method

import_function

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import_function(name, ctype, argtype, call_type = nil) public

Returns a new Fiddle::Function instance at the memory address of the given name function.

Raises a DLError if the name doesn’t exist.

argtype is an Array of arguments, passed to the name function.
ctype is the return type of the function
call_type is the ABI of the function

See also Fiddle:Function.new

See Fiddle::CompositeHandler.sym and Fiddle::Handler.sym

Show source

# File ext/fiddle/lib/fiddle/import.rb, line 292
    def import_function(name, ctype, argtype, call_type = nil)
      addr = handler.sym(name)
      if( !addr )
        raise(DLError, "cannot find the function: #{name}()")
      end
      Function.new(addr, argtype, ctype, CALL_TYPE_TO_ABI[call_type],
                   name: name)
    end

import_function

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