2002-10-19 12:59:30 +00:00
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/*
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2004-02-07 00:30:03 +00:00
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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2002-10-19 12:59:30 +00:00
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#include "lwip/ip_addr.h"
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#include "lwip/inet.h"
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2003-04-16 07:39:48 +00:00
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/* used by IP_ADDR_ANY and IP_ADDR_BROADCAST in ip_addr.h */
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2003-04-11 08:10:17 +00:00
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const struct ip_addr ip_addr_any = { 0x00000000UL };
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const struct ip_addr ip_addr_broadcast = { 0xffffffffUL };
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2004-02-24 21:59:17 +00:00
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/* work in progress - meant to replace ip_addr.h macro
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* as it does not support non-broadcast interfaces.
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* lwip-devel 18-2-2004
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*/
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#if 0
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#include "lwip/netif.h"
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bool ip_addr_isbroadcast(ip_addr *addr1, struct netif *netif)
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bool ip_addr_isbroadcast(addr1, netif)
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{
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/* all ones (broadcast) or all zeroes (old skool broadcast) */
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if (addr1->addr == ip_addr_broadcast.ip_addr) ||
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addr1->addr == ip_addr_any.ip_addr))
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return 1;
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/* no broadcast support on this network interface
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* we cannot proceed matching against broadcast addresses */
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else if (netif->flags &= NETIF_FLAG_BROADCAST == 0)
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return 0;
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/* address matches network interface address exactly? */
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else if (netif->ip_addr.addr == addr1->addr)
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return 0;
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/* host identifier bits are all ones? => broadcast address */
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else if (~netif->netmask.addr & addr1->addr ==
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~netif->netmask.addr & ip_addr_broadcast.ip_addr)
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return 1;
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else
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return 0;
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}
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2004-03-11 20:52:25 +00:00
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#endif
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