Print a usage message if a non-option is specified.

MFC after: 3 weeks
2004-10-13 20:33:18 +00:00 · 2004-10-13 20:33:18 +00:00 · d3c6fd4749
commit d3c6fd4749
parent 6ad5a15cc6
1 changed files with 2 additions and 1 deletions
--- a/sbin/dmesg/dmesg.c
+++ b/sbin/dmesg/dmesg.c
@ -99,7 +99,8 @@ main(int argc, char *argv[])
 			usage();
 		}
 	argc -= optind;
-	argv += optind;
+	if (argc != 0)
+		usage();

 	if (memf == NULL) {
 		/*