1/*- 2 * Copyright 1994, 1995 Massachusetts Institute of Technology 3 * 4 * Permission to use, copy, modify, and distribute this software and 5 * its documentation for any purpose and without fee is hereby 6 * granted, provided that both the above copyright notice and this 7 * permission notice appear in all copies, that both the above 8 * copyright notice and this permission notice appear in all 9 * supporting documentation, and that the name of M.I.T. not be used 10 * in advertising or publicity pertaining to distribution of the 11 * software without specific, written prior permission. M.I.T. makes 12 * no representations about the suitability of this software for any 13 * purpose. It is provided "as is" without express or implied 14 * warranty. 15 * 16 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS 17 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, 18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT 20 * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 26 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD: releng/10.2/sys/libkern/inet_ntoa.c 139815 2005-01-07 00:24:33Z imp $"); 32 33#include <sys/param.h> 34#include <sys/systm.h> 35 36#include <netinet/in.h> 37 38char * 39inet_ntoa(struct in_addr ina) 40{ 41 static char buf[4*sizeof "123"]; 42 unsigned char *ucp = (unsigned char *)&ina; 43 44 sprintf(buf, "%d.%d.%d.%d", 45 ucp[0] & 0xff, 46 ucp[1] & 0xff, 47 ucp[2] & 0xff, 48 ucp[3] & 0xff); 49 return buf; 50} 51 52char * 53inet_ntoa_r(struct in_addr ina, char *buf) 54{ 55 unsigned char *ucp = (unsigned char *)&ina; 56 57 sprintf(buf, "%d.%d.%d.%d", 58 ucp[0] & 0xff, 59 ucp[1] & 0xff, 60 ucp[2] & 0xff, 61 ucp[3] & 0xff); 62 return buf; 63} 64 65 66