1/*	$NetBSD$	*/
2
3/*-
4 * Copyright (c) 2014 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28#include <sys/cdefs.h>
29
30#include <sys/types.h>
31#ifdef _KERNEL
32__KERNEL_RCSID(0, "$NetBSD: in.c,v 1.148 2014/09/09 20:16:12 rmind Exp $");
33#include <sys/systm.h>
34#else
35__RCSID("$NetBSD: in.c,v 1.148 2014/09/09 20:16:12 rmind Exp $");
36#include <stdio.h>
37#endif
38#include <netinet/in.h>
39
40int
41in_print(char *buf, size_t len, const struct in_addr *ia)
42{
43	const in_addr_t a = ntohl(ia->s_addr);
44	return snprintf(buf, len, "%d.%d.%d.%d",
45	    (a >> 24) & 0xff, (a >> 16) & 0xff,
46	    (a >>  8) & 0xff, (a >>  0) & 0xff);
47}
48
49int
50sin_print(char *buf, size_t len, const void *v)
51{
52	const struct sockaddr_in *sin = v;
53	const struct in_addr *ia = &sin->sin_addr;
54	char abuf[INET_ADDRSTRLEN];
55
56	if (!sin->sin_port)
57		return in_print(buf, len, ia);
58
59	in_print(abuf, sizeof(abuf), ia);
60	return snprintf(buf, len, "%s:%hu", abuf, ntohs(sin->sin_port));
61}
62