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authorRuediger Meier2017-06-19 20:52:50 +0200
committerRuediger Meier2017-06-26 14:38:24 +0200
commit6e1eda6f229f87b77471ce6eb7cbf0ede7c8029e (patch)
tree5e74a0cd99493e934780db2b434c75e995a6bd17 /sys-utils/swapoff.c
parentmisc: never use usage(ERROR) (diff)
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misc: never use usage(stderr)
Here we fix all cases where we have usage(FILE*) functions. Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
Diffstat (limited to 'sys-utils/swapoff.c')
-rw-r--r--sys-utils/swapoff.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/sys-utils/swapoff.c b/sys-utils/swapoff.c
index aab6dfb8d..da2e268d7 100644
--- a/sys-utils/swapoff.c
+++ b/sys-utils/swapoff.c
@@ -116,8 +116,9 @@ static int swapoff_by(const char *name, const char *value, int quiet)
return special ? do_swapoff(special, quiet, CANONIC) : cannot_find(value);
}
-static void __attribute__ ((__noreturn__)) usage(FILE * out)
+static void __attribute__((__noreturn__)) usage(void)
{
+ FILE *out = stdout;
fputs(USAGE_HEADER, out);
fprintf(out, _(" %s [options] [<spec>]\n"), program_invocation_short_name);
@@ -141,7 +142,7 @@ static void __attribute__ ((__noreturn__)) usage(FILE * out)
" <file> name of file to be used\n"), out);
fprintf(out, USAGE_MAN_TAIL("swapoff(8)"));
- exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
+ exit(EXIT_SUCCESS);
}
static int swapoff_all(void)
@@ -207,7 +208,7 @@ int main(int argc, char *argv[])
++all;
break;
case 'h': /* help */
- usage(stdout);
+ usage();
break;
case 'v': /* be chatty */
++verbose;
@@ -227,8 +228,10 @@ int main(int argc, char *argv[])
}
argv += optind;
- if (!all && !numof_labels() && !numof_uuids() && *argv == NULL)
- usage(stderr);
+ if (!all && !numof_labels() && !numof_uuids() && *argv == NULL) {
+ warnx(_("bad usage"));
+ errtryhelp(EXIT_FAILURE);
+ }
mnt_init_debug(0);
mntcache = mnt_new_cache();