1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "includes.h" 35 36 #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) 37 38 #if defined(LIBC_SCCS) && !defined(lint) 39 static char rcsid[] = "$OpenBSD: inet_ntoa.c,v 1.3 2002/06/27 10:14:01 itojun Exp $"; 40 #endif /* LIBC_SCCS and not lint */ 41 42 /* 43 * Convert network-format internet address 44 * to base 256 d.d.d.d representation. 45 */ 46 #include <sys/types.h> 47 #include <netinet/in.h> 48 #include <arpa/inet.h> 49 #include <stdio.h> 50 #include "inet_ntoa.h" 51 52 char *inet_ntoa(struct in_addr in) 53 { 54 static char b[18]; 55 register char *p; 56 57 p = (char *)∈ 58 #define UC(b) (((int)b)&0xff) 59 (void)snprintf(b, sizeof(b), 60 "%u.%u.%u.%u", UC(p[0]), UC(p[1]), UC(p[2]), UC(p[3])); 61 return (b); 62 } 63 64 #endif /* defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) */ 65 66 #pragma ident "%Z%%M% %I% %E% SMI" 67