res_state.c revision 1.7.8.3 1 1.7.8.3 christos /* $NetBSD: res_state.c,v 1.7.8.3 2009/01/10 21:39:02 christos Exp $ */
2 1.7.8.2 christos
3 1.7.8.2 christos /*-
4 1.7.8.2 christos * Copyright (c) 2004 The NetBSD Foundation, Inc.
5 1.7.8.2 christos * All rights reserved.
6 1.7.8.2 christos *
7 1.7.8.2 christos * This code is derived from software contributed to The NetBSD Foundation
8 1.7.8.2 christos * by Christos Zoulas.
9 1.7.8.2 christos *
10 1.7.8.2 christos * Redistribution and use in source and binary forms, with or without
11 1.7.8.2 christos * modification, are permitted provided that the following conditions
12 1.7.8.2 christos * are met:
13 1.7.8.2 christos * 1. Redistributions of source code must retain the above copyright
14 1.7.8.2 christos * notice, this list of conditions and the following disclaimer.
15 1.7.8.2 christos * 2. Redistributions in binary form must reproduce the above copyright
16 1.7.8.2 christos * notice, this list of conditions and the following disclaimer in the
17 1.7.8.2 christos * documentation and/or other materials provided with the distribution.
18 1.7.8.2 christos *
19 1.7.8.2 christos * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.7.8.2 christos * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.7.8.2 christos * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.7.8.2 christos * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.7.8.2 christos * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.7.8.2 christos * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.7.8.2 christos * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.7.8.2 christos * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.7.8.2 christos * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.7.8.2 christos * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.7.8.2 christos * POSSIBILITY OF SUCH DAMAGE.
30 1.7.8.2 christos */
31 1.7.8.2 christos
32 1.7.8.2 christos #include <sys/cdefs.h>
33 1.7.8.2 christos #if defined(LIBC_SCCS) && !defined(lint)
34 1.7.8.3 christos __RCSID("$NetBSD: res_state.c,v 1.7.8.3 2009/01/10 21:39:02 christos Exp $");
35 1.7.8.2 christos #endif
36 1.7.8.2 christos
37 1.7.8.2 christos #include <sys/types.h>
38 1.7.8.2 christos #include <arpa/inet.h>
39 1.7.8.2 christos #include <arpa/nameser.h>
40 1.7.8.2 christos #include <netdb.h>
41 1.7.8.2 christos #include <resolv.h>
42 1.7.8.2 christos
43 1.7.8.2 christos struct __res_state _nres
44 1.7.8.2 christos # if defined(__BIND_RES_TEXT)
45 1.7.8.2 christos = { .retrans = RES_TIMEOUT, } /*%< Motorola, et al. */
46 1.7.8.2 christos # endif
47 1.7.8.2 christos ;
48 1.7.8.2 christos
49 1.7.8.2 christos res_state __res_get_state_nothread(void);
50 1.7.8.2 christos void __res_put_state_nothread(res_state);
51 1.7.8.2 christos
52 1.7.8.2 christos #ifdef __weak_alias
53 1.7.8.2 christos __weak_alias(__res_get_state, __res_get_state_nothread)
54 1.7.8.2 christos __weak_alias(__res_put_state, __res_put_state_nothread)
55 1.7.8.2 christos /* Source compatibility; only for single threaded programs */
56 1.7.8.2 christos __weak_alias(__res_state, __res_get_state_nothread)
57 1.7.8.2 christos #endif
58 1.7.8.2 christos
59 1.7.8.2 christos res_state
60 1.7.8.2 christos __res_get_state_nothread(void)
61 1.7.8.2 christos {
62 1.7.8.3 christos if ((_nres.options & RES_INIT) == 0 && res_ninit(&_nres) == -1) {
63 1.7.8.3 christos h_errno = NETDB_INTERNAL;
64 1.7.8.3 christos return NULL;
65 1.7.8.3 christos }
66 1.7.8.3 christos return &_nres;
67 1.7.8.2 christos }
68 1.7.8.2 christos
69 1.7.8.2 christos void
70 1.7.8.2 christos /*ARGSUSED*/
71 1.7.8.2 christos __res_put_state_nothread(res_state res)
72 1.7.8.2 christos {
73 1.7.8.2 christos }
74