2 * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 * 4. 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.
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
29 * @(#)socket.h 8.4 (Berkeley) 2/21/94
33 #ifndef _SYS__SOCKADDR_STORAGE_H_
34 #define _SYS__SOCKADDR_STORAGE_H_
37 * RFC 2553: protocol-independent placeholder for socket addresses
39 #define _SS_MAXSIZE 128U
40 #define _SS_ALIGNSIZE (sizeof(__int64_t))
41 #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(unsigned char) - \
43 #define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(unsigned char) - \
44 sizeof(sa_family_t) - _SS_PAD1SIZE - _SS_ALIGNSIZE)
46 struct sockaddr_storage {
47 unsigned char ss_len; /* address length */
48 sa_family_t ss_family; /* address family */
49 char __ss_pad1[_SS_PAD1SIZE];
50 __int64_t __ss_align; /* force desired struct alignment */
51 char __ss_pad2[_SS_PAD2SIZE];
54 #endif /* !_SYS__SOCKADDR_STORAGE_H_ */