ubusd_id.h

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/*
 * Copyright (C) 2011 Felix Fietkau <nbd@openwrt.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */
 
#ifndef __UBUSD_ID_H
#define __UBUSD_ID_H
 
#include <libubox/avl.h>
#include <stdint.h>
 
struct ubus_id {
        struct avl_node avl;
        uint32_t id;
};
 
void ubus_init_id_tree(struct avl_tree *tree);
void ubus_init_string_tree(struct avl_tree *tree, bool dup);
bool ubus_alloc_id(struct avl_tree *tree, struct ubus_id *id, uint32_t val);
 
static inline void ubus_free_id(struct avl_tree *tree, struct ubus_id *id)
{
        avl_delete(tree, &id->avl);
}
 
static inline struct ubus_id *ubus_find_id(struct avl_tree *tree, uint32_t id)
{
        struct avl_node *avl;
 
        avl = avl_find(tree, &id);
        if (!avl)
                return NULL;
 
        return container_of(avl, struct ubus_id, avl);
}
 
#endif