/*
* WinObjInitGlobals
*
* Purpose:
*
* Initialize global variables.
*
*/
BOOL WinObjInitGlobals()
{
SIZE_T cch;
BOOL bResult = FALSE, bCond = FALSE;
do {
RtlSecureZeroMemory(&g_WinObj, sizeof(g_WinObj));
//
// Query version info.
//
g_WinObj.osver.dwOSVersionInfoSize = sizeof(g_WinObj.osver);
RtlGetVersion(&g_WinObj.osver);
//
// Remember hInstance.
//
g_WinObj.hInstance = GetModuleHandle(NULL);
//
// Create dedicated heap.
//
g_WinObj.Heap = RtlCreateHeap(HEAP_GROWABLE, NULL, 0, 0, NULL, NULL);
if (g_WinObj.Heap == NULL)
break;
RtlSetHeapInformation(g_WinObj.Heap, HeapEnableTerminationOnCorruption, NULL, 0);
RtlInitializeCriticalSection(&g_WinObj.Lock);
//
// Remember %TEMP% directory.
//
cch = ExpandEnvironmentStrings(L"%temp%", g_WinObj.szTempDirectory, MAX_PATH);
if ((cch == 0) || (cch > MAX_PATH))
break;
//
// Remember Windows directory.
//
if (!GetWindowsDirectory(g_WinObj.szWindowsDirectory, MAX_PATH))
break;
//
// Remember System32 directory.
//
if (!GetSystemDirectory(g_WinObj.szSystemDirectory, MAX_PATH))
break;
bResult = TRUE;
} while (bCond);
if (bResult == FALSE) {
if (g_WinObj.Heap)
RtlDestroyHeap(g_WinObj.Heap);
}
return bResult;
}
BOOL WINAPI HeapSetInformation( HANDLE heap, HEAP_INFORMATION_CLASS infoclass, PVOID info, SIZE_T size)
{
NTSTATUS ret = RtlSetHeapInformation( heap, infoclass, info, size );
if (ret) SetLastError( RtlNtStatusToDosError(ret) );
return !ret;
}