endian.rb

# From http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/256730
module Endian
  def self.big?
    endianness == :big
  end

  def self.little?
    endianness == :little
  end

  def self.endianness
    x = 0xdeadbeef

    endian_type = {
      Array(x).pack("V*") => :little,
      Array(x).pack("N*") => :big
    }
      
    endian_type[Array(x).pack("L*")]
  end
end