diff -r 5f819b90d479 -r 99b265e0d1d0 misc/libphysfs/lzma/CS/7zip/Compress/LZ/LzOutWindow.cs
--- a/misc/libphysfs/lzma/CS/7zip/Compress/LZ/LzOutWindow.cs	Thu Oct 11 23:43:31 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,110 +0,0 @@
-// LzOutWindow.cs
-
-namespace SevenZip.Compression.LZ
-{
-	public class OutWindow
-	{
-		byte[] _buffer = null;
-		uint _pos;
-		uint _windowSize = 0;
-		uint _streamPos;
-		System.IO.Stream _stream;
-
-		public uint TrainSize = 0;
-
-		public void Create(uint windowSize)
-		{
-			if (_windowSize != windowSize)
-			{
-				// System.GC.Collect();
-				_buffer = new byte[windowSize];
-			}
-			_windowSize = windowSize;
-			_pos = 0;
-			_streamPos = 0;
-		}
-
-		public void Init(System.IO.Stream stream, bool solid)
-		{
-			ReleaseStream();
-			_stream = stream;
-			if (!solid)
-			{
-				_streamPos = 0;
-				_pos = 0;
-				TrainSize = 0;
-			}
-		}
-	
-		public bool Train(System.IO.Stream stream)
-		{
-			long len = stream.Length;
-			uint size = (len < _windowSize) ? (uint)len : _windowSize;
-			TrainSize = size;
-			stream.Position = len - size;
-			_streamPos = _pos = 0;
-			while (size > 0)
-			{
-				uint curSize = _windowSize - _pos;
-				if (size < curSize)
-					curSize = size;
-				int numReadBytes = stream.Read(_buffer, (int)_pos, (int)curSize);
-				if (numReadBytes == 0)
-					return false;
-				size -= (uint)numReadBytes;
-				_pos += (uint)numReadBytes;
-				_streamPos += (uint)numReadBytes;
-				if (_pos == _windowSize)
-					_streamPos = _pos = 0;
-			}
-			return true;
-		}
-
-		public void ReleaseStream()
-		{
-			Flush();
-			_stream = null;
-		}
-
-		public void Flush()
-		{
-			uint size = _pos - _streamPos;
-			if (size == 0)
-				return;
-			_stream.Write(_buffer, (int)_streamPos, (int)size);
-			if (_pos >= _windowSize)
-				_pos = 0;
-			_streamPos = _pos;
-		}
-
-		public void CopyBlock(uint distance, uint len)
-		{
-			uint pos = _pos - distance - 1;
-			if (pos >= _windowSize)
-				pos += _windowSize;
-			for (; len > 0; len--)
-			{
-				if (pos >= _windowSize)
-					pos = 0;
-				_buffer[_pos++] = _buffer[pos++];
-				if (_pos >= _windowSize)
-					Flush();
-			}
-		}
-
-		public void PutByte(byte b)
-		{
-			_buffer[_pos++] = b;
-			if (_pos >= _windowSize)
-				Flush();
-		}
-
-		public byte GetByte(uint distance)
-		{
-			uint pos = _pos - distance - 1;
-			if (pos >= _windowSize)
-				pos += _windowSize;
-			return _buffer[pos];
-		}
-	}
-}