# File lib/net/dns/names.rb, line 86 def dn_comp(name,offset,compnames) names = {} ptr = 0 str = "" arr = names_array(name) arr.each do |entry| if compnames.has_key?(entry) ptr = 0xC000 | compnames[entry] str += [ptr].pack("n") offset += INT16SZ break else len = entry.unpack("C")[0] elem = entry[1..len] str += [len,elem].pack("Ca*") names.update({"#{entry}" => offset}) offset += len end end return str,offset,names end