Module: Rufus::Tokyo::ListMapMixin

Included in:
List, Map
Defined in:
lib/rufus/tokyo/cabinet/util.rb

Overview

:nodoc:

Instance Method Summary collapse

Instance Method Details

#clib ⇒ Object

A shortcut



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# File 'lib/rufus/tokyo/cabinet/util.rb', line 38

def clib

  CabinetLib
end

#outlen_op(method, *args) ⇒ Object 



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# File 'lib/rufus/tokyo/cabinet/util.rb', line 55

def outlen_op (method, *args)

  args.unshift(pointer_or_raise)

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

  out = clib.send(method, *args)

  return nil if out.address == 0

  out.get_bytes(0, outlen.get_int(0))

ensure

  outlen.free

  #clib.free(out)
    # uncommenting that wreaks havoc
end

#pointer ⇒ Object

Returns the underlying ‘native’ (FFI) memory pointer



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# File 'lib/rufus/tokyo/cabinet/util.rb', line 45

def pointer

  @pointer
end

#pointer_or_raise ⇒ Object 



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# File 'lib/rufus/tokyo/cabinet/util.rb', line 50

def pointer_or_raise

  @pointer || raise("#{self.class} got freed, cannot use anymore")
end