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1 /* | 1 /* |
2 * Copyright 2012 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2012 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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43 uint32_t c = start ^ 0xFFFFFFFF; | 43 uint32_t c = start ^ 0xFFFFFFFF; |
44 const uint8_t* u = static_cast<const uint8_t*>(buf); | 44 const uint8_t* u = static_cast<const uint8_t*>(buf); |
45 for (size_t i = 0; i < len; ++i) { | 45 for (size_t i = 0; i < len; ++i) { |
46 c = kCrc32Table[(c ^ u[i]) & 0xFF] ^ (c >> 8); | 46 c = kCrc32Table[(c ^ u[i]) & 0xFF] ^ (c >> 8); |
47 } | 47 } |
48 return c ^ 0xFFFFFFFF; | 48 return c ^ 0xFFFFFFFF; |
49 } | 49 } |
50 | 50 |
51 } // namespace rtc | 51 } // namespace rtc |
52 | 52 |
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