| // Copyright (C) 2016 The Android Open Source Project |
| // |
| // This software is licensed under the terms of the GNU General Public |
| // License version 2, as published by the Free Software Foundation, and |
| // may be copied, distributed, and modified under those terms. |
| // |
| // This program is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| #pragma once |
| |
| #include "base/Optional.h" |
| |
| #include <string> |
| |
| namespace android { |
| |
| // Reads from |fd| into |file_contents| |
| // Returns false if something went wrong |
| bool readFileIntoString(int fd, std::string* file_contents); |
| |
| // Reads |name| file |
| base::Optional<std::string> readFileIntoString(const std::string& filename); |
| |
| // Writes |file_contents| to |fd| |
| // Returns false if something went wrong |
| bool writeStringToFile(int fd, const std::string& file_contents); |
| |
| // Sets the file size to |size|, could either extend or truncate it. |
| bool setFileSize(int fd, int64_t size); |
| |
| } // namespace android |
