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7 #ifndef PORTABLE_ENDIAN_H__
8 #define PORTABLE_ENDIAN_H__
10 #if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__)
16 #if defined(__linux__) || defined(__CYGWIN__)
20 #elif defined(__APPLE__)
22 # include <libkern/OSByteOrder.h>
24 # define htobe16(x) OSSwapHostToBigInt16(x)
25 # define htole16(x) OSSwapHostToLittleInt16(x)
26 # define be16toh(x) OSSwapBigToHostInt16(x)
27 # define le16toh(x) OSSwapLittleToHostInt16(x)
29 # define htobe32(x) OSSwapHostToBigInt32(x)
30 # define htole32(x) OSSwapHostToLittleInt32(x)
31 # define be32toh(x) OSSwapBigToHostInt32(x)
32 # define le32toh(x) OSSwapLittleToHostInt32(x)
34 # define htobe64(x) OSSwapHostToBigInt64(x)
35 # define htole64(x) OSSwapHostToLittleInt64(x)
36 # define be64toh(x) OSSwapBigToHostInt64(x)
37 # define le64toh(x) OSSwapLittleToHostInt64(x)
39 # define __BYTE_ORDER BYTE_ORDER
40 # define __BIG_ENDIAN BIG_ENDIAN
41 # define __LITTLE_ENDIAN LITTLE_ENDIAN
42 # define __PDP_ENDIAN PDP_ENDIAN
44 #elif defined(__OpenBSD__)
48 # define __BYTE_ORDER BYTE_ORDER
49 # define __BIG_ENDIAN BIG_ENDIAN
50 # define __LITTLE_ENDIAN LITTLE_ENDIAN
51 # define __PDP_ENDIAN PDP_ENDIAN
53 #elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
55 # include <sys/endian.h>
57 # define be16toh(x) betoh16(x)
58 # define le16toh(x) letoh16(x)
60 # define be32toh(x) betoh32(x)
61 # define le32toh(x) letoh32(x)
63 # define be64toh(x) betoh64(x)
64 # define le64toh(x) letoh64(x)
66 #elif defined(__WINDOWS__)
68 # include <winsock2.h>
70 # include <sys/param.h>
73 # if BYTE_ORDER == LITTLE_ENDIAN
75 # define htobe16(x) htons(x)
76 # define htole16(x) (x)
77 # define be16toh(x) ntohs(x)
78 # define le16toh(x) (x)
80 # define htobe32(x) htonl(x)
81 # define htole32(x) (x)
82 # define be32toh(x) ntohl(x)
83 # define le32toh(x) (x)
85 # define htobe64(x) htonll(x)
86 # define htole64(x) (x)
87 # define be64toh(x) ntohll(x)
88 # define le64toh(x) (x)
90 # elif BYTE_ORDER == BIG_ENDIAN
93 # define htobe16(x) (x)
94 # define htole16(x) __builtin_bswap16(x)
95 # define be16toh(x) (x)
96 # define le16toh(x) __builtin_bswap16(x)
98 # define htobe32(x) (x)
99 # define htole32(x) __builtin_bswap32(x)
100 # define be32toh(x) (x)
101 # define le32toh(x) __builtin_bswap32(x)
103 # define htobe64(x) (x)
104 # define htole64(x) __builtin_bswap64(x)
105 # define be64toh(x) (x)
106 # define le64toh(x) __builtin_bswap64(x)
110 # error byte order not supported
114 # define __BYTE_ORDER BYTE_ORDER
115 # define __BIG_ENDIAN BIG_ENDIAN
116 # define __LITTLE_ENDIAN LITTLE_ENDIAN
117 # define __PDP_ENDIAN PDP_ENDIAN
119 #elif defined(__QNXNTO__)
121 # include <gulliver.h>
123 # define __LITTLE_ENDIAN 1234
124 # define __BIG_ENDIAN 4321
125 # define __PDP_ENDIAN 3412
127 # if defined(__BIGENDIAN__)
129 # define __BYTE_ORDER __BIG_ENDIAN
131 # define htobe16(x) (x)
132 # define htobe32(x) (x)
133 # define htobe64(x) (x)
135 # define htole16(x) ENDIAN_SWAP16(x)
136 # define htole32(x) ENDIAN_SWAP32(x)
137 # define htole64(x) ENDIAN_SWAP64(x)
139 # elif defined(__LITTLEENDIAN__)
141 # define __BYTE_ORDER __LITTLE_ENDIAN
143 # define htole16(x) (x)
144 # define htole32(x) (x)
145 # define htole64(x) (x)
147 # define htobe16(x) ENDIAN_SWAP16(x)
148 # define htobe32(x) ENDIAN_SWAP32(x)
149 # define htobe64(x) ENDIAN_SWAP64(x)
153 # error byte order not supported
157 # define be16toh(x) ENDIAN_BE16(x)
158 # define be32toh(x) ENDIAN_BE32(x)
159 # define be64toh(x) ENDIAN_BE64(x)
160 # define le16toh(x) ENDIAN_LE16(x)
161 # define le32toh(x) ENDIAN_LE32(x)
162 # define le64toh(x) ENDIAN_LE64(x)
166 # error platform not supported