From 94ca64f08df3dc80df551c097b621633f36ed0fa Mon Sep 17 00:00:00 2001
From: Aaron Culliney <devnull@deadc0de.org>
Date: Sun, 21 Aug 2016 14:18:14 -0700
Subject: [PATCH] Avoid a segfault if shader is not found ('make install' not
 run)

---
 src/video_util/sourceUtil.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/video_util/sourceUtil.c b/src/video_util/sourceUtil.c
index 9e859f61..8e6099a1 100644
--- a/src/video_util/sourceUtil.c
+++ b/src/video_util/sourceUtil.c
@@ -30,6 +30,9 @@ static demoSource *srcLoadSource(const char *filepathname) {
     }
 
     FILE *curFile = fopen(filepathname, "r");
+    if (!curFile) {
+        return NULL;
+    }
 
     // Get the size of the source
     fseek(curFile, 0, SEEK_END);