From: Martin Johansson Date: Wed, 30 Apr 2014 18:02:18 +0000 (+0200) Subject: Merge pull request #38 from fmorgner/master X-Git-Url: http://git.code-monkey.de/?a=commitdiff_plain;h=75f01c6b3538f6bc2a5d9c48fd0712ecafaee127;hp=c106d586872cfa5749b303c2431d0e6bf114c45e;p=umurmur.git Merge pull request #38 from fmorgner/master Byte order fix for BSD and OSX --- diff --git a/src/byteorder.h b/src/byteorder.h new file mode 100644 index 0000000..c4e78a9 --- /dev/null +++ b/src/byteorder.h @@ -0,0 +1,71 @@ +/* Copyright (C) 2014, Felix Morgner + Copyright (C) 2009-2014, Martin Johansson + Copyright (C) 2005-2014, Thorvald Natvig + + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + - Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + - Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + - Neither the name of the Developers nor the names of its contributors may + be used to endorse or promote products derived from this software without + specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef BYTEORDER_H_ +#define BYTEORDER_H_ + +#include + +#if defined(NETBSD) || defined(FREEBSD) || defined(OPENBSD) || defined(MACOSX) +#include +#if BYTE_ORDER == BIG_ENDIAN +#define BYTE_ORDER_BIG_ENDIAN +#endif // BYTE_ORDER == BIG_ENDIAN +#elif defined(LINUX) +#include +#if __BYTE_ORDER == __BIG_ENDIAN +#define BYTE_ORDER_BIG_ENDIAN +#endif // __BYTE_ORDER == __BIG_ENDIAN +#endif // defined(NETBSD) || defined(FREEBSD) || defined(OPENBSD) + +#if defined(__LP64__) +#define BLOCKSIZE 2 +#define SHIFTBITS 63 +typedef uint64_t subblock; +#if defined(BYTE_ORDER_BIG_ENDIAN) +#define SWAPPED(x) (x) +#elif defined( __x86_64__) +#define SWAPPED(x) ({register uint64_t __out, __in = (x); __asm__("bswap %q0" : "=r"(__out) : "0"(__in)); __out;}) +#else +#include +#define SWAPPED(x) bswap_64(x) +#endif // defined(BYTE_ORDER_BIG_ENDIAN) +#else +#define BLOCKSIZE 4 +#define SHIFTBITS 31 +typedef uint32_t subblock; +#define SWAPPED(x) htonl(x) +#endif // defined(__LP64__) + +#define HIGHBIT (1< -#define SWAPPED(x) bswap_64(x) -#endif -#endif - -#else - -#define BLOCKSIZE 4 -#define SHIFTBITS 31 -typedef uint32_t subblock; -#define SWAPPED(x) htonl(x) - -#endif - -#define HIGHBIT (1<