xref: /freebsd/contrib/ntp/sntp/libevent/ipv6-internal.h (revision 93e779a26c651610ac6e7986d67ecc9ed2cadcbf)
1 /*
2  * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  * 3. The name of the author may not be used to endorse or promote products
13  *    derived from this software without specific prior written permission.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 /* Internal use only: Fake IPv6 structures and values on platforms that
28  * do not have them */
29 
30 #ifndef IPV6_INTERNAL_H_INCLUDED_
31 #define IPV6_INTERNAL_H_INCLUDED_
32 
33 #include "event2/event-config.h"
34 #include "evconfig-private.h"
35 
36 #include <sys/types.h>
37 #ifdef EVENT__HAVE_SYS_SOCKET_H
38 #include <sys/socket.h>
39 #endif
40 #include "event2/util.h"
41 
42 #ifdef __cplusplus
43 extern "C" {
44 #endif
45 
46 /** @file ipv6-internal.h
47  *
48  * Replacement types and functions for platforms that don't support ipv6
49  * properly.
50  */
51 
52 #ifndef EVENT__HAVE_STRUCT_IN6_ADDR
53 struct in6_addr {
54 	ev_uint8_t s6_addr[16];
55 };
56 #endif
57 
58 #ifndef EVENT__HAVE_SA_FAMILY_T
59 typedef int sa_family_t;
60 #endif
61 
62 #ifndef EVENT__HAVE_STRUCT_SOCKADDR_IN6
63 struct sockaddr_in6 {
64 	/* This will fail if we find a struct sockaddr that doesn't have
65 	 * sa_family as the first element. */
66 	sa_family_t sin6_family;
67 	ev_uint16_t sin6_port;
68 	struct in6_addr sin6_addr;
69 };
70 #endif
71 
72 #ifndef AF_INET6
73 #define AF_INET6 3333
74 #endif
75 #ifndef PF_INET6
76 #define PF_INET6 AF_INET6
77 #endif
78 
79 #ifdef __cplusplus
80 }
81 #endif
82 
83 #endif
84