/lib/gnutls/gnutls-2.2.0/gl/getaddrinfo.h
C Header | 155 lines | 90 code | 15 blank | 50 comment | 0 complexity | 81627ba4e21246b3c54b6a2cb6fa91cc MD5 | raw file
Possible License(s): LGPL-2.1, BSD-3-Clause, MPL-2.0-no-copyleft-exception, LGPL-3.0, Unlicense, GPL-2.0, GPL-3.0, CC-BY-SA-3.0, AGPL-1.0, ISC, MIT, 0BSD, LGPL-2.0
- /* Get address information.
- Copyright (C) 1996-2002, 2003, 2004, 2005, 2006
- Free Software Foundation, Inc.
- Contributed by Simon Josefsson <simon@josefsson.org>.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
- #ifndef GETADDRINFO_H
- #define GETADDRINFO_H
- /* sys/socket.h in i386-unknown-freebsd4.10 and
- powerpc-apple-darwin5.5 require sys/types.h, so include it first.
- Then we'll also get 'socklen_t' and 'struct sockaddr' which are
- used below. */
- #include <sys/types.h>
- /* Get all getaddrinfo related declarations, if available. */
- #include <sys/socket.h>
- #ifdef HAVE_NETDB_H
- # include <netdb.h>
- #endif
- #ifndef HAVE_STRUCT_ADDRINFO
- /* Structure to contain information about address of a service provider. */
- struct addrinfo
- {
- int ai_flags; /* Input flags. */
- int ai_family; /* Protocol family for socket. */
- int ai_socktype; /* Socket type. */
- int ai_protocol; /* Protocol for socket. */
- socklen_t ai_addrlen; /* Length of socket address. */
- struct sockaddr *ai_addr; /* Socket address for socket. */
- char *ai_canonname; /* Canonical name for service location. */
- struct addrinfo *ai_next; /* Pointer to next in list. */
- };
- #endif
- /* Possible values for `ai_flags' field in `addrinfo' structure. */
- #ifndef AI_PASSIVE
- # define AI_PASSIVE 0x0001 /* Socket address is intended for `bind'. */
- #endif
- #ifndef AI_CANONNAME
- # define AI_CANONNAME 0x0002 /* Request for canonical name. */
- #endif
- #ifndef AI_NUMERICSERV
- # define AI_NUMERICSERV 0x0400 /* Don't use name resolution. */
- #endif
- #if 0
- /* The commented out definitions below are not yet implemented in the
- GNULIB getaddrinfo() replacement, so are not yet needed and may, in fact,
- cause conflicts on systems with a getaddrinfo() function which does not
- define them.
- If they are restored, be sure to protect the definitions with #ifndef. */
- #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.. */
- #endif /* 0 */
- /* Error values for `getaddrinfo' function. */
- #ifndef EAI_BADFLAGS
- # 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_MEMORY -10 /* Memory allocation failure. */
- #endif
- #ifndef EAI_OVERFLOW
- /* Not defined on mingw32. */
- # define EAI_OVERFLOW -12 /* Argument buffer overflow. */
- #endif
- #ifndef EAI_ADDRFAMILY
- /* Not defined on mingw32. */
- # define EAI_ADDRFAMILY -9 /* Address family for NAME not supported. */
- #endif
- #ifndef EAI_SYSTEM
- /* Not defined on mingw32. */
- # define EAI_SYSTEM -11 /* System error returned in `errno'. */
- #endif
- #ifdef __USE_GNU
- # ifndef EAI_INPROGRESS
- # 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
- #endif
- #if !HAVE_DECL_GETADDRINFO
- /* Translate name of a service location and/or a service name to set of
- socket addresses.
- For more details, see the POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/getaddrinfo.html>. */
- extern int getaddrinfo (const char *restrict nodename,
- const char *restrict servname,
- const struct addrinfo *restrict hints,
- struct addrinfo **restrict res);
- #endif
- #if !HAVE_DECL_FREEADDRINFO
- /* Free `addrinfo' structure AI including associated storage.
- For more details, see the POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/getaddrinfo.html>. */
- extern void freeaddrinfo (struct addrinfo *ai);
- #endif
- #if !HAVE_DECL_GAI_STRERROR
- /* Convert error return from getaddrinfo() to a string.
- For more details, see the POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/gai_strerror.html>. */
- extern const char *gai_strerror (int ecode);
- #endif
- #if !HAVE_DECL_GETNAMEINFO
- /* Convert socket address to printable node and service names.
- For more details, see the POSIX:2001 specification
- <http://www.opengroup.org/susv3xsh/getnameinfo.html>. */
- extern int getnameinfo(const struct sockaddr *restrict sa, socklen_t salen,
- char *restrict node, socklen_t nodelen,
- char *restrict service, socklen_t servicelen,
- int flags);
- #endif
- /* Possible flags for getnameinfo. */
- #ifndef NI_NUMERICHOST
- # define NI_NUMERICHOST 1
- #endif
- #ifndef NI_NUMERICSERV
- # define NI_NUMERICSERV 2
- #endif
- #endif /* GETADDRINFO_H */