paf: avoid C99 overflows

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago · 693097c355
parent 3ee8eefbf2
commit 693097c355
1 changed files with 2 additions and 2 deletions
--- a/libavformat/paf.c
+++ b/libavformat/paf.c
@ -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;