1 2 /* 3 * Copyright 1994, 1995 Massachusetts Institute of Technology 4 * 5 * Permission to use, copy, modify, and distribute this software and 6 * its documentation for any purpose and without fee is hereby 7 * granted, provided that both the above copyright notice and this 8 * permission notice appear in all copies, that both the above 9 * copyright notice and this permission notice appear in all 10 * supporting documentation, and that the name of M.I.T. not be used 11 * in advertising or publicity pertaining to distribution of the 12 * software without specific, written prior permission. M.I.T. makes 13 * no representations about the suitability of this software for any 14 * purpose. It is provided "as is" without express or implied 15 * warranty. 16 * 17 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS 18 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE, 19 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT 21 * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 24 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 27 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD: src/sys/libkern/inet_ntoa.c,v 1.2.16.1 2000/08/03 01:03:45 peter Exp $ 31 * $DragonFly: src/sys/libkern/inet_ntoa.c,v 1.2 2003/06/17 04:28:42 dillon Exp $ 32 */ 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 37 #include <netinet/in.h> 38 39 char * 40 inet_ntoa(struct in_addr ina) 41 { 42 static char buf[4*sizeof "123"]; 43 unsigned char *ucp = (unsigned char *)&ina; 44 45 sprintf(buf, "%d.%d.%d.%d", 46 ucp[0] & 0xff, 47 ucp[1] & 0xff, 48 ucp[2] & 0xff, 49 ucp[3] & 0xff); 50 return buf; 51 } 52 53