1/************************************************************************** 2 * 3 * Copyright 2007-2008 VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27#ifndef U_ENDIAN_H 28#define U_ENDIAN_H 29 30#ifdef HAVE_ENDIAN_H 31#include <endian.h> 32 33/* glibc */ 34#if defined(__BYTE_ORDER) && (__BYTE_ORDER == __LITTLE_ENDIAN) 35# define UTIL_ARCH_LITTLE_ENDIAN 1 36# define UTIL_ARCH_BIG_ENDIAN 0 37#elif defined(__BYTE_ORDER) && (__BYTE_ORDER == __BIG_ENDIAN) 38# define UTIL_ARCH_LITTLE_ENDIAN 0 39# define UTIL_ARCH_BIG_ENDIAN 1 40#endif 41 42#if defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN) 43# define UTIL_ARCH_LITTLE_ENDIAN 1 44# define UTIL_ARCH_BIG_ENDIAN 0 45#elif defined(BYTE_ORDER) && (BYTE_ORDER == BIG_ENDIAN) 46# define UTIL_ARCH_LITTLE_ENDIAN 0 47# define UTIL_ARCH_BIG_ENDIAN 1 48#endif 49 50#elif defined(__APPLE__) 51#include <machine/endian.h> 52 53#if __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN 54# define UTIL_ARCH_LITTLE_ENDIAN 1 55# define UTIL_ARCH_BIG_ENDIAN 0 56#elif __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN 57# define UTIL_ARCH_LITTLE_ENDIAN 0 58# define UTIL_ARCH_BIG_ENDIAN 1 59#endif 60 61#elif defined(__sun) 62#include <sys/isa_defs.h> 63 64#if defined(_LITTLE_ENDIAN) 65# define UTIL_ARCH_LITTLE_ENDIAN 1 66# define UTIL_ARCH_BIG_ENDIAN 0 67#elif defined(_BIG_ENDIAN) 68# define UTIL_ARCH_LITTLE_ENDIAN 0 69# define UTIL_ARCH_BIG_ENDIAN 1 70#endif 71 72#elif defined(__NetBSD__) || defined(__FreeBSD__) || \ 73 defined(__DragonFly__) 74#include <sys/types.h> 75#include <machine/endian.h> 76 77#if _BYTE_ORDER == _LITTLE_ENDIAN 78# define UTIL_ARCH_LITTLE_ENDIAN 1 79# define UTIL_ARCH_BIG_ENDIAN 0 80#elif _BYTE_ORDER == _BIG_ENDIAN 81# define UTIL_ARCH_LITTLE_ENDIAN 0 82# define UTIL_ARCH_BIG_ENDIAN 1 83#endif 84 85#elif defined(_WIN32) || defined(ANDROID) 86 87#define UTIL_ARCH_LITTLE_ENDIAN 1 88#define UTIL_ARCH_BIG_ENDIAN 0 89 90#endif 91 92#if !defined(UTIL_ARCH_LITTLE_ENDIAN) || !defined(UTIL_ARCH_BIG_ENDIAN) 93# error "UTIL_ARCH_LITTLE_ENDIAN and/or UTIL_ARCH_BIG_ENDIAN were unset." 94#elif UTIL_ARCH_LITTLE_ENDIAN == UTIL_ARCH_BIG_ENDIAN 95# error "UTIL_ARCH_LITTLE_ENDIAN and UTIL_ARCH_BIG_ENDIAN must not both be 1 or 0." 96#endif 97 98#endif 99