/* $NetBSD: res_state.c,v 1.8 2009/01/11 02:46:29 christos Exp $ */ /*- * Copyright (c) 2004 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Christos Zoulas. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ #include <sys/cdefs.h> #if defined(LIBC_SCCS) && !defined(lint) __RCSID("$NetBSD: res_state.c,v 1.8 2009/01/11 02:46:29 christos Exp $"); #endif #include <sys/types.h> #include <arpa/inet.h> #include <arpa/nameser.h> #include <netdb.h> #include <resolv.h> struct __res_state _nres # if defined(__BIND_RES_TEXT) = { .retrans = RES_TIMEOUT, } /*%< Motorola, et al. */ # endif ; res_state __res_get_state_nothread(void); void __res_put_state_nothread(res_state); #ifdef __weak_alias __weak_alias(__res_get_state, __res_get_state_nothread) __weak_alias(__res_put_state, __res_put_state_nothread) /* Source compatibility; only for single threaded programs */ __weak_alias(__res_state, __res_get_state_nothread) #endif res_state __res_get_state_nothread(void) { if ((_nres.options & RES_INIT) == 0 && res_ninit(&_nres) == -1) { h_errno = NETDB_INTERNAL; return NULL; } return &_nres; } void /*ARGSUSED*/ __res_put_state_nothread(res_state res) { } |