- snprintf(CS mbox_path, sizeof(mbox_path), "%s/input/%s/%s/%s-D",
- spool_directory, queue_name, message_subdir, message_id);
- if ((data_file = Ufopen(mbox_path,"rb")))
+
+ if ((data_file = Ufopen(
+ spool_fname(US"input", message_subdir, message_id, US"-D"),
+ "rb")))