Statistics
| Branch: | Revision:

scoutos / prex-0.9.0 / include / sys / endian.h @ 03e9c04a

History | View | Annotate | Download (2.59 KB)

1
/*-
2
 * Copyright (c) 1987, 1991, 1993
3
 *        The Regents of the University of California.  All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 * 1. Redistributions of source code must retain the above copyright
9
 *    notice, this list of conditions and the following disclaimer.
10
 * 2. Redistributions in binary form must reproduce the above copyright
11
 *    notice, this list of conditions and the following disclaimer in the
12
 *    documentation and/or other materials provided with the distribution.
13
 * 3. Neither the name of the University nor the names of its contributors
14
 *    may be used to endorse or promote products derived from this software
15
 *    without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27
 * SUCH DAMAGE.
28
 *
29
 *        @(#)endian.h        8.1 (Berkeley) 6/10/93
30
 */
31

    
32
#ifndef _SYS_ENDIAN_H_
33
#define        _SYS_ENDIAN_H_
34

    
35
/*
36
 * Define the order of 32-bit words in 64-bit words.
37
 */
38
#define _QUAD_HIGHWORD 0
39
#define _QUAD_LOWWORD 1
40

    
41
/*
42
 * Definitions for byte order, according to byte significance from low
43
 * address to high.
44
 */
45
#define        LITTLE_ENDIAN        1234        /* LSB first: i386, vax */
46
#define        BIG_ENDIAN        4321        /* MSB first: 68000, ibm, net */
47
#define        PDP_ENDIAN        3412        /* LSB first in word, MSW first in long */
48

    
49
#include <machine/endian.h>
50
#include <sys/cdefs.h>
51
#include <sys/types.h>
52

    
53
#define        BYTE_ORDER        _BYTE_ORDER
54

    
55

    
56
/*
57
 * Macros for network/external number representation conversion.
58
 */
59
#if BYTE_ORDER == BIG_ENDIAN && !defined(__lint__)
60
#define        ntohl(x)        (x)
61
#define        ntohs(x)        (x)
62
#define        htonl(x)        (x)
63
#define        htons(x)        (x)
64

    
65
#else        /* LITTLE_ENDIAN || !defined(__lint__) */
66

    
67
__BEGIN_DECLS
68
uint32_t htonl(uint32_t);
69
uint16_t htons(uint16_t);
70
uint32_t ntohl(uint32_t);
71
uint16_t ntohs(uint16_t);
72
__END_DECLS
73

    
74
#endif        /* LITTLE_ENDIAN || !defined(__lint__) */
75

    
76
#endif /* !_SYS_ENDIAN_H_ */