xref: /illumos-gate/usr/src/boot/libsa/inet_ntoa.c (revision 22028508)
1199767f8SToomas Soome /*
2199767f8SToomas Soome  * Copyright (c) 1983, 1993
3199767f8SToomas Soome  *	The Regents of the University of California.  All rights reserved.
4199767f8SToomas Soome  *
5199767f8SToomas Soome  * Redistribution and use in source and binary forms, with or without
6199767f8SToomas Soome  * modification, are permitted provided that the following conditions
7199767f8SToomas Soome  * are met:
8199767f8SToomas Soome  * 1. Redistributions of source code must retain the above copyright
9199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer.
10199767f8SToomas Soome  * 2. Redistributions in binary form must reproduce the above copyright
11199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer in the
12199767f8SToomas Soome  *    documentation and/or other materials provided with the distribution.
130384eafeSToomas Soome  * 3. Neither the name of the University nor the names of its contributors
14199767f8SToomas Soome  *    may be used to endorse or promote products derived from this software
15199767f8SToomas Soome  *    without specific prior written permission.
16199767f8SToomas Soome  *
17199767f8SToomas Soome  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18199767f8SToomas Soome  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19199767f8SToomas Soome  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20199767f8SToomas Soome  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21199767f8SToomas Soome  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22199767f8SToomas Soome  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23199767f8SToomas Soome  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24199767f8SToomas Soome  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25199767f8SToomas Soome  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26199767f8SToomas Soome  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27199767f8SToomas Soome  * SUCH DAMAGE.
28199767f8SToomas Soome  */
29199767f8SToomas Soome 
30199767f8SToomas Soome #include <sys/cdefs.h>
31199767f8SToomas Soome 
32199767f8SToomas Soome #include <sys/types.h>
33199767f8SToomas Soome #include <sys/socket.h>
34199767f8SToomas Soome #include <netinet/in.h>
35199767f8SToomas Soome #include <arpa/inet.h>
36199767f8SToomas Soome #include "stand.h"
37199767f8SToomas Soome 
38199767f8SToomas Soome /*
39199767f8SToomas Soome  * Convert network-format internet address
40199767f8SToomas Soome  * to base 256 d.d.d.d representation.
41199767f8SToomas Soome  */
42199767f8SToomas Soome char *
inet_ntoa(struct in_addr in)430384eafeSToomas Soome inet_ntoa(struct in_addr in)
44199767f8SToomas Soome {
45199767f8SToomas Soome 	static const char fmt[] = "%u.%u.%u.%u";
460384eafeSToomas Soome 	static char ret[sizeof ("255.255.255.255")];
47199767f8SToomas Soome 	unsigned char *src = (unsigned char *) &in;
48199767f8SToomas Soome 
49199767f8SToomas Soome 	sprintf(ret, fmt, src[0], src[1], src[2], src[3]);
50199767f8SToomas Soome 	return (ret);
51199767f8SToomas Soome }
52199767f8SToomas Soome 
53199767f8SToomas Soome /*
54199767f8SToomas Soome  * Weak aliases for applications that use certain private entry points,
55199767f8SToomas Soome  * and fail to include <arpa/inet.h>.
56199767f8SToomas Soome  */
57199767f8SToomas Soome #undef inet_ntoa
58199767f8SToomas Soome __weak_reference(__inet_ntoa, inet_ntoa);
59