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Issue 2966523003: Reland "Update includes for webrtc/{base => rtc_base} rename (3/3)" (Closed)
Patch Set: Restoring prime suspect includes Created 3 years, 5 months ago
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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
11 #include "webrtc/base/crc32.h" 11 #include "webrtc/rtc_base/crc32.h"
12 12
13 #include "webrtc/base/arraysize.h" 13 #include "webrtc/rtc_base/arraysize.h"
14 14
15 namespace rtc { 15 namespace rtc {
16 16
17 // This implementation is based on the sample implementation in RFC 1952. 17 // This implementation is based on the sample implementation in RFC 1952.
18 18
19 // CRC32 polynomial, in reversed form. 19 // CRC32 polynomial, in reversed form.
20 // See RFC 1952, or http://en.wikipedia.org/wiki/Cyclic_redundancy_check 20 // See RFC 1952, or http://en.wikipedia.org/wiki/Cyclic_redundancy_check
21 static const uint32_t kCrc32Polynomial = 0xEDB88320; 21 static const uint32_t kCrc32Polynomial = 0xEDB88320;
22 static uint32_t kCrc32Table[256] = {0}; 22 static uint32_t kCrc32Table[256] = {0};
23 23
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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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