titan: usage and exit on unknown flags

1 files changed, 2 insertions, 0 deletions

diff --git a/titan.c b/titan.c
index df677b4..62733b9 100644
--- a/titan.c
+++ b/titan.c
@@ -257,6 +257,8 @@ main(int argc, char **argv)
 		case 't':
 			token = optarg;
 			break;
+		default:
+			usage();
 		}
 	}
 	argc -= optind;