From 5fd456ff7c87577b73a8eede5b05a09206b103cd Mon Sep 17 00:00:00 2001
From: Tim Angus <tim@ngus.net>
Date: Sun, 13 Jan 2013 22:05:58 +0000
Subject: [PATCH] Fix FS_FOpenFileRead corner case

FS_FOpenFileRead is a fairly mental function that changes its return
behaviour depending on whether or not file is NULL or not. It turns out
in the case where file is NULL, we were returning the wrong value when
the file didn't exist.
---
 code/qcommon/files.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/code/qcommon/files.c b/code/qcommon/files.c
index 5dffc06f..aa7dde8f 100644
--- a/code/qcommon/files.c
+++ b/code/qcommon/files.c
@@ -1360,10 +1360,17 @@ long FS_FOpenFileRead(const char *filename, fileHandle_t *file, qboolean uniqueF
 		fprintf(missingFiles, "%s\n", filename);
 #endif
 
-        if(file)
-        	*file = 0;
-        	
-	return -1;
+	if(file)
+	{
+		*file = 0;
+		return -1;
+	}
+	else
+	{
+		// When file is NULL, we're querying the existance of the file
+		// If we've got here, it doesn't exist
+		return 0;
+	}
 }
 
 /*