1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2001 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*
28 * University Copyright- Copyright (c) 1982, 1986, 1988
29 * The Regents of the University of California
30 * All Rights Reserved
31 *
32 * University Acknowledgment- Portions of this document are derived from
33 * software developed by the University of California, Berkeley, and its
34 * contributors.
35 */
36
37#pragma ident	"%Z%%M%	%I%	%E% SMI"
38	  /* from UCB 4.4 85/06/02 */
39
40#include <sys/types.h>
41#include <netinet/in.h>
42
43/*
44 * Formulate an Internet address from network + host.  Used in
45 * building addresses stored in the ifnet structure.
46 */
47struct in_addr
48inet_makeaddr(net, host)
49	int net, host;
50{
51	ulong_t addr;
52	struct in_addr inaddr;
53
54	if (net < 128)
55		addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST);
56	else if (net < 65536)
57		addr = (net << IN_CLASSB_NSHIFT) | (host & IN_CLASSB_HOST);
58	else
59		addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST);
60	inaddr.s_addr = htonl(addr);
61	return (inaddr);
62}
63