From 0acacd23d458cf4ce0464fbfe96931156a78fcc8 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Wed, 21 Mar 2012 00:10:21 +0000
Subject: [PATCH] xxan: use bytestream2_size()

Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/xxan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/xxan.c b/libavcodec/xxan.c
index ebb88aead4..26621588c4 100644
--- a/libavcodec/xxan.c
+++ b/libavcodec/xxan.c
@@ -257,7 +257,7 @@ static int xan_decode_frame_type0(AVCodecContext *avctx)
     if ((ret = xan_decode_chroma(avctx, chroma_off)) != 0)
         return ret;
 
-    if (corr_off >= (s->gb.buffer_end - s->gb.buffer_start)) {
+    if (corr_off >= bytestream2_size(&s->gb)) {
         av_log(avctx, AV_LOG_WARNING, "Ignoring invalid correction block position\n");
         corr_off = 0;
     }