[apple/libc.git] / net / FreeBSD / inet_ntoa.c

/*-
 * 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.
 * 4. 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.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static const char sccsid[] = "@(#)inet_ntoa.c	8.1 (Berkeley) 6/4/93";
static const char rcsid[] = "$Id: inet_ntoa.c,v 1.1.352.1 2005/04/27 05:00:54 sra Exp $";
#endif /* LIBC_SCCS and not lint */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/lib/libc/inet/inet_ntoa.c,v 1.6 2007/06/14 07:13:28 delphij Exp $");

#include "port_before.h"

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

#include <stdio.h>
#include <string.h>

#include "port_after.h"

/*%
 * Convert network-format internet address
 * to base 256 d.d.d.d representation.
 */
/*const*/ char *
inet_ntoa(struct in_addr in) {
	static char ret[18];

	strcpy(ret, "[inet_ntoa error]");
	(void) inet_ntop(AF_INET, &in, ret, sizeof ret);
	return (ret);
}

char *
inet_ntoa_r(struct in_addr in, char *buf, socklen_t size)
{

	(void) inet_ntop(AF_INET, &in, buf, size);
	return (buf);
}

/*
 * Weak aliases for applications that use certain private entry points,
 * and fail to include <arpa/inet.h>.
 */
#undef inet_ntoa
__weak_reference(__inet_ntoa, inet_ntoa);
__weak_reference(__inet_ntoa_r, inet_ntoa_r);

/*! \file */
Commit	Line	Data
34e8f829	1	/*-
9385eb3d	2	* Copyright (c) 1983, 1993
e9ce8d39 A	3	* The Regents of the University of California. All rights reserved.
e9ce8d39 A	4	*
e9ce8d39 A	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.
e9ce8d39 A	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	#if defined(LIBC_SCCS) && !defined(lint)
34e8f829 A	31	static const char sccsid[] = "@(#)inet_ntoa.c 8.1 (Berkeley) 6/4/93";
34e8f829 A	32	static const char rcsid[] = "$Id: inet_ntoa.c,v 1.1.352.1 2005/04/27 05:00:54 sra Exp $";
e9ce8d39	33	#endif /* LIBC_SCCS and not lint */
9385eb3d	34	#include <sys/cdefs.h>
34e8f829 A	35	__FBSDID("$FreeBSD: src/lib/libc/inet/inet_ntoa.c,v 1.6 2007/06/14 07:13:28 delphij Exp $");
	36
	37	#include "port_before.h"
e9ce8d39	38
5b2abdfb	39	#include <sys/types.h>
9385eb3d A	40	#include <sys/socket.h>
	41	#include <netinet/in.h>
	42	#include <arpa/inet.h>
34e8f829	43
e9ce8d39	44	#include <stdio.h>
9385eb3d	45	#include <string.h>
e9ce8d39	46
34e8f829 A	47	#include "port_after.h"
	48
	49	/*%
9385eb3d A	50	* Convert network-format internet address
	51	* to base 256 d.d.d.d representation.
	52	*/
34e8f829 A	53	/const/ char *
34e8f829 A	54	inet_ntoa(struct in_addr in) {
9385eb3d	55	static char ret[18];
5b2abdfb	56
9385eb3d A	57	strcpy(ret, "[inet_ntoa error]");
	58	(void) inet_ntop(AF_INET, &in, ret, sizeof ret);
	59	return (ret);
e9ce8d39	60	}
9385eb3d	61
34e8f829 A	62	char *
	63	inet_ntoa_r(struct in_addr in, char *buf, socklen_t size)
	64	{
	65
	66	(void) inet_ntop(AF_INET, &in, buf, size);
	67	return (buf);
	68	}
	69
9385eb3d A	70	/*
	71	* Weak aliases for applications that use certain private entry points,
	72	* and fail to include <arpa/inet.h>.
	73	*/
	74	#undef inet_ntoa
	75	__weak_reference(__inet_ntoa, inet_ntoa);
34e8f829 A	76	__weak_reference(__inet_ntoa_r, inet_ntoa_r);
	77
	78	/! \file /