1/*
2 *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#include "webrtc/modules/audio_processing/test/protobuf_utils.h"
12
13namespace webrtc {
14
15size_t ReadMessageBytesFromFile(FILE* file, rtc::scoped_ptr<uint8_t[]>* bytes) {
16  // The "wire format" for the size is little-endian. Assume we're running on
17  // a little-endian machine.
18#ifndef WEBRTC_ARCH_LITTLE_ENDIAN
19#error "Need to convert messsage from little-endian."
20#endif
21  int32_t size = 0;
22  if (fread(&size, sizeof(size), 1, file) != 1)
23    return 0;
24  if (size <= 0)
25    return 0;
26
27  bytes->reset(new uint8_t[size]);
28  return fread(bytes->get(), sizeof((*bytes)[0]), size, file);
29}
30
31// Returns true on success, false on error or end-of-file.
32bool ReadMessageFromFile(FILE* file, ::google::protobuf::MessageLite* msg) {
33  rtc::scoped_ptr<uint8_t[]> bytes;
34  size_t size = ReadMessageBytesFromFile(file, &bytes);
35  if (!size)
36    return false;
37
38  msg->Clear();
39  return msg->ParseFromArray(bytes.get(), size);
40}
41
42}  // namespace webrtc
43