From c3ce61292f33f83602ad2613c3e2ff2b1afbf421 Mon Sep 17 00:00:00 2001
From: Mark Probst <mark.probst@gmail.com>
Date: Thu, 11 Dec 2014 10:27:38 -0800
Subject: [PATCH] Usage for mytime.

---
 mytime/mytime.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mytime/mytime.c b/mytime/mytime.c
index d1016c1d..d34a1bd0 100644
--- 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]);