diff options
| -rw-r--r-- | utils/idmapd/idmapd.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/utils/idmapd/idmapd.c b/utils/idmapd/idmapd.c index 689608a..910b02e 100644 --- a/utils/idmapd/idmapd.c +++ b/utils/idmapd/idmapd.c @@ -199,6 +199,12 @@ flush_nfsd_idmap_cache(void) return ret; } +void usage(char *progname) +{ + fprintf(stderr, "Usage: %s [-fvCS] [-p path] [-c path]\n", + basename(progname)); +} + int main(int argc, char **argv) { @@ -232,9 +238,11 @@ main(int argc, char **argv) conf_path = optarg; if (opt == '?') { if (strchr(GETOPTSTR, optopt)) - errx(1, "'-%c' option requires an argument.", optopt); + warnx("'-%c' option requires an argument.", optopt); else - errx(1, "'-%c' is an invalid argument.", optopt); + warnx("'-%c' is an invalid argument.", optopt); + usage(progname); + exit(1); } } optind = 1; |