minix/lib/nbsd_libc/net/sethostent.c

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/* $NetBSD: sethostent.c,v 1.16 2007/01/27 22:27:35 christos Exp $ */
/*
* Copyright (c) 1985, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid[] = "@(#)sethostent.c 8.1 (Berkeley) 6/4/93";
static char rcsid[] = "Id: sethostent.c,v 8.5 1996/09/28 06:51:07 vixie Exp ";
#else
__RCSID("$NetBSD: sethostent.c,v 1.16 2007/01/27 22:27:35 christos Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <netdb.h>
#include <resolv.h>
#ifdef __weak_alias
__weak_alias(sethostent,_sethostent)
__weak_alias(endhostent,_endhostent)
#endif
void _endhtent __P((void));
#ifndef _REENTRANT
void res_close __P((void));
#endif
void _sethtent __P((int));
void
/*ARGSUSED*/
sethostent(stayopen)
int stayopen;
{
#ifndef _REENTRANT
if ((_res.options & RES_INIT) == 0 && res_init() == -1)
return;
if (stayopen)
_res.options |= RES_STAYOPEN | RES_USEVC;
#endif
_sethtent(stayopen);
}
void
endhostent()
{
#ifndef _REENTRANT
_res.options &= ~(RES_STAYOPEN | RES_USEVC);
res_close();
#endif
_endhtent();
}