[LAD] Segfault when trying to dereference __midi_event.buffer (c++ newbie question)

[SxDx]

----- Original Message -----
> From: "Shani Hadiyanto Pribadi" <shanipribadi at gmx.net>
> jack_midi_event_get(&in_event, midi_buf, event_index);
> if ((*(in_event.buffer) & 0xf0) == 0x90) // Segfault happens here, on
> boolean mask operation
> {
>     _note = *(in_event.buffer + 1);
> }

jack_midi_event_get may return ENODATA
as explained in {wherever}/include/jack/midiport.h
don't access in_event in that case, there is no data