2017-03-14 19:20:15 +01:00
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/* <MIT License>
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Copyright (c) 2013-2014 Marek Majkowski <marek@popcount.org>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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</MIT License>
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Original location:
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https://github.com/majek/csiphash/
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Solution inspired by code from:
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Samuel Neves (supercop/crypto_auth/siphash24/little)
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djb (supercop/crypto_auth/siphash24/little2)
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Jean-Philippe Aumasson (https://131002.net/siphash/siphash24.c)
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*/
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2018-12-23 21:51:45 +01:00
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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2017-03-14 19:20:15 +01:00
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/* This code is extracted from csiphash.h */
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#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
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__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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# define _le64toh(x) ((uint64_t)(x))
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#elif defined(_WIN32)
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/* Windows is always little endian, unless you're on xbox360
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http://msdn.microsoft.com/en-us/library/b0084kay(v=vs.80).aspx */
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# define _le64toh(x) ((uint64_t)(x))
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#elif defined(__APPLE__)
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# include <libkern/OSByteOrder.h>
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# define _le64toh(x) OSSwapLittleToHostInt64(x)
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#elif defined(sun) || defined(__sun)
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# include <sys/byteorder.h>
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# define _le64toh(x) LE_64(x)
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#else
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/* See: http://sourceforge.net/p/predef/wiki/Endianness/ */
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# if defined(__FreeBSD__) || defined(__NetBSD__) || defined(OpenBSD)
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# include <sys/endian.h>
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# else
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# include <endian.h>
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# endif
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# if defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && \
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__BYTE_ORDER == __LITTLE_ENDIAN
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# define _le64toh(x) ((uint64_t)(x))
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# else
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# if defined(OpenBSD)
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# define _le64toh(x) letoh64(x)
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# else
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# define _le64toh(x) le64toh(x)
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# endif
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# endif
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#endif
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