[FFmpeg-cvslog] get_xbits: assert validity of the number of bits

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Jun 30 00:31:51 2013 +0200| [ff130d7363e0b29ab3e5b46fa3647f236c3c7ba5] | committer: Michael Niedermayer

get_xbits: assert validity of the number of bits

similar is already done in the other get_bits() functions

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ff130d7363e0b29ab3e5b46fa3647f236c3c7ba5
---

 libavcodec/get_bits.h |    1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index f16a508..4f4aa9a 100644
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -214,6 +214,7 @@ static inline int get_xbits(GetBitContext *s, int n)
     register int sign;
     register int32_t cache;
     OPEN_READER(re, s);
+    av_assert2(n>0 && n<=25);
     UPDATE_CACHE(re, s);
     cache = GET_CACHE(re, s);
     sign  = ~cache >> 31;