xref: /titanic_44/usr/src/cmd/ssh/libopenbsd-compat/common/inet_ntoa.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * Copyright (c) 1983, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include "includes.h"
35 
36 #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA)
37 
38 #if defined(LIBC_SCCS) && !defined(lint)
39 static char rcsid[] = "$OpenBSD: inet_ntoa.c,v 1.3 2002/06/27 10:14:01 itojun Exp $";
40 #endif /* LIBC_SCCS and not lint */
41 
42 /*
43  * Convert network-format internet address
44  * to base 256 d.d.d.d representation.
45  */
46 #include <sys/types.h>
47 #include <netinet/in.h>
48 #include <arpa/inet.h>
49 #include <stdio.h>
50 #include "inet_ntoa.h"
51 
inet_ntoa(struct in_addr in)52 char *inet_ntoa(struct in_addr in)
53 {
54 	static char b[18];
55 	register char *p;
56 
57 	p = (char *)&in;
58 #define	UC(b)	(((int)b)&0xff)
59 	(void)snprintf(b, sizeof(b),
60 	    "%u.%u.%u.%u", UC(p[0]), UC(p[1]), UC(p[2]), UC(p[3]));
61 	return (b);
62 }
63 
64 #endif /* defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) */
65 
66 #pragma ident	"%Z%%M%	%I%	%E% SMI"
67