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 33 bool WriteStringToFile(const std::string& content, const std::string& path); 34 bool WriteStringToFd(const std::string& content, int fd); 35 36 #if !defined(_WIN32) 37 bool WriteStringToFile(const std::string& content, const std::string& path, 38 mode_t mode, uid_t owner, gid_t group); 39 #endif 40 41 bool ReadFully(int fd, void* data, size_t byte_count); 42 bool WriteFully(int fd, const void* data, size_t byte_count); 43 44 bool RemoveFileIfExists(const std::string& path, std::string* err = nullptr); 45 46 } // namespace base 47 } // namespace android 48 49 #endif // ANDROID_BASE_FILE_H 50