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Added replacement for ip_addr_isbroadcast() macro, code is dead for review and testing (#if 0).

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likewise 2004-02-24 21:59:17 +00:00
parent e85a892111
commit ed4c5d88a3
1 changed files with 31 additions and 0 deletions
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31
src/core/ipv4/ip_addr.c
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@ -36,3 +36,34 @@
/* used by IP_ADDR_ANY and IP_ADDR_BROADCAST in ip_addr.h */
const struct ip_addr ip_addr_any = { 0x00000000UL };
const struct ip_addr ip_addr_broadcast = { 0xffffffffUL };
/* work in progress - meant to replace ip_addr.h macro
* as it does not support non-broadcast interfaces.
* lwip-devel 18-2-2004
*/
#if 0
#include "lwip/netif.h"
bool ip_addr_isbroadcast(ip_addr *addr1, struct netif *netif)
bool ip_addr_isbroadcast(addr1, netif)
{
/* all ones (broadcast) or all zeroes (old skool broadcast) */
if (addr1->addr == ip_addr_broadcast.ip_addr) ||
addr1->addr == ip_addr_any.ip_addr))
return 1;
/* no broadcast support on this network interface
* we cannot proceed matching against broadcast addresses */
else if (netif->flags &= NETIF_FLAG_BROADCAST == 0)
return 0;
/* address matches network interface address exactly? */
else if (netif->ip_addr.addr == addr1->addr)
return 0;
/* host identifier bits are all ones? => broadcast address */
else if (~netif->netmask.addr & addr1->addr ==
~netif->netmask.addr & ip_addr_broadcast.ip_addr)
return 1;
else
return 0;
}
#endif