diff options
Diffstat (limited to 'sys-utils/rtcwake.c')
| -rw-r--r-- | sys-utils/rtcwake.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/sys-utils/rtcwake.c b/sys-utils/rtcwake.c index de0ac4d85..86c009536 100644 --- a/sys-utils/rtcwake.c +++ b/sys-utils/rtcwake.c @@ -88,8 +88,9 @@ struct rtcwake_control { dryrun:1; /* do not set alarm, suspend system, etc */ }; -static void __attribute__((__noreturn__)) usage(FILE *out) +static void __attribute__((__noreturn__)) usage(void) { + FILE *out = stdout; fputs(USAGE_HEADER, out); fprintf(out, _(" %s [options]\n"), program_invocation_short_name); @@ -113,13 +114,11 @@ static void __attribute__((__noreturn__)) usage(FILE *out) fputs(_(" -u, --utc RTC uses UTC\n"), out); fputs(_(" -v, --verbose verbose messages\n"), out); - printf(USAGE_SEPARATOR); - printf(USAGE_HELP); - printf(USAGE_VERSION); - + fputs(USAGE_SEPARATOR, out); + fputs(USAGE_HELP, out); + fputs(USAGE_VERSION, out); printf(USAGE_MAN_TAIL("rtcwake(8)")); - - exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS); + exit(EXIT_SUCCESS); } static int is_wakeup_enabled(const char *devname) @@ -496,9 +495,9 @@ int main(int argc, char **argv) printf(UTIL_LINUX_VERSION); exit(EXIT_SUCCESS); case 'h': - usage(stdout); + usage(); default: - usage(stderr); + errtryhelp(EXIT_FAILURE); } } |