1/* $NetBSD: res_state.c,v 1.7.8.2 2009/01/10 21:39:02 christos Exp $ */ 2 3/*- 4 * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33#if defined(LIBC_SCCS) && !defined(lint) 34__RCSID("$NetBSD: res_state.c,v 1.7.8.2 2009/01/10 21:39:02 christos Exp $"); 35#endif 36 37#include <sys/types.h> 38#include <arpa/inet.h> 39#include <arpa/nameser.h> 40#include <netdb.h> 41#include <resolv.h> 42 43struct __res_state _nres 44# if defined(__BIND_RES_TEXT) 45 = { .retrans = RES_TIMEOUT, } /*%< Motorola, et al. */ 46# endif 47 ; 48 49res_state __res_get_state_nothread(void); 50void __res_put_state_nothread(res_state); 51 52#ifdef __weak_alias 53__weak_alias(__res_get_state, __res_get_state_nothread) 54__weak_alias(__res_put_state, __res_put_state_nothread) 55/* Source compatibility; only for single threaded programs */ 56__weak_alias(__res_state, __res_get_state_nothread) 57#endif 58 59res_state 60__res_get_state_nothread(void) 61{ 62 if ((_nres.options & RES_INIT) == 0 && res_ninit(&_nres) == -1) { 63 h_errno = NETDB_INTERNAL; 64 return NULL; 65 } 66 return &_nres; 67} 68 69void 70/*ARGSUSED*/ 71__res_put_state_nothread(res_state res) 72{ 73} 74