common/sys/un.h

/*
 * 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]
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/*
 * Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
 */

/*  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_UN_H
#define _SYS_UN_H

#ifdef  __cplusplus
extern "C" {
#endif

#ifndef _SA_FAMILY_T
#define _SA_FAMILY_T
typedef unsigned short sa_family_t;
#endif

/*
 * Definitions for UNIX IPC domain.
 */
struct  sockaddr_un {
    sa_family_t sun_family;     /* AF_UNIX */
    char        sun_path[108];      /* path name (gag) */
};

#if (!defined(_XOPEN_SOURCE) && !defined(_POSIX_C_SOURCE)) || \
    defined(__EXTENSIONS__)
/*
 * NOTE: If we ever go to BSD-style sun_len + sun_family, this macro needs to
 * change.
 *
 * Also, include a strlen() prototype, and we have to protect it w.r.t.
 * UNIX{98,03}.  And because there's strlen, we need size_t as well.
 */
#if !defined(_SIZE_T) || __cplusplus >= 199711L
#define _SIZE_T
#if defined(_LP64) || defined(_I32LPx)
typedef unsigned long   size_t;     /* size of something in bytes */
#else
typedef unsigned int    size_t;     /* (historical version) */
#endif
#endif  /* _SIZE_T */

extern size_t strlen(const char *);

#define SUN_LEN(su) (sizeof (sa_family_t) + strlen((su)->sun_path))

#endif  /* (!defined(_XOPEN_SOURCE) && !defined(_POSIX_C_SOURCE)) || ... */

#ifdef _KERNEL
int unp_discard();
#endif

#ifdef  __cplusplus
}
#endif

#endif /* _SYS_UN_H */