Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/rqtrotate/extensions.rb

Overview

ruby’s pack can’t build signed big-endian longs (although I’m going to submit a patch to ruby-core to do so). this method compensates for that.

Instance Method Summary collapse

Instance Method Details

#signed_bigendian_pack ⇒ Object 



41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/rqtrotate/extensions.rb', line 41

def signed_bigendian_pack()
  if [1, 0].pack("N*") == [1, 0].pack("L*")
    pack('c*')     
  else
    result = ''

    each do |i|
      br = ''

      4.times do
        br << (i & 0xFF)
        i >>= 8
      end

      result << br.reverse! 
    end
    
    result
  end
end