dir = mailbox_list_get_root_forced(ns->list, MAILBOX_LIST_PATH_TYPE_DIR);
storage->storage_dir = p_strconcat(_storage->pool, dir,
"/"MDBOX_GLOBAL_DIR_NAME, NULL);
- storage->alt_storage_dir = p_strconcat(_storage->pool,
- ns->list->set.alt_dir,
- "/"MDBOX_GLOBAL_DIR_NAME, NULL);
+ if (ns->list->set.alt_dir != NULL) {
+ storage->alt_storage_dir = p_strconcat(_storage->pool,
+ ns->list->set.alt_dir,
+ "/"MDBOX_GLOBAL_DIR_NAME, NULL);
+ }
i_array_init(&storage->open_files, 64);
storage->map = mdbox_map_init(storage, ns->list);