26 #ifndef MHD_BYTEORDER_H
27 #define MHD_BYTEORDER_H
36 #include <sys/param.h>
39 #if HAVE_MACHINE_ENDIAN_H
40 #include <machine/endian.h>
44 #include <sys/endian.h>
48 #include <sys/types.h>
51 #if HAVE_SYS_BYTEORDER_H
52 #include <sys/byteorder.h>
55 #if HAVE_SYS_MACHINE_H
56 #include <sys/machine.h>
59 #if HAVE_MACHINE_PARAM_H
60 #include <machine/param.h>
63 #if HAVE_SYS_ISA_DEFS_H
64 #include <sys/isa_defs.h>
67 #define _MHD_BIG_ENDIAN 1234
68 #define _MHD_LITTLE_ENDIAN 4321
69 #define _MHD_PDP_ENDIAN 2143
71 #if defined(__BYTE_ORDER__)
72 #if defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
73 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
74 #elif defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == \
75 __ORDER_LITTLE_ENDIAN__
76 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
77 #elif defined(__ORDER_PDP_ENDIAN__) && __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__
78 #define _MHD_BYTE_ORDER _MHD_PDP_ENDIAN
80 #elif defined(__BYTE_ORDER)
81 #if defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN
82 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
83 #elif defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN
84 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
85 #elif defined(__PDP_ENDIAN) && __BYTE_ORDER == __PDP_ENDIAN
86 #define _MHD_BYTE_ORDER _MHD_PDP_ENDIAN
88 #elif defined (BYTE_ORDER)
89 #if defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
90 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
91 #elif defined(LITTLE_ENDIAN) && BYTE_ORDER == LITTLE_ENDIAN
92 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
93 #elif defined(PDP_ENDIAN) && BYTE_ORDER == PDP_ENDIAN
94 #define _MHD_BYTE_ORDER _MHD_PDP_ENDIAN
96 #elif defined (_BYTE_ORDER)
97 #if defined(_BIG_ENDIAN) && _BYTE_ORDER == _BIG_ENDIAN
98 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
99 #elif defined(_LITTLE_ENDIAN) && _BYTE_ORDER == _LITTLE_ENDIAN
100 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
101 #elif defined(_PDP_ENDIAN) && _BYTE_ORDER == _PDP_ENDIAN
102 #define _MHD_BYTE_ORDER _MHD_PDP_ENDIAN
106 #ifndef _MHD_BYTE_ORDER
110 #if (defined(__BIG_ENDIAN__) && ! defined(__LITTLE_ENDIAN__)) || \
111 (defined(_BIG_ENDIAN) && ! defined(_LITTLE_ENDIAN))
113 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
114 #elif (defined(__LITTLE_ENDIAN__) && ! defined(__BIG_ENDIAN__)) || \
115 (defined(_LITTLE_ENDIAN) && ! defined(_BIG_ENDIAN))
117 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
118 #elif defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || \
119 defined(__x86_64) || \
120 defined(_M_X64) || defined(_M_AMD64) || defined(i386) || defined(__i386) || \
121 defined(__i386__) || defined(__i486__) || defined(__i586__) || \
122 defined(__i686__) || \
123 defined(_M_IX86) || defined(_X86_) || defined (__THW_INTEL__)
125 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
126 #elif defined(__ARMEB__) || defined(__THUMBEB__) || defined(__AARCH64EB__) || \
127 defined(_MIPSEB) || defined(__MIPSEB) || defined(__MIPSEB__)
129 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
130 #elif defined(__ARMEL__) || defined(__THUMBEL__) || defined(__AARCH64EL__) || \
131 defined(_MIPSEL) || defined(__MIPSEL) || defined(__MIPSEL__)
133 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
134 #elif defined(__m68k__) || defined(M68000) || defined(__hppa__) || \
136 defined(__HPPA__) || defined(__370__) || defined(__THW_370__) || \
137 defined(__s390__) || defined(__s390x__) || defined(__SYSC_ZARCH__)
139 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
140 #elif defined(__ia64__) || defined(_IA64) || defined(__IA64__) || \
142 defined(_M_IA64) || defined(__itanium__) || defined(__bfin__) || \
143 defined(__BFIN__) || defined(bfin) || defined(BFIN)
145 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
146 #elif defined(_WIN32)
148 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
149 #elif defined(WORDS_BIGENDIAN)
151 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
156 #ifdef _MHD_BYTE_ORDER
158 #if defined(WORDS_BIGENDIAN) && _MHD_BYTE_ORDER != _MHD_BIG_ENDIAN
160 Configure detected big endian byte order but headers specify different byte order
161 #elif ! defined(WORDS_BIGENDIAN) && _MHD_BYTE_ORDER == _MHD_BIG_ENDIAN
163 Configure did not detect big endian byte order but headers specify big endian byte order