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kernelbase: Implement compatibility mode for GetVersion. 

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Gabriel Ivăncescu 2020-03-18 18:31:54 +02:00 committed by Alexandre Julliard
parent 6719bf2e03
commit 563a8c0f98
1 changed files with 11 additions and 5 deletions
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16
dlls/kernelbase/version.c
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@ -1420,11 +1420,17 @@ BOOL WINAPI DECLSPEC_HOTPATCH GetProductInfo( DWORD os_major, DWORD os_minor,
*/
DWORD WINAPI GetVersion(void)
{
DWORD result = MAKELONG( MAKEWORD( NtCurrentTeb()->Peb->OSMajorVersion,
NtCurrentTeb()->Peb->OSMinorVersion ),
(NtCurrentTeb()->Peb->OSPlatformId ^ 2) << 14 );
if (NtCurrentTeb()->Peb->OSPlatformId == VER_PLATFORM_WIN32_NT)
result |= LOWORD(NtCurrentTeb()->Peb->OSBuildNumber) << 16;
OSVERSIONINFOEXW info;
DWORD result;
info.dwOSVersionInfoSize = sizeof(info);
if (!GetVersionExW( (OSVERSIONINFOW *)&info )) return 0;
result = MAKELONG( MAKEWORD( info.dwMajorVersion, info.dwMinorVersion ),
(info.dwPlatformId ^ 2) << 14 );
if (info.dwPlatformId == VER_PLATFORM_WIN32_NT)
result |= LOWORD(info.dwBuildNumber) << 16;
return result;
}