/ext/socket/addrinfo.h
C Header | 189 lines | 123 code | 20 blank | 46 comment | 0 complexity | aac391ff4bb0a5e5a0a3f22b519c49ca MD5 | raw file
Possible License(s): GPL-2.0, BSD-3-Clause, AGPL-3.0
- /*
- * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- #ifndef ADDR_INFO_H
- #define ADDR_INFO_H
- /* special compatibility hack */
- #undef EAI_ADDRFAMILY
- #undef EAI_AGAIN
- #undef EAI_BADFLAGS
- #undef EAI_FAIL
- #undef EAI_FAMILY
- #undef EAI_MEMORY
- #undef EAI_NODATA
- #undef EAI_NONAME
- #undef EAI_SERVICE
- #undef EAI_SOCKTYPE
- #undef EAI_SYSTEM
- #undef EAI_BADHINTS
- #undef EAI_PROTOCOL
- #undef EAI_MAX
- #undef AI_PASSIVE
- #undef AI_CANONNAME
- #undef AI_NUMERICHOST
- #undef AI_NUMERICSERV
- #undef AI_ALL
- #undef AI_ADDRCONFIG
- #undef AI_V4MAPPED
- #undef AI_DEFAULT
- #undef NI_NOFQDN
- #undef NI_NUMERICHOST
- #undef NI_NAMEREQD
- #undef NI_NUMERICSERV
- #undef NI_DGRAM
- #ifndef __P
- # ifdef HAVE_PROTOTYPES
- # define __P(args) args
- # else
- # define __P(args) ()
- # endif
- #endif
- /* special compatibility hack -- end*/
- /*
- * Error return codes from getaddrinfo()
- */
- #define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
- #define EAI_AGAIN 2 /* temporary failure in name resolution */
- #define EAI_BADFLAGS 3 /* invalid value for ai_flags */
- #define EAI_FAIL 4 /* non-recoverable failure in name resolution */
- #define EAI_FAMILY 5 /* ai_family not supported */
- #define EAI_MEMORY 6 /* memory allocation failure */
- #define EAI_NODATA 7 /* no address associated with hostname */
- #define EAI_NONAME 8 /* hostname nor servname provided, or not known */
- #define EAI_SERVICE 9 /* servname not supported for ai_socktype */
- #define EAI_SOCKTYPE 10 /* ai_socktype not supported */
- #define EAI_SYSTEM 11 /* system error returned in errno */
- #define EAI_BADHINTS 12
- #define EAI_PROTOCOL 13
- #define EAI_MAX 14
- /*
- * Flag values for getaddrinfo()
- */
- #define AI_PASSIVE 0x00000001 /* get address to use bind() */
- #define AI_CANONNAME 0x00000002 /* fill ai_canonname */
- #define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
- #define AI_NUMERICSERV 0x00000008 /* prevent service name resolution */
- /* valid flags for addrinfo */
- #ifndef __HAIKU__
- #undef AI_MASK
- #define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_NUMERICSERV)
- #endif
- #define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
- #define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */
- #define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
- #define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */
- /* special recommended flags for getipnodebyname */
- #define AI_DEFAULT (AI_V4MAPPED_CFG | AI_ADDRCONFIG)
- /*
- * Constants for getnameinfo()
- */
- #ifndef NI_MAXHOST
- #define NI_MAXHOST 1025
- #define NI_MAXSERV 32
- #endif
- /*
- * Flag values for getnameinfo()
- */
- #define NI_NOFQDN 0x00000001
- #define NI_NUMERICHOST 0x00000002
- #define NI_NAMEREQD 0x00000004
- #define NI_NUMERICSERV 0x00000008
- #define NI_DGRAM 0x00000010
- #ifndef HAVE_TYPE_STRUCT_ADDRINFO
- struct addrinfo {
- int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
- int ai_family; /* PF_xxx */
- int ai_socktype; /* SOCK_xxx */
- int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
- size_t ai_addrlen; /* length of ai_addr */
- char *ai_canonname; /* canonical name for hostname */
- struct sockaddr *ai_addr; /* binary address */
- struct addrinfo *ai_next; /* next structure in linked list */
- };
- #endif
- #ifndef HAVE_GETADDRINFO
- #undef getaddrinfo
- #define getaddrinfo getaddrinfo__compat
- #endif
- #ifndef HAVE_GETNAMEINFO
- #undef getnameinfo
- #define getnameinfo getnameinfo__compat
- #endif
- #ifndef HAVE_FREEHOSTENT
- #undef freehostent
- #define freehostent freehostent__compat
- #endif
- #ifndef HAVE_FREEADDRINFO
- #undef freeaddrinfo
- #define freeaddrinfo freeaddrinfo__compat
- #endif
- extern int getaddrinfo __P((
- const char *hostname, const char *servname,
- const struct addrinfo *hints,
- struct addrinfo **res));
- extern int getnameinfo __P((
- const struct sockaddr *sa,
- socklen_t salen,
- char *host,
- socklen_t hostlen,
- char *serv,
- socklen_t servlen,
- int flags));
- extern void freehostent __P((struct hostent *));
- extern void freeaddrinfo __P((struct addrinfo *));
- extern
- #ifdef GAI_STRERROR_CONST
- const
- #endif
- char *gai_strerror __P((int));
- /* In case there is no definition of offsetof() provided - though any proper
- Standard C system should have one. */
- #ifndef offsetof
- #define offsetof(p_type,field) ((size_t)&(((p_type *)0)->field))
- #endif
- #endif