auto import from //depot/cupcake/@135843
diff --git a/print-igrp.c b/print-igrp.c
new file mode 100644
index 0000000..898471d
--- /dev/null
+++ b/print-igrp.c
@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 1996, 1997
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University nor the names of its contributors may be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Initial contribution from Francis Dupont (francis.dupont@inria.fr)
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-igrp.c,v 1.20.2.1 2005/04/20 21:02:15 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+#include "igrp.h"
+#include "ip.h"
+#include "extract.h" /* must come after interface.h */
+
+static void
+igrp_entry_print(register struct igrprte *igr, register int is_interior,
+ register int is_exterior)
+{
+ register u_int delay, bandwidth;
+ u_int metric, mtu;
+
+ if (is_interior)
+ printf(" *.%d.%d.%d", igr->igr_net[0],
+ igr->igr_net[1], igr->igr_net[2]);
+ else if (is_exterior)
+ printf(" X%d.%d.%d.0", igr->igr_net[0],
+ igr->igr_net[1], igr->igr_net[2]);
+ else
+ printf(" %d.%d.%d.0", igr->igr_net[0],
+ igr->igr_net[1], igr->igr_net[2]);
+
+ delay = EXTRACT_24BITS(igr->igr_dly);
+ bandwidth = EXTRACT_24BITS(igr->igr_bw);
+ metric = bandwidth + delay;
+ if (metric > 0xffffff)
+ metric = 0xffffff;
+ mtu = EXTRACT_16BITS(igr->igr_mtu);
+
+ printf(" d=%d b=%d r=%d l=%d M=%d mtu=%d in %d hops",
+ 10 * delay, bandwidth == 0 ? 0 : 10000000 / bandwidth,
+ igr->igr_rel, igr->igr_ld, metric,
+ mtu, igr->igr_hct);
+}
+
+static struct tok op2str[] = {
+ { IGRP_UPDATE, "update" },
+ { IGRP_REQUEST, "request" },
+ { 0, NULL }
+};
+
+void
+igrp_print(register const u_char *bp, u_int length, const u_char *bp2 _U_)
+{
+ register struct igrphdr *hdr;
+ register u_char *cp;
+ u_int nint, nsys, next;
+
+ hdr = (struct igrphdr *)bp;
+ cp = (u_char *)(hdr + 1);
+ (void)printf("igrp:");
+
+ /* Header */
+ TCHECK(*hdr);
+ nint = EXTRACT_16BITS(&hdr->ig_ni);
+ nsys = EXTRACT_16BITS(&hdr->ig_ns);
+ next = EXTRACT_16BITS(&hdr->ig_nx);
+
+ (void)printf(" %s V%d edit=%d AS=%d (%d/%d/%d)",
+ tok2str(op2str, "op-#%d", IGRP_OP(hdr->ig_vop)),
+ IGRP_V(hdr->ig_vop),
+ hdr->ig_ed,
+ EXTRACT_16BITS(&hdr->ig_as),
+ nint,
+ nsys,
+ next);
+
+ length -= sizeof(*hdr);
+ while (length >= IGRP_RTE_SIZE) {
+ if (nint > 0) {
+ TCHECK2(*cp, IGRP_RTE_SIZE);
+ igrp_entry_print((struct igrprte *)cp, 1, 0);
+ --nint;
+ } else if (nsys > 0) {
+ TCHECK2(*cp, IGRP_RTE_SIZE);
+ igrp_entry_print((struct igrprte *)cp, 0, 0);
+ --nsys;
+ } else if (next > 0) {
+ TCHECK2(*cp, IGRP_RTE_SIZE);
+ igrp_entry_print((struct igrprte *)cp, 0, 1);
+ --next;
+ } else {
+ (void)printf(" [extra bytes %d]", length);
+ break;
+ }
+ cp += IGRP_RTE_SIZE;
+ length -= IGRP_RTE_SIZE;
+ }
+ if (nint == 0 && nsys == 0 && next == 0)
+ return;
+trunc:
+ fputs(" [|igrp]", stdout);
+}