xref: /illumos-gate/usr/src/boot/libsa/inet_ntoa.c (revision 22028508fd28d36ff74dc02c5774a8ba1f0db045)
1*22028508SToomas Soome /*
2*22028508SToomas Soome  * Copyright (c) 1983, 1993
3*22028508SToomas Soome  *	The Regents of the University of California.  All rights reserved.
4*22028508SToomas Soome  *
5*22028508SToomas Soome  * Redistribution and use in source and binary forms, with or without
6*22028508SToomas Soome  * modification, are permitted provided that the following conditions
7*22028508SToomas Soome  * are met:
8*22028508SToomas Soome  * 1. Redistributions of source code must retain the above copyright
9*22028508SToomas Soome  *    notice, this list of conditions and the following disclaimer.
10*22028508SToomas Soome  * 2. Redistributions in binary form must reproduce the above copyright
11*22028508SToomas Soome  *    notice, this list of conditions and the following disclaimer in the
12*22028508SToomas Soome  *    documentation and/or other materials provided with the distribution.
13*22028508SToomas Soome  * 3. Neither the name of the University nor the names of its contributors
14*22028508SToomas Soome  *    may be used to endorse or promote products derived from this software
15*22028508SToomas Soome  *    without specific prior written permission.
16*22028508SToomas Soome  *
17*22028508SToomas Soome  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18*22028508SToomas Soome  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19*22028508SToomas Soome  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20*22028508SToomas Soome  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21*22028508SToomas Soome  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22*22028508SToomas Soome  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23*22028508SToomas Soome  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24*22028508SToomas Soome  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25*22028508SToomas Soome  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26*22028508SToomas Soome  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27*22028508SToomas Soome  * SUCH DAMAGE.
28*22028508SToomas Soome  */
29*22028508SToomas Soome 
30*22028508SToomas Soome #include <sys/cdefs.h>
31*22028508SToomas Soome 
32*22028508SToomas Soome #include <sys/types.h>
33*22028508SToomas Soome #include <sys/socket.h>
34*22028508SToomas Soome #include <netinet/in.h>
35*22028508SToomas Soome #include <arpa/inet.h>
36*22028508SToomas Soome #include "stand.h"
37*22028508SToomas Soome 
38*22028508SToomas Soome /*
39*22028508SToomas Soome  * Convert network-format internet address
40*22028508SToomas Soome  * to base 256 d.d.d.d representation.
41*22028508SToomas Soome  */
42*22028508SToomas Soome char *
inet_ntoa(struct in_addr in)43*22028508SToomas Soome inet_ntoa(struct in_addr in)
44*22028508SToomas Soome {
45*22028508SToomas Soome 	static const char fmt[] = "%u.%u.%u.%u";
46*22028508SToomas Soome 	static char ret[sizeof ("255.255.255.255")];
47*22028508SToomas Soome 	unsigned char *src = (unsigned char *) &in;
48*22028508SToomas Soome 
49*22028508SToomas Soome 	sprintf(ret, fmt, src[0], src[1], src[2], src[3]);
50*22028508SToomas Soome 	return (ret);
51*22028508SToomas Soome }
52*22028508SToomas Soome 
53*22028508SToomas Soome /*
54*22028508SToomas Soome  * Weak aliases for applications that use certain private entry points,
55*22028508SToomas Soome  * and fail to include <arpa/inet.h>.
56*22028508SToomas Soome  */
57*22028508SToomas Soome #undef inet_ntoa
58*22028508SToomas Soome __weak_reference(__inet_ntoa, inet_ntoa);
59