| /* |
| This file is part of libmicrohttpd |
| Copyright (C) 2015 Karlson2k (Evgeny Grin) |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library. |
| If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| /** |
| * @file microhttpd/mhd_byteorder.h |
| * @brief macro definitions for host byte order |
| * @author Karlson2k (Evgeny Grin) |
| */ |
| |
| #ifndef MHD_BYTEORDER_H |
| #define MHD_BYTEORDER_H |
| |
| #include "mhd_options.h" |
| |
| #include <stdint.h> |
| |
| #ifdef HAVE_ENDIAN_H |
| #include <endian.h> |
| #endif |
| |
| #ifdef HAVE_SYS_PARAM_H |
| #include <sys/param.h> |
| #endif |
| |
| #ifdef HAVE_MACHINE_ENDIAN_H |
| #include <machine/endian.h> |
| #endif |
| |
| #ifdef HAVE_SYS_ENDIAN_H |
| #include <sys/endian.h> |
| #endif |
| |
| #ifdef HAVE_SYS_TYPES_H |
| #include <sys/types.h> |
| #endif |
| |
| #ifdef HAVE_SYS_BYTEORDER_H |
| #include <sys/byteorder.h> |
| #endif |
| |
| #ifdef HAVE_SYS_MACHINE_H |
| #include <sys/machine.h> |
| #endif |
| |
| #ifdef HAVE_MACHINE_PARAM_H |
| #include <machine/param.h> |
| #endif |
| |
| #ifdef HAVE_SYS_ISA_DEFS_H |
| #include <sys/isa_defs.h> |
| #endif |
| |
| #define _MHD_BIG_ENDIAN 1234 |
| #define _MHD_LITTLE_ENDIAN 4321 |
| #define _MHD_PDP_ENDIAN 2143 |
| |
| #if defined(__BYTE_ORDER__) |
| #if defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN |
| #elif defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == \ |
| __ORDER_LITTLE_ENDIAN__ |
| #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN |
| #elif defined(__ORDER_PDP_ENDIAN__) && __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__ |
| #define _MHD_BYTE_ORDER _MHD_PDP_ENDIAN |
| #endif /* __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__ */ |
| #elif defined(__BYTE_ORDER) |
| #if defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN |
| #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN |
| #elif defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN |
| #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN |
| #elif defined(__PDP_ENDIAN) && __BYTE_ORDER == __PDP_ENDIAN |
| #define _MHD_BYTE_ORDER _MHD_PDP_ENDIAN |
| #endif /* __BYTE_ORDER == __PDP_ENDIAN */ |
| #elif defined(BYTE_ORDER) |
| #if defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN |
| #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN |
| #elif defined(LITTLE_ENDIAN) && BYTE_ORDER == LITTLE_ENDIAN |
| #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN |
| #elif defined(PDP_ENDIAN) && BYTE_ORDER == PDP_ENDIAN |
| #define _MHD_BYTE_ORDER _MHD_PDP_ENDIAN |
| #endif /* __BYTE_ORDER == _PDP_ENDIAN */ |
| #elif defined(_BYTE_ORDER) |
| #if defined(_BIG_ENDIAN) && _BYTE_ORDER == _BIG_ENDIAN |
| #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN |
| #elif defined(_LITTLE_ENDIAN) && _BYTE_ORDER == _LITTLE_ENDIAN |
| #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN |
| #elif defined(_PDP_ENDIAN) && _BYTE_ORDER == _PDP_ENDIAN |
| #define _MHD_BYTE_ORDER _MHD_PDP_ENDIAN |
| #endif /* _BYTE_ORDER == _PDP_ENDIAN */ |
| #endif /* _BYTE_ORDER */ |
| |
| #ifndef _MHD_BYTE_ORDER |
| /* Byte order specification didn't detected in system headers */ |
| /* Try some guessing */ |
| |
| #if (defined(__BIG_ENDIAN__) && ! defined(__LITTLE_ENDIAN__)) || \ |
| (defined(_BIG_ENDIAN) && ! defined(_LITTLE_ENDIAN)) |
| /* Seems that we are on big endian platform */ |
| #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN |
| #elif (defined(__LITTLE_ENDIAN__) && ! defined(__BIG_ENDIAN__)) || \ |
| (defined(_LITTLE_ENDIAN) && ! defined(_BIG_ENDIAN)) |
| /* Seems that we are on little endian platform */ |
| #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN |
| #elif defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || \ |
| defined(__x86_64) || \ |
| defined(_M_X64) || defined(_M_AMD64) || defined(i386) || defined(__i386) || \ |
| defined(__i386__) || defined(__i486__) || defined(__i586__) || \ |
| defined(__i686__) || \ |
| defined(_M_IX86) || defined(_X86_) || defined(__THW_INTEL__) |
| /* x86 family is little endian */ |
| #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN |
| #elif defined(__ARMEB__) || defined(__THUMBEB__) || defined(__AARCH64EB__) || \ |
| defined(_MIPSEB) || defined(__MIPSEB) || defined(__MIPSEB__) |
| /* Looks like we are on ARM/MIPS in big endian mode */ |
| #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN |
| #elif defined(__ARMEL__) || defined(__THUMBEL__) || defined(__AARCH64EL__) || \ |
| defined(_MIPSEL) || defined(__MIPSEL) || defined(__MIPSEL__) |
| /* Looks like we are on ARM/MIPS in little endian mode */ |
| #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN |
| #elif defined(__m68k__) || defined(M68000) || defined(__hppa__) || \ |
| defined(__hppa) || \ |
| defined(__HPPA__) || defined(__370__) || defined(__THW_370__) || \ |
| defined(__s390__) || defined(__s390x__) || defined(__SYSC_ZARCH__) |
| /* Looks like we are on big endian platform */ |
| #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN |
| #elif defined(__ia64__) || defined(_IA64) || defined(__IA64__) || \ |
| defined(__ia64) || \ |
| defined(_M_IA64) || defined(__itanium__) || defined(__bfin__) || \ |
| defined(__BFIN__) || defined(bfin) || defined(BFIN) |
| /* Looks like we are on little endian platform */ |
| #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN |
| #elif defined(_WIN32) |
| /* W32 is always little endian on all platforms */ |
| #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN |
| #elif defined(WORDS_BIGENDIAN) |
| /* Use byte order detected by configure */ |
| #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN |
| #endif /* _WIN32 */ |
| |
| #endif /* !_MHD_BYTE_ORDER */ |
| |
| #ifdef _MHD_BYTE_ORDER |
| /* Some safety checks */ |
| #if defined(WORDS_BIGENDIAN) && _MHD_BYTE_ORDER != _MHD_BIG_ENDIAN |
| #error \ |
| Configure detected big endian byte order but headers specify different byte order |
| #elif ! defined(WORDS_BIGENDIAN) && _MHD_BYTE_ORDER == _MHD_BIG_ENDIAN |
| #error \ |
| Configure did not detect big endian byte order but headers specify big endian byte order |
| #endif /* !WORDS_BIGENDIAN && _MHD_BYTE_ORDER == _MHD_BIG_ENDIAN */ |
| #endif /* _MHD_BYTE_ORDER */ |
| |
| #endif /* !MHD_BYTEORDER_H */ |