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Make sure that we skip tasks with missing hInstance.

oldstable
Andreas Mohr 2000-10-02 22:16:34 +00:00 committed by Alexandre Julliard
parent d23f506a94
commit 6a2a2ebc71
1 changed files with 9 additions and 2 deletions
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11
loader/task.c
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@ -1566,8 +1566,15 @@ BOOL16 WINAPI TaskNext16( TASKENTRY *lpte )
TRACE_(toolhelp)("(%p): task=%04x\n", lpte, lpte->hNext );
if (!lpte->hNext) return FALSE;
pTask = (TDB *)GlobalLock16( lpte->hNext );
if (!pTask || pTask->magic != TDB_MAGIC) return FALSE;
/* make sure that task and hInstance are valid (skip initial Wine task !) */
while (1) {
pTask = (TDB *)GlobalLock16( lpte->hNext );
if (!pTask || pTask->magic != TDB_MAGIC) return FALSE;
if (pTask->hInstance)
break;
lpte->hNext = pTask->hNext;
}
pInstData = (INSTANCEDATA *)PTR_SEG_OFF_TO_LIN( GlobalHandleToSel16(pTask->hInstance), 0 );
lpte->hTask = lpte->hNext;
lpte->hTaskParent = pTask->hParent;