avcodec/put_bits: Assert that size in set_put_bits_buffer_size() does not cause integer overflows

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-25 05:31:26 +02:00
parent 291ad5cc9c
commit bd46e78aa4

View File

@ -252,6 +252,7 @@ static inline void skip_put_bits(PutBitContext *s, int n)
*/
static inline void set_put_bits_buffer_size(PutBitContext *s, int size)
{
av_assert0(size <= INT_MAX/8 - 32);
s->buf_end = s->buf + size;
s->size_in_bits = 8*size;
}