| /* |
| * 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. |
| */ |
| |
| /* $Id: addrinfo.h,v 1.1 2002-08-01 08:33:05 risso Exp $ */ |
| |
| #ifndef HAVE_ADDRINFO |
| |
| /* |
| * 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 |
| |
| /* internal error */ |
| #define NETDB_INTERNAL -1 /* see errno */ |
| |
| /* |
| * 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 */ |
| /* valid flags for addrinfo */ |
| #define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST) |
| |
| #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) |
| |
| 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 */ |
| }; |
| |
| extern void freeaddrinfo (struct addrinfo *); |
| extern void freehostent (struct hostent *); |
| extern char *gai_strerror (int); |
| extern int getaddrinfo (const char *, const char *, |
| const struct addrinfo *, struct addrinfo **); |
| extern int getnameinfo (const struct sockaddr *, size_t, char *, |
| size_t, char *, size_t, int); |
| extern struct hostent *getipnodebyaddr (const void *, size_t, int, int *); |
| extern struct hostent *getipnodebyname (const char *, int, int, int *); |
| extern int inet_pton (int, const char *, void *); |
| extern const char *inet_ntop (int, const void *, char *, size_t); |
| #else |
| |
| #ifndef EAI_BADHINTS |
| #define EAI_BADHINTS 12 |
| #endif |
| |
| #ifndef EAI_PROTOCOL |
| #define EAI_PROTOCOL 13 |
| #endif |
| |
| #ifndef EAI_MAX |
| #define EAI_MAX 14 |
| #endif |
| |
| #ifndef NETDB_INTERNAL |
| #define NETDB_INTERNAL -1 /* see errno */ |
| #endif |
| |
| #ifndef AI_MASK |
| /* valid flags for addrinfo */ |
| #define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST) |
| #endif |
| |
| #endif /* HAVE_ADDRINFO */ |
| |
| /* |
| * Constants for getnameinfo() |
| */ |
| #ifndef NI_MAXHOST |
| #define NI_MAXHOST 1025 |
| #endif |
| #ifndef NI_MAXSERV |
| #define NI_MAXSERV 32 |
| #endif |
| |
| /* |
| * Flag values for getnameinfo() |
| */ |
| #ifndef NI_NOFQDN |
| #define NI_NOFQDN 0x00000001 |
| #endif |
| #ifndef NI_NUMERICHOST |
| #define NI_NUMERICHOST 0x00000002 |
| #endif |
| #ifndef NI_NAMEREQD |
| #define NI_NAMEREQD 0x00000004 |
| #endif |
| #ifndef NI_NUMERICSERV |
| #define NI_NUMERICSERV 0x00000008 |
| #endif |
| #ifndef NI_DGRAM |
| #define NI_DGRAM 0x00000010 |
| #endif |
| |