diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/7zip/UI/Common/SetProperties.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/UI/Common/SetProperties.cpp	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,65 @@
+// SetProperties.cpp
+
+#include "StdAfx.h"
+
+#include "SetProperties.h"
+
+#include "Windows/PropVariant.h"
+#include "Common/MyString.h"
+#include "Common/StringToInt.h"
+#include "Common/MyCom.h"
+
+#include "../../Archive/IArchive.h"
+
+using namespace NWindows;
+using namespace NCOM;
+
+static void ParseNumberString(const UString &s, NCOM::CPropVariant &prop)
+{
+  const wchar_t *endPtr;
+  UInt64 result = ConvertStringToUInt64(s, &endPtr);
+  if (endPtr - (const wchar_t *)s != s.Length())
+    prop = s;
+  else if (result <= 0xFFFFFFFF)
+    prop = (UInt32)result;
+  else 
+    prop = result;
+}
+
+HRESULT SetProperties(IUnknown *unknown, const CObjectVector<CProperty> &properties)
+{
+  if (properties.IsEmpty())
+    return S_OK;
+  CMyComPtr<ISetProperties> setProperties;
+  unknown->QueryInterface(IID_ISetProperties, (void **)&setProperties);
+  if (!setProperties)
+    return S_OK;
+
+  UStringVector realNames;
+  CPropVariant *values = new CPropVariant[properties.Size()];
+  try
+  {
+    int i;
+    for(i = 0; i < properties.Size(); i++)
+    {
+      const CProperty &property = properties[i];
+      NCOM::CPropVariant propVariant;
+      if (!property.Value.IsEmpty())
+        ParseNumberString(property.Value, propVariant);
+      realNames.Add(property.Name);
+      values[i] = propVariant;
+    }
+    CRecordVector<const wchar_t *> names;
+    for(i = 0; i < realNames.Size(); i++)
+      names.Add((const wchar_t *)realNames[i]);
+    
+    RINOK(setProperties->SetProperties(&names.Front(), values, names.Size()));
+  }
+  catch(...)
+  {
+    delete []values;
+    throw;
+  }
+  delete []values;
+  return S_OK;
+}