WUIsBack/LegacyUpdate/Compat.cpp

40 lines
1.5 KiB
C++

#include "stdafx.h"
#include <comdef.h>
#include "Utils.h"
typedef BOOL (WINAPI *_Wow64DisableWow64FsRedirection)(PVOID *OldValue);
typedef BOOL (WINAPI *_Wow64RevertWow64FsRedirection)(PVOID OldValue);
typedef BOOL (WINAPI *_GetProductInfo)(DWORD, DWORD, DWORD, DWORD, PDWORD);
// XP+
_Wow64DisableWow64FsRedirection $Wow64DisableWow64FsRedirection = (_Wow64DisableWow64FsRedirection)GetProcAddress(GetModuleHandle(L"kernel32.dll"), "Wow64DisableWow64FsRedirection");
_Wow64RevertWow64FsRedirection $Wow64RevertWow64FsRedirection = (_Wow64RevertWow64FsRedirection)GetProcAddress(GetModuleHandle(L"kernel32.dll"), "Wow64RevertWow64FsRedirection");
// Vista+
_GetProductInfo $GetProductInfo = (_GetProductInfo)GetProcAddress(GetModuleHandle(L"kernel32.dll"), "GetProductInfo");
BOOL GetVistaProductInfo(DWORD dwOSMajorVersion, DWORD dwOSMinorVersion, DWORD dwSpMajorVersion, DWORD dwSpMinorVersion, PDWORD pdwReturnedProductType) {
if ($GetProductInfo) {
return $GetProductInfo(dwOSMajorVersion, dwOSMinorVersion, dwSpMajorVersion, dwSpMinorVersion, pdwReturnedProductType);
} else {
*pdwReturnedProductType = PRODUCT_UNDEFINED;
return FALSE;
}
}
BOOL DisableWow64FsRedirection(PVOID *OldValue) {
if ($Wow64DisableWow64FsRedirection) {
return $Wow64DisableWow64FsRedirection(OldValue);
} else {
return TRUE;
}
}
BOOL RevertWow64FsRedirection(PVOID OldValue) {
if ($Wow64RevertWow64FsRedirection) {
return $Wow64RevertWow64FsRedirection(OldValue);
} else {
return TRUE;
}
}