avformat: Don't accept negative size.

bf5cbff5 · Pierre d'Herbemont · 761871b1 · bf5cbff5
Commit bf5cbff5 authored Sep 17, 2008 by Pierre d'Herbemont
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modules/demux/avformat/demux.c modules/demux/avformat/demux.c +1 -0

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--- a/modules/demux/avformat/demux.c
+++ b/modules/demux/avformat/demux.c
@@ -488,6 +488,7 @@ static int IORead( void *opaque, uint8_t *buf, int buf_size )
 {
    URLContext *p_url = opaque;
    demux_t *p_demux = p_url->priv_data;
+    if( buf_size < 0 ) return -1;
    int i_ret = stream_Read( p_demux->s, buf, buf_size );
    return i_ret ? i_ret : -1;
 }