Correction - failed to interpret 136.170.32/21 correctly.

Sources/route/Makefile

@@ -22,7 +22,7 @@ RM=             remove
 WFLAGS=         fr~c~v
 WIPE=           -wipe
 
-CFLAGS=		-W -I$(INCLUDES) -c ${THROWBACK} -depend !Depend
+CFLAGS=		-pcc -I$(INCLUDES) -c ${THROWBACK} -depend !Depend
 
 OBJS=		o.${TARGET}
 

Sources/route/c/Route

@@ -784,12 +784,13 @@ newroute(argc, argv)
 }
 
 void
-inet_makenetandmask(net, sin)
-	u_long net;
+inet_makenetandmask(net, sin, bits)
+	u_long net, bits;
 	register struct sockaddr_in *sin;
 {
 	u_long addr, mask = 0;
 	register char *cp;
+printf("inet_makenetandmask(0x%lx, %p, %lu)\n", net, sin, bits);
 
 	rtm_addrs |= RTA_NETMASK;
 	if (net == 0)
@@ -814,6 +815,9 @@ inet_makenetandmask(net, sin)
 		else
 			mask = -1;
 	}
+	if (net != 0 && bits) {
+		mask = 0xffffffff << (32 - bits);
+	}
 	sin->sin_addr.s_addr = htonl(addr);
 	sin = &so_mask.sin;
 	sin->sin_addr.s_addr = htonl(mask);
@@ -856,7 +860,7 @@ getaddr(which, s, hpp)
 	case RTA_GATEWAY:
 		su = &so_gate;
 		if (iflag) {
-			#define MAX_IFACES	400
+#			define MAX_IFACES	400
 			int			sock;
 			struct ifreq		iflist[MAX_IFACES];
 			struct ifconf		ifconf;