- user_data_t ud = {
- .data = node,
- .free_func = wr_config_free
- };
-
- status = plugin_register_write (cb_name, wr_write, &ud);
+ status = plugin_register_write (cb_name, wr_write,
+ &(user_data_t) {
+ .data = node,
+ .free_func = wr_config_free,
+ });