port: fix compat/endian.h on FreeBSD
[lttng-tools.git] / src / common / compat / endian.h
CommitLineData
eb71a0aa 1/*
ab5be9fa 2 * Copyright (C) 2011 David Goulet <dgoulet@efficios.com>
eb71a0aa 3 *
ab5be9fa 4 * SPDX-License-Identifier: GPL-2.0-only
eb71a0aa 5 *
eb71a0aa
DG
6 */
7
f263b7fd 8#ifndef _COMPAT_ENDIAN_H
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9#define _COMPAT_ENDIAN_H
10
07bb6d71 11#if defined(__linux__) || defined(__CYGWIN__)
eb71a0aa 12#include <endian.h>
4ff128af 13#include <byteswap.h>
f263b7fd
JD
14
15/*
16 * htobe/betoh are not defined for glibc <2.9, so add them
17 * explicitly if they are missing.
18 */
19#ifdef __USE_BSD
20/* Conversion interfaces. */
21# include <byteswap.h>
22
23# if __BYTE_ORDER == __LITTLE_ENDIAN
24# ifndef htobe16
25# define htobe16(x) __bswap_16(x)
26# endif
27# ifndef htole16
28# define htole16(x) (x)
29# endif
30# ifndef be16toh
31# define be16toh(x) __bswap_16(x)
32# endif
33# ifndef le16toh
34# define le16toh(x) (x)
35# endif
36
37# ifndef htobe32
38# define htobe32(x) __bswap_32(x)
39# endif
40# ifndef htole32
41# define htole32(x) (x)
42# endif
43# ifndef be32toh
44# define be32toh(x) __bswap_32(x)
45# endif
46# ifndef le32toh
47# define le32toh(x) (x)
48# endif
49
50# ifndef htobe64
51# define htobe64(x) __bswap_64(x)
52# endif
53# ifndef htole64
54# define htole64(x) (x)
55# endif
56# ifndef be64toh
57# define be64toh(x) __bswap_64(x)
58# endif
59# ifndef le64toh
60# define le64toh(x) (x)
61# endif
62
63# else /* __BYTE_ORDER == __LITTLE_ENDIAN */
64# ifndef htobe16
65# define htobe16(x) (x)
66# endif
67# ifndef htole16
68# define htole16(x) __bswap_16(x)
69# endif
70# ifndef be16toh
71# define be16toh(x) (x)
72# endif
73# ifndef le16toh
74# define le16toh(x) __bswap_16(x)
75# endif
76
77# ifndef htobe32
78# define htobe32(x) (x)
79# endif
80# ifndef htole32
81# define htole32(x) __bswap_32(x)
82# endif
83# ifndef be32toh
84# define be32toh(x) (x)
85# endif
86# ifndef le32toh
87# define le32toh(x) __bswap_32(x)
88# endif
89
90# ifndef htobe64
91# define htobe64(x) (x)
92# endif
93# ifndef htole64
94# define htole64(x) __bswap_64(x)
95# endif
96# ifndef be64toh
97# define be64toh(x) (x)
98# endif
99# ifndef le64toh
100# define le64toh(x) __bswap_64(x)
101# endif
102
103# endif /* __BYTE_ORDER == __LITTLE_ENDIAN */
104#endif /* __USE_BSD */
105
b2c3836f 106#elif defined(__FreeBSD__)
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MJ
107#include <sys/endian.h>
108
109#define bswap_16(x) bswap16(x)
110#define bswap_32(x) bswap32(x)
111#define bswap_64(x) bswap64(x)
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112
113#elif defined(__sun__)
114#include <sys/byteorder.h>
115#ifndef __BIG_ENDIAN
116#define __BIG_ENDIAN 4321
117#endif /* __BIG_ENDIAN */
118#ifndef __LITTLE_ENDIAN
119#define __LITTLE_ENDIAN 1234
120#endif /* __LITTLE_ENDIAN */
121
122#ifdef _LITTLE_ENDIAN
123#define __BYTE_ORDER __LITTLE_ENDIAN
124#endif /* _LITTLE_ENDIAN */
125#ifdef _BIG_ENDIAN
126#define __BYTE_ORDER __BIG_ENDIAN
127#endif /* _BIG_ENDIAN */
128
129#define LITTLE_ENDIAN __LITTLE_ENDIAN
130#define BIG_ENDIAN __BIG_ENDIAN
131#define PDP_ENDIAN __PDP_ENDIAN
132#define BYTE_ORDER __BYTE_ORDER
133
134#define betoh16(x) BE_16(x)
135#define letoh16(x) LE_16(x)
136#define betoh32(x) BE_32(x)
137#define letoh32(x) LE_32(x)
138#define betoh64(x) BE_64(x)
139#define letoh64(x) LE_64(x)
140#define htobe16(x) BE_16(x)
141#define be16toh(x) BE_16(x)
142#define htobe32(x) BE_32(x)
143#define be32toh(x) BE_32(x)
144#define htobe64(x) BE_64(x)
145#define be64toh(x) BE_64(x)
146
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147#elif defined(__APPLE__)
148# include <machine/endian.h>
149# include <libkern/OSByteOrder.h>
150
151# if BYTE_ORDER == LITTLE_ENDIAN
152# define htobe16(x) OSSwapConstInt16(x)
153# define htole16(x) (x)
154# define be16toh(x) OSSwapConstInt16(x)
155# define le16toh(x) (x)
156
157# define htobe32(x) OSSwapConstInt32(x)
158# define htole32(x) (x)
159# define be32toh(x) OSSwapConstInt32(x)
160# define le32toh(x) (x)
161
162# define htobe64(x) OSSwapConstInt64(x)
163# define htole64(x) (x)
164# define be64toh(x) OSSwapConstInt64(x)
165# define le64toh(x) (x)
166
167# else /* BYTE_ORDER == LITTLE_ENDIAN */
168# define htobe16(x) (x)
169# define htole16(x) OSSwapConstInt16(x)
170# define be16toh(x) (x)
171# define le16toh(x) OSSwapConstInt16(x)
172
173# define htobe32(x) (x)
174# define htole32(x) OSSwapConstInt32(x)
175# define be32toh(x) (x)
176# define le32toh(x) OSSwapConstInt32(x)
177
178# define htobe64(x) (x)
179# define htole64(x) OSSwapConstInt64(x)
180# define be64toh(x) (x)
181# define le64toh(x) OSSwapConstInt64(x)
182# endif
183
eb71a0aa 184#else
b2c3836f 185#error "Please add support for your OS."
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186#endif
187
188#endif /* _COMPAT_ENDIAN_H */
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