# File lib/gettext/mofile.rb, line 190
    def hash_string(str)
      hval = 0
      i = 0
      str.each_byte do |b|
        break if b == '\0'
        hval <<= 4
        hval += b.to_i
        g = hval & (0xf << (HASHWORDBITS - 4))
        if (g != 0)
          hval ^= g >> (HASHWORDBITS - 8)
          hval ^= g
        end
      end
      hval
    end