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| 1 /* | |
| 2 * Copyright (C) 2012 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef WTF_ByteOrder_h | |
| 32 #define WTF_ByteOrder_h | |
| 33 | |
| 34 #include <wtf/Platform.h> | |
| 35 | |
| 36 #if OS(UNIX) | |
| 37 #include <arpa/inet.h> | |
| 38 #endif | |
| 39 | |
| 40 #if OS(WINDOWS) | |
| 41 | |
| 42 namespace WTF { | |
| 43 inline uint32_t wswap32(uint32_t x) { return ((x & 0xffff0000) >> 16) | ((x & 0x
0000ffff) << 16); } | |
| 44 inline uint32_t bswap32(uint32_t x) { return ((x & 0xff000000) >> 24) | ((x & 0x
00ff0000) >> 8) | ((x & 0x0000ff00) << 8) | ((x & 0x000000ff) << 24); } | |
| 45 inline uint16_t bswap16(uint16_t x) { return ((x & 0xff00) >> 8) | ((x & 0x00ff)
<< 8); } | |
| 46 } // namespace WTF | |
| 47 | |
| 48 #if CPU(BIG_ENDIAN) | |
| 49 inline uint16_t ntohs(uint16_t x) { return x; } | |
| 50 inline uint16_t htons(uint16_t x) { return x; } | |
| 51 inline uint32_t ntohl(uint32_t x) { return x; } | |
| 52 inline uint32_t htonl(uint32_t x) { return x; } | |
| 53 #elif CPU(MIDDLE_ENDIAN) | |
| 54 inline uint16_t ntohs(uint16_t x) { return x; } | |
| 55 inline uint16_t htons(uint16_t x) { return x; } | |
| 56 inline uint32_t ntohl(uint32_t x) { return WTF::wswap32(x); } | |
| 57 inline uint32_t htonl(uint32_t x) { return WTF::wswap32(x); } | |
| 58 #else | |
| 59 inline uint16_t ntohs(uint16_t x) { return WTF::bswap16(x); } | |
| 60 inline uint16_t htons(uint16_t x) { return WTF::bswap16(x); } | |
| 61 inline uint32_t ntohl(uint32_t x) { return WTF::bswap32(x); } | |
| 62 inline uint32_t htonl(uint32_t x) { return WTF::bswap32(x); } | |
| 63 #endif | |
| 64 | |
| 65 #endif // OS(WINDOWS) | |
| 66 | |
| 67 #endif // WTF_ByteOrder_h | |
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Chromium Code Reviews
Issue 14238015:
Move Source/WTF/wtf to Source/wtf (Closed)
Base URL: svn://svn.chromium.org/blink/trunk