1 /* 2 * Copyright (C) 2015 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 17 #ifndef ANDROID_BASE_FILE_H 18 #define ANDROID_BASE_FILE_H 19 20 #include <sys/stat.h> 21 #include <string> 22 23 #if !defined(_WIN32) && !defined(O_BINARY) 24 #define O_BINARY 0 25 #endif 26 27 namespace android { 28 namespace base { 29 30 bool ReadFdToString(int fd, std::string* content); 31 bool ReadFileToString(const std::string& path, std::string* content, 32 bool follow_symlinks = false); 33 34 bool WriteStringToFile(const std::string& content, const std::string& path, 35 bool follow_symlinks = false); 36 bool WriteStringToFd(const std::string& content, int fd); 37 38 #if !defined(_WIN32) 39 bool WriteStringToFile(const std::string& content, const std::string& path, 40 mode_t mode, uid_t owner, gid_t group, 41 bool follow_symlinks = false); 42 #endif 43 44 bool ReadFully(int fd, void* data, size_t byte_count); 45 bool WriteFully(int fd, const void* data, size_t byte_count); 46 47 bool RemoveFileIfExists(const std::string& path, std::string* err = nullptr); 48 49 #if !defined(_WIN32) 50 bool Realpath(const std::string& path, std::string* result); 51 bool Readlink(const std::string& path, std::string* result); 52 #endif 53 54 std::string GetExecutablePath(); 55 std::string GetExecutableDirectory(); 56 57 // Like the regular basename and dirname, but thread-safe on all 58 // platforms and capable of correctly handling exotic Windows paths. 59 std::string Basename(const std::string& path); 60 std::string Dirname(const std::string& path); 61 62 } // namespace base 63 } // namespace android 64 65 #endif // ANDROID_BASE_FILE_H 66