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Added #if LWIP_UDP around udp_init() body, fixed bug where un-connected UDP PCBs did not always receive correct datagram

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This commit is contained in:
adamdunkels 2002-10-23 19:44:32 +00:00
parent 6cb3ae7d7f
commit 28832ba9c2
1 changed files with 4 additions and 1 deletions
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5
src/core/udp.c
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@ -67,7 +67,9 @@ int udp_debug_print(struct udp_hdr *udphdr);
void
udp_init(void)
{
#if LWIP_UDP
udp_pcbs = pcb_cache = NULL;
#endif /* LWIP_UDP */
}
#if LWIP_UDP
@ -117,7 +119,8 @@ udp_lookup(struct ip_hdr *iphdr, struct netif *inp)
if(pcb == NULL) {
for(pcb = udp_pcbs; pcb != NULL; pcb = pcb->next) {
if(pcb->local_port == dest &&
if(pcb->remote_port == 0 &&
pcb->local_port == dest &&
(ip_addr_isany(&pcb->remote_ip) ||
ip_addr_cmp(&(pcb->remote_ip), &(iphdr->src))) &&
(ip_addr_isany(&pcb->local_ip) ||