On 12/09/2015 11:01 AM, Steve Dickson wrote:
> Show the correct arguments when invalid
> arguments are used.
>
> Signed-off-by: Steve Dickson <steved@xxxxxxxxxx>
Committed...
steved.
> ---
> 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;
>
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