void **elts = xbt_dict_get_or_null(lib->dict, key);
if (!elts) {
elts = xbt_new0(void *, lib->levels);
void **elts = xbt_dict_get_or_null(lib->dict, key);
if (!elts) {
elts = xbt_new0(void *, lib->levels);
- xbt_dict_set(lib->dict, key, elts, xbt_free);
+ xbt_dict_set(lib->dict, key, elts, NULL);