| 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 | |