diff options
Diffstat (limited to 'src/mux/muxedit.c')
| -rw-r--r-- | src/mux/muxedit.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/src/mux/muxedit.c b/src/mux/muxedit.c index 63e71a0a..48c6834a 100644 --- a/src/mux/muxedit.c +++ b/src/mux/muxedit.c @@ -66,14 +66,16 @@ void WebPMuxDelete(WebPMux* mux) { // Handy MACRO, makes MuxSet() very symmetric to MuxGet(). #define SWITCH_ID_LIST(INDEX, LIST) \ - if (idx == (INDEX)) { \ - err = ChunkAssignData(&chunk, data, copy_data, tag); \ - if (err == WEBP_MUX_OK) { \ - err = ChunkSetHead(&chunk, (LIST)); \ - if (err != WEBP_MUX_OK) ChunkRelease(&chunk); \ + do { \ + if (idx == (INDEX)) { \ + err = ChunkAssignData(&chunk, data, copy_data, tag); \ + if (err == WEBP_MUX_OK) { \ + err = ChunkSetHead(&chunk, (LIST)); \ + if (err != WEBP_MUX_OK) ChunkRelease(&chunk); \ + } \ + return err; \ } \ - return err; \ - } + } while (0) static WebPMuxError MuxSet(WebPMux* const mux, uint32_t tag, const WebPData* const data, int copy_data) { @@ -555,7 +557,8 @@ static WebPMuxError MuxCleanup(WebPMux* const mux) { if (num_frames == 1) { WebPMuxImage* frame = NULL; err = MuxImageGetNth((const WebPMuxImage**)&mux->images_, 1, &frame); - assert(err == WEBP_MUX_OK); // We know that one frame does exist. + if (err != WEBP_MUX_OK) return err; + // We know that one frame does exist. assert(frame != NULL); if (frame->header_ != NULL && ((mux->canvas_width_ == 0 && mux->canvas_height_ == 0) || |