From b1e309865f6b4f67841c811faa5022e492095906 Mon Sep 17 00:00:00 2001
From: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Date: Fri, 17 Apr 2009 19:49:55 +0000
Subject: Change buffer check to avoid an unlikely pointer arithmetic overflow.

Originally committed as revision 18596 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/xan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libavcodec/xan.c')

diff --git a/libavcodec/xan.c b/libavcodec/xan.c
index 99feba0495..b5303eb38b 100644
--- a/libavcodec/xan.c
+++ b/libavcodec/xan.c
@@ -104,7 +104,7 @@ static int xan_huffman_decode(unsigned char *dest, const unsigned char *src,
         val = src[val - 0x17 + get_bits1(&gb) * byte];
 
         if ( val < 0x16 ) {
-            if (dest + 1 > dest_end)
+            if (dest >= dest_end)
                 return 0;
             *dest++ = val;
             val = ival;
-- 
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