(null_if_print): actually examine the IP version. From

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diff --git a/print-null.c b/print-null.c
index f5b032273a6e0e10e4ea08de26ff3c30c27077b8..96d83cdcbb7f854cac86a64376716c258b0ed9e0 100644 (file)
--- a/print-null.c
+++ b/print-null.c
@@ -21,7 +21,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-null.c,v 1.26 1999-10-30 05:11:18 itojun Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-null.c,v 1.27 1999-11-21 03:48:05 assar Exp $ (LBL)";
 #endif
 
 #include <sys/param.h>
@@ -123,14 +123,19 @@ null_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
        if (eflag)
                null_print(p, ip, length);
 
-#ifndef INET6
-       ip_print((const u_char *)ip, length);
-#else
-       if (ip->ip_v == IPVERSION)
-               ip_print((const u_char *)ip, length);
-       else if (ip->ip_v == 6)
-               ip6_print((const u_char *)ip, length);
-#endif /*INET6*/
+       switch (ip->ip_v) {
+       case 4 :
+               ip_print((const void *)ip, length);
+               break;
+#ifdef INET6
+       case 6:
+               ipv6_print((const void *)ip, length);
+               break;
+#endif /* INET6 */
+       default :
+               printf("ip v%d", ip->ip_v);
+               break;
+       }
 
        if (xflag)
                default_print((const u_char *)ip, caplen - NULL_HDRLEN);