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bigbiff bigbiff61cdc022013-08-08 08:35:06 -04001/*
2 platform.h (14.05.13)
3 OS-specific code (libc-specific in fact). Note that systems with the
4 same kernel can use different libc implementations.
5
6 Copyright (C) 2010-2013 Andrew Nayenko
7
8 This program is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#ifndef PLATFORM_H_INCLUDED
23#define PLATFORM_H_INCLUDED
24
25#if defined(__GLIBC__)
26
27#include <endian.h>
28#include <byteswap.h>
29
30#elif defined(__APPLE__)
31
32#include <machine/endian.h>
33#include <libkern/OSByteOrder.h>
34#define bswap_16(x) OSSwapInt16(x)
35#define bswap_32(x) OSSwapInt32(x)
36#define bswap_64(x) OSSwapInt64(x)
37#define __BYTE_ORDER BYTE_ORDER
38#define __LITTLE_ENDIAN LITTLE_ENDIAN
39#define __BIG_ENDIAN BIG_ENDIAN
40
41#elif defined(__FreeBSD__) || defined(__DragonFlyBSD__) || defined(__NetBSD__)
42
43#include <sys/endian.h>
44#define bswap_16(x) bswap16(x)
45#define bswap_32(x) bswap32(x)
46#define bswap_64(x) bswap64(x)
47#define __BYTE_ORDER _BYTE_ORDER
48#define __LITTLE_ENDIAN _LITTLE_ENDIAN
49#define __BIG_ENDIAN _BIG_ENDIAN
50
51#elif defined(__OpenBSD__)
52
53#include <machine/endian.h>
54#define bswap_16(x) swap16(x)
55#define bswap_32(x) swap32(x)
56#define bswap_64(x) swap64(x)
57#define __BYTE_ORDER _BYTE_ORDER
58#define __LITTLE_ENDIAN _LITTLE_ENDIAN
59#define __BIG_ENDIAN _BIG_ENDIAN
60
61#elif defined(__sun)
62
63#include <sys/byteorder.h>
64#define bswap_16(x) BSWAP_16(x)
65#define bswap_32(x) BSWAP_32(x)
66#define bswap_64(x) BSWAP_64(x)
67#define __LITTLE_ENDIAN 1234
68#define __BIG_ENDIAN 4321
69#ifdef _LITTLE_ENDIAN
70#define __BYTE_ORDER __LITTLE_ENDIAN
71#else
72#define __BYTE_ORDER __BIG_ENDIAN
73#endif
74
75#else
76#error Unknown platform
77#endif
78
79#endif /* ifndef PLATFORM_H_INCLUDED */