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 #if defined(LIBC_SCCS) && !defined(lint) 35 static const char sccsid[] = "@(#)inet_ntoa.c 8.1 (Berkeley) 6/4/93"; 36 static const char rcsid[] = "$Id: inet_ntoa.c,v 1.2 2005/04/27 04:56:21 sra Exp $"; 37 #endif /* LIBC_SCCS and not lint */ 38 39 #include "port_before.h" 40 41 #include <sys/types.h> 42 #include <sys/socket.h> 43 #include <netinet/in.h> 44 #include <arpa/inet.h> 45 46 #include <stdio.h> 47 #include <string.h> 48 49 #include "port_after.h" 50 51 /*% 52 * Convert network-format internet address 53 * to base 256 d.d.d.d representation. 54 */ 55 /*const*/ char * 56 inet_ntoa(struct in_addr in) { 57 static char ret[18]; 58 59 strcpy(ret, "[inet_ntoa error]"); 60 (void) inet_ntop(AF_INET, &in, ret, sizeof ret); 61 return (ret); 62 } 63 64 #ifdef _LIBC 65 char * 66 inet_ntoa_r(struct in_addr in, char *buf, socklen_t size) 67 { 68 69 inet_ntop(AF_INET, &in, buf, size); 70 return (buf); 71 } 72 73 /* 74 * Weak aliases for applications that use certain private entry points, 75 * and fail to include <arpa/inet.h>. 76 */ 77 #undef inet_ntoa 78 __weak_reference(__inet_ntoa, inet_ntoa); 79 __weak_reference(__inet_ntoa_r, inet_ntoa_r); 80 #endif 81 /*! \file */ 82