Method: S3SwfUpload::Signature#safe_add

Defined in:
lib/s3_swf_upload/signature.rb

#safe_add(x, y) ⇒ Object

Add integers, wrapping at 2^32. This uses 16-bit operations internally to work around bugs in some JS interpreters.


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# File 'lib/s3_swf_upload/signature.rb', line 126

def safe_add(x, y)
  v = (x+y) % (2**32)
  return v > 2**31 ? v- 2**32 : v
end