aosp12/system/libufdt/ufdt_prop_dict.h

64 lines
1.8 KiB
C

/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef UFDT_PROP_DICT_H
#define UFDT_PROP_DICT_H
struct fdt_property;
struct ufdt_prop_dict {
int mem_size;
int num_used;
void *fdtp;
const struct fdt_property **props;
};
/*
* Allocates some new spaces and creates a new ufdt_prop_dict.
*
* @return: a pointer to the newly created ufdt_prop_dict or
* NULL if dto_malloc failed
*/
int ufdt_prop_dict_construct(struct ufdt_prop_dict *dict, void *fdtp);
/*
* Frees all space dto_malloced, not including ufdt_nodes in the table.
*/
void ufdt_prop_dict_destruct(struct ufdt_prop_dict *dict);
/*
* Adds a fdt_property (as pointer) to the ufdt_prop_dict.
* @return: 0 if success
* < 0 otherwise
*
* @Time: O(length of node->name)
*/
int ufdt_prop_dict_add(struct ufdt_prop_dict *dict,
const struct fdt_property *prop);
/*
* Returns the pointer to the fdt_property with name
*
* @return: a pointer to the node or
* NULL if no such node in ufdt_prop_dict with same name.
*
* @Time: O(len = |name|)
*/
const struct fdt_property *ufdt_prop_dict_find(const struct ufdt_prop_dict *dict,
const char *name);
#endif