first commit

LibreHardwareMonitor-0.9.4/InpOut/osversion.cpp

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+#include "stdafx.h"
+#include "hwinterfacedrv.h"
+
+typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
+typedef BOOL (WINAPI *LPFN_WOW64DISABLE) (PVOID*);
+typedef BOOL (WINAPI *LPFN_WOW64REVERT) (PVOID);
+
+LPFN_ISWOW64PROCESS	fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandle(_T("kernel32")),"IsWow64Process");
+LPFN_WOW64DISABLE	fnWow64Disable	 = (LPFN_WOW64DISABLE)GetProcAddress(GetModuleHandle(_T("kernel32")),"Wow64DisableWow64FsRedirection");
+LPFN_WOW64REVERT	fnWow64Revert	 = (LPFN_WOW64REVERT)GetProcAddress(GetModuleHandle(_T("kernel32")),"Wow64RevertWow64FsRedirection");
+
+//Purpose: Return TRUE if we are running in WOW64 (i.e. a 32bit process on XP x64 edition)
+BOOL _stdcall IsXP64Bit()
+{
+#ifdef _M_X64
+	return TRUE;	//Urrr if its a x64 build of the DLL, we MUST be running on X64 nativly!
+#endif
+
+    BOOL bIsWow64 = FALSE;
+     if (NULL != fnIsWow64Process)
+    {
+        if (!fnIsWow64Process(GetCurrentProcess(),&bIsWow64))
+        {
+            // handle error
+        }
+    }
+    return bIsWow64;
+}
+
+BOOL DisableWOW64(PVOID* oldValue)
+{
+#ifdef _M_X64
+	return TRUE;		// If were 64b under x64, we dont wanna do anything!
+#endif
+	return fnWow64Disable(oldValue);
+}
+
+BOOL RevertWOW64(PVOID* oldValue)
+{
+#ifdef _M_X64
+	return TRUE;		// If were 64b under x64, we dont wanna do anything!
+#endif
+	return fnWow64Revert (oldValue);
+}
+
+int SystemVersion()
+{   
+	OSVERSIONINFOEX osvi;
+	BOOL bOsVersionInfoEx;
+
+	ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
+	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
+
+	if( !(bOsVersionInfoEx = GetVersionEx ((OSVERSIONINFO *) &osvi)) )
+	{
+		osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
+
+		if (! GetVersionEx ( (OSVERSIONINFO *) &osvi) )
+			return 0;  
+	}
+
+	switch (osvi.dwPlatformId)
+	{      
+	case VER_PLATFORM_WIN32_NT:
+
+		return 2;		//WINNT
+
+		break;
+
+	case VER_PLATFORM_WIN32_WINDOWS:
+
+		return 1;		//WIN9X
+
+		break;
+
+	}   
+	return 0; 
+}