1135446Strhodes/* 2193149Sdougb * Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC") 3135446Strhodes * Copyright (C) 2001 Internet Software Consortium. 4135446Strhodes * 5193149Sdougb * Permission to use, copy, modify, and/or distribute this software for any 6135446Strhodes * purpose with or without fee is hereby granted, provided that the above 7135446Strhodes * copyright notice and this permission notice appear in all copies. 8135446Strhodes * 9135446Strhodes * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10135446Strhodes * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11135446Strhodes * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12135446Strhodes * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13135446Strhodes * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14135446Strhodes * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15135446Strhodes * PERFORMANCE OF THIS SOFTWARE. 16135446Strhodes */ 17135446Strhodes 18234010Sdougb/* $Id: getaddresses.h,v 1.11 2009/01/17 23:47:42 tbox Exp $ */ 19135446Strhodes 20135446Strhodes#ifndef BIND9_GETADDRESSES_H 21135446Strhodes#define BIND9_GETADDRESSES_H 1 22135446Strhodes 23193149Sdougb/*! \file bind9/getaddresses.h */ 24170222Sdougb 25135446Strhodes#include <isc/lang.h> 26135446Strhodes#include <isc/types.h> 27135446Strhodes 28135446Strhodes#include <isc/net.h> 29135446Strhodes 30135446StrhodesISC_LANG_BEGINDECLS 31135446Strhodes 32135446Strhodesisc_result_t 33135446Strhodesbind9_getaddresses(const char *hostname, in_port_t port, 34135446Strhodes isc_sockaddr_t *addrs, int addrsize, int *addrcount); 35170222Sdougb/*%< 36135446Strhodes * Use the system resolver to get the addresses associated with a hostname. 37135446Strhodes * If successful, the number of addresses found is returned in 'addrcount'. 38135446Strhodes * If a hostname lookup is performed and addresses of an unknown family is 39135446Strhodes * seen, it is ignored. If more than 'addrsize' addresses are seen, the 40135446Strhodes * first 'addrsize' are returned and the remainder silently truncated. 41135446Strhodes * 42135446Strhodes * This routine may block. If called by a program using the isc_app 43193149Sdougb * framework, it should be surrounded by isc_app_block()/isc_app_unblock(). 44135446Strhodes * 45135446Strhodes * Requires: 46170222Sdougb *\li 'hostname' is not NULL. 47170222Sdougb *\li 'addrs' is not NULL. 48170222Sdougb *\li 'addrsize' > 0 49170222Sdougb *\li 'addrcount' is not NULL. 50135446Strhodes * 51193149Sdougb * 52135446Strhodes * Returns: 53170222Sdougb *\li #ISC_R_SUCCESS 54170222Sdougb *\li #ISC_R_NOTFOUND 55170222Sdougb *\li #ISC_R_NOFAMILYSUPPORT - 'hostname' is an IPv6 address, and IPv6 is 56135446Strhodes * not supported. 57135446Strhodes */ 58135446Strhodes 59135446StrhodesISC_LANG_ENDDECLS 60135446Strhodes 61135446Strhodes#endif /* BIND9_GETADDRESSES_H */ 62