mirror of https://github.com/aria2/aria2
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/*
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* Wslay - The WebSocket Library
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*
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* Copyright (c) 2011, 2012 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "wslay_net.h"
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#ifndef WORDS_BIGENDIAN
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static uint16_t byteswap16(uint16_t x)
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{
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return ((x & 0xffu) << 8) | (x >> 8);;
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}
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#ifdef HAVE_NTOHL
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# define byteswap32(x) ntohl(x)
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#else /* !HAVE_NTOHL */
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static uint32_t byteswap32(uint32_t x)
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{
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uint32_t u = byteswap16(x & 0xffffu);
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uint32_t l = byteswap16(x >> 16);
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return (u << 16) | l;
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}
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#endif /* !HAVE_NTOHL */
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static uint64_t byteswap64(uint64_t x)
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{
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uint64_t u = byteswap32(x & 0xffffffffllu);
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uint64_t l = byteswap32(x >> 32);
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return (u << 32) | l;
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}
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uint16_t wslay_byteswap16(uint16_t x)
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{
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return byteswap16(x);
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}
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uint64_t wslay_byteswap64(uint64_t x)
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{
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return byteswap64(x);
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}
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#endif /* !WORDS_BIGENDIAN */
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