diff -r 000000000000 -r 6474c204b198 other-licenses/7zstub/src/7zip/Common/ProgressUtils.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/other-licenses/7zstub/src/7zip/Common/ProgressUtils.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,58 @@
+// ProgressUtils.h
+
+#include "StdAfx.h"
+
+#include "ProgressUtils.h"
+
+void CLocalCompressProgressInfo::Init(ICompressProgressInfo *progress,
+    const UInt64 *inStartValue, const UInt64 *outStartValue)
+{
+  _progress = progress;
+  _inStartValueIsAssigned = (inStartValue != NULL);
+  if (_inStartValueIsAssigned)
+    _inStartValue = *inStartValue;
+  _outStartValueIsAssigned = (outStartValue != NULL);
+  if (_outStartValueIsAssigned)
+    _outStartValue = *outStartValue;
+}
+
+STDMETHODIMP CLocalCompressProgressInfo::SetRatioInfo(
+    const UInt64 *inSize, const UInt64 *outSize)
+{
+  UInt64 inSizeNew, outSizeNew;
+  const UInt64 *inSizeNewPointer;
+  const UInt64 *outSizeNewPointer;
+  if (_inStartValueIsAssigned && inSize != NULL)
+  {
+    inSizeNew = _inStartValue + (*inSize);
+    inSizeNewPointer = &inSizeNew;
+  }
+  else
+    inSizeNewPointer = NULL;
+
+  if (_outStartValueIsAssigned && outSize != NULL)
+  {
+    outSizeNew = _outStartValue + (*outSize);
+    outSizeNewPointer = &outSizeNew;
+  }
+  else
+    outSizeNewPointer = NULL;
+  return _progress->SetRatioInfo(inSizeNewPointer, outSizeNewPointer);
+}
+
+
+///////////////////////////////////
+// 
+
+void CLocalProgress::Init(IProgress *progress, bool inSizeIsMain)
+{
+  _progress = progress;
+  _inSizeIsMain = inSizeIsMain;
+}
+
+STDMETHODIMP CLocalProgress::SetRatioInfo(
+    const UInt64 *inSize, const UInt64 *outSize)
+{
+  return _progress->SetCompleted(_inSizeIsMain ? inSize : outSize);
+}
+