/* goodG2B() - use goodsource and badsink */
public static void GoodG2BSink(CWE191_Integer_Underflow__Long_console_ReadLine_multiply_67a.Container dataContainer)
{
long data = dataContainer.containerOne;
if (data < 0) /* ensure we won't have an overflow */
{
/* POTENTIAL FLAW: if (data * 2) < long.MinValue, this will underflow */
long result = (long)(data * 2);
IO.WriteLine("result: " + result);
}
}
/* goodB2G() - use badsource and goodsink */
public static void GoodB2GSink(CWE191_Integer_Underflow__Long_console_ReadLine_multiply_67a.Container dataContainer)
{
long data = dataContainer.containerOne;
if (data < 0) /* ensure we won't have an overflow */
{
/* FIX: Add a check to prevent an underflow from occurring */
if (data > (long.MinValue / 2))
{
long result = (long)(data * 2);
IO.WriteLine("result: " + result);
}
else
{
IO.WriteLine("data value is too small to perform multiplication.");
}
}
}
