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