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      1 /*
      2  * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Hgskolan
      3  * (Royal Institute of Technology, Stockholm, Sweden).
      4  * 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  *
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  *
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *      This product includes software developed by the Kungliga Tekniska
     20  *      Hgskolan and its contributors.
     21  *
     22  * 4. Neither the name of the Institute nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  */
     38 
     39 /* $Id: inet_aton.c,v 1.6 2003/11/16 09:36:49 guy Exp $ */
     40 
     41 #ifndef lint
     42 static const char rcsid[] _U_ =
     43      "@(#) $Header: /tcpdump/master/tcpdump/missing/inet_aton.c,v 1.6 2003/11/16 09:36:49 guy Exp $";
     44 #endif
     45 
     46 #include <tcpdump-stdinc.h>
     47 
     48 /* Minimal implementation of inet_aton.
     49  * Cannot distinguish between failure and a local broadcast address. */
     50 
     51 #ifndef INADDR_NONE
     52 #define INADDR_NONE 0xffffffff
     53 #endif
     54 
     55 int
     56 inet_aton(const char *cp, struct in_addr *addr)
     57 {
     58   addr->s_addr = inet_addr(cp);
     59   return (addr->s_addr == INADDR_NONE) ? 0 : 1;
     60 }
     61