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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 | * | |
29 | */ | |
30 | ||
31 | struct 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 | int rb_getaddrinfo(const char *hostname, const char *servname, | |
87 | const struct rb_addrinfo *hints, struct rb_addrinfo **res); | |
88 | void rb_freeaddrinfo(struct rb_addrinfo *ai); | |
89 | ||
90 | #define SUCCESS 0 | |
91 | #define ANY 0 | |
92 | ||
93 | #undef EAI_ADDRFAMILY | |
94 | #undef EAI_AGAIN | |
95 | #undef EAI_BADFLAGS | |
96 | #undef EAI_FAIL | |
97 | #undef EAI_FAMILY | |
98 | #undef EAI_MEMORY | |
99 | #undef EAI_NODATA | |
100 | #undef EAI_NONAME | |
101 | #undef EAI_SERVICE | |
102 | #undef EAI_SOCKTYPE | |
103 | #undef EAI_SYSTEM | |
104 | #undef EAI_BADHINTS | |
105 | #undef EAI_PROTOCOL | |
106 | #undef EAI_MAX | |
107 | #undef AI_MASK | |
108 | ||
109 | #define EAI_ADDRFAMILY 1 /* address family for hostname not supported */ | |
110 | #define EAI_AGAIN 2 /* temporary failure in name resolution */ | |
111 | #define EAI_BADFLAGS 3 /* invalid value for ai_flags */ | |
112 | #define EAI_FAIL 4 /* non-recoverable failure in name resolution */ | |
113 | #define EAI_FAMILY 5 /* ai_family not supported */ | |
114 | #define EAI_MEMORY 6 /* memory allocation failure */ | |
115 | #define EAI_NODATA 7 /* no address associated with hostname */ | |
116 | #define EAI_NONAME 8 /* hostname nor servname provided, or not known */ | |
117 | #define EAI_SERVICE 9 /* servname not supported for ai_socktype */ | |
118 | #define EAI_SOCKTYPE 10 /* ai_socktype not supported */ | |
119 | #define EAI_SYSTEM 11 /* system error returned in errno */ | |
120 | #define EAI_BADHINTS 12 | |
121 | #define EAI_PROTOCOL 13 | |
122 | #define EAI_MAX 14 | |
123 | #define AI_MASK (AI_PASSIVE | AI_NUMERICHOST) |