glibc/resolv/res_hconf.h

/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
   Contributed by David Mosberger (davidm@azstarnet.com).

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifndef _RES_HCONF_H_
#define _RES_HCONF_H_

#include <netdb.h>

#define TRIMDOMAINS_MAX	4

enum Name_Service {
  SERVICE_NONE = 0,
  SERVICE_BIND, SERVICE_HOSTS, SERVICE_NIS,
  SERVICE_MAX
};

struct hconf {
  int			num_services;
  enum Name_Service	service[SERVICE_MAX];
  int			num_trimdomains;
  const char *		trimdomain[TRIMDOMAINS_MAX];
  unsigned		flags;
#  define HCONF_FLAG_INITED	(1 << 0) /* initialized? */
#  define HCONF_FLAG_SPOOF	(1 << 1) /* refuse spoofed addresses */
#  define HCONF_FLAG_SPOOFALERT	(1 << 2) /* syslog warning of spoofed */
#  define HCONF_FLAG_REORDER	(1 << 3) /* list best address first */
#  define HCONF_FLAG_MULTI	(1 << 4) /* see comments for gethtbyname() */
} _res_hconf;

extern void	_res_hconf_init (void);
extern void	_res_hconf_trim_domain (char * domain);
extern void	_res_hconf_trim_domains (struct hostent * hp);
extern void	_res_hconf_reorder_addrs (struct hostent * hp);

#endif /* _RES_HCONF_H_ */