From cbc5797bd7b211c46fc5b2fd03bfbb32651b6edf 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 bb8e1e4..93452d3 100644
--- a/main.cpp
+++ b/main.cpp
@@ -333,7 +333,7 @@ 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 {