1 /*
2  * Copyright (c) 2024 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 SYSTEM_PARAMETERS_H
17 #define SYSTEM_PARAMETERS_H
18 
19 #include <limits>
20 #include <string>
21 
22 namespace OHOS {
23 namespace system {
24 /*
25  * Returns true if the system parameter `key` has the value "1", "y", "yes", "on", or "true",
26  * false for "0", "n", "no", "off", or "false", or `def` otherwise.
27  */
28 bool GetBoolParameter(const std::string &key, bool def);
29 std::string GetParameter(const std::string &key, const std::string &def);
30 bool SetParameter(const std::string& key, const std::string& value);
31 } // namespace system
32 } // namespace OHOS
33 
34 #endif // SYSTEM_PARAMETERS_H