf(stdout, " %8s %s\n", infos[i].name, _(infos[i].help));
fprintf(out, USAGE_MAN_TAIL("wipefs(8)"));
fprintf(stdout, USAGE_MAN_TAIL("wipefs(8)"));
exit(EXIT_SUCCESS);
}