GNU Radio's GSM Package: endian.h Source File

GNU Radio's GSM Package

endian.h
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1 // "License": Public Domain
2 // I, Mathias Panzenböck, place this file hereby into the public domain. Use it at your own risk for whatever you like.
3 // In case there are jurisdictions that don't support putting things in the public domain you can also consider it to
4 // be "dual licensed" under the BSD, MIT and Apache licenses, if you want to. This code is trivial anyway. Consider it
5 // an example on how to get the endian conversion functions on different platforms.
6
7 #ifndef PORTABLE_ENDIAN_H__
8 #define PORTABLE_ENDIAN_H__
9
10 #if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__)
11
12 # define __WINDOWS__
13
14 #endif
15
16 #if defined(__linux__) || defined(__CYGWIN__)
17
18 # include <endian.h>
19
20 #elif defined(__APPLE__)
21
22 # include <libkern/OSByteOrder.h>
23
24 # define htobe16(x) OSSwapHostToBigInt16(x)
25 # define htole16(x) OSSwapHostToLittleInt16(x)
26 # define be16toh(x) OSSwapBigToHostInt16(x)
27 # define le16toh(x) OSSwapLittleToHostInt16(x)
28
29 # define htobe32(x) OSSwapHostToBigInt32(x)
30 # define htole32(x) OSSwapHostToLittleInt32(x)
31 # define be32toh(x) OSSwapBigToHostInt32(x)
32 # define le32toh(x) OSSwapLittleToHostInt32(x)
33
34 # define htobe64(x) OSSwapHostToBigInt64(x)
35 # define htole64(x) OSSwapHostToLittleInt64(x)
36 # define be64toh(x) OSSwapBigToHostInt64(x)
37 # define le64toh(x) OSSwapLittleToHostInt64(x)
38
39 # define __BYTE_ORDER BYTE_ORDER
40 # define __BIG_ENDIAN BIG_ENDIAN
41 # define __LITTLE_ENDIAN LITTLE_ENDIAN
42 # define __PDP_ENDIAN PDP_ENDIAN
43
44 #elif defined(__OpenBSD__)
45
46 # include <sys/endian.h>
47
48 #elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
49
50 # include <sys/endian.h>
51
52 # define be16toh(x) betoh16(x)
53 # define le16toh(x) letoh16(x)
54
55 # define be32toh(x) betoh32(x)
56 # define le32toh(x) letoh32(x)
57
58 # define be64toh(x) betoh64(x)
59 # define le64toh(x) letoh64(x)
60
61 #elif defined(__WINDOWS__)
62
63 # include <winsock2.h>
64 # include <sys/param.h>
65
66 # if BYTE_ORDER == LITTLE_ENDIAN
67
68 # define htobe16(x) htons(x)
69 # define htole16(x) (x)
70 # define be16toh(x) ntohs(x)
71 # define le16toh(x) (x)
72
73 # define htobe32(x) htonl(x)
74 # define htole32(x) (x)
75 # define be32toh(x) ntohl(x)
76 # define le32toh(x) (x)
77
78 # define htobe64(x) htonll(x)
79 # define htole64(x) (x)
80 # define be64toh(x) ntohll(x)
81 # define le64toh(x) (x)
82
83 # elif BYTE_ORDER == BIG_ENDIAN
84
85 /* that would be xbox 360 */
86 # define htobe16(x) (x)
87 # define htole16(x) __builtin_bswap16(x)
88 # define be16toh(x) (x)
89 # define le16toh(x) __builtin_bswap16(x)
90
91 # define htobe32(x) (x)
92 # define htole32(x) __builtin_bswap32(x)
93 # define be32toh(x) (x)
94 # define le32toh(x) __builtin_bswap32(x)
95
96 # define htobe64(x) (x)
97 # define htole64(x) __builtin_bswap64(x)
98 # define be64toh(x) (x)
99 # define le64toh(x) __builtin_bswap64(x)
100
101 # else
102
103 # error byte order not supported
104
105 # endif
106
107 # define __BYTE_ORDER BYTE_ORDER
108 # define __BIG_ENDIAN BIG_ENDIAN
109 # define __LITTLE_ENDIAN LITTLE_ENDIAN
110 # define __PDP_ENDIAN PDP_ENDIAN
111
112 #else
113
114 # error platform not supported
115
116 #endif
117
118 #endif
endian.h