[tcpdump-workers] IS-IS IP interface address decoder broken

[Hannes Gredler]

hi all,

during introduction of all the great boundary checking
that guy & gang did contribute, a tiny bug has corrupted
the IP interface address TLV decoder.

the attached patch corrects this bug;

/hannes


Index: print-isoclns.c
===================================================================
RCS file: /tcpdump/master/tcpdump/print-isoclns.c,v
retrieving revision 1.29
diff -u -r1.29 print-isoclns.c
--- print-isoclns.c     2001/10/16 06:09:01     1.29
+++ print-isoclns.c     2001/10/29 07:33:30
@@ -1267,11 +1267,12 @@
        case TLV_IPADDR:
            printf("IP Interface address(es) (%u)",len); 
            i=len;
+           tptr=pptr;
            while (i>0) {
-               if (!TTEST2(*pptr, 4))
+               if (!TTEST2(*tptr, 4))
                    goto trunctlv;
-               printf("\n\t\t\tIPv4 interface address: %s", ipaddr_string(pptr));
-               pptr += 4;
+               printf("\n\t\t\tIPv4 interface address: %s", ipaddr_string(tptr));
+               tptr += 4;
                i -= 4;
            }
            break;