diff options
Diffstat (limited to 'gl/getaddrinfo.h')
-rw-r--r-- | gl/getaddrinfo.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/gl/getaddrinfo.h b/gl/getaddrinfo.h new file mode 100644 index 0000000..b4ef242 --- /dev/null +++ b/gl/getaddrinfo.h | |||
@@ -0,0 +1,155 @@ | |||
1 | /* Get address information. | ||
2 | Copyright (C) 1996-2002, 2003, 2004, 2005, 2006 | ||
3 | Free Software Foundation, Inc. | ||
4 | Contributed by Simon Josefsson <simon@josefsson.org>. | ||
5 | |||
6 | This program is free software; you can redistribute it and/or modify | ||
7 | it under the terms of the GNU General Public License as published by | ||
8 | the Free Software Foundation; either version 2, or (at your option) | ||
9 | any later version. | ||
10 | |||
11 | This program is distributed in the hope that it will be useful, | ||
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | GNU General Public License for more details. | ||
15 | |||
16 | You should have received a copy of the GNU General Public License | ||
17 | along with this program; if not, write to the Free Software Foundation, | ||
18 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ | ||
19 | |||
20 | #ifndef GETADDRINFO_H | ||
21 | #define GETADDRINFO_H | ||
22 | |||
23 | /* sys/socket.h in i386-unknown-freebsd4.10 and | ||
24 | powerpc-apple-darwin5.5 require sys/types.h, so include it first. | ||
25 | Then we'll also get 'socklen_t' and 'struct sockaddr' which are | ||
26 | used below. */ | ||
27 | #include <sys/types.h> | ||
28 | /* Get all getaddrinfo related declarations, if available. */ | ||
29 | #include <sys/socket.h> | ||
30 | #ifdef HAVE_NETDB_H | ||
31 | # include <netdb.h> | ||
32 | #endif | ||
33 | |||
34 | #ifndef HAVE_STRUCT_ADDRINFO | ||
35 | |||
36 | /* Structure to contain information about address of a service provider. */ | ||
37 | struct addrinfo | ||
38 | { | ||
39 | int ai_flags; /* Input flags. */ | ||
40 | int ai_family; /* Protocol family for socket. */ | ||
41 | int ai_socktype; /* Socket type. */ | ||
42 | int ai_protocol; /* Protocol for socket. */ | ||
43 | socklen_t ai_addrlen; /* Length of socket address. */ | ||
44 | struct sockaddr *ai_addr; /* Socket address for socket. */ | ||
45 | char *ai_canonname; /* Canonical name for service location. */ | ||
46 | struct addrinfo *ai_next; /* Pointer to next in list. */ | ||
47 | }; | ||
48 | #endif | ||
49 | |||
50 | /* Possible values for `ai_flags' field in `addrinfo' structure. */ | ||
51 | #ifndef AI_PASSIVE | ||
52 | # define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */ | ||
53 | #endif | ||
54 | #ifndef AI_CANONNAME | ||
55 | # define AI_CANONNAME 0x0002 /* Request for canonical name. */ | ||
56 | #endif | ||
57 | #ifndef AI_NUMERICSERV | ||
58 | # define AI_NUMERICSERV 0x0400 /* Don't use name resolution. */ | ||
59 | #endif | ||
60 | |||
61 | #if 0 | ||
62 | /* The commented out definitions below are not yet implemented in the | ||
63 | GNULIB getaddrinfo() replacement, so are not yet needed and may, in fact, | ||
64 | cause conflicts on systems with a getaddrinfo() function which does not | ||
65 | define them. | ||
66 | |||
67 | If they are restored, be sure to protect the definitions with #ifndef. */ | ||
68 | #define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */ | ||
69 | #define AI_V4MAPPED 0x0008 /* IPv4 mapped addresses are acceptable. */ | ||
70 | #define AI_ALL 0x0010 /* Return IPv4 mapped and IPv6 addresses. */ | ||
71 | #define AI_ADDRCONFIG 0x0020 /* Use configuration of this host to choose | ||
72 | returned address type.. */ | ||
73 | #endif /* 0 */ | ||
74 | |||
75 | /* Error values for `getaddrinfo' function. */ | ||
