Annotation of src/lib/libc/resolv/res_state.c, Revision 1.7
1.7 ! martin 1: /* $NetBSD: res_state.c,v 1.6 2007/01/27 22:26:44 christos Exp $ */
1.1 christos 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)
1.7 ! martin 34: __RCSID("$NetBSD: res_state.c,v 1.6 2007/01/27 22:26:44 christos Exp $");
1.1 christos 35: #endif
36:
37: #include <sys/types.h>
38: #include <arpa/inet.h>
39: #include <arpa/nameser.h>
1.4 christos 40: #include <netdb.h>
1.1 christos 41: #include <resolv.h>
42:
1.6 christos 43: struct __res_state _nres
44: # if defined(__BIND_RES_TEXT)
45: = { .retrans = RES_TIMEOUT, } /*%< Motorola, et al. */
46: # endif
47: ;
1.1 christos 48:
49: res_state __res_get_state_nothread(void);
50: void __res_put_state_nothread(res_state);
51:
1.2 christos 52: #ifdef __weak_alias
1.1 christos 53: __weak_alias(__res_get_state, __res_get_state_nothread)
54: __weak_alias(__res_put_state, __res_put_state_nothread)
1.3 christos 55: /* Source compatibility; only for single threaded programs */
56: __weak_alias(__res_state, __res_get_state_nothread)
1.2 christos 57: #endif
1.1 christos 58:
59: res_state
60: __res_get_state_nothread(void)
61: {
1.5 christos 62: if ((_nres.options & RES_INIT) == 0 && res_ninit(&_nres) == -1) {
1.4 christos 63: h_errno = NETDB_INTERNAL;
64: return NULL;
65: }
1.5 christos 66: return &_nres;
1.1 christos 67: }
68:
69: void
70: /*ARGSUSED*/
71: __res_put_state_nothread(res_state res)
72: {
73: }
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