From 31bceedeb98a572685e89d8c9daf496ee37ef8a9 Mon Sep 17 00:00:00 2001
From: Christopher Kohnert <ckohnert@gmail.com>
Date: Wed, 31 May 2017 11:41:40 -0700
Subject: [PATCH] Return a failure code when aborting.

---
 main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.cpp b/main.cpp
index b9f923a..ec39d40 100644
--- a/main.cpp
+++ b/main.cpp
@@ -335,7 +335,7 @@ static const char *helpText =
     "\n";
 
 int main(int argc, const char * const *argv) {
-    #define ABORT(msg) { puts(msg); return 0; }
+    #define ABORT(msg) { puts(msg); return 1; }
 
     // Parse command line arguments
     enum {