+ return 1;
+}
+
+int calc_host_len(struct rtmsg *r)
+{
+ if (r->rtm_family == AF_INET6)
+ return 128;
+ else if (r->rtm_family == AF_INET)
+ return 32;
+ else if (r->rtm_family == AF_DECnet)
+ return 16;
+ else if (r->rtm_family == AF_IPX)
+ return 80;
+ else
+ return -1;
+}
+
+int print_route(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
+{
+ FILE *fp = (FILE*)arg;
+ struct rtmsg *r = NLMSG_DATA(n);
+ int len = n->nlmsg_len;
+ struct rtattr * tb[RTA_MAX+1];
+ char abuf[256];
+ int host_len = -1;
+ __u32 table;
+ SPRINT_BUF(b1);
+ static int hz;
+
+ if (n->nlmsg_type != RTM_NEWROUTE && n->nlmsg_type != RTM_DELROUTE) {
+ fprintf(stderr, "Not a route: %08x %08x %08x\n",
+ n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
+ return 0;
+ }
+ if (filter.flushb && n->nlmsg_type != RTM_NEWROUTE)
+ return 0;
+ len -= NLMSG_LENGTH(sizeof(*r));
+ if (len < 0) {
+ fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
+ return -1;
+ }
+
+ host_len = calc_host_len(r);
+
+ parse_rtattr(tb, RTA_MAX, RTM_RTA(r), len);
+ table = rtm_get_table(r, tb);
+
+ if (!filter_nlmsg(n, tb, host_len))
+ return 0;
+