1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#ifndef PARAMETER__H
17#define PARAMETER__H
18
19#ifdef __cplusplus
20#if __cplusplus
21extern "C" {
22#endif
23#endif /* __cplusplus */
24
25int GetParameter(const char *key, const char *def, char *value, unsigned int len);
26
27int SetParameter(const char *key, const char *value);
28
29typedef void (*ParameterChgPtr)(const char *key, const char *value, void *context);
30int WatchParameter(const char *keyprefix, ParameterChgPtr callback, void *context);
31
32int GetDevUdid(char *udid, int size);
33#ifdef __cplusplus
34#if __cplusplus
35}
36#endif
37#endif /* __cplusplus */
38#endif
39