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/*
* Copyright 1996 Massachusetts Institute of Technology
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby
* granted, provided that both the above copyright notice and this
* permission notice appear in all copies, that both the above
* copyright notice and this permission notice appear in all
* supporting documentation, and that the name of M.I.T. not be used
* in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission. M.I.T. makes
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
* SHALL M.I.T. 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.
*
* $ANA: ascii2addr.c,v 1.2 1996/06/13 18:46:02 wollman Exp $
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/socket.h>
#include <errno.h>
#include <string.h>
#include <net/if_dl.h>
#include <netinet/in.h>
#include <arpa/inet.h>
int
ascii2addr(af, ascii, result)
int af;
const char *ascii;
void *result;
{
struct in_addr *ina;
char strbuf[4*sizeof("123")]; /* long enough for V4 only */
switch(af) {
case AF_INET:
ina = result;
strbuf[0] = '\0';
strncat(strbuf, ascii, (sizeof strbuf)-1);
if (inet_aton(strbuf, ina))
return sizeof(struct in_addr);
errno = EINVAL;
break;
case AF_LINK:
link_addr(ascii, result);
/* oops... no way to detect failure */
return sizeof(struct sockaddr_dl);
default:
errno = EPROTONOSUPPORT;
break;
}
return -1;
}
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