diff -r 5f819b90d479 -r 99b265e0d1d0 misc/libphysfs/lzma/CS/7zip/Common/InBuffer.cs
--- a/misc/libphysfs/lzma/CS/7zip/Common/InBuffer.cs	Thu Oct 11 23:43:31 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,72 +0,0 @@
-// InBuffer.cs
-
-namespace SevenZip.Buffer
-{
-	public class InBuffer
-	{
-		byte[] m_Buffer;
-		uint m_Pos;
-		uint m_Limit;
-		uint m_BufferSize;
-		System.IO.Stream m_Stream;
-		bool m_StreamWasExhausted;
-		ulong m_ProcessedSize;
-
-		public InBuffer(uint bufferSize)
-		{
-			m_Buffer = new byte[bufferSize];
-			m_BufferSize = bufferSize;
-		}
-
-		public void Init(System.IO.Stream stream)
-		{
-			m_Stream = stream;
-			m_ProcessedSize = 0;
-			m_Limit = 0;
-			m_Pos = 0;
-			m_StreamWasExhausted = false;
-		}
-
-		public bool ReadBlock()
-		{
-			if (m_StreamWasExhausted)
-				return false;
-			m_ProcessedSize += m_Pos;
-			int aNumProcessedBytes = m_Stream.Read(m_Buffer, 0, (int)m_BufferSize);
-			m_Pos = 0;
-			m_Limit = (uint)aNumProcessedBytes;
-			m_StreamWasExhausted = (aNumProcessedBytes == 0);
-			return (!m_StreamWasExhausted);
-		}
-
-
-		public void ReleaseStream()
-		{
-			// m_Stream.Close(); 
-			m_Stream = null;
-		}
-
-		public bool ReadByte(byte b) // check it
-		{
-			if (m_Pos >= m_Limit)
-				if (!ReadBlock())
-					return false;
-			b = m_Buffer[m_Pos++];
-			return true;
-		}
-
-		public byte ReadByte()
-		{
-			// return (byte)m_Stream.ReadByte();
-			if (m_Pos >= m_Limit)
-				if (!ReadBlock())
-					return 0xFF;
-			return m_Buffer[m_Pos++];
-		}
-
-		public ulong GetProcessedSize()
-		{
-			return m_ProcessedSize + m_Pos;
-		}
-	}
-}