1bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman/* $OpenBSD: inet_ntoa.c,v 1.6 2005/08/06 20:30:03 espie Exp $ */ 2bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman/* 3bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * Copyright (c) 1983, 1993 4bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * The Regents of the University of California. All rights reserved. 5bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * 6bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * Redistribution and use in source and binary forms, with or without 7bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * modification, are permitted provided that the following conditions 8bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * are met: 9bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * 1. Redistributions of source code must retain the above copyright 10bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * notice, this list of conditions and the following disclaimer. 11bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * 2. Redistributions in binary form must reproduce the above copyright 12bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * notice, this list of conditions and the following disclaimer in the 13bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * documentation and/or other materials provided with the distribution. 14bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * 3. Neither the name of the University nor the names of its contributors 15bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * may be used to endorse or promote products derived from this software 16bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * without specific prior written permission. 17bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * 18bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * SUCH DAMAGE. 29bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman */ 30bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 31bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman/* OPENBSD ORIGINAL: lib/libc/net/inet_ntoa.c */ 32bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 33bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman#include "includes.h" 34bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 35bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman#if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) 36bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 37bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman/* 38bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * Convert network-format internet address 39bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman * to base 256 d.d.d.d representation. 40bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman */ 41bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman#include <sys/types.h> 42bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman#include <netinet/in.h> 43bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman#include <arpa/inet.h> 44bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman#include <stdio.h> 45bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 46bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmanchar * 47bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartmaninet_ntoa(struct in_addr in) 48bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman{ 49bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman static char b[18]; 50bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman char *p; 51bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 52bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman p = (char *)∈ 53bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman#define UC(b) (((int)b)&0xff) 54bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman (void)snprintf(b, sizeof(b), 55bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman "%u.%u.%u.%u", UC(p[0]), UC(p[1]), UC(p[2]), UC(p[3])); 56bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman return (b); 57bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman} 58bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman 59bd77cf78387b72b7b3ea870459077672bf75c3b5Greg Hartman#endif /* defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) */ 60