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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__ == __ORDER_LITTLE_ENDIAN__
75 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
76 #elif defined(__ORDER_PDP_ENDIAN__) && __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__
77 #define _MHD_BYTE_ORDER _MHD_PDP_ENDIAN
79 #elif defined(__BYTE_ORDER)
80 #if defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN
81 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
82 #elif defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN
83 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
84 #elif defined(__PDP_ENDIAN) && __BYTE_ORDER == __PDP_ENDIAN
85 #define _MHD_BYTE_ORDER _MHD_PDP_ENDIAN
87 #elif defined (BYTE_ORDER)
88 #if defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
89 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
90 #elif defined(LITTLE_ENDIAN) && BYTE_ORDER == LITTLE_ENDIAN
91 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
92 #elif defined(PDP_ENDIAN) && BYTE_ORDER == PDP_ENDIAN
93 #define _MHD_BYTE_ORDER _MHD_PDP_ENDIAN
95 #elif defined (_BYTE_ORDER)
96 #if defined(_BIG_ENDIAN) && _BYTE_ORDER == _BIG_ENDIAN
97 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
98 #elif defined(_LITTLE_ENDIAN) && _BYTE_ORDER == _LITTLE_ENDIAN
99 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
100 #elif defined(_PDP_ENDIAN) && _BYTE_ORDER == _PDP_ENDIAN
101 #define _MHD_BYTE_ORDER _MHD_PDP_ENDIAN
105 #ifndef _MHD_BYTE_ORDER
109 #if (defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)) || \
110 (defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN))
112 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
113 #elif (defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)) || \
114 (defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN))
116 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
117 #elif defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || \
118 defined(_M_X64) || defined(_M_AMD64) || defined(i386) || defined(__i386) || \
119 defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || \
120 defined(_M_IX86) || defined(_X86_) || defined (__THW_INTEL__)
122 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
123 #elif defined(__ARMEB__) || defined(__THUMBEB__) || defined(__AARCH64EB__) || \
124 defined(_MIPSEB) || defined(__MIPSEB) || defined(__MIPSEB__)
126 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
127 #elif defined(__ARMEL__) || defined(__THUMBEL__) || defined(__AARCH64EL__) || \
128 defined(_MIPSEL) || defined(__MIPSEL) || defined(__MIPSEL__)
130 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
131 #elif defined(__m68k__) || defined(M68000) || defined(__hppa__) || defined(__hppa) || \
132 defined(__HPPA__) || defined(__370__) || defined(__THW_370__) || \
133 defined(__s390__) || defined(__s390x__) || defined(__SYSC_ZARCH__)
135 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
136 #elif defined(__ia64__) || defined(_IA64) || defined(__IA64__) || defined(__ia64) || \
137 defined(_M_IA64) || defined(__itanium__) || defined(__bfin__) || \
138 defined(__BFIN__) || defined(bfin) || defined(BFIN)
140 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
141 #elif defined(_WIN32)
143 #define _MHD_BYTE_ORDER _MHD_LITTLE_ENDIAN
144 #elif defined(WORDS_BIGENDIAN)
146 #define _MHD_BYTE_ORDER _MHD_BIG_ENDIAN
151 #ifdef _MHD_BYTE_ORDER
153 #if defined(WORDS_BIGENDIAN) && _MHD_BYTE_ORDER != _MHD_BIG_ENDIAN
154 #error Configure detected big endian byte order but headers specify different byte order
155 #elif !defined(WORDS_BIGENDIAN) && _MHD_BYTE_ORDER == _MHD_BIG_ENDIAN
156 #error Configure did not detect big endian byte order but headers specify big endian byte order