mirror of
https://github.com/darlinghq/darling-WTF.git
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63 lines
2.7 KiB
C++
63 lines
2.7 KiB
C++
/*
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* Copyright (C) 2012 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if OS(UNIX)
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#include <arpa/inet.h>
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#endif
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#if OS(WINDOWS)
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namespace WTF {
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inline uint32_t wswap32(uint32_t x) { return ((x & 0xffff0000) >> 16) | ((x & 0x0000ffff) << 16); }
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inline uint32_t bswap32(uint32_t x) { return ((x & 0xff000000) >> 24) | ((x & 0x00ff0000) >> 8) | ((x & 0x0000ff00) << 8) | ((x & 0x000000ff) << 24); }
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inline uint16_t bswap16(uint16_t x) { return ((x & 0xff00) >> 8) | ((x & 0x00ff) << 8); }
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} // namespace WTF
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#if CPU(BIG_ENDIAN)
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inline uint16_t ntohs(uint16_t x) { return x; }
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inline uint16_t htons(uint16_t x) { return x; }
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inline uint32_t ntohl(uint32_t x) { return x; }
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inline uint32_t htonl(uint32_t x) { return x; }
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#elif CPU(MIDDLE_ENDIAN)
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inline uint16_t ntohs(uint16_t x) { return x; }
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inline uint16_t htons(uint16_t x) { return x; }
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inline uint32_t ntohl(uint32_t x) { return WTF::wswap32(x); }
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inline uint32_t htonl(uint32_t x) { return WTF::wswap32(x); }
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#else
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inline uint16_t ntohs(uint16_t x) { return WTF::bswap16(x); }
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inline uint16_t htons(uint16_t x) { return WTF::bswap16(x); }
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inline uint32_t ntohl(uint32_t x) { return WTF::bswap32(x); }
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inline uint32_t htonl(uint32_t x) { return WTF::bswap32(x); }
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#endif
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#endif // OS(WINDOWS)
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