1 files changed, 69 insertions, 0 deletions
diff --git a/src/libs/7zip/unix/CPP/Windows/COM.h b/src/libs/7zip/unix/CPP/Windows/COM.h
new file mode 100644
index 000000000..506bbbc64
--- /dev/null
+++ b/src/libs/7zip/unix/CPP/Windows/COM.h
@@ -0,0 +1,69 @@
+// Windows/COM.h
+
+#ifndef __WINDOWS_COM_H
+#define __WINDOWS_COM_H
+
+#include "Common/MyString.h"
+
+namespace NWindows {
+namespace NCOM {
+
+#ifdef _WIN32
+  
+class CComInitializer
+{
+public:
+  CComInitializer()
+  {
+    #ifdef UNDER_CE
+    CoInitializeEx(NULL, COINIT_MULTITHREADED);
+    #else
+    // it's single thread. Do we need multithread?
+    CoInitialize(NULL);
+    #endif
+  };
+  ~CComInitializer() { CoUninitialize(); };
+};
+
+class CStgMedium
+{
+  STGMEDIUM _object;
+public:
+  bool _mustBeReleased;
+  CStgMedium(): _mustBeReleased(false) {}
+  ~CStgMedium() { Free(); }
+  void Free()
+  {
+    if (_mustBeReleased)
+      ReleaseStgMedium(&_object);
+    _mustBeReleased = false;
+  }
+  const STGMEDIUM* operator->() const { return &_object;}
+  STGMEDIUM* operator->() { return &_object;}
+  STGMEDIUM* operator&() { return &_object; }
+};
+
+#endif
+
+//////////////////////////////////
+// GUID <--> String Conversions
+UString GUIDToStringW(REFGUID guid);
+AString GUIDToStringA(REFGUID guid);
+#ifdef UNICODE
+  #define GUIDToString GUIDToStringW
+#else
+  #define GUIDToString GUIDToStringA
+#endif
+
+HRESULT StringToGUIDW(const wchar_t *string, GUID &classID);
+HRESULT StringToGUIDA(const char *string, GUID &classID);
+#ifdef UNICODE
+  #define StringToGUID StringToGUIDW
+#else
+  #define StringToGUID StringToGUIDA
+#endif
+
+  
+}}
+
+#endif