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 * |
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, count: 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 * |
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, count: 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 | |