diff options
Diffstat (limited to 'sys-utils/chcpu.c')
-rw-r--r-- | sys-utils/chcpu.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/sys-utils/chcpu.c b/sys-utils/chcpu.c index 30afa457c..c0f568073 100644 --- a/sys-utils/chcpu.c +++ b/sys-utils/chcpu.c @@ -232,8 +232,9 @@ static void cpu_parse(char *cpu_string, cpu_set_t *cpu_set, size_t setsize) errx(EXIT_FAILURE, _("failed to parse CPU list: %s"), cpu_string); } -static void __attribute__((__noreturn__)) usage(FILE *out) +static void __attribute__((__noreturn__)) usage(void) { + FILE *out = stdout; fprintf(out, _( "\nUsage:\n" " %s [options]\n"), program_invocation_short_name); @@ -251,7 +252,7 @@ static void __attribute__((__noreturn__)) usage(FILE *out) " -r, --rescan trigger rescan of cpus\n" " -V, --version output version information and exit\n")); - exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS); + exit(EXIT_SUCCESS); } int main(int argc, char *argv[]) @@ -316,7 +317,7 @@ int main(int argc, char *argv[]) cpu_parse(argv[optind - 1], cpu_set, setsize); break; case 'h': - usage(stdout); + usage(); case 'p': if (strcmp("horizontal", argv[optind - 1]) == 0) cmd = CMD_CPU_DISPATCH_HORIZONTAL; @@ -337,8 +338,10 @@ int main(int argc, char *argv[]) } } - if ((argc == 1) || (argc != optind)) - usage(stderr); + if ((argc == 1) || (argc != optind)) { + warnx(_("bad usage")); + errtryhelp(EXIT_FAILURE); + } switch (cmd) { case CMD_CPU_ENABLE: |