This is significantly faster
Fixes: Timeout (1sec after this and the previous commit)
Fixes: 15558/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PPM_fuzzer-
5705273643106304
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
int next = END_NOT_FOUND;
int skip = 0;
- for (; pc->overread > 0; pc->overread--) {
- pc->buffer[pc->index++]= pc->buffer[pc->overread_index++];
+ if (pc->overread > 0) {
+ memmove(pc->buffer + pc->index, pc->buffer + pc->overread_index, pc->overread);
+ pc->index += pc->overread;
+ pc->overread_index += pc->overread;
+ pc->overread = 0;
}
if (pnmpc->remaining_bytes) {