f0299adec3884a45e4ed4052bb3e67124eb88da8
1 #ifndef _BABELTRACE_ENDIAN_H
2 #define _BABELTRACE_ENDIAN_H
7 * Copyright 2012 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
9 * endian.h compatibility layer.
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 #include <machine/endian.h>
33 #elif defined(__sun__)
34 #include <sys/byteorder.h>
37 #define __BIG_ENDIAN 4321
39 #ifndef __LITTLE_ENDIAN
40 #define __LITTLE_ENDIAN 1234
44 #define __BYTE_ORDER __LITTLE_ENDIAN
48 #define __BYTE_ORDER __BIG_ENDIAN
51 #define LITTLE_ENDIAN __LITTLE_ENDIAN
52 #define BIG_ENDIAN __BIG_ENDIAN
53 #define BYTE_ORDER __BYTE_ORDER
55 #define betoh16(x) BE_16(x)
56 #define letoh16(x) LE_16(x)
57 #define betoh32(x) BE_32(x)
58 #define letoh32(x) LE_32(x)
59 #define betoh64(x) BE_64(x)
60 #define letoh64(x) LE_64(x)
61 #define htobe16(x) BE_16(x)
62 #define be16toh(x) BE_16(x)
63 #define htobe32(x) BE_32(x)
64 #define be32toh(x) BE_32(x)
65 #define htobe64(x) BE_64(x)
66 #define be64toh(x) BE_64(x)
68 #elif defined(__MINGW32__)
70 #define __BIG_ENDIAN 4321
72 #ifndef __LITTLE_ENDIAN
73 #define __LITTLE_ENDIAN 1234
77 #define __BYTE_ORDER __LITTLE_ENDIAN
80 #define LITTLE_ENDIAN __LITTLE_ENDIAN
81 #define BIG_ENDIAN __BIG_ENDIAN
82 #define PDP_ENDIAN __PDP_ENDIAN
83 #define BYTE_ORDER __BYTE_ORDER
88 * htobe/betoh are not defined for glibc < 2.9, so add them explicitly
89 * if they are missing.
92 /* Conversion interfaces. */
93 # include <byteswap.h>
95 # if __BYTE_ORDER == __LITTLE_ENDIAN
97 # define htobe16(x) __bswap_16(x)
100 # define htole16(x) (x)
103 # define be16toh(x) __bswap_16(x)
106 # define le16toh(x) (x)
110 # define htobe32(x) __bswap_32(x)
113 # define htole32(x) (x)
116 # define be32toh(x) __bswap_32(x)
119 # define le32toh(x) (x)
123 # define htobe64(x) __bswap_64(x)
126 # define htole64(x) (x)
129 # define be64toh(x) __bswap_64(x)
132 # define le64toh(x) (x)
135 # else /* __BYTE_ORDER == __LITTLE_ENDIAN */
137 # define htobe16(x) (x)
140 # define htole16(x) __bswap_16(x)
143 # define be16toh(x) (x)
146 # define le16toh(x) __bswap_16(x)
150 # define htobe32(x) (x)
153 # define htole32(x) __bswap_32(x)
156 # define be32toh(x) (x)
159 # define le32toh(x) __bswap_32(x)
163 # define htobe64(x) (x)
166 # define htole64(x) __bswap_64(x)
169 # define be64toh(x) (x)
172 # define le64toh(x) __bswap_64(x)
175 # endif /* __BYTE_ORDER == __LITTLE_ENDIAN */
176 # endif /* __USE_BSD */
177 #endif /* else -- __FreeBSD__ */
179 #ifndef FLOAT_WORD_ORDER
180 #ifdef __FLOAT_WORD_ORDER
181 #define FLOAT_WORD_ORDER __FLOAT_WORD_ORDER
182 #else /* __FLOAT_WORD_ORDER */
183 #define FLOAT_WORD_ORDER BYTE_ORDER
184 #endif /* __FLOAT_WORD_ORDER */
185 #endif /* FLOAT_WORD_ORDER */
187 #endif /* _BABELTRACE_ENDIAN_H */
This page took 0.033362 seconds and 4 git commands to generate.