Module: FFI::Library

Included in:
ExecutableMemoryPointer::C
Defined in:
lib/ffi/extra.rb

Instance Method Summary collapse

Instance Method Details

#attach_function!(*args, &block) ⇒ Object 



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# File 'lib/ffi/extra.rb', line 65

def attach_function! (*args, &block)
	begin
		attach_function(*args, &block)
	rescue Exception => e
		false
	end
end

#ffi_lib_add(*names) ⇒ Object 



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# File 'lib/ffi/extra.rb', line 41

def ffi_lib_add (*names)
	ffi_lib *((begin
		ffi_libraries
	rescue Exception
		[]
	end).map {|lib|
		lib.name
	} + names).compact.uniq.reject {|lib|
		lib == '[current process]'
	}
end

#has_function?(sym, libraries = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ffi/extra.rb', line 53

def has_function? (sym, libraries=nil)
	libraries ||= ffi_libraries

	libraries.any? {|lib|
		if lib.is_a?(DynamicLibrary)
			lib
		else
			DynamicLibrary.new(lib, 0)
		end.find_function(sym.to_s) rescue nil
	}
end