[openssh.git] / openbsd-compat / inet_ntoa.c

/*	$OpenBSD: inet_ntoa.c,v 1.6 2005/08/06 20:30:03 espie Exp $ */
/*
 * Copyright (c) 1983, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/* OPENBSD ORIGINAL: lib/libc/net/inet_ntoa.c */

#include "includes.h"

#if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA)

/*
 * Convert network-format internet address
 * to base 256 d.d.d.d representation.
 */
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>

char *
inet_ntoa(struct in_addr in)
{
	static char b[18];
	char *p;

	p = (char *)&in;
#define	UC(b)	(((int)b)&0xff)
	(void)snprintf(b, sizeof(b),
	    "%u.%u.%u.%u", UC(p[0]), UC(p[1]), UC(p[2]), UC(p[3]));
	return (b);
}

#endif /* defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) */
Commit	Line	Data
63ab2f1a	1	/* $OpenBSD: inet_ntoa.c,v 1.6 2005/08/06 20:30:03 espie Exp $ */
416ed5a7	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.
3e67f7df	14	* 3. Neither the name of the University nor the names of its contributors
416ed5a7	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
f6d4fb87	31	/* OPENBSD ORIGINAL: lib/libc/net/inet_ntoa.c */
f6d4fb87	32
17962c40	33	#include "includes.h"
416ed5a7	34
	35	#if defined(BROKEN_INET_NTOA) \|\| !defined(HAVE_INET_NTOA)
	36
416ed5a7	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>
416ed5a7	45
63ab2f1a	46	char *
63ab2f1a	47	inet_ntoa(struct in_addr in)
416ed5a7	48	{
416ed5a7	49	static char b[18];
63ab2f1a	50	char *p;
416ed5a7	51
	52	p = (char *)&in;
	53	#define UC(b) (((int)b)&0xff)
	54	(void)snprintf(b, sizeof(b),
ac8802eb	55	"%u.%u.%u.%u", UC(p[0]), UC(p[1]), UC(p[2]), UC(p[3]));
416ed5a7	56	return (b);
	57	}
	58
	59	#endif /* defined(BROKEN_INET_NTOA) \|\| !defined(HAVE_INET_NTOA) */