2015-05-31 21:56:05 +00:00
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/*
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* Copyright (c) 2001, 02 Motoyuki Kasahara
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef GETADDRINFO_H
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#define GETADDRINFO_H
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/types.h>
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#ifdef WIN32
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#include <time.h>
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#include <winsock2.h>
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#ifdef DO_IPV6
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#include <ws2tcpip.h>
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#endif /* DO_IPV6 */
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#include <windows.h>
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#else
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#include <sys/socket.h>
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#include <netdb.h>
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#endif
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#ifdef __GNO__
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typedef int socklen_t;
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typedef unsigned short in_port_t;
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2015-05-31 22:57:31 +00:00
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/* GNO calls actually expect an older form of "struct sockaddr",
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* different from the "struct sockaddr" defined in the headers. */
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# define sockaddr __SOCKADDR
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2015-05-31 21:56:05 +00:00
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#endif
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/********************************************************************/
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/*
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* Undefine all the macros.
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* <netdb.h> might defines some of them.
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*/
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#ifdef EAI_ADDRFAMILY
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#undef EAI_ADDRFAMILY
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#endif
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#ifdef EAI_AGAIN
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#undef EAI_AGAIN
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#endif
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#ifdef EAI_BADFLAGS
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#undef EAI_BADFLAGS
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#endif
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#ifdef EAI_FAIL
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#undef EAI_FAIL
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#endif
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#ifdef EAI_FAMILY
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#undef EAI_FAMILY
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#endif
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#ifdef EAI_MEMORY
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#undef EAI_MEMORY
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#endif
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#ifdef EAI_NONAME
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#undef EAI_NONAME
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#endif
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#ifdef EAI_OVERFLOW
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#undef EAI_OVERFLOW
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#endif
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#ifdef EAI_SERVICE
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#undef EAI_SERVICE
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#endif
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#ifdef EAI_SOCKTYPE
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#undef EAI_SOCKTYPE
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#endif
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#ifdef EAI_SYSTEM
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#undef EAI_SYSTEM
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#endif
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#ifdef AI_PASSIVE
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#undef AI_PASSIVE
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#endif
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#ifdef AI_CANONNAME
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#undef AI_CANONNAME
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#endif
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#ifdef AI_NUMERICHOST
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#undef AI_NUMERICHOST
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#endif
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#ifdef AI_NUMERICSERV
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#undef AI_NUMERICSERV
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#endif
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#ifdef AI_V4MAPPED
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#undef AI_V4MAPPED
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#endif
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#ifdef AI_ALL
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#undef AI_ALL
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#endif
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#ifdef AI_ADDRCONFIG
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#undef AI_ADDRCONFIG
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#endif
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#ifdef AI_DEFAULT
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#undef AI_DEFAULT
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#endif
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#ifdef NI_NOFQDN
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#undef NI_NOFQDN
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#endif
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#ifdef NI_NUMERICHOST
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#undef NI_NUMERICHOST
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#endif
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#ifdef NI_NAMEREQD
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#undef NI_NAMEREQD
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#endif
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#ifdef NI_NUMERICSERV
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#undef NI_NUMERICSERV
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#endif
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#ifdef NI_NUMERICSCOPE
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#undef NI_NUMERICSCOPE
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#endif
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#ifdef NI_DGRAM
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#undef NI_DGRAM
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#endif
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#ifdef NI_MAXHOST
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#undef NI_MAXHOST
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#endif
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#ifdef NI_MAXSERV
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#undef NI_MAXSERV
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#endif
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/*
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* Fake struct and function names.
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* <netdb.h> might declares all or some of them.
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*/
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#if defined(HAVE_GETADDRINFO) || defined(HAVE_GETNAMEINFO)
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#define addrinfo my_addrinfo
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#define gai_strerror my_gai_strerror
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#define freeaddrinfo my_freeaddrinfo
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#define getaddrinfo my_getaddrinfo
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#define getnameinfo my_getnameinfo
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#endif
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/********************************************************************/
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/*
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* Error codes.
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*/
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#define EAI_ADDRFAMILY 1
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#define EAI_AGAIN 2
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#define EAI_BADFLAGS 3
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#define EAI_FAIL 4
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#define EAI_FAMILY 5
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#define EAI_MEMORY 6
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#define EAI_NONAME 7
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#define EAI_OVERFLOW 8
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#define EAI_SERVICE 9
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#define EAI_SOCKTYPE 10
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#define EAI_SYSTEM 11
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/*
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* Flags for getaddrinfo().
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*/
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#define AI_ADDRCONFIG 0x0001
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#define AI_ALL 0x0002
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#define AI_CANONNAME 0x0004
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#define AI_NUMERICHOST 0x0008
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#define AI_NUMERICSERV 0x0010
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#define AI_PASSIVE 0x0020
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#define AI_V4MAPPED 0x0040
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#define AI_DEFAULT (AI_V4MAPPED | AI_ADDRCONFIG)
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/*
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* Flags for getnameinfo().
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*/
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#define NI_DGRAM 0x0001
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#define NI_NAMEREQD 0x0002
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#define NI_NOFQDN 0x0004
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#define NI_NUMERICHOST 0x0008
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#define NI_NUMERICSCOPE 0x0010
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#define NI_NUMERICSERV 0x0020
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/*
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* Maximum length of FQDN and servie name for getnameinfo().
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*/
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#define NI_MAXHOST 1025
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#define NI_MAXSERV 32
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/*
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* Address families and Protocol families.
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*/
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#ifndef AF_UNSPEC
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#define AF_UNSPEC AF_INET
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#endif
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#ifndef PF_UNSPEC
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#define PF_UNSPEC PF_INET
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#endif
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/*
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* struct addrinfo.
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*/
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struct addrinfo {
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int ai_flags;
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int ai_family;
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int ai_socktype;
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int ai_protocol;
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socklen_t ai_addrlen;
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char *ai_canonname;
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struct sockaddr *ai_addr;
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struct addrinfo *ai_next;
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};
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/*
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* Functions.
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*/
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#ifdef __STDC__
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const char *gai_strerror(int);
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void freeaddrinfo(struct addrinfo *);
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int getaddrinfo(const char *, const char *, const struct addrinfo *,
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struct addrinfo **);
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int getnameinfo(const struct sockaddr *, socklen_t, char *,
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socklen_t, char *, socklen_t, int);
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#else
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const char *gai_strerror();
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void freeaddrinfo();
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int getaddrinfo();
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int getnameinfo();
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#endif
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#endif /* not GETADDRINFO_H */
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