/// <summary> /// Copy from input manipulator to internal window /// </summary> /// <param name="input">source of data</param> /// <param name="length">length of data to copy</param> /// <returns>the number of bytes copied</returns> public int CopyStored(StreamManipulator input, int length) { length = Math.Min(Math.Min(length, WindowSize - windowFilled), input.AvailableBytes); int copied; int tailLen = WindowSize - windowEnd; if (length > tailLen) { copied = input.CopyBytes(window, windowEnd, tailLen); if (copied == tailLen) { copied += input.CopyBytes(window, 0, length - tailLen); } } else { copied = input.CopyBytes(window, windowEnd, length); } windowEnd = (windowEnd + copied) & WindowMask; windowFilled += copied; return copied; }