Author: reimar Date: Wed Jan 31 22:20:31 2007 New Revision: 7788 Modified: trunk/libavcodec/lzo.c Log: Make sure we do not accidentially "fix" cnt to something < 0 Modified: trunk/libavcodec/lzo.c ============================================================================== --- trunk/libavcodec/lzo.c (original) +++ trunk/libavcodec/lzo.c Wed Jan 31 22:20:31 2007 @@ -87,11 +87,11 @@ register uint8_t *src = c->in; register uint8_t *dst = c->out; if (cnt > c->in_end - src) { - cnt = c->in_end - src; + cnt = FFMAX(c->in_end - src, 0); c->error |= LZO_INPUT_DEPLETED; } if (cnt > c->out_end - dst) { - cnt = c->out_end - dst; + cnt = FFMAX(c->out_end - dst, 0); c->error |= LZO_OUTPUT_FULL; } #if defined(INBUF_PADDED) && defined(OUTBUF_PADDED) @@ -122,7 +122,7 @@ return; } if (cnt > c->out_end - dst) { - cnt = c->out_end - dst; + cnt = FFMAX(c->out_end - dst, 0); c->error |= LZO_OUTPUT_FULL; } if (back == 1) {