]> jfr.im git - solanum.git/blame - authd/getaddrinfo.h
authd: provider: make refcounting system less fragile
[solanum.git] / authd / getaddrinfo.h
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1/*
2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 * 3. Neither the name of the project 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.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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
27 * SUCH DAMAGE.
28 *
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29 */
30
31struct rb_addrinfo {
32 int ai_flags;
33 int ai_family;
34 int ai_socktype;
35 int ai_protocol;
36 size_t ai_addrlen;
37 char *ai_canonname;
38 struct sockaddr *ai_addr;
39 struct rb_addrinfo *ai_next;
40};
41
42#ifndef AI_PASSIVE
43#define AI_PASSIVE 0x00000001 /* get address to use bind() */
44#endif /* AI_PASSIVE */
45
46#ifndef AI_NUMERICHOST
47#define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
48#endif /* AI_NUMERICHOST */
49
50#ifndef EAI_FAIL
51#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
52#endif /* EAI_FAIL */
53
54#ifndef EAI_FAMILY
55#define EAI_FAMILY 5 /* ai_family not supported */
56#endif /* EAI_FAMILY */
57
58#ifndef EAI_MEMORY
59#define EAI_MEMORY 6 /* memory allocation failure */
60#endif /* EAI_MEMORY */
61
62#ifndef EAI_NONAME
63#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
64#endif /* EAI_NONAME */
65
66#ifndef EAI_SYSTEM
67#define EAI_SYSTEM 11 /* system error returned in errno */
68#endif /* EAI_SYSTEM */
69
70#ifndef NI_NUMERICHOST
71#define NI_NUMERICHOST 0x00000002
72#endif /* NI_NUMERICHOST */
73
74#ifndef NI_NAMEREQD
75#define NI_NAMEREQD 0x00000004
76#endif /* NI_NAMEREQD */
77
78#ifndef NI_NUMERICSERV
79#define NI_NUMERICSERV 0x00000008
80#endif /* NI_NUMERICSERV */
81
82#ifndef NI_DGRAM
83#define NI_DGRAM 0x00000010
84#endif /* NI_DGRAM */
85
86#ifndef INADDR_NONE
87#define INADDR_NONE ((unsigned int) 0xffffffff)
88#endif /* INADDR_NONE */
89
90int rb_getaddrinfo(const char *hostname, const char *servname,
91 const struct rb_addrinfo *hints, struct rb_addrinfo **res);
92void rb_freeaddrinfo(struct rb_addrinfo *ai);
93
94#define SUCCESS 0
95#define ANY 0
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96
97#undef EAI_ADDRFAMILY
98#undef EAI_AGAIN
99#undef EAI_BADFLAGS
100#undef EAI_FAIL
101#undef EAI_FAMILY
102#undef EAI_MEMORY
103#undef EAI_NODATA
104#undef EAI_NONAME
105#undef EAI_SERVICE
106#undef EAI_SOCKTYPE
107#undef EAI_SYSTEM
108#undef EAI_BADHINTS
109#undef EAI_PROTOCOL
110#undef EAI_MAX
111#undef AI_MASK
112
113#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
114#define EAI_AGAIN 2 /* temporary failure in name resolution */
115#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
116#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
117#define EAI_FAMILY 5 /* ai_family not supported */
118#define EAI_MEMORY 6 /* memory allocation failure */
119#define EAI_NODATA 7 /* no address associated with hostname */
120#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
121#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
122#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
123#define EAI_SYSTEM 11 /* system error returned in errno */
124#define EAI_BADHINTS 12
125#define EAI_PROTOCOL 13
126#define EAI_MAX 14
127#define AI_MASK (AI_PASSIVE | AI_NUMERICHOST)