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pw-cat: handle midi EOF better

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Return 0 when there are no more events, 1 when we have an event and
< 0 for errors. Use this to correctly push the last set of events on
EOS and then return 0 and stop without an error.
This commit is contained in:
Wim Taymans 2020-02-21 11:19:35 +01:00
parent d8bac82e72
commit 8b874a9514
2 changed files with 9 additions and 4 deletions
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6
src/tools/midifile.c
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@ -124,7 +124,7 @@ static int peek_event(struct midi_file *mf, struct midi_track *tr, struct midi_e
int res;
if (tr_avail(tr) == 0)
return -EIO;
return 0;
save = tr->p;
status = *tr->p;
@ -182,7 +182,7 @@ static int peek_event(struct midi_file *mf, struct midi_track *tr, struct midi_e
tr->p = save;
event->size = size;
return 0;
return 1;
}
int midi_file_add_track(struct midi_file *mf, struct midi_track *track)
@ -213,7 +213,7 @@ int midi_file_peek_event(struct midi_file *mf, struct midi_event *event)
found = tr;
}
if (found == NULL)
return -EIO;
return 0;
return peek_event(mf, found, event);
}