Method: Spider::SecureRandom.lastWin32ErrorMessage

Defined in:
lib/spiderfw/utils/secure_random.rb

.lastWin32ErrorMessage ⇒ Object

Following code is based on David Garamond’s GUID library for Ruby.



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# File 'lib/spiderfw/utils/secure_random.rb', line 210

def self.lastWin32ErrorMessage # :nodoc:
  get_last_error = Win32API.new("kernel32", "GetLastError", '', 'L')
  format_message = Win32API.new("kernel32", "FormatMessageA", 'LPLLPLPPPPPPPP', 'L')
  format_message_ignore_inserts = 0x00000200
  format_message_from_system    = 0x00001000

  code = get_last_error.call
  msg = "\0" * 1024
  len = format_message.call(format_message_ignore_inserts + format_message_from_system, 0, code, 0, msg, 1024, nil, nil, nil, nil, nil, nil, nil, nil)
  msg[0, len].tr("\r", '').chomp
end