+/* Sorts casefile CF according to the criteria in CB_DATA. */
+static bool
+sort_to_casefile_callback (const struct casefile *cf, void *cb_data_)
+{
+ struct sort_to_casefile_cb_data *cb_data = cb_data_;
+ cb_data->output = sort_execute (casefile_get_reader (cf), cb_data->criteria);
+ return cb_data->output != NULL;