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/*
* Copyright (c) 2001, 02 Motoyuki Kasahara
*
* 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 _D_GETADDRINFO_H
#define _D_GETADDRINFO_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifdef __MINGW32__
# undef SIZE_MAX
#endif // __MINGW32__
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif // HAVE_CONFIG_H
#ifdef __MINGW32__
# ifndef _WIN32_WINNT
# define _WIN32_WINNT 0x501
# endif // _WIN32_WINNT
# include <winsock2.h>
# undef ERROR
# include <ws2tcpip.h>
#endif // __MINGW32__
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif // HAVE_SYS_SOCKET_H
#ifdef HAVE_NETDB_H
# include <netdb.h>
#endif // HAVE_NETDB_H
#include <sys/types.h>
/********************************************************************/
/*
* Undefine all the macros.
* <netdb.h> might defines some of them.
*/
#ifdef EAI_ADDRFAMILY
#undef EAI_ADDRFAMILY
#endif
#ifdef EAI_AGAIN
#undef EAI_AGAIN
#endif
#ifdef EAI_BADFLAGS
#undef EAI_BADFLAGS
#endif
#ifdef EAI_FAIL
#undef EAI_FAIL
#endif
#ifdef EAI_FAMILY
#undef EAI_FAMILY
#endif
#ifdef EAI_MEMORY
#undef EAI_MEMORY
#endif
#ifdef EAI_NONAME
#undef EAI_NONAME
#endif
#ifdef EAI_OVERFLOW
#undef EAI_OVERFLOW
#endif
#ifdef EAI_SERVICE
#undef EAI_SERVICE
#endif
#ifdef EAI_SOCKTYPE
#undef EAI_SOCKTYPE
#endif
#ifdef EAI_SYSTEM
#undef EAI_SYSTEM
#endif
#ifdef AI_PASSIVE
#undef AI_PASSIVE
#endif
#ifdef AI_CANONNAME
#undef AI_CANONNAME
#endif
#ifdef AI_NUMERICHOST
#undef AI_NUMERICHOST
#endif
#ifdef AI_NUMERICSERV
#undef AI_NUMERICSERV
#endif
#ifdef AI_V4MAPPED
#undef AI_V4MAPPED
#endif
#ifdef AI_ALL
#undef AI_ALL
#endif
#ifdef AI_ADDRCONFIG
#undef AI_ADDRCONFIG
#endif
#ifdef AI_DEFAULT
#undef AI_DEFAULT
#endif
#ifdef NI_NOFQDN
#undef NI_NOFQDN
#endif
#ifdef NI_NUMERICHOST
#undef NI_NUMERICHOST
#endif
#ifdef NI_NAMEREQD
#undef NI_NAMEREQD
#endif
#ifdef NI_NUMERICSERV
#undef NI_NUMERICSERV
#endif
#ifdef NI_NUMERICSCOPE
#undef NI_NUMERICSCOPE
#endif
#ifdef NI_DGRAM
#undef NI_DGRAM
#endif
#ifdef NI_MAXHOST
#undef NI_MAXHOST
#endif
#ifdef NI_MAXSERV
#undef NI_MAXSERV
#endif
/*
* Fake struct and function names.
* <netdb.h> might declares all or some of them.
