Adjust kernel-features.h defaults for recvmsg and sendmsg
[glibc.git] / resolv / res_hconf.h
blobb97734df9e829b37aceb9d83b970ef8e2a637217
1 /* Copyright (C) 1993-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by David Mosberger (davidm@azstarnet.com).
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 #ifndef _RES_HCONF_H_
20 #define _RES_HCONF_H_
22 #include <netdb.h>
24 #define TRIMDOMAINS_MAX 4
26 struct hconf
28 int initialized;
29 int unused1;
30 int unused2[4];
31 int num_trimdomains;
32 const char *trimdomain[TRIMDOMAINS_MAX];
33 unsigned int flags;
34 # define HCONF_FLAG_INITED (1 << 0) /* initialized? */
35 # define HCONF_FLAG_SPOOF (1 << 1) /* refuse spoofed addresses */
36 # define HCONF_FLAG_SPOOFALERT (1 << 2) /* syslog warning of spoofed */
37 # define HCONF_FLAG_REORDER (1 << 3) /* list best address first */
38 # define HCONF_FLAG_MULTI (1 << 4) /* see comments for gethtbyname() */
40 extern struct hconf _res_hconf;
42 extern void _res_hconf_init (void);
43 extern void _res_hconf_trim_domain (char *domain);
44 extern void _res_hconf_trim_domains (struct hostent *hp);
45 extern void _res_hconf_reorder_addrs (struct hostent *hp);
47 #endif /* _RES_HCONF_H_ */