Module: Rufus::Tokyo::Outlen

Included in:
Cabinet, TyrantTable
Defined in:
lib/rufus/tokyo/outlen.rb

Instance Method Summary collapse

Instance Method Details

#outlen_op(method, *args) ⇒ Object

A wrapper for library returning a string (binary data potentially)



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# File 'lib/rufus/tokyo/outlen.rb', line 30

def outlen_op (method, *args)

  args.unshift(@db)

  outlen = FFI::MemoryPointer.new(:int)
  args << outlen

  out = lib.send(method, *args)

  return nil if out.address == 0
  return out.get_bytes(0, outlen.get_int(0))
ensure
  outlen.free
end