The Tor Browser / file revision

 // Copyright (c) 2011, Google Inc.

 // All rights reserved.

 //

 // Redistribution and use in source and binary forms, with or without

 // modification, are permitted provided that the following conditions are

 // met:

 //

 //     * Redistributions of source code must retain the above copyright

 // notice, this list of conditions and the following disclaimer.

 //     * Redistributions in binary form must reproduce the above

 // copyright notice, this list of conditions and the following disclaimer

 // in the documentation and/or other materials provided with the

 // distribution.

 //     * Neither the name of Google Inc. nor the names of its

 // contributors may be used to endorse or promote products derived from

 // this software without specific prior written permission.

 //

 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 // file_utils.h: Define utility functions for file manipulation, which

 // are used for testing.

 #ifndef COMMON_TESTS_FILE_UTILS_H_

 #define COMMON_TESTS_FILE_UTILS_H_

 namespace google_breakpad {

 // Copies a file from |from_path| to |to_path|. Returns true on success.

 bool CopyFile(const char* from_path, const char* to_path);

 // Reads the content of a file at |path| into |buffer|. |buffer_size| specifies

 // the size of |buffer| in bytes and returns the number of bytes read from the

 // file on success. Returns true on success.

 bool ReadFile(const char* path, void* buffer, ssize_t* buffer_size);

 // Writes |buffer_size| bytes of the content in |buffer| to a file at |path|.

 // Returns true on success.

 bool WriteFile(const char* path, const void* buffer, size_t buffer_size);

 }  // namespace google_breakpad

 #endif  // COMMON_TESTS_FILE_UTILS_H_