[FFmpeg-cvslog] xbmdec: fix off by one error in scanf()

[Michael Niedermayer]

ffmpeg | branch: release/0.11 | Michael Niedermayer <michaelni at gmx.at> | Sun May  5 00:23:13 2013 +0200| [d94d383f13d1a46dec1cba71bf56bdc8c63feb57] | committer: Michael Niedermayer

xbmdec: fix off by one error in scanf()

Fixes out of array access

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit 88c1b0e7a852e48d9f0e3d79c44edaa86e59acfe)

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d94d383f13d1a46dec1cba71bf56bdc8c63feb57
---

 libavcodec/xbmdec.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/xbmdec.c b/libavcodec/xbmdec.c
index b3e4cf2..ef27d70 100644
--- a/libavcodec/xbmdec.c
+++ b/libavcodec/xbmdec.c
@@ -57,7 +57,7 @@ static int xbm_decode_frame(AVCodecContext *avctx, void *data,
         int number, len;
 
         ptr += strcspn(ptr, "#");
-        if (sscanf(ptr, "#define %256s %u", name, &number) != 2) {
+        if (sscanf(ptr, "#define %255s %u", name, &number) != 2) {
             av_log(avctx, AV_LOG_ERROR, "Unexpected preprocessor directive\n");
             return AVERROR_INVALIDDATA;
         }