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authorMichael Niedermayer <michaelni@gmx.at>2012-04-07 16:04:09 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-04-07 19:59:00 +0200
commit6560fa390e9a296276faaa22779936f187f05a96 (patch)
tree1dfea3ce226498a2cb107dc6658a92626cc52b4e
parent20676711fedbdb2918c035f86e43adaa03dde2bd (diff)
downloadffmpeg-6560fa390e9a296276faaa22779936f187f05a96.tar.gz
get_bits: check the number of bits parameter through av_assert2()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavcodec/get_bits.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index 09b846eb42..2123972fb0 100644
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -30,6 +30,7 @@
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
+#include "libavutil/avassert.h"
#include "mathops.h"
/*
@@ -222,6 +223,7 @@ static inline int get_sbits(GetBitContext *s, int n)
{
register int tmp;
OPEN_READER(re, s);
+ av_assert2(n>0 && n<=25);
UPDATE_CACHE(re, s);
tmp = SHOW_SBITS(re, s, n);
LAST_SKIP_BITS(re, s, n);
@@ -236,6 +238,7 @@ static inline unsigned int get_bits(GetBitContext *s, int n)
{
register int tmp;
OPEN_READER(re, s);
+ av_assert2(n>0 && n<=25);
UPDATE_CACHE(re, s);
tmp = SHOW_UBITS(re, s, n);
LAST_SKIP_BITS(re, s, n);
@@ -250,6 +253,7 @@ static inline unsigned int show_bits(GetBitContext *s, int n)
{
register int tmp;
OPEN_READER(re, s);
+ av_assert2(n>0 && n<=25);
UPDATE_CACHE(re, s);
tmp = SHOW_UBITS(re, s, n);
return tmp;