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Add support for LV2 state:freePath feature

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This fixes a memory-leak issue for Windows builds.
see also https://github.com/drobilla/lilv/issues/14
This commit is contained in:
Robin Gareus 2019-12-08 15:21:30 +01:00
parent dca3f7dd97
commit 7253f304e2
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 31 additions and 8 deletions
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39
libs/plugins/a-fluidsynth.lv2/a-fluidsynth.cc
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@ -727,7 +727,10 @@ save (LV2_Handle instance,
return LV2_STATE_ERR_NO_PROPERTY;
}
LV2_State_Map_Path* map_path = NULL;
LV2_State_Map_Path* map_path = NULL;
#ifdef LV2_STATE__freePath
LV2_State_Free_Path* free_path = NULL;
#endif
for (int i = 0; features[i]; ++i) {
if (!strcmp (features[i]->URI, LV2_STATE__mapPath)) {
@ -743,9 +746,15 @@ save (LV2_Handle instance,
store (handle, self->afs_sf2file,
apath, strlen (apath) + 1,
self->atom_Path, LV2_STATE_IS_POD);
#ifndef _WIN32 // TODO need lilv_free() -- https://github.com/drobilla/lilv/issues/14
free (apath);
#ifdef LV2_STATE__freePath
if (free_path) {
free_path->free_path (free_path->handle, apath);
} else
#endif
#ifndef _WIN32 // https://github.com/drobilla/lilv/issues/14
{
free (apath);
}
#endif
return LV2_STATE_SUCCESS;
@ -764,12 +773,20 @@ restore (LV2_Handle instance,
return LV2_STATE_ERR_UNKNOWN;
}
LV2_State_Map_Path* map_path = NULL;
LV2_State_Map_Path* map_path = NULL;
#ifdef LV2_STATE__freePath
LV2_State_Free_Path* free_path = NULL;
#endif
for (int i = 0; features[i]; ++i) {
if (!strcmp (features[i]->URI, LV2_STATE__mapPath)) {
map_path = (LV2_State_Map_Path*) features[i]->data;
}
#ifdef LV2_STATE__freePath
else if (!strcmp(features[i]->URI, LV2_STATE__freePath)) {
free_path = (LV2_State_Free_Path*)features[i]->data;
}
#endif
}
if (!map_path) {
@ -784,11 +801,17 @@ restore (LV2_Handle instance,
if (value) {
char* apath = map_path->absolute_path (map_path->handle, (const char*) value);
strncpy (self->queue_sf2_file_path, apath, 1023);
printf ("XXX %s -> %s\n", (const char*) value, apath);
self->queue_sf2_file_path[1023] = '\0';
self->queue_reinit = true;
#ifndef _WIN32 // TODO need lilv_free() -- https://github.com/drobilla/lilv/issues/14
free (apath);
#ifdef LV2_STATE__freePath
if (free_path) {
free_path->free_path (free_path->handle, apath);
} else
#endif
#ifndef _WIN32 // https://github.com/drobilla/lilv/issues/14
{
free (apath);
}
#endif
}
return LV2_STATE_SUCCESS;