diff options
Diffstat (limited to 'schedutils/ionice.c')
| -rw-r--r-- | schedutils/ionice.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/schedutils/ionice.c b/schedutils/ionice.c index 1cbde8faa..9d0648bca 100644 --- a/schedutils/ionice.c +++ b/schedutils/ionice.c @@ -98,8 +98,9 @@ static void ioprio_setid(int which, int ioclass, int data, int who) err(EXIT_FAILURE, _("ioprio_set failed")); } -static void __attribute__ ((__noreturn__)) usage(FILE * out) +static void __attribute__((__noreturn__)) usage(void) { + FILE *out = stdout; fputs(USAGE_HEADER, out); fprintf(out, _(" %1$s [options] -p <pid>...\n" " %1$s [options] -P <pgid>...\n" @@ -125,7 +126,7 @@ static void __attribute__ ((__noreturn__)) usage(FILE * out) fprintf(out, USAGE_MAN_TAIL("ionice(1)")); - exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS); + exit(EXIT_SUCCESS); } int main(int argc, char **argv) @@ -201,7 +202,7 @@ int main(int argc, char **argv) printf(UTIL_LINUX_VERSION); return EXIT_SUCCESS; case 'h': - usage(stdout); + usage(); default: errtryhelp(EXIT_FAILURE); } @@ -258,9 +259,10 @@ int main(int argc, char **argv) ioprio_setid(0, ioclass, data, IOPRIO_WHO_PROCESS); execvp(argv[optind], &argv[optind]); err(EXIT_FAILURE, _("failed to execute %s"), argv[optind]); - } else - usage(stderr); - + } else { + warnx(_("bad usage")); + errtryhelp(EXIT_FAILURE); + } return EXIT_SUCCESS; } |