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paf: avoid C99 overflows

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-14 04:01:41 +02:00
parent 3ee8eefbf2
commit 693097c355
1 changed files with 2 additions and 2 deletions
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4
libavformat/paf.c
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@ -212,8 +212,8 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
if (p->current_frame_block >= p->frame_blks)
return AVERROR_INVALIDDATA;
offset = p->blocks_offset_table[p->current_frame_block] & ~(1 << 31);
if (p->blocks_offset_table[p->current_frame_block] & (1 << 31)) {
offset = p->blocks_offset_table[p->current_frame_block] & ~(1U << 31);
if (p->blocks_offset_table[p->current_frame_block] & (1U << 31)) {
if (offset > p->audio_size - p->buffer_size)
return AVERROR_INVALIDDATA;