1 | /* $NetBSD: in_print.c,v 1.1 2014/12/02 19:35:27 christos Exp $ */ |
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_print.c,v 1.1 2014/12/02 19:35:27 christos Exp $" ); |
33 | #include <sys/systm.h> |
34 | #else |
35 | __RCSID("$NetBSD: in_print.c,v 1.1 2014/12/02 19:35:27 christos Exp $" ); |
36 | #include <stdio.h> |
37 | #endif |
38 | #include <netinet/in.h> |
39 | |
40 | int |
41 | in_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 | |
49 | int |
50 | sin_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 | |