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lib/socket.h
103	103	#define SKF_LADDR_RX 0x04 /* Report local address for RX packets */
104	104	#define SKF_TTL_RX 0x08 /* Report TTL / Hop Limit for RX packets */
105	105	#define SKF_BIND 0x10 /* Bind datagram socket to given source address */
	106	#define SKF_HIGH_PORT 0x20 /* Choose port from high range if possible */
106	107
107	108	#define SKF_THREAD 0x100 /* Socked used in thread, Do not add to main loop */
108	109	#define SKF_TRUNCATED 0x200 /* Received packet was truncated, set by IO layer */

       sk->tos = IP_PREC_INTERNET_CONTROL;
       sk->priority = sk_priority_control;
       sk->ttl = ifa ? 255 : -1;
       sk->flags = SKF_THREAD | SKF_BIND;
       sk->flags = SKF_THREAD | SKF_BIND | SKF_HIGH_PORT;
     #ifdef IPV6
       sk->flags |= SKF_V6ONLY;

         log(L_ERR "SOCK: Incoming connection: %s%#m", t->err);
         /* FIXME: handle it better in rfree() */
         close(t->fd);
         close(t->fd);
         t->fd = -1;
         rfree(t);
         return 1;
-...
         bind_addr = s->saddr;
         do_bind = bind_port || ipa_nonzero(bind_addr);
         break;
       case SK_UDP:
         fd = socket(af, SOCK_DGRAM, IPPROTO_UDP);
         bind_port = s->sport;
-...
+          }
     #endif
+        }
     #ifdef IP_PORTRANGE
         else if (s->flags & SKF_HIGH_PORT)
+        {
           int range = IP_PORTRANGE_HIGH;
           if (setsockopt(fd, IPPROTO_IP, IP_PORTRANGE, &range, sizeof(range)) < 0)
             log(L_WARN "Socket error: %s%#m", "IP_PORTRANGE");
+        }
     #endif
         sockaddr_fill(&sa, af, bind_addr, s->iface, bind_port);
         if (bind(fd, &sa.sa, SA_LEN(sa)) < 0)
-...
      redo:
       rv = select(s->fd+1, &rd, &wr, NULL, &timo);
       if ((rv < 0) && (errno == EINTR || errno == EAGAIN))
         goto redo;
-...
         die("I found another BIRD running.");
       close(fd);
+    }

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