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 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: stable/11/stand/libsa/inet_ntoa.c 329132 2018-02-11 19:51:29Z kevans $");
32
33#if defined(LIBC_SCCS) && !defined(lint)
34static char sccsid[] = "@(#)inet_ntoa.c	8.1 (Berkeley) 6/4/93";
35#endif /* LIBC_SCCS and not lint */
36
37#include <sys/types.h>
38#include <sys/socket.h>
39#include <netinet/in.h>
40#include <arpa/inet.h>
41#include "stand.h"
42
43/*
44 * Convert network-format internet address
45 * to base 256 d.d.d.d representation.
46 */
47char *
48inet_ntoa(in)
49	struct in_addr in;
50{
51	static const char fmt[] = "%u.%u.%u.%u";
52	static char ret[sizeof "255.255.255.255"];
53	unsigned char *src = (unsigned char *) &in;
54
55	sprintf(ret, fmt, src[0], src[1], src[2], src[3]);
56	return (ret);
57}
58
59/*
60 * Weak aliases for applications that use certain private entry points,
61 * and fail to include <arpa/inet.h>.
62 */
63#undef inet_ntoa
64__weak_reference(__inet_ntoa, inet_ntoa);
65