- index_file_path = g_build_filename(directory, "index", index_basename->str, NULL);
- mapped_file = g_mapped_file_new(index_file_path, FALSE, NULL);
+ index_file_path.reset(g_build_filename(directory.get(), "index", index_basename->str, NULL));
+ mapped_file = g_mapped_file_new(index_file_path.get(), FALSE, NULL);