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/*
Copyright (C) 2008 Andreas Baumann <abaumann@yahoo.com>
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 of the License, 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef WOLF_NETDB_H
#define WOLF_NETDB_H
/**
* @addtogroup wolf_port Porting
* @{
*/
/**
* @file netdb.h
* @brief POSIX getaddrinfo and getnameinfo
* @author Andreas Baumann <abaumann@yahoo.com>
*/
/*
* Based on ideas found in:
* - Postgres src/port/getaddrinfo.c
* Copyright (c) 2003-2008, PostgreSQL Global Development Group
* - Unix Stevens Network Programming
* libgai implementation in unpv12e
*/
#include "port/sys.h"
#ifdef FREEBSD
/* not sure about that */
#define __BSD_VISIBLE 0
#include <sys/socket.h> /* for AF_UNSPEC */
#include </usr/include/netinet/in.h> /* for IPPROTO_TCP */
#endif
#ifdef SUNOS
#if OS_MAJOR_VERSION == 5
#if OS_MINOR_VERSION >= 8 && OS_MINOR_VERSION <= 10
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#endif
#endif
#endif
#ifdef NETBSD
#include <sys/socket.h> /* for AF_UNDEF */
#include <netinet/in.h> /* for IPPROTO_TCP */
#endif
#ifdef OPENBSD
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h> /* for IPPROTO_TCP */
#endif
/* for all modern Unix systems */
#ifndef _WIN32
#include <netdb.h> /* for getaddrinfo, freeadrinfo,
struct getaddrinfo */
#endif
/* exists on Windows in slightly different form */
#ifdef _WIN32
#define WIN32_MEAN_AND_LEAN
#include <Winsock2.h> /* all kind of prerequisites */
#include <WS2tcpip.h> /* for getaddrinfo */
#endif
#ifndef NI_MAXHOST
#define NI_MAXHOST 1025
#endif
#ifndef NI_MAXSERV
#define NI_MAXSERV 32
#endif
#if !defined HAVE_GETADDRINFO || defined TEST_GETADDRINFO
#include <sys/types.h> /* for size_t */
#include <sys/socket.h> /* for AF_UNSPEC */
#include <arpa/inet.h> /* for TCPPROTO and others */
/* for errors returned by getaddrinfo */
#if !defined EAI_NONAME
#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 resultion */
#define EAI_FAMILY -6 /**< socket family not supported */
#define EAI_MEMORY -10 /**< memory allocation failure */
#endif
/* for ai_flags */
#if !defined AI_PASSIVE
#define AI_PASSIVE 1 /**< socket is intended for bind() + listen() */
#define AI_CANONNAME 2 /**< return canonical name */
#define AI_NUMERICHOST 4 /**< don't use name resolution */
#endif
/* for flags in getnameinfo */
#if !defined NI_NUMERICHOST
#define NI_NUMERICHOST 1 /**< don't try to look up hostname. */
#define NI_NUMERICSERV 2 /**< don't convert port number to name. */
#endif
struct wolf_port_addrinfo
{
int ai_flags;
int ai_family;
int ai_socktype;
int ai_protocol;
size_t ai_addrlen;
struct sockaddr *ai_addr;
char *ai_canonname;
struct wolf_port_addrinfo *ai_next;
};
int wolf_port_getaddrinfo( const char *host_name,
const char *service_name,
const struct wolf_port_addrinfo *hints,
struct wolf_port_addrinfo **result );
void wolf_port_freeaddrinfo( struct wolf_port_addrinfo *result );
int wolf_port_getnameinfo( const struct sockaddr *sa, socklen_t salen,
char *host, size_t hostlen,
char *serv, size_t servlen,
int flags );
const char *wolf_port_gai_strerror( int errcode );
#if !defined HAVE_GETADDRINFO
#define addrinfo wolf_port_addrinfo
#define getaddrinfo( host_name, service_name, hints, result ) wolf_port_getaddrinfo( host_name, service_name, hints, result )
#define freeaddrinfo( result ) wolf_port_freeaddrinfo( result )
#define getnameinfo( sa, salen, host, hostlen, serv, servlen, flags ) wolf_port_getnameinfo( sa, salen, host, hostlen, serv, servlen, flags )
#define gai_strerror( errcode ) wolf_port_gai_strerror( errcode )
#endif
#endif /* !defined HAVE_GETADDRINFO || defined TEST_GETADDRINFO */
/* gai_strerror is not thread-safe. Some platforms (like AIX 6.1) started to
* introduce a thread-safe version gai_strerror_r
*/
#if !defined HAVE_GAI_STRERROR_R || defined TEST_GAI_STRERROR_R
int wolf_port_gai_strerror_r( int errcode, char *buf, size_t buflen );
#if !defined HAVE_GAI_STRERROR_R
#define gai_strerror_r( errcode, buf, buflen ) wolf_port_gai_strerror_r( errcode, buf, buflen )
#endif /* !defined HAVE_GAI_STRERROR_R */
#endif /* !defined HAVE_GAI_STRERROR_R || defined TEST_GAI_STRERROR_R */
/** @} */ /* @addtogroup wolf_port */
#endif /* ifndef WOLF_NETDB_H */
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