res_compat.c revision 1.2.8.2
1 1.2.8.2 martin /* $NetBSD: res_compat.c,v 1.2.8.2 2008/04/28 20:23:01 martin Exp $ */ 2 1.2.8.2 martin 3 1.2.8.2 martin /*- 4 1.2.8.2 martin * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 1.2.8.2 martin * All rights reserved. 6 1.2.8.2 martin * 7 1.2.8.2 martin * This code is derived from software contributed to The NetBSD Foundation 8 1.2.8.2 martin * by Christos Zoulas. 9 1.2.8.2 martin * 10 1.2.8.2 martin * Redistribution and use in source and binary forms, with or without 11 1.2.8.2 martin * modification, are permitted provided that the following conditions 12 1.2.8.2 martin * are met: 13 1.2.8.2 martin * 1. Redistributions of source code must retain the above copyright 14 1.2.8.2 martin * notice, this list of conditions and the following disclaimer. 15 1.2.8.2 martin * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.8.2 martin * notice, this list of conditions and the following disclaimer in the 17 1.2.8.2 martin * documentation and/or other materials provided with the distribution. 18 1.2.8.2 martin * 19 1.2.8.2 martin * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2.8.2 martin * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2.8.2 martin * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2.8.2 martin * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2.8.2 martin * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2.8.2 martin * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2.8.2 martin * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2.8.2 martin * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2.8.2 martin * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2.8.2 martin * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2.8.2 martin * POSSIBILITY OF SUCH DAMAGE. 30 1.2.8.2 martin */ 31 1.2.8.2 martin 32 1.2.8.2 martin #include <sys/cdefs.h> 33 1.2.8.2 martin #if defined(LIBC_SCCS) && !defined(lint) 34 1.2.8.2 martin __RCSID("$NetBSD: res_compat.c,v 1.2.8.2 2008/04/28 20:23:01 martin Exp $"); 35 1.2.8.2 martin #endif 36 1.2.8.2 martin 37 1.2.8.2 martin #include <sys/types.h> 38 1.2.8.2 martin #include <arpa/inet.h> 39 1.2.8.2 martin #include <arpa/nameser.h> 40 1.2.8.2 martin #include <netdb.h> 41 1.2.8.2 martin #include <string.h> 42 1.2.8.2 martin #define __OLD_RES_STATE 43 1.2.8.2 martin #include <resolv.h> 44 1.2.8.2 martin 45 1.2.8.2 martin #undef _res 46 1.2.8.2 martin 47 1.2.8.2 martin /* 48 1.2.8.2 martin * Binary Compatibility; this symbol does not appear in a header file 49 1.2.8.2 martin * Most userland programs use this to set res_options before res_init() 50 1.2.8.2 martin * is called. There are hooks to res_init() to consult the data in this 51 1.2.8.2 martin * structure. The hooks are provided indirectly by the two functions below. 52 1.2.8.2 martin * We depend on the fact the the first 440 [32 bit machines] bytes are 53 1.2.8.2 martin * shared between the two structures. 54 1.2.8.2 martin */ 55 1.2.8.2 martin #ifndef __BIND_NOSTATIC 56 1.2.8.2 martin struct __res_state _res 57 1.2.8.2 martin #if defined(__BIND_RES_TEXT) 58 1.2.8.2 martin = { RES_TIMEOUT, } /* Motorola, et al. */ 59 1.2.8.2 martin # endif 60 1.2.8.2 martin ; 61 1.2.8.2 martin 62 1.2.8.2 martin void *__res_get_old_state(void); 63 1.2.8.2 martin void __res_put_old_state(void *); 64 1.2.8.2 martin 65 1.2.8.2 martin void * 66 1.2.8.2 martin __res_get_old_state(void) 67 1.2.8.2 martin { 68 1.2.8.2 martin return &_res; 69 1.2.8.2 martin } 70 1.2.8.2 martin 71 1.2.8.2 martin void 72 1.2.8.2 martin __res_put_old_state(void *res) 73 1.2.8.2 martin { 74 1.2.8.2 martin (void)memcpy(&_res, res, sizeof(_res)); 75 1.2.8.2 martin } 76 1.2.8.2 martin #endif 77
Indexes created Wed Oct 01 19:09:53 GMT 2025