- further fixes of inccorect overflow errors for int (and long on LLP64 systems) * prev commit had bugs * added overflow tests for also int, long, long long (for both, lp64 and llp64) - while at it, fixing a reference leak when not using python with utf8 caching

require "dynport"
dynport("stdlib")

function checkmalloc(size)
  local ptr = malloc(size)
  if ptr == NULL then
    print("FAILED")
  else
    print("SUCCESS",ptr)
  end
end
checkmalloc(-1)
checkmalloc(0)
checkmalloc(10)