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Diffstat (limited to 'usr.sbin/mixer/mixer.c')
-rw-r--r--usr.sbin/mixer/mixer.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/usr.sbin/mixer/mixer.c b/usr.sbin/mixer/mixer.c
index ba13291f7b36..b95b7502f3f4 100644
--- a/usr.sbin/mixer/mixer.c
+++ b/usr.sbin/mixer/mixer.c
@@ -65,7 +65,7 @@ main(int argc, char *argv[])
int aflag = 0, dflag = 0, oflag = 0, sflag = 0;
int ch;
- while ((ch = getopt(argc, argv, "ad:f:os")) != -1) {
+ while ((ch = getopt(argc, argv, "ad:f:hos")) != -1) {
switch (ch) {
case 'a':
aflag = 1;
@@ -85,6 +85,7 @@ main(int argc, char *argv[])
case 's':
sflag = 1;
break;
+ case 'h': /* FALLTROUGH */
case '?':
default:
usage();
@@ -175,7 +176,8 @@ static void __dead2
usage(void)
{
fprintf(stderr, "usage: %1$s [-f device] [-d unit] [-os] [dev[.control[=value]]] ...\n"
- " %1$s [-d unit] [-os] -a\n", getprogname());
+ " %1$s [-d unit] [-os] -a\n"
+ " %1$s -h\n", getprogname());
exit(1);
}