1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#ifndef _SYS_BYTEORDER_H
#define _SYS_BYTEORDER_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/isa_defs.h>
#include <sys/int_types.h>
#if defined(__GNUC__) && defined(_ASM_INLINES) && \
(defined(__i386) || defined(__amd64))
#include <asm/byteorder.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* macros for conversion between host and (internet) network byte order
*/
#if defined(_BIG_ENDIAN) && !defined(ntohl) && !defined(__lint)
/* big-endian */
#define ntohl(x) (x)
#define ntohs(x) (x)
#define htonl(x) (x)
#define htons(x) (x)
#elif !defined(ntohl) /* little-endian */
#ifndef _IN_PORT_T
#define _IN_PORT_T
typedef uint16_t in_port_t;
#endif
#ifndef _IN_ADDR_T
#define _IN_ADDR_T
typedef uint32_t in_addr_t;
#endif
#if !defined(_XPG4_2) || defined(__EXTENSIONS__) || defined(_XPG5)
extern uint32_t htonl(uint32_t);
extern uint16_t htons(uint16_t);
extern uint32_t ntohl(uint32_t);
extern uint16_t ntohs(uint16_t);
#else
extern in_addr_t htonl(in_addr_t);
extern in_port_t htons(in_port_t);
extern in_addr_t ntohl(in_addr_t);
extern in_port_t ntohs(in_port_t);
#endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) || defined(_XPG5) */
#endif
#if !defined(_XPG4_2) || defined(__EXTENSIONS__)
/*
* Macros to reverse byte order
*/
#define BSWAP_8(x) ((x) & 0xff)
#define BSWAP_16(x) ((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
#define BSWAP_32(x) ((BSWAP_16(x) << 16) | BSWAP_16((x) >> 16))
#define BSWAP_64(x) ((BSWAP_32(x) << 32) | BSWAP_32((x) >> 32))
#define BMASK_8(x) ((x) & 0xff)
#define BMASK_16(x) ((x) & 0xffff)
#define BMASK_32(x) ((x) & 0xffffffff)
#define BMASK_64(x) (x)
/*
* Macros to convert from a specific byte order to/from native byte order
*/
#ifdef _BIG_ENDIAN
#define BE_8(x) BMASK_8(x)
#define BE_16(x) BMASK_16(x)
#define BE_32(x) BMASK_32(x)
#define BE_64(x) BMASK_64(x)
#define LE_8(x) BSWAP_8(x)
#define LE_16(x) BSWAP_16(x)
#define LE_32(x) BSWAP_32(x)
#define LE_64(x) BSWAP_64(x)
#else
#define LE_8(x) BMASK_8(x)
#define LE_16(x) BMASK_16(x)
#define LE_32(x) BMASK_32(x)
#define LE_64(x) BMASK_64(x)
#define BE_8(x) BSWAP_8(x)
#define BE_16(x) BSWAP_16(x)
#define BE_32(x) BSWAP_32(x)
#define BE_64(x) BSWAP_64(x)
#endif
#endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_BYTEORDER_H */
|