1 1.2 christos /* $NetBSD: inet_ntoa.c,v 1.2 2012/03/13 21:13:38 christos Exp $ */ 2 1.1 christos 3 1.1 christos /* 4 1.1 christos * Copyright (c) 1983, 1993 5 1.1 christos * The Regents of the University of California. All rights reserved. 6 1.1 christos * 7 1.1 christos * Redistribution and use in source and binary forms, with or without 8 1.1 christos * modification, are permitted provided that the following conditions 9 1.1 christos * are met: 10 1.1 christos * 1. Redistributions of source code must retain the above copyright 11 1.1 christos * notice, this list of conditions and the following disclaimer. 12 1.1 christos * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 christos * notice, this list of conditions and the following disclaimer in the 14 1.1 christos * documentation and/or other materials provided with the distribution. 15 1.1 christos * 3. Neither the name of the University nor the names of its contributors 16 1.1 christos * may be used to endorse or promote products derived from this software 17 1.1 christos * without specific prior written permission. 18 1.1 christos * 19 1.1 christos * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 1.1 christos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 1.1 christos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 1.1 christos * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 1.1 christos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 1.1 christos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 1.1 christos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 1.1 christos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 1.1 christos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 1.1 christos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 1.1 christos * SUCH DAMAGE. 30 1.1 christos */ 31 1.1 christos 32 1.1 christos #include <sys/cdefs.h> 33 1.1 christos #if defined(LIBC_SCCS) && !defined(lint) 34 1.1 christos #if 0 35 1.1 christos static char sccsid[] = "@(#)inet_ntoa.c 8.1 (Berkeley) 6/4/93"; 36 1.1 christos #else 37 1.2 christos __RCSID("$NetBSD: inet_ntoa.c,v 1.2 2012/03/13 21:13:38 christos Exp $"); 38 1.1 christos #endif 39 1.1 christos #endif /* LIBC_SCCS and not lint */ 40 1.1 christos 41 1.1 christos #include "namespace.h" 42 1.1 christos #include <sys/types.h> 43 1.1 christos #include <sys/socket.h> 44 1.1 christos #include <netinet/in.h> 45 1.1 christos #include <arpa/inet.h> 46 1.1 christos #include <stdio.h> 47 1.1 christos #include <string.h> 48 1.1 christos 49 1.1 christos #ifdef __weak_alias 50 1.1 christos __weak_alias(inet_ntoa,_inet_ntoa) 51 1.1 christos #endif 52 1.1 christos 53 1.1 christos /* 54 1.1 christos * Convert network-format internet address 55 1.1 christos * to base 256 d.d.d.d representation. 56 1.1 christos */ 57 1.1 christos /*const*/ char * 58 1.1 christos inet_ntoa(struct in_addr in) { 59 1.1 christos static char ret[18]; 60 1.1 christos 61 1.1 christos strlcpy(ret, "[inet_ntoa error]", sizeof(ret)); 62 1.2 christos (void) inet_ntop(AF_INET, &in, ret, (socklen_t)sizeof ret); 63 1.2 christos return ret; 64 1.1 christos } 65