1 files changed, 16 insertions, 0 deletions
diff --git a/7zip/Archive/Zip/DllExports.cpp b/7zip/Archive/Zip/DllExports.cpp
index 0ecb3bcd..53d5a4b6 100755
--- a/7zip/Archive/Zip/DllExports.cpp
+++ b/7zip/Archive/Zip/DllExports.cpp
@@ -50,12 +50,28 @@ DEFINE_GUID(CLSID_CZipHandler,
   0x23170F69, 0x40C1, 0x278A, 0x10, 0x00, 0x00, 0x01, 0x10, 0x01, 0x00, 0x00);
 
 HINSTANCE g_hInstance;
+#ifndef _UNICODE
+bool g_IsNT = false;
+static bool IsItWindowsNT()
+{
+  OSVERSIONINFO versionInfo;
+  versionInfo.dwOSVersionInfoSize = sizeof(versionInfo);
+  if (!::GetVersionEx(&versionInfo)) 
+    return false;
+  return (versionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT);
+}
+#endif
 
 extern "C"
 BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
 {
   if (dwReason == DLL_PROCESS_ATTACH)
+  {
     g_hInstance = hInstance;
+    #ifndef _UNICODE
+    g_IsNT = IsItWindowsNT();
+    #endif
+  }
   return TRUE;
 }