From 8799bf4ea840c0fd9f870f6a88915a03a3898d5c Mon Sep 17 00:00:00 2001
From: Pavel Krajcevski <pavel@cs.unc.edu>
Date: Thu, 13 Sep 2012 16:32:07 -0400
Subject: [PATCH] Make sure to properly exit if there are no command line
 arguments.

---
 CLTool/src/clunix.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CLTool/src/clunix.cpp b/CLTool/src/clunix.cpp
index 9ddb255..b4b770f 100644
--- a/CLTool/src/clunix.cpp
+++ b/CLTool/src/clunix.cpp
@@ -11,6 +11,10 @@ void PrintUsage() {
 int main(int argc, char **argv) {
 
   int fileArg = 1;
+  if(fileArg == argc) {
+    PrintUsage();
+    exit(1);
+  }
 
   int quality = 50;
   int numThreads = 1;