libc/net/sethostent.c

1.5.2.1  jtc /*	$NetBSD: sethostent.c,v 1.5.2.1 1996/09/20 17:00:48 jtc Exp $	*/
    1.4  cgd
    1.1  cgd /*
    1.4  cgd  * Copyright (c) 1985, 1993
    1.4  cgd  *	The Regents of the University of California.  All rights reserved.
    1.1  cgd  *
    1.1  cgd  * Redistribution and use in source and binary forms, with or without
    1.1  cgd  * modification, are permitted provided that the following conditions
    1.1  cgd  * are met:
    1.1  cgd  * 1. Redistributions of source code must retain the above copyright
    1.1  cgd  *    notice, this list of conditions and the following disclaimer.
    1.1  cgd  * 2. Redistributions in binary form must reproduce the above copyright
    1.1  cgd  *    notice, this list of conditions and the following disclaimer in the
    1.1  cgd  *    documentation and/or other materials provided with the distribution.
    1.1  cgd  * 3. All advertising materials mentioning features or use of this software
    1.1  cgd  *    must display the following acknowledgement:
    1.1  cgd  *	This product includes software developed by the University of
    1.1  cgd  *	California, Berkeley and its contributors.
    1.1  cgd  * 4. Neither the name of the University nor the names of its contributors
    1.1  cgd  *    may be used to endorse or promote products derived from this software
    1.1  cgd  *    without specific prior written permission.
    1.1  cgd  *
    1.1  cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    1.1  cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    1.1  cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.1  cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    1.1  cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    1.1  cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    1.1  cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    1.1  cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    1.1  cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    1.1  cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    1.1  cgd  * SUCH DAMAGE.
    1.1  cgd  */
    1.1  cgd
    1.1  cgd #if defined(LIBC_SCCS) && !defined(lint)
    1.4  cgd #if 0
    1.4  cgd static char sccsid[] = "@(#)sethostent.c	8.1 (Berkeley) 6/4/93";
    1.5  mrg static char rcsid[] = "$Id: sethostent.c,v 8.3 1995/06/29 09:26:28 vixie Exp ";
    1.4  cgd #else
1.5.2.1  jtc static char rcsid[] = "$NetBSD: sethostent.c,v 1.5.2.1 1996/09/20 17:00:48 jtc Exp $";
    1.4  cgd #endif
    1.1  cgd #endif /* LIBC_SCCS and not lint */
    1.1  cgd
1.5.2.1  jtc #include "namespace.h"
    1.1  cgd #include <sys/param.h>
    1.1  cgd #include <netinet/in.h>
    1.1  cgd #include <arpa/nameser.h>
    1.1  cgd #include <netdb.h>
    1.1  cgd #include <resolv.h>
1.5.2.1  jtc
1.5.2.1  jtc #ifdef __weak_alias
1.5.2.1  jtc __weak_alias(endhostent,_endhostent);
1.5.2.1  jtc __weak_alias(sethostent,_sethostent);
1.5.2.1  jtc #endif
    1.1  cgd
    1.1  cgd void
    1.1  cgd sethostent(stayopen)
    1.5  mrg 	int stayopen;
    1.1  cgd {
    1.5  mrg
    1.5  mrg 	if ((_res.options & RES_INIT) == 0 && res_init() == -1)
    1.5  mrg 		return;
    1.1  cgd 	if (stayopen)
    1.1  cgd 		_res.options |= RES_STAYOPEN | RES_USEVC;
    1.1  cgd }
    1.1  cgd
    1.1  cgd void
    1.1  cgd endhostent()
    1.1  cgd {
    1.1  cgd 	_res.options &= ~(RES_STAYOPEN | RES_USEVC);
    1.1  cgd 	_res_close();
    1.1  cgd }