module Zip
  # placeholder to reserve space for a Zip64 extra information record, for the
  # local file header only, that we won't know if we'll need until after
  # we write the file data
  class ExtraField::Zip64Placeholder < ExtraField::Generic
    HEADER_ID = ['9999'].pack('H*') # this ID is used by other libraries such as .NET's Ionic.zip
    register_map

    def initialize(_binstr = nil)
    end

    def pack_for_local
      "\x00" * 16
    end
  end
end