*/
#if defined(HAVE_GETADDRINFO) || defined(HAVE_GETNAMEINFO)
#define addrinfo my_addrinfo
#define gai_strerror my_gai_strerror
#define freeaddrinfo my_freeaddrinfo
#define getaddrinfo my_getaddrinfo
#define getnameinfo my_getnameinfo
#endif
/* <from linux's netdb.h> */
/* Possible values for `ai_flags' field in `addrinfo' structure. */
# define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */
# define AI_CANONNAME 0x0002 /* Request for canonical name. */
# define AI_NUMERICHOST 0x0004 /* Don't use name resolution. */
# define AI_V4MAPPED 0x0008 /* IPv4 mapped addresses are acceptable. */
# define AI_ALL 0x0010 /* Return IPv4 mapped and IPv6 addresses. */
# define AI_ADDRCONFIG 0x0020 /* Use configuration of this host to choose
returned address type.. */
# ifdef __USE_GNU
# define AI_IDN 0x0040 /* IDN encode input (assuming it is encoded
in the current locale's character set)
before looking it up. */
# define AI_CANONIDN 0x0080 /* Translate canonical name from IDN format. */
# define AI_IDN_ALLOW_UNASSIGNED 0x0100 /* Don't reject unassigned Unicode
code points. */
# define AI_IDN_USE_STD3_ASCII_RULES 0x0200 /* Validate strings according to
STD3 rules. */
# endif
# define AI_NUMERICSERV 0x0400 /* Don't use name resolution. */
/* Error values for `getaddrinfo' function. */
# define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field. */
# define EAI_NONAME -2 /* NAME or SERVICE is unknown. */
# define EAI_AGAIN -3 /* Temporary failure in name resolution. */
# define EAI_FAIL -4 /* Non-recoverable failure in name res. */
# define EAI_NODATA -5 /* No address associated with NAME. */
# define EAI_FAMILY -6 /* `ai_family' not supported. */
# define EAI_SOCKTYPE -7 /* `ai_socktype' not supported. */
# define EAI_SERVICE -8 /* SERVICE not supported for `ai_socktype'. */
# define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */
# define EAI_MEMORY -10 /* Memory allocation failure. */
# define EAI_SYSTEM -11 /* System error returned in `errno'. */
# define EAI_OVERFLOW -12 /* Argument buffer overflow. */
# ifdef __USE_GNU
# define EAI_INPROGRESS -100 /* Processing request in progress. */
# define EAI_CANCELED -101 /* Request canceled. */
# define EAI_NOTCANCELED -102 /* Request not canceled. */
# define EAI_ALLDONE -103 /* All requests done. */
# define EAI_INTR -104 /* Interrupted by a signal. */
# define EAI_IDN_ENCODE -105 /* IDN encoding failed. */
# endif
#define NI_MAXHOST 1025
#define NI_MAXSERV 32
# define NI_NUMERICHOST 1 /* Don't try to look up hostname. */
# define NI_NUMERICSERV 2 /* Don't convert port number to name. */
# define NI_NOFQDN 4 /* Only return nodename portion. */
# define NI_NAMEREQD 8 /* Don't return numeric addresses. */
# define NI_DGRAM 16 /* Look up UDP service rather than TCP. */
# ifdef __USE_GNU
# define NI_IDN 32 /* Convert name from IDN format. */
# define NI_IDN_ALLOW_UNASSIGNED 64 /* Don't reject unassigned Unicode
code points. */
# define NI_IDN_USE_STD3_ASCII_RULES 128 /* Validate strings according to
STD3 rules. */
# endif
/* </from linux's netdb.h> */
#define AI_DEFAULT (AI_V4MAPPED | AI_ADDRCONFIG)
/*
* Address families and Protocol families.
*/
#ifndef AF_UNSPEC
#define AF_UNSPEC AF_INET
#endif
#ifndef PF_UNSPEC
#define PF_UNSPEC PF_INET
#endif
/* Nexenta OS(GNU/Solaris OS) defines `struct addrinfo' in netdb.h */
#if !defined( __MINGW32__ ) && !defined( __sun )
/*
* struct addrinfo.
*/
struct addrinfo {
int ai_flags;
int ai_family;
int ai_socktype;
int ai_protocol;
socklen_t ai_addrlen;
char *ai_canonname;
struct sockaddr *ai_addr;
struct addrinfo *ai_next;
};
#endif // !__MINGW32__ && !__sun
/*
* Functions.
*/
#ifdef __STDC__
const char *gai_strerror(int);
void freeaddrinfo(struct addrinfo *);
int getaddrinfo(const char *, const char *, const struct addrinfo *,
struct addrinfo **);
int getnameinfo(const struct sockaddr *, socklen_t, char *,
socklen_t, char *, socklen_t, int);
#else
const char *gai_strerror();
void freeaddrinfo();
int getaddrinfo();
int getnameinfo();
#endif
#ifdef __cplusplus
};
#endif /* __cplusplus */
#endif /* not _D_GETADDRINFO_H */
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