1 /* $OpenBSD: inet_ntoa.c,v 1.6 2005/08/06 20:30:03 espie Exp $ */
2 /*
3 * Copyright (c) 1983, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 /* OPENBSD ORIGINAL: lib/libc/net/inet_ntoa.c */
32
33 #include "includes.h"
34
35 #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA)
36
37 /*
38 * Convert network-format internet address
39 * to base 256 d.d.d.d representation.
40 */
41 #include <sys/types.h>
42 #include <netinet/in.h>
43 #include <arpa/inet.h>
44 #include <stdio.h>
45
46 char *
inet_ntoa(struct in_addr in)47 inet_ntoa(struct in_addr in)
48 {
49 static char b[18];
50 char *p;
51
52 p = (char *)∈
53 #define UC(b) (((int)b)&0xff)
54 (void)snprintf(b, sizeof(b),
55 "%u.%u.%u.%u", UC(p[0]), UC(p[1]), UC(p[2]), UC(p[3]));
56 return (b);
57 }
58
59 #endif /* defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) */
60