android13/packages/modules/Bluetooth/system/gd/os/system_properties_common.cc

54 lines
1.6 KiB
C++

/*
* Copyright 2022 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.
*/
#include <string>
#include "common/strings.h"
#include "os/system_properties.h"
namespace bluetooth {
namespace os {
uint32_t GetSystemPropertyUint32(const std::string& property, uint32_t default_value) {
return GetSystemPropertyUint32Base(property, default_value, 10);
}
uint32_t GetSystemPropertyUint32Base(
const std::string& property, uint32_t default_value, int base) {
std::optional<std::string> result = GetSystemProperty(property);
if (result.has_value()) {
return static_cast<uint32_t>(std::stoul(*result, nullptr, base));
}
return default_value;
}
bool GetSystemPropertyBool(const std::string& property, bool default_value) {
std::optional<std::string> result = GetSystemProperty(property);
if (result.has_value()) {
std::string trimmed_val = common::StringTrim(result.value());
if (trimmed_val == "true" || trimmed_val == "1") {
return true;
}
if (trimmed_val == "false" || trimmed_val == "0") {
return false;
}
}
return default_value;
}
} // namespace os
} // namespace bluetooth