/src/getaddrinfo.h
C Header | 282 lines | 201 code | 24 blank | 57 comment | 2 complexity | 1a60b9887ebbf22ca0056ebe2e58b188 MD5 | raw file
- /*
- * 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 */