1*dfbbb8d8Schristos /* $NetBSD: in_print.c,v 1.1 2014/12/02 19:35:27 christos Exp $ */
2*dfbbb8d8Schristos
3*dfbbb8d8Schristos /*-
4*dfbbb8d8Schristos * Copyright (c) 2014 The NetBSD Foundation, Inc.
5*dfbbb8d8Schristos * All rights reserved.
6*dfbbb8d8Schristos *
7*dfbbb8d8Schristos * Redistribution and use in source and binary forms, with or without
8*dfbbb8d8Schristos * modification, are permitted provided that the following conditions
9*dfbbb8d8Schristos * are met:
10*dfbbb8d8Schristos * 1. Redistributions of source code must retain the above copyright
11*dfbbb8d8Schristos * notice, this list of conditions and the following disclaimer.
12*dfbbb8d8Schristos * 2. Redistributions in binary form must reproduce the above copyright
13*dfbbb8d8Schristos * notice, this list of conditions and the following disclaimer in the
14*dfbbb8d8Schristos * documentation and/or other materials provided with the distribution.
15*dfbbb8d8Schristos *
16*dfbbb8d8Schristos * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17*dfbbb8d8Schristos * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18*dfbbb8d8Schristos * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19*dfbbb8d8Schristos * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20*dfbbb8d8Schristos * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21*dfbbb8d8Schristos * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22*dfbbb8d8Schristos * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23*dfbbb8d8Schristos * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24*dfbbb8d8Schristos * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25*dfbbb8d8Schristos * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26*dfbbb8d8Schristos * POSSIBILITY OF SUCH DAMAGE.
27*dfbbb8d8Schristos */
28*dfbbb8d8Schristos #include <sys/cdefs.h>
29*dfbbb8d8Schristos
30*dfbbb8d8Schristos #include <sys/types.h>
31*dfbbb8d8Schristos #ifdef _KERNEL
32*dfbbb8d8Schristos __KERNEL_RCSID(0, "$NetBSD: in_print.c,v 1.1 2014/12/02 19:35:27 christos Exp $");
33*dfbbb8d8Schristos #include <sys/systm.h>
34*dfbbb8d8Schristos #else
35*dfbbb8d8Schristos __RCSID("$NetBSD: in_print.c,v 1.1 2014/12/02 19:35:27 christos Exp $");
36*dfbbb8d8Schristos #include <stdio.h>
37*dfbbb8d8Schristos #endif
38*dfbbb8d8Schristos #include <netinet/in.h>
39*dfbbb8d8Schristos
40*dfbbb8d8Schristos int
in_print(char * buf,size_t len,const struct in_addr * ia)41*dfbbb8d8Schristos in_print(char *buf, size_t len, const struct in_addr *ia)
42*dfbbb8d8Schristos {
43*dfbbb8d8Schristos const in_addr_t a = ntohl(ia->s_addr);
44*dfbbb8d8Schristos return snprintf(buf, len, "%d.%d.%d.%d",
45*dfbbb8d8Schristos (a >> 24) & 0xff, (a >> 16) & 0xff,
46*dfbbb8d8Schristos (a >> 8) & 0xff, (a >> 0) & 0xff);
47*dfbbb8d8Schristos }
48*dfbbb8d8Schristos
49*dfbbb8d8Schristos int
sin_print(char * buf,size_t len,const void * v)50*dfbbb8d8Schristos sin_print(char *buf, size_t len, const void *v)
51*dfbbb8d8Schristos {
52*dfbbb8d8Schristos const struct sockaddr_in *sin = v;
53*dfbbb8d8Schristos const struct in_addr *ia = &sin->sin_addr;
54*dfbbb8d8Schristos char abuf[INET_ADDRSTRLEN];
55*dfbbb8d8Schristos
56*dfbbb8d8Schristos if (!sin->sin_port)
57*dfbbb8d8Schristos return in_print(buf, len, ia);
58*dfbbb8d8Schristos
59*dfbbb8d8Schristos in_print(abuf, sizeof(abuf), ia);
60*dfbbb8d8Schristos return snprintf(buf, len, "%s:%hu", abuf, ntohs(sin->sin_port));
61*dfbbb8d8Schristos }
62