bsd/net/if.c

1712 		u_int32_t ifdr_len;
1718 		bcopy(&ifdr->ifdr_len, &ifdr_len, sizeof (ifdr_len));
1719 		if (ifdr_len > sizeof (ifdr->ifdr_desc) ||
1720 		    ifdr_len > ifp->if_desc.ifd_maxlen) {
1727 		if ((ifp->if_desc.ifd_len = ifdr_len) > 0) {
1729 			    MIN(ifdr_len, ifp->if_desc.ifd_maxlen));
1737 		u_int32_t ifdr_len;
1740 		ifdr_len = MIN(ifp->if_desc.ifd_len, sizeof (ifdr->ifdr_desc));
1741 		bcopy(&ifdr_len, &ifdr->ifdr_len, sizeof (ifdr_len));
1743 		if (ifdr_len > 0) {
1744 			bcopy(ifp->if_desc.ifd_desc, ifdr->ifdr_desc, ifdr_len);