diff -r 000000000000 -r 6474c204b198 other-licenses/7zstub/src/7zip/Common/LimitedStreams.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/other-licenses/7zstub/src/7zip/Common/LimitedStreams.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,24 @@
+// LimitedStreams.cpp
+
+#include "StdAfx.h"
+
+#include "LimitedStreams.h"
+#include "../../Common/Defs.h"
+
+void CLimitedSequentialInStream::Init(ISequentialInStream *stream, UInt64 streamSize)
+{
+  _stream = stream;
+  _size = streamSize;
+}
+
+STDMETHODIMP CLimitedSequentialInStream::Read(void *data, UInt32 size, UInt32 *processedSize)
+{
+  UInt32 processedSizeReal;
+  UInt32 sizeToRead = UInt32(MyMin(_size, UInt64(size)));
+  HRESULT result = _stream->Read(data, sizeToRead, &processedSizeReal);
+  _size -= processedSizeReal;
+  if(processedSize != NULL)
+    *processedSize = processedSizeReal;
+  return result;
+}
+