use ab.slice(start, end) instead of ui8 array for rdata

dns.type.a.js

@@ -4,7 +4,7 @@
 // An 'A' record is a 32-bit value representing the IP address
 
 exports.DNS_TYPE_A = function (ab, packet, record) {
-  var ui8 = record.rdata;
+  var ui8 = new Uint8Array(ab.slice(record.rdstart, record.rdstart + record.rdlength));
   // i.e. 127.0.0.1
 
   return ui8[0] + '.' + ui8[1] + '.' + ui8[2] + '.' + ui8[3];

pure-parser.js

@@ -125,7 +125,7 @@ pdns.unpack = function (ab) {
     , cpcount: 0
 
     , rdstart: 0
-    , rdata: 0
+    //, rdata: 0
     , rdlength: 0
     });
     //console.log('unpackAnswer QNAME:');
@@ -157,12 +157,12 @@ pdns.unpack = function (ab) {
 
     // TODO actually parse RDATA
     q.rdstart = total;
-    q.rdata = new Uint8Array(ab).slice(total, total + q.rdlength);
     console.log('q.rdata', q.rdata.byteLength, 'bytes:');
-    console.log(q.rdata);
+    console.log(new Uint8Array(ab).slice(total, total + q.rdlength));
     //q.rdata = Array.prototype.slice.apply(q.rdata);
 
     total += q.rdlength;
+    //q.rdend = q.rdstart + q.rdlength;
 
     q.byteLength = total - ototal;
     return q;