static private uint GrabInts(uint radix, String buffer, int length,
ref int i, bool isUnsigned)
{
uint result = 0;
uint value;
uint maxVal;
#if DEBUG
if (!(radix == 2 || radix == 8 || radix == 10 || radix == 16))
{
VTable.DebugBreak();
}
#endif
// Allow all non-decimal numbers to set the sign bit.
if (radix == 10 && !isUnsigned)
{
maxVal = (0x7FFFFFFF / 10);
while (i < length && IsDigit(buffer[i], radix, out value))
{
// Read all of the digits and convert to a number
// Check for overflows - this is sufficient & correct.
if (result > maxVal || ((int)result) < 0)
{
throw new OverflowException("Overflow_Int32");
}
result = result * radix + value;
i++;
}
if ((int)result < 0 && result != 0x80000000)
{
throw new OverflowException("Overflow_Int32");
}
}
else
{
maxVal = UInt32.MaxValue / radix;
while (i < length && IsDigit(buffer[i], radix, out value))
{
// Read all of the digits and convert to a number
// Check for overflows - this is sufficient & correct.
if (result > maxVal)
{
throw new OverflowException("Overflow_UInt32");
}
result = result * radix + value;
i++;
}
}
return(result);
}
internal static void FixedFree(IntPtr handle)
{
VTable.DebugBreak();
}
//////////////////////////////////////////////////////////////////////
//
internal static IntPtr FixedAlloc(int sizetdwBytes)
{
VTable.DebugBreak();
return(IntPtr.Zero);
}