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@gmx.at>
12 years ago · ff130d7363
parent 68efb1d60a
commit ff130d7363
1 changed files with 1 additions and 0 deletions
--- 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;