Usage for mytime.

xamarin · Dec 19, 2014 · c3ce612 · c3ce612
1 parent 3b71874
commit c3ce612
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/mytime/mytime.c b/mytime/mytime.c
@@ -19,6 +19,11 @@ main (int argc, char *argv [])
 	double diff;
 	int timeout;
 
+	if (argc <= 3) {
+		fprintf (stderr, "Usage: mytime TIME-FILE TIMEOUT PROGRAM [ARG ...]\n");
+		exit (1);
+	}
+
 	assert (argc > 3);
 
 	timeout = atoi (argv [2]);