udp: remove HAVE_INET6

Author: sreimers

src/udp/mcast.c

@@ -13,9 +13,7 @@ static int multicast_update(struct udp_sock *us, const struct sa *group,
 			    bool join)
 {
 	struct ip_mreq mreq;
-#ifdef HAVE_INET6
 	struct ipv6_mreq mreq6;
-#endif
 	int err;
 
 	if (!us || !group)
@@ -34,7 +32,6 @@ static int multicast_update(struct udp_sock *us, const struct sa *group,
 				     &mreq, sizeof(mreq));
 		break;
 
-#ifdef HAVE_INET6
 	case AF_INET6:
 		mreq6.ipv6mr_multiaddr = group->u.in6.sin6_addr;
 		mreq6.ipv6mr_interface = sa_scopeid(group);
@@ -45,7 +42,6 @@ static int multicast_update(struct udp_sock *us, const struct sa *group,
 				     : IPV6_LEAVE_GROUP,
 				     &mreq6, sizeof(mreq6));
 		break;
-#endif
 
 	default:
 		return EAFNOSUPPORT;

src/udp/udp.c

@@ -285,11 +285,7 @@ int udp_listen(struct udp_sock **usp, const struct sa *local,
 		(void)re_snprintf(serv, sizeof(serv), "%u", sa_port(local));
 	}
 	else {
-#ifdef HAVE_INET6
 		af = AF_UNSPEC;
-#else
-		af = AF_INET;
-#endif
 	}
 
 	memset(&hints, 0, sizeof(hints));