NetBSD/lib/libc/net/getnetbyname.c

/*	$NetBSD: getnetbyname.c,v 1.10 1998/01/06 05:01:18 perry Exp $	*/

/*
 * Copyright (c) 1983, 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. 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.
 */

#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid_[] = "from getnetbyname.c	1.1 (Coimbra) 93/06/02";
static char rcsid[] = "Id: getnetbyname.c,v 8.2 1995/06/19 08:35:01 vixie Exp ";
static char sccsid[] = "@(#)getnetbyname.c	8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: getnetbyname.c,v 1.10 1998/01/06 05:01:18 perry Exp $");
#endif
#endif /* LIBC_SCCS and not lint */

#include <netdb.h>
#include <string.h>

extern int _net_stayopen;

/* XXX private header! */
struct netent * __getnetbyname __P((const char *name));

struct netent *
__getnetbyname(name)
	const char *name;
{
	struct netent *p;
	char **cp;

	setnetent(_net_stayopen);
	while ((p = getnetent()) != NULL) {
		if (strcasecmp(p->n_name, name) == 0)
			break;
		for (cp = p->n_aliases; *cp != 0; cp++)
			if (strcasecmp(*cp, name) == 0)
				goto found;
	}
found:
	if (!_net_stayopen)
		endnetent();
	return (p);
}