| // Copyright (c) 2016 The WebM project authors. All Rights Reserved. |
| // |
| // Use of this source code is governed by a BSD-style license |
| // that can be found in the LICENSE file in the root of the source |
| // tree. An additional intellectual property rights grant can be found |
| // in the file PATENTS. All contributing project authors may |
| // be found in the AUTHORS file in the root of the source tree. |
| #include "src/parser_utils.h" |
| |
| #include <cassert> |
| #include <cstdint> |
| |
| #include "webm/reader.h" |
| #include "webm/status.h" |
| |
| namespace webm { |
| |
| Status ReadByte(Reader* reader, std::uint8_t* byte) { |
| assert(reader != nullptr); |
| assert(byte != nullptr); |
| |
| std::uint64_t num_bytes_read; |
| const Status status = reader->Read(1, byte, &num_bytes_read); |
| |
| if (!status.completed_ok()) { |
| assert(num_bytes_read == 0); |
| } else { |
| assert(num_bytes_read == 1); |
| } |
| |
| return status; |
| } |
| |
| } // namespace webm |