76 | #ifndef EAI_BADFLAGS | ||
77 | # define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field. */ | ||
78 | # define EAI_NONAME -2 /* NAME or SERVICE is unknown. */ | ||
79 | # define EAI_AGAIN -3 /* Temporary failure in name resolution. */ | ||
80 | # define EAI_FAIL -4 /* Non-recoverable failure in name res. */ | ||
81 | # define EAI_NODATA -5 /* No address associated with NAME. */ | ||
82 | # define EAI_FAMILY -6 /* `ai_family' not supported. */ | ||
83 | # define EAI_SOCKTYPE -7 /* `ai_socktype' not supported. */ | ||
84 | # define EAI_SERVICE -8 /* SERVICE not supported for `ai_socktype'. */ | ||
85 | # define EAI_MEMORY -10 /* Memory allocation failure. */ | ||
86 | #endif | ||
87 | #ifndef EAI_OVERFLOW | ||
88 | /* Not defined on mingw32. */ | ||
89 | # define EAI_OVERFLOW -12 /* Argument buffer overflow. */ | ||
90 | #endif | ||
91 | #ifndef EAI_ADDRFAMILY | ||
92 | /* Not defined on mingw32. */ | ||
93 | # define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */ | ||
94 | #endif | ||
95 | #ifndef EAI_SYSTEM | ||
96 | /* Not defined on mingw32. */ | ||
97 | # define EAI_SYSTEM -11 /* System error returned in `errno'. */ | ||
98 | #endif | ||
99 | |||
100 | #ifdef __USE_GNU | ||
101 | # ifndef EAI_INPROGRESS | ||
102 | # define EAI_INPROGRESS -100 /* Processing request in progress. */ | ||
103 | # define EAI_CANCELED -101 /* Request canceled. */ | ||
104 | # define EAI_NOTCANCELED -102 /* Request not canceled. */ | ||
105 | # define EAI_ALLDONE -103 /* All requests done. */ | ||
106 | # define EAI_INTR -104 /* Interrupted by a signal. */ | ||
107 | # define EAI_IDN_ENCODE -105 /* IDN encoding failed. */ | ||
108 | # endif | ||
109 | #endif | ||
110 | |||
111 | #if !HAVE_DECL_GETADDRINFO | ||
112 | /* Translate name of a service location and/or a service name to set of | ||
113 | socket addresses. | ||
114 | For more details, see the POSIX:2001 specification | ||
115 | <http://www.opengroup.org/susv3xsh/getaddrinfo.html>. */ | ||
116 | extern int getaddrinfo (const char *restrict nodename, | ||
117 | const char *restrict servname, | ||
118 | const struct addrinfo *restrict hints, | ||
119 | struct addrinfo **restrict res); | ||
120 | #endif | ||
121 | |||
122 | #if !HAVE_DECL_FREEADDRINFO | ||
123 | /* Free `addrinfo' structure AI including associated storage. | ||
124 | For more details, see the POSIX:2001 specification | ||
125 | <http://www.opengroup.org/susv3xsh/getaddrinfo.html>. */ | ||
126 | extern void freeaddrinfo (struct addrinfo *ai); | ||
127 | #endif | ||
128 | |||
129 | #if !HAVE_DECL_GAI_STRERROR | ||
130 | /* Convert error return from getaddrinfo() to a string. | ||
131 | For more details, see the POSIX:2001 specification | ||
132 | <http://www.opengroup.org/susv3xsh/gai_strerror.html>. */ | ||
133 | extern const char *gai_strerror (int ecode); | ||
134 | #endif | ||
135 | |||
136 | #if !HAVE_DECL_GETNAMEINFO | ||
137 | /* Convert socket address to printable node and service names. | ||
138 | For more details, see the POSIX:2001 specification | ||
139 | <http://www.opengroup.org/susv3xsh/getnameinfo.html>. */ | ||
140 | extern int getnameinfo(const struct sockaddr *restrict sa, socklen_t salen, | ||
141 | char *restrict node, socklen_t nodelen, | ||
142 | char *restrict service, socklen_t servicelen, | ||
143 | int flags); | ||
144 | |||
145 | #endif | ||
146 | |||
147 | /* Possible flags for getnameinfo. */ | ||
148 | #ifndef NI_NUMERICHOST | ||
149 | # define NI_NUMERICHOST 1 | ||
150 | #endif | ||
151 | #ifndef NI_NUMERICSERV | ||
152 | # define NI_NUMERICSERV 2 | ||
153 | #endif | ||
154 | |||
155 | #endif /* GETADDRINFO_H */ | ||