| /* | 
 |  * Copyright (C) 2023 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. | 
 |  */ | 
 |  | 
 | #pragma once | 
 |  | 
 | #include <android-base/unique_fd.h> | 
 |  | 
 | #include <string> | 
 |  | 
 | using android::base::unique_fd; | 
 |  | 
 | // TODO(b/175635923): remove after enabling libc++fs for windows | 
 | const char kPathSeparator = | 
 | #ifdef _WIN32 | 
 |         '\\'; | 
 | #else | 
 |         '/'; | 
 | #endif | 
 |  | 
 | std::string GetHomeDirPath(); | 
 | bool FileExists(const std::string& path); | 
 | bool EnsureDirectoryExists(const std::string& directory_path); | 
 |  | 
 | class FileLock { | 
 |   public: | 
 |     FileLock() = delete; | 
 |     FileLock(const std::string& path); | 
 |  | 
 |   private: | 
 |     unique_fd fd_; | 
 | }; |