itojun | 7ddb793 | 1999-10-30 07:53:37 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan |
| 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 | * Högskolan 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 | |
fenner | 34ff77f | 2000-01-09 21:34:14 +0000 | [diff] [blame] | 39 | /* $Id: inet_aton.c,v 1.2 2000-01-09 21:35:45 fenner Exp $ */ |
| 40 | |
| 41 | #ifndef lint |
| 42 | static const char rcsid[] = |
| 43 | "@(#) $Header: /tcpdump/master/tcpdump/missing/inet_aton.c,v 1.2 2000-01-09 21:35:45 fenner Exp $"; |
| 44 | #endif |
itojun | 7ddb793 | 1999-10-30 07:53:37 +0000 | [diff] [blame] | 45 | |
| 46 | #include <sys/types.h> |
| 47 | #include <netinet/in.h> |
| 48 | #include <netdb.h> |
| 49 | #include <arpa/inet.h> |
| 50 | |
| 51 | /* Minimal implementation of inet_aton. |
| 52 | * Cannot distinguish between failure and a local broadcast address. */ |
| 53 | |
| 54 | #ifndef INADDR_NONE |
| 55 | #define INADDR_NONE 0xffffffff |
| 56 | #endif |
| 57 | |
| 58 | int |
| 59 | inet_aton(const char *cp, struct in_addr *addr) |
| 60 | { |
| 61 | addr->s_addr = inet_addr(cp); |
| 62 | return (addr->s_addr == INADDR_NONE) ? 0 : 1; |
| 63 | } |