inet_ntoa.c revision 69134 
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 * $FreeBSD: head/sys/libkern/inet_ntoa.c 69134 2000-11-25 03:14:31Z alfred $
30 */
31
32#include <sys/param.h>
33#include <sys/systm.h>
34
35#include <netinet/in.h>
36
37char *
38inet_ntoa(struct in_addr ina)
39{
40	static char buf[4*sizeof "123"];
41	unsigned char *ucp = (unsigned char *)&ina;
42
43	sprintf(buf, "%d.%d.%d.%d",
44		ucp[0] & 0xff,
45		ucp[1] & 0xff,
46		ucp[2] & 0xff,
47		ucp[3] & 0xff);
48	return buf;
49}
50
51char *
52inet_ntoa_r(struct in_addr ina, char *buf)
53{
54	unsigned char *ucp = (unsigned char *)&ina;
55
56	sprintf(buf, "%d.%d.%d.%d",
57		ucp[0] & 0xff,
58		ucp[1] & 0xff,
59		ucp[2] & 0xff,
60		ucp[3] & 0xff);
61	return buf;
62}
63
64
65