* Copyright (C) 2026 Huawei Device Co., Ltd.
* 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 "file_lock_util.h"
namespace Hdc {
bool FileLockUtil::AtomicAppend(const std::string& path, const std::string& content)
{
return FileLockGuard::WithLock(path, [&content](FileLockGuard& guard) {
return guard.AppendLine(content);
});
}
bool FileLockUtil::AtomicRemoveLine(const std::string& path, const std::string& lineToRemove)
{
return FileLockGuard::WithLock(path, [&lineToRemove](FileLockGuard& guard) {
return guard.FilterLine(lineToRemove);
});
}
bool FileLockUtil::AtomicReadAndClear(const std::string& path, std::string& content)
{
bool result = FileLockGuard::WithLock(path, [&content](FileLockGuard& guard) {
if (!guard.ReadAll(content)) {
return false;
}
bool truncateResult = guard.Truncate();
return truncateResult;
});
return result;
}
}