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 #include <sys/param.h>
30 #include <sys/systm.h>
31
32 #include <netinet/in.h>
33
34 char *
inet_ntoa(struct in_addr ina)35 inet_ntoa(struct in_addr ina)
36 {
37 static char buf[4 * sizeof "123"];
38 unsigned char *ucp = (unsigned char *)&ina;
39
40 snprintf(buf, sizeof(buf), "%d.%d.%d.%d",
41 ucp[0] & 0xff,
42 ucp[1] & 0xff,
43 ucp[2] & 0xff,
44 ucp[3] & 0xff);
45 return buf;
46 }
47
48 char *
inet_ntoa_r(struct in_addr ina,char * buf,size_t buflen)49 inet_ntoa_r(struct in_addr ina, char *buf, size_t buflen)
50 {
51 unsigned char *ucp = (unsigned char *)&ina;
52
53 snprintf(buf, buflen, "%d.%d.%d.%d",
54 ucp[0] & 0xff,
55 ucp[1] & 0xff,
56 ucp[2] & 0xff,
57 ucp[3] & 0xff);
58 return buf;
59 }
60