// unlock all tracks from memory
void CDiskImage::UnlockTrack(int forced)
{
// cancel, if no track data
if (!dti)
return;
// free all buffers
for (int trk=0; trk < dticnt; trk++)
FreeTrack(dti+trk, forced);
}
// get track information and unlock track from memory
PDISKTRACKINFO CDiskImage::UnlockTrack(int cylinder, int head, int forced)
{
// locate track information
PDISKTRACKINFO pti=GetTrack(cylinder, head);
// free buffers
FreeTrack(pti, forced);
return pti;
}
void MIDI_FreeFile(midi_file_t *file)
{
if (file->tracks)
{
unsigned int i;
for (i = 0; i < file->num_tracks; ++i)
FreeTrack(&file->tracks[i]);
free(file->tracks);
}
free(file);
}
// load image file and test for erros
int CDiskImage::LoadImage(UDWORD flag, int free)
{
int res=imgeOk;
// cancel, if no track data
if (!dti)
return res;
// try to load all tracks
for (int trk=0; trk < dticnt; trk++) {
PDISKTRACKINFO pt=dti+trk;
// test only untested tracks
switch (pt->type) {
case dtitUndefined:
case dtitError:
continue;
}
// load and decode
int read=AllocTrack(pt, flag);
// free track only if requested
if (free)
FreeTrack(pt);
// test load result
switch (read) {
// stop if image can't be read
case imgeUnsupported:
case imgeIncompatible:
trk=dticnt;
res=read;
continue;
// no errors
case imgeOk:
break;
// set error
default:
res=imgeGeneric;
break;
}
}
return res;
}
void MIDI_FreeFile(midi_file_t *file)
{
int i;
if (file->tracks != NULL)
{
for (i=0; i<file->num_tracks; ++i)
{
FreeTrack(&file->tracks[i]);
}
free(file->tracks);
}
free(file);
}
// unlock track from memory
void CDiskImage::UnlockTrack(PDISKTRACKINFO pti, int forced)
{
// free buffers
FreeTrack(pti, forced);
}
