Rémi Bernon (@rbernon) commented about dlls/dmime/midi.c:
HRESULT midi_parser_next_track(struct midi_parser *parser, IDirectMusicTrack **out_track, MUSIC_TIME *out_length) { - TRACE("(%p, %p, %p): stub\n", parser, out_track, out_length); + WORD i = 0; + TRACE("(%p, %p): stub\n", parser, out_length); + while (TRUE) + { + HRESULT hr; + BYTE magic[4] = {0}, last_status = 0; + DWORD length_be; + ULONG length; + ULONG read = 0; + + TRACE("Start parsing track %u\n", i); + if ((hr = IStream_Read(parser->stream, magic, sizeof(magic), &read)) != S_OK) return hr; + if (read == 0) break; That check seems unnecessary as magic is zero-initialized? Or maybe better leave it uninitialized and do:
```suggestion:-0+0 if (read < sizeof(magic)) break; ``` -- https://gitlab.winehq.org/wine/wine/-/merge_requests/5081#note_61500