1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #pragma once 17 18 #include <sys/types.h> 19 20 #include <chrono> 21 #include <string> 22 #include <vector> 23 24 #include "common/libs/utils/result.h" 25 26 namespace cuttlefish { 27 bool FileExists(const std::string& path, bool follow_symlinks = true); 28 bool FileHasContent(const std::string& path); 29 std::vector<std::string> DirectoryContents(const std::string& path); 30 bool DirectoryExists(const std::string& path, bool follow_symlinks = true); 31 Result<void> EnsureDirectoryExists(const std::string& directory_path); 32 bool IsDirectoryEmpty(const std::string& path); 33 bool RecursivelyRemoveDirectory(const std::string& path); 34 off_t FileSize(const std::string& path); 35 bool RemoveFile(const std::string& file); 36 bool RenameFile(const std::string& old_name, const std::string& new_name); 37 std::string ReadFile(const std::string& file); 38 bool MakeFileExecutable(const std::string& path); 39 std::chrono::system_clock::time_point FileModificationTime(const std::string& path); 40 std::string cpp_dirname(const std::string& str); 41 std::string cpp_basename(const std::string& str); 42 // Whether a file exists and is a unix socket 43 bool FileIsSocket(const std::string& path); 44 45 // The returned value may contain .. or . if these are present in the path 46 // argument. 47 // path must not contain ~ 48 std::string AbsolutePath(const std::string& path); 49 50 std::string CurrentDirectory(); 51 52 struct FileSizes { 53 off_t sparse_size; 54 off_t disk_size; 55 }; 56 FileSizes SparseFileSizes(const std::string& path); 57 } // namespace cuttlefish 58