/// <exception cref="System.IO.IOException"/>
private int _readMore(Sharpen.InputStream @in, byte[] readBuffer, int inputPtr, int
inputEnd, int maxRead)
{
// anything to shift to front?
int i = 0;
while (inputPtr < inputEnd)
{
readBuffer[i++] = readBuffer[inputPtr++];
}
inputPtr = 0;
inputEnd = i;
maxRead = System.Math.min(maxRead, readBuffer.Length);
do
{
int length = maxRead - inputEnd;
if (length == 0)
{
break;
}
int count = @in.read(readBuffer, inputEnd, length);
if (count < 0)
{
return inputEnd;
}
inputEnd += count;
}
while (inputEnd < 3);
return inputEnd;
}
