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Additional checks for LV2 mapPath and freePath supprt

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This commit is contained in:
Mike Oliphant
2023-04-11 08:26:40 -07:00
parent 362b4b530d
commit 6a1b7bfd2d
1 changed files with 35 additions and 2 deletions
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src/nam_plugin.cpp
+35 -2
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@@ -213,6 +213,13 @@ namespace NAM {
LV2_State_Map_Path* map_path = (LV2_State_Map_Path*)lv2_features_data(features, LV2_STATE__mapPath); LV2_State_Map_Path* map_path = (LV2_State_Map_Path*)lv2_features_data(features, LV2_STATE__mapPath);
if (map_path == nullptr)
{
lv2_log_error(&nam->logger, "LV2_STATE__mapPath unsupported by host\n");
return LV2_STATE_ERR_NO_FEATURE;
}
// Map absolute sample path to an abstract state path // Map absolute sample path to an abstract state path
char* apath = map_path->abstract_path(map_path->handle, nam->currentModelPath.c_str()); char* apath = map_path->abstract_path(map_path->handle, nam->currentModelPath.c_str());
@@ -221,7 +228,16 @@ namespace NAM {
LV2_State_Free_Path* free_path = (LV2_State_Free_Path *)lv2_features_data(features, LV2_STATE__freePath); LV2_State_Free_Path* free_path = (LV2_State_Free_Path *)lv2_features_data(features, LV2_STATE__freePath);
free_path->free_path(free_path->handle, apath); if (free_path != nullptr)
{
free_path->free_path(free_path->handle, apath);
}
else
{
#ifndef _WIN32 // Can't free library allocated memory on Windows
free(apath);
#endif
}
return LV2_STATE_SUCCESS; return LV2_STATE_SUCCESS;
} }
@@ -250,6 +266,14 @@ namespace NAM {
} }
LV2_State_Map_Path* map_path = (LV2_State_Map_Path*)lv2_features_data(features, LV2_STATE__mapPath); LV2_State_Map_Path* map_path = (LV2_State_Map_Path*)lv2_features_data(features, LV2_STATE__mapPath);
if (map_path == nullptr)
{
lv2_log_error(&nam->logger, "LV2_STATE__mapPath unsupported by host\n");
return LV2_STATE_ERR_NO_FEATURE;
}
// Map abstract state path to absolute path // Map abstract state path to absolute path
char* path = map_path->absolute_path(map_path->handle, (const char *)value); char* path = map_path->absolute_path(map_path->handle, (const char *)value);
@@ -274,7 +298,16 @@ namespace NAM {
LV2_State_Free_Path* free_path = (LV2_State_Free_Path*)lv2_features_data(features, LV2_STATE__freePath); LV2_State_Free_Path* free_path = (LV2_State_Free_Path*)lv2_features_data(features, LV2_STATE__freePath);
free_path->free_path(free_path->handle, path); if (free_path != nullptr)
{
free_path->free_path(free_path->handle, path);
}
else
{
#ifndef _WIN32 // Can't free library allocated memory on Windows
free(path);
#endif
}
return result; return result;
} }