1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25/*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
26/*	  All Rights Reserved  	*/
27
28/*
29 * University Copyright- Copyright (c) 1982, 1986, 1988
30 * The Regents of the University of California
31 * All Rights Reserved
32 *
33 * University Acknowledgment- Portions of this document are derived from
34 * software developed by the University of California, Berkeley, and its
35 * contributors.
36 */
37
38#ifndef	_SYS_UN_H
39#define	_SYS_UN_H
40
41#ifdef	__cplusplus
42extern "C" {
43#endif
44
45#ifndef _SA_FAMILY_T
46#define	_SA_FAMILY_T
47typedef	unsigned short sa_family_t;
48#endif
49
50/*
51 * Definitions for UNIX IPC domain.
52 */
53struct	sockaddr_un {
54	sa_family_t	sun_family;		/* AF_UNIX */
55	char		sun_path[108];		/* path name (gag) */
56};
57
58#if (!defined(_XOPEN_SOURCE) && !defined(_POSIX_C_SOURCE)) || \
59    defined(__EXTENSIONS__)
60/*
61 * NOTE: If we ever go to BSD-style sun_len + sun_family, this macro needs to
62 * change.
63 *
64 * Also, include a strlen() prototype, and we have to protect it w.r.t.
65 * UNIX{98,03}.  And because there's strlen, we need size_t as well.
66 */
67#if !defined(_SIZE_T) || __cplusplus >= 199711L
68#define	_SIZE_T
69#if defined(_LP64) || defined(_I32LPx)
70typedef	unsigned long	size_t;		/* size of something in bytes */
71#else
72typedef	unsigned int	size_t;		/* (historical version) */
73#endif
74#endif	/* _SIZE_T */
75
76extern size_t strlen(const char *);
77
78#define	SUN_LEN(su)	(sizeof (sa_family_t) + strlen((su)->sun_path))
79
80#endif	/* (!defined(_XOPEN_SOURCE) && !defined(_POSIX_C_SOURCE)) || ... */
81
82#ifdef _KERNEL
83int	unp_discard();
84#endif
85
86#ifdef	__cplusplus
87}
88#endif
89
90#endif /* _SYS_UN_H */
91