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pw-cat: improve midi errors

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EINVAL for invalid events and file
ENOENT for unknown event
This commit is contained in:
Wim Taymans 2020-02-24 10:19:11 +01:00
parent 8ecef35e80
commit 9bec2e5d8a
2 changed files with 9 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/tools/midifile.c
View file

@ -59,7 +59,7 @@ static int read_mthd(struct midi_file *mf)
{
if (mf_avail(mf) < 14 ||
memcmp(mf->p, "MThd", 4) != 0)
return -EIO;
return -EINVAL;
mf->length = parse_be32(mf->p + 4);
mf->format = parse_be16(mf->p + 8);
@ -94,7 +94,7 @@ static int read_mtrk(struct midi_file *mf, struct midi_track *track)
{
if (mf_avail(mf) < 8 ||
memcmp(mf->p, "MTrk", 4) != 0)
return -EIO;
return -EINVAL;
track->data = track->p = mf->p + 8;
track->size = parse_be32(mf->p + 4);
@ -162,7 +162,7 @@ static int peek_event(struct midi_file *mf, struct midi_track *tr, struct midi_e
break;
case 0x51:
if (size < 3)
return -EIO;
return -EINVAL;
mf->tick_sec = event->sec;
mf->tick_start = tr->tick;
mf->tempo = (tr->p[0]<<16) | (tr->p[1]<<8) | tr->p[2];
@ -176,7 +176,7 @@ static int peek_event(struct midi_file *mf, struct midi_track *tr, struct midi_e
return res;
break;
default:
return -EIO;
return -ENOENT;
}
event->data = tr->p;
tr->p = save;

7
src/tools/pw-cat.c
View file

@ -1031,8 +1031,11 @@ static int setup_midifile(struct data *data)
close(data->midi.fd);
return -errno;
}
if ((res = midi_file_init(&data->midi.mf, "r", data->midi.mem, data->midi.st.st_size)) < 0)
return -errno;
if ((res = midi_file_init(&data->midi.mf, "r", data->midi.mem, data->midi.st.st_size)) < 0) {
fprintf(stderr, "error: can't read midi file '%s': %s\n", data->filename, spa_strerror(res));
close(data->midi.fd);
return res;
}
if (data->verbose)
printf("opened file \"%s\" format %08x ntracks:%d div:%d\n",