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Windows: use RtlGetVersion instead of GetVersionEx in order to get accurate Windows version information on Windows 10.

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This commit is contained in:
Mounir IDRASSI
2017-05-27 19:56:35 +02:00
parent 86ababb2a4
commit f94ceb7a97
1 changed files with 22 additions and 1 deletions
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23
src/Common/Dlgcode.c
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@@ -2540,13 +2540,34 @@ void DoPostInstallTasks (HWND hwndDlg)
SavePostInstallTasksSettings (TC_POST_INSTALL_CFG_REMOVE_ALL);
}
/*
* Use RtlGetVersion to get Windows version because GetVersionEx is affected by application manifestation.
*/
typedef NTSTATUS (WINAPI* RtlGetVersionPtr)(PRTL_OSVERSIONINFOW);
static BOOL GetWindowsVersion(LPOSVERSIONINFOW lpVersionInformation)
{
BOOL bRet = FALSE;
RtlGetVersionPtr RtlGetVersionFn = (RtlGetVersionPtr) GetProcAddress(GetModuleHandle (L"ntdll.dll"), "RtlGetVersion");
if (RtlGetVersionFn != NULL)
{
if (ERROR_SUCCESS == RtlGetVersionFn (lpVersionInformation))
bRet = TRUE;
}
if (!bRet)
bRet = GetVersionExW (lpVersionInformation);
return bRet;
}
void InitOSVersionInfo ()
{
OSVERSIONINFOEXW os;
os.dwOSVersionInfoSize = sizeof (OSVERSIONINFOEXW);
if (GetVersionExW ((LPOSVERSIONINFOW) &os) == FALSE)
if (GetWindowsVersion ((LPOSVERSIONINFOW) &os) == FALSE)
AbortProcess ("NO_OS_VER");
CurrentOSMajor = os.dwMajorVersion;