1 files changed, 93 insertions, 0 deletions
diff --git a/lib/ShadowCopy/shadow.h b/lib/ShadowCopy/shadow.h
new file mode 100644
index 00000000..0dfd39a9
--- /dev/null
+++ b/lib/ShadowCopy/shadow.h
@@ -0,0 +1,93 @@
+// **************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl.html       *
+// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de)                    *
+// **************************************************************************
+
+#ifndef SHADOWCOPY_H
+#define SHADOWCOPY_H
+
+#ifdef SHADOWDLL_EXPORTS
+#define SHADOWDLL_API extern "C" __declspec(dllexport)
+#else
+#define SHADOWDLL_API extern "C" __declspec(dllimport)
+#endif
+
+#include <zen/build_info.h>
+#include <zen/win_ver.h>
+
+
+class IVssBackupComponents;
+
+namespace shadow
+{
+/*--------------
+  |declarations|
+  --------------*/
+
+//COM needs to be initialized before calling any of these functions! CoInitializeEx/CoUninitialize
+
+typedef IVssBackupComponents* ShadowHandle;
+
+//volumeName must end with "\", while shadowVolName does not end with "\"
+SHADOWDLL_API
+bool createShadowCopy(const wchar_t* volumeName,      // in
+                      wchar_t*		 shadowVolName,   // out
+                      unsigned int   shadowBufferLen, // in
+                      ShadowHandle*	 handle,          // out
+                      wchar_t*		 errorMessage,    // out
+                      unsigned int	 errorBufferLen); // in
+
+
+//don't forget to release the backupHandle after shadow copy is not needed anymore!
+SHADOWDLL_API
+void releaseShadowCopy(ShadowHandle handle);
+
+
+//##########################################################################################
+
+
+/*----------
+  |typedefs|
+  ----------*/
+typedef bool (*CreateShadowCopyFct)(const wchar_t* volumeName,
+                                    wchar_t*	   shadowVolName,
+                                    unsigned int   shadowBufferLen,
+                                    ShadowHandle*  handle,
+                                    wchar_t*	   errorMessage,
+                                    unsigned int   errorBufferLen);
+
+typedef void (*ReleaseShadowCopyFct)(ShadowHandle handle);
+
+/*--------------
+  |symbol names|
+  --------------*/
+//(use const pointers to ensure internal linkage)
+const char createShadowCopyFctName[]  = "createShadowCopy";
+const char releaseShadowCopyFctName[] = "releaseShadowCopy";
+
+/*---------------
+  |library names|
+  ---------------*/
+
+inline
+const wchar_t* getDllName()
+{
+    /*
+    distinguish a bunch of VSS builds: we use XP and Server 2003 implementations...
+    VSS version and compatibility overview: http://msdn.microsoft.com/en-us/library/aa384627(VS.85).aspx
+    */
+    return zen::winServer2003orLater() ?
+           (zen::is64BitBuild ?
+            L"Shadow_Server2003_x64.dll" :
+            L"Shadow_Server2003_Win32.dll") :
+
+               (zen::is64BitBuild ?
+                L"Shadow_XP_x64.dll" :
+                L"Shadow_XP_Win32.dll");
+}
+}
+
+
+
+#endif //SHADOWCOPY_H