Upgrade to tcpdump 4.7.4.

Bug: http://b/24902618
Change-Id: I7c3605015d90453b0a8c339b1774e285796f8775
diff --git a/print-frag6.c b/print-frag6.c
index e125bd3..1290952 100644
--- a/print-frag6.c
+++ b/print-frag6.c
@@ -19,11 +19,7 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
-#ifndef lint
-static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-frag6.c,v 1.20 2005-04-20 22:33:06 guy Exp $";
-#endif
-
+#define NETDISSECT_REWORKED
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -32,16 +28,12 @@
 
 #include <tcpdump-stdinc.h>
 
-#include <stdio.h>
-
 #include "ip6.h"
-
 #include "interface.h"
-#include "addrtoname.h"
 #include "extract.h"
 
 int
-frag6_print(register const u_char *bp, register const u_char *bp2)
+frag6_print(netdissect_options *ndo, register const u_char *bp, register const u_char *bp2)
 {
 	register const struct ip6_frag *dp;
 	register const struct ip6_hdr *ip6;
@@ -49,34 +41,31 @@
 	dp = (const struct ip6_frag *)bp;
 	ip6 = (const struct ip6_hdr *)bp2;
 
-	TCHECK(dp->ip6f_offlg);
+	ND_TCHECK(dp->ip6f_offlg);
 
-	if (vflag) {
-		printf("frag (0x%08x:%d|%ld)",
+	if (ndo->ndo_vflag) {
+		ND_PRINT((ndo, "frag (0x%08x:%d|%ld)",
 		       EXTRACT_32BITS(&dp->ip6f_ident),
 		       EXTRACT_16BITS(&dp->ip6f_offlg) & IP6F_OFF_MASK,
 		       sizeof(struct ip6_hdr) + EXTRACT_16BITS(&ip6->ip6_plen) -
-			       (long)(bp - bp2) - sizeof(struct ip6_frag));
+			       (long)(bp - bp2) - sizeof(struct ip6_frag)));
 	} else {
-		printf("frag (%d|%ld)",
+		ND_PRINT((ndo, "frag (%d|%ld)",
 		       EXTRACT_16BITS(&dp->ip6f_offlg) & IP6F_OFF_MASK,
 		       sizeof(struct ip6_hdr) + EXTRACT_16BITS(&ip6->ip6_plen) -
-			       (long)(bp - bp2) - sizeof(struct ip6_frag));
+			       (long)(bp - bp2) - sizeof(struct ip6_frag)));
 	}
 
-#if 1
 	/* it is meaningless to decode non-first fragment */
 	if ((EXTRACT_16BITS(&dp->ip6f_offlg) & IP6F_OFF_MASK) != 0)
 		return -1;
 	else
-#endif
 	{
-		fputs(" ", stdout);
+		ND_PRINT((ndo, " "));
 		return sizeof(struct ip6_frag);
 	}
 trunc:
-	fputs("[|frag]", stdout);
+	ND_PRINT((ndo, "[|frag]"));
 	return -1;
-#undef TCHECK
 }
 #endif /* INET6 */