]>
Commit | Line | Data |
---|---|---|
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 * | |
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) */ |