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sethostent.c
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C/C++ Source or Header
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1996-09-28
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3KB
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80 lines
/*
* Copyright (c) 1985 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)sethostent.c 6.9 (Berkeley) 3/19/91";
#endif /* LIBC_SCCS and not lint */
#define _KERNEL
#include "ixnet.h"
#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <netdb.h>
#include <resolv.h>
void
sethostent(stayopen)
{
register struct ixnet *p = (struct ixnet *)u.u_ixnet;
if (p->u_networkprotocol == IX_NETWORK_AS225) {
SOCK_sethostent(stayopen);
return;
}
if (stayopen && u.u_res)
u.u_res->options |= RES_STAYOPEN | RES_USEVC;
}
void _res_close(void);
void
endhostent(void)
{
register struct ixnet *p = (struct ixnet *)u.u_ixnet;
if (p->u_networkprotocol == IX_NETWORK_AS225) {
SOCK_endhostent();
return;
}
if (u.u_res)
{
u.u_res->options &= ~(RES_STAYOPEN | RES_USEVC);
if (*u.u_res_socket != -1) {
extern int close(int);
close(*u.u_res_socket);
*u.u_res_socket = -1;
}
}
}