Method: FFI::Packets::Util.ipv4_ltoa

Defined in:
lib/ffi/packets/util.rb

.ipv4_ltoa(int) ⇒ Object

takes a 32-bit number and returns it as an IPv4 address string.



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# File 'lib/ffi/packets/util.rb', line 20

def Util.ipv4_ltoa(int)
  unless(int.is_a? Numeric and int <= 0xffffffff)
    raise(::ArgumentError, "not a long integer: #{int.inspect}")
  end
  ret = []
  4.times do 
    ret.unshift(int & 0xff)
    int >>= 8
  end
  ret.join('.')
end