Ruby 1.9.3p327(2012-11-10revision37606)
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00001 /* 00002 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the project nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 */ 00029 00030 #ifndef ADDR_INFO_H 00031 #define ADDR_INFO_H 00032 00033 /* special compatibility hack */ 00034 #undef EAI_ADDRFAMILY 00035 #undef EAI_AGAIN 00036 #undef EAI_BADFLAGS 00037 #undef EAI_FAIL 00038 #undef EAI_FAMILY 00039 #undef EAI_MEMORY 00040 #undef EAI_NODATA 00041 #undef EAI_NONAME 00042 #undef EAI_SERVICE 00043 #undef EAI_SOCKTYPE 00044 #undef EAI_SYSTEM 00045 #undef EAI_BADHINTS 00046 #undef EAI_PROTOCOL 00047 #undef EAI_MAX 00048 00049 #undef AI_PASSIVE 00050 #undef AI_CANONNAME 00051 #undef AI_NUMERICHOST 00052 #undef AI_NUMERICSERV 00053 #undef AI_ALL 00054 #undef AI_ADDRCONFIG 00055 #undef AI_V4MAPPED 00056 #undef AI_DEFAULT 00057 00058 #undef NI_NOFQDN 00059 #undef NI_NUMERICHOST 00060 #undef NI_NAMEREQD 00061 #undef NI_NUMERICSERV 00062 #undef NI_DGRAM 00063 00064 #ifndef __P 00065 # ifdef HAVE_PROTOTYPES 00066 # define __P(args) args 00067 # else 00068 # define __P(args) () 00069 # endif 00070 #endif 00071 00072 /* special compatibility hack -- end*/ 00073 00074 00075 /* 00076 * Error return codes from getaddrinfo() 00077 */ 00078 #define EAI_ADDRFAMILY 1 /* address family for hostname not supported */ 00079 #define EAI_AGAIN 2 /* temporary failure in name resolution */ 00080 #define EAI_BADFLAGS 3 /* invalid value for ai_flags */ 00081 #define EAI_FAIL 4 /* non-recoverable failure in name resolution */ 00082 #define EAI_FAMILY 5 /* ai_family not supported */ 00083 #define EAI_MEMORY 6 /* memory allocation failure */ 00084 #define EAI_NODATA 7 /* no address associated with hostname */ 00085 #define EAI_NONAME 8 /* hostname nor servname provided, or not known */ 00086 #define EAI_SERVICE 9 /* servname not supported for ai_socktype */ 00087 #define EAI_SOCKTYPE 10 /* ai_socktype not supported */ 00088 #define EAI_SYSTEM 11 /* system error returned in errno */ 00089 #define EAI_BADHINTS 12 00090 #define EAI_PROTOCOL 13 00091 #define EAI_MAX 14 00092 00093 /* 00094 * Flag values for getaddrinfo() 00095 */ 00096 #define AI_PASSIVE 0x00000001 /* get address to use bind() */ 00097 #define AI_CANONNAME 0x00000002 /* fill ai_canonname */ 00098 #define AI_NUMERICHOST 0x00000004 /* prevent name resolution */ 00099 #define AI_NUMERICSERV 0x00000008 /* prevent service name resolution */ 00100 /* valid flags for addrinfo */ 00101 #ifndef __HAIKU__ 00102 #undef AI_MASK 00103 #define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_NUMERICSERV) 00104 #endif 00105 00106 #define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */ 00107 #define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */ 00108 #define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */ 00109 #define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */ 00110 /* special recommended flags for getipnodebyname */ 00111 #define AI_DEFAULT (AI_V4MAPPED_CFG | AI_ADDRCONFIG) 00112 00113 /* 00114 * Constants for getnameinfo() 00115 */ 00116 #ifndef NI_MAXHOST 00117 #define NI_MAXHOST 1025 00118 #define NI_MAXSERV 32 00119 #endif 00120 00121 /* 00122 * Flag values for getnameinfo() 00123 */ 00124 #define NI_NOFQDN 0x00000001 00125 #define NI_NUMERICHOST 0x00000002 00126 #define NI_NAMEREQD 0x00000004 00127 #define NI_NUMERICSERV 0x00000008 00128 #define NI_DGRAM 0x00000010 00129 00130 #ifndef HAVE_TYPE_STRUCT_ADDRINFO 00131 struct addrinfo { 00132 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ 00133 int ai_family; /* PF_xxx */ 00134 int ai_socktype; /* SOCK_xxx */ 00135 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ 00136 size_t ai_addrlen; /* length of ai_addr */ 00137 char *ai_canonname; /* canonical name for hostname */ 00138 struct sockaddr *ai_addr; /* binary address */ 00139 struct addrinfo *ai_next; /* next structure in linked list */ 00140 }; 00141 #endif 00142 00143 #ifndef HAVE_GETADDRINFO 00144 #undef getaddrinfo 00145 #define getaddrinfo getaddrinfo__compat 00146 #endif 00147 #ifndef HAVE_GETNAMEINFO 00148 #undef getnameinfo 00149 #define getnameinfo getnameinfo__compat 00150 #endif 00151 #ifndef HAVE_FREEHOSTENT 00152 #undef freehostent 00153 #define freehostent freehostent__compat 00154 #endif 00155 #ifndef HAVE_FREEADDRINFO 00156 #undef freeaddrinfo 00157 #define freeaddrinfo freeaddrinfo__compat 00158 #endif 00159 00160 extern int getaddrinfo __P(( 00161 const char *hostname, const char *servname, 00162 const struct addrinfo *hints, 00163 struct addrinfo **res)); 00164 00165 extern int getnameinfo __P(( 00166 const struct sockaddr *sa, 00167 socklen_t salen, 00168 char *host, 00169 socklen_t hostlen, 00170 char *serv, 00171 socklen_t servlen, 00172 int flags)); 00173 00174 extern void freehostent __P((struct hostent *)); 00175 extern void freeaddrinfo __P((struct addrinfo *)); 00176 extern 00177 #ifdef GAI_STRERROR_CONST 00178 const 00179 #endif 00180 char *gai_strerror __P((int)); 00181 00182 /* In case there is no definition of offsetof() provided - though any proper 00183 Standard C system should have one. */ 00184 00185 #ifndef offsetof 00186 #define offsetof(p_type,field) ((size_t)&(((p_type *)0)->field)) 00187 #endif 00188 00189 #endif 00190