Show the correct arguments when invalid
arguments are used.
Signed-off-by: Steve Dickson <steved@xxxxxxxxxx>
---
utils/idmapd/idmapd.c | 12 ++++++++++--
1 file 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;
--
2.4.3
--
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