ATOM
WINAPI
InternalDeleteAtom(BOOLEAN Local,
ATOM Atom)
{
NTSTATUS Status;
/* Validate it */
if (Atom >= MAXINTATOM)
{
/* Check if it's a local delete */
if (Local)
{
/* Delete it locally */
Status = RtlDeleteAtomFromAtomTable(InternalInitAtomTable(), Atom);
}
else
{
/* Delete it globall */
Status = NtDeleteAtom(Atom);
}
/* Check for success */
if (!NT_SUCCESS(Status))
{
/* Fail */
BaseSetLastNTError(Status);
return INVALID_ATOM;
}
}
/* Return failure */
return 0;
}
/***********************************************************************
* DeleteAtom (KERNEL32.@)
*
* Decrement the reference count of a string atom. If the count becomes
* zero, the string associated with the atom is removed from the table.
*
* RETURNS
* Success: 0.
* Failure: atom
*/
ATOM WINAPI DeleteAtom( ATOM atom /* [in] Atom to delete */ )
{
NTSTATUS status;
RTL_ATOM_TABLE table;
if (atom >= MAXINTATOM)
{
if (!(table = get_local_table( 0 ))) return atom;
status = RtlDeleteAtomFromAtomTable( table, atom );
if (status)
{
SetLastError( RtlNtStatusToDosError( status ) );
return atom;
}
}
return 0;
}
BOOLEAN FASTCALL
IntDestroyCurIconObject(PCURICON_OBJECT CurIcon, BOOLEAN bForce)
{
if(CurIcon->CURSORF_flags & CURSORF_CURRENT)
{
/* Mark the object as destroyed, and fail, as per tests */
TRACE("Cursor is current, marking as destroyed.\n");
UserDeleteObject(CurIcon->head.h, TYPE_CURSOR);
return FALSE;
}
if(CurIcon->head.ppi != PsGetCurrentProcessWin32Process())
{
/* This object doesn't belong to the current process */
WARN("Trying to delete foreign cursor!\n");
UserDereferenceObject(CurIcon);
EngSetLastError(ERROR_DESTROY_OBJECT_OF_OTHER_THREAD);
return FALSE;
}
/* Do not destroy it if it is shared. (And we're not forced to) */
if((CurIcon->CURSORF_flags & CURSORF_LRSHARED) && !bForce)
{
/* Tests show this is a valid call */
WARN("Trying to destroy shared cursor!\n");
UserDereferenceObject(CurIcon);
return TRUE;
}
if(!(CurIcon->CURSORF_flags & CURSORF_ACON))
{
HBITMAP bmpMask = CurIcon->hbmMask;
HBITMAP bmpColor = CurIcon->hbmColor;
HBITMAP bmpAlpha = CurIcon->hbmAlpha;
/* Delete bitmaps */
if (bmpMask)
{
GreSetObjectOwner(bmpMask, GDI_OBJ_HMGR_POWNED);
GreDeleteObject(bmpMask);
CurIcon->hbmMask = NULL;
}
if (bmpColor)
{
GreSetObjectOwner(bmpColor, GDI_OBJ_HMGR_POWNED);
GreDeleteObject(bmpColor);
CurIcon->hbmColor = NULL;
}
if (bmpAlpha)
{
GreSetObjectOwner(bmpAlpha, GDI_OBJ_HMGR_POWNED);
GreDeleteObject(bmpAlpha);
CurIcon->hbmAlpha = NULL;
}
}
else
{
PACON AniCurIcon = (PACON)CurIcon;
UINT i;
for(i = 0; i < AniCurIcon->cpcur; i++)
IntDestroyCurIconObject(AniCurIcon->aspcur[i], TRUE);
ExFreePoolWithTag(AniCurIcon->aspcur, USERTAG_CURSOR);
}
if (CurIcon->CURSORF_flags & CURSORF_LRSHARED)
{
if (!IS_INTRESOURCE(CurIcon->strName.Buffer))
ExFreePoolWithTag(CurIcon->strName.Buffer, TAG_STRING);
if (CurIcon->atomModName)
RtlDeleteAtomFromAtomTable(gAtomTable, CurIcon->atomModName);
CurIcon->strName.Buffer = NULL;
CurIcon->atomModName = 0;
}
/* We were given a pointer, no need to keep the reference any longer! */
UserDereferenceObject(CurIcon);
return UserDeleteObject(CurIcon->head.h, TYPE_CURSOR);
}
