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 23 namespace cuttlefish { 24 bool FileExists(const std::string& path); 25 bool FileHasContent(const std::string& path); 26 std::vector<std::string> DirectoryContents(const std::string& path); 27 bool DirectoryExists(const std::string& path); 28 bool IsDirectoryEmpty(const std::string& path); 29 off_t FileSize(const std::string& path); 30 bool RemoveFile(const std::string& file); 31 bool RenameFile(const std::string& old_name, const std::string& new_name); 32 std::string ReadFile(const std::string& file); 33 std::chrono::system_clock::time_point FileModificationTime(const std::string& path); 34 std::string cpp_dirname(const std::string& str); 35 std::string cpp_basename(const std::string& str); 36 37 // The returned value may contain .. or . if these are present in the path 38 // argument. 39 // path must not contain ~ 40 std::string AbsolutePath(const std::string& path); 41 42 std::string CurrentDirectory(); 43 44 struct FileSizes { 45 off_t sparse_size; 46 off_t disk_size; 47 }; 48 FileSizes SparseFileSizes(const std::string& path); 49 } // namespace cuttlefish 50