4.0

1 files changed, 39 insertions, 0 deletions

diff --git a/shared/ShadowCopy/shadow.h b/shared/ShadowCopy/shadow.h
index b21395da..8721b906 100644
--- a/shared/ShadowCopy/shadow.h
+++ b/shared/ShadowCopy/shadow.h
@@ -13,6 +13,8 @@
 #define SHADOWDLL_API extern "C" __declspec(dllimport)
 #endif
 
+#include "../build_info.h"
+
 
 namespace shadow
 {
@@ -60,6 +62,43 @@ typedef void (*ReleaseShadowCopyFct)(ShadowHandle handle);
 //(use const pointers to ensure internal linkage)
 const char createShadowCopyFctName[]  = "createShadowCopy";
 const char releaseShadowCopyFctName[] = "releaseShadowCopy";
+
+/*---------------
+  |library names|
+  ---------------*/
+namespace impl
+{
+bool newerThanXP()
+{
+    OSVERSIONINFO osvi = {};
+    osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+
+    if (::GetVersionEx(&osvi))
+        return osvi.dwMajorVersion > 5 ||
+               (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion > 1) ;
+    //XP          has majorVersion == 5, minorVersion == 1
+    //Server 2003 has majorVersion == 5, minorVersion == 2
+    //version overview: http://msdn.microsoft.com/en-us/library/ms724834(VS.85).aspx
+    return false;
+}
+}
+
+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 impl::newerThanXP() ?
+           (util::is64BitBuild ?
+            L"Shadow_Server2003_x64.dll" :
+            L"Shadow_Server2003_Win32.dll") :
+
+               (util::is64BitBuild ?
+                L"Shadow_XP_x64.dll" :
+                L"Shadow_XP_Win32.dll");
+}
 }