+#ifdef UCI_PLUGIN_SUPPORT
+
+__plugin int uci_add_backend(struct uci_context *ctx, struct uci_backend *b)
+{
+ struct uci_element *e;
+ UCI_HANDLE_ERR(ctx);
+
+ e = uci_lookup_list(&ctx->backends, b->e.name);
+ if (e)
+ UCI_THROW(ctx, UCI_ERR_DUPLICATE);
+
+ e = uci_malloc(ctx, sizeof(struct uci_backend));
+ memcpy(e, b, sizeof(struct uci_backend));
+
+ uci_list_add(&ctx->backends, &e->list);
+ return 0;
+}
+
+__plugin int uci_del_backend(struct uci_context *ctx, struct uci_backend *b)
+{
+ struct uci_element *e, *tmp;
+
+ UCI_HANDLE_ERR(ctx);
+
+ e = uci_lookup_list(&ctx->backends, b->e.name);
+ if (!e || uci_to_backend(e)->ptr != b->ptr)
+ UCI_THROW(ctx, UCI_ERR_NOTFOUND);
+ b = uci_to_backend(e);
+
+ if (ctx->backend && ctx->backend->ptr == b->ptr)
+ ctx->backend = &uci_file_backend;