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prop: simplify refcounting, naming changes

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svn path=/trunk/; revision=17711
This commit is contained in:
Gunnar Dalsnes 2005-09-06 23:29:54 +00:00
parent 1e6efaebce
commit 306250f7f5
2 changed files with 25 additions and 38 deletions
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6
reactos/subsys/win32k/include/prop.h
View file

@ -8,11 +8,5 @@ typedef struct _PROPERTY
ATOM Atom;
} PROPERTY, *PPROPERTY;
BOOL FASTCALL
IntSetProp(PWINDOW_OBJECT Wnd, ATOM Atom, HANDLE Data);
PPROPERTY FASTCALL
IntGetProp(PWINDOW_OBJECT WindowObject, ATOM Atom);
#endif /* _WIN32K_PROP_H */

57
reactos/subsys/win32k/ntuser/prop.c
View file

@ -39,16 +39,20 @@ typedef struct _PROPLISTITEM
HANDLE Data;
} PROPLISTITEM, *PPROPLISTITEM;
/* STATIC FUNCTIONS **********************************************************/
/* FUNCTIONS *****************************************************************/
static
PPROPERTY FASTCALL
IntGetProp(PWINDOW_OBJECT WindowObject, ATOM Atom)
IntGetProp(PWINDOW_OBJECT Window, ATOM Atom)
{
PLIST_ENTRY ListEntry;
PPROPERTY Property;
ListEntry = WindowObject->PropListHead.Flink;
while (ListEntry != &WindowObject->PropListHead)
ListEntry = Window->PropListHead.Flink;
while (ListEntry != &Window->PropListHead)
{
Property = CONTAINING_RECORD(ListEntry, PROPERTY, PropListEntry);
if (Property->Atom == Atom)
@ -66,7 +70,7 @@ NtUserBuildPropList(HWND hWnd,
DWORD BufferSize,
DWORD *Count)
{
PWINDOW_OBJECT WindowObject;
PWINDOW_OBJECT Window;
PPROPERTY Property;
PLIST_ENTRY ListEntry;
PROPLISTITEM listitem, *li;
@ -77,7 +81,7 @@ NtUserBuildPropList(HWND hWnd,
DPRINT("Enter NtUserBuildPropList\n");
UserEnterShared();
if (!(WindowObject = IntGetWindowObject(hWnd)))
if (!(Window = UserGetWindowObject(hWnd)))
{
RETURN( STATUS_INVALID_HANDLE);
}
@ -86,14 +90,13 @@ NtUserBuildPropList(HWND hWnd,
{
if(!BufferSize || (BufferSize % sizeof(PROPLISTITEM) != 0))
{
IntReleaseWindowObject(WindowObject);
RETURN( STATUS_INVALID_PARAMETER);
}
/* copy list */
li = (PROPLISTITEM *)Buffer;
ListEntry = WindowObject->PropListHead.Flink;
while((BufferSize >= sizeof(PROPLISTITEM)) && (ListEntry != &WindowObject->PropListHead))
ListEntry = Window->PropListHead.Flink;
while((BufferSize >= sizeof(PROPLISTITEM)) && (ListEntry != &Window->PropListHead))
{
Property = CONTAINING_RECORD(ListEntry, PROPERTY, PropListEntry);
listitem.Atom = Property->Atom;
@ -102,7 +105,6 @@ NtUserBuildPropList(HWND hWnd,
Status = MmCopyToCaller(li, &listitem, sizeof(PROPLISTITEM));
if(!NT_SUCCESS(Status))
{
IntReleaseWindowObject(WindowObject);
RETURN( Status);
}
@ -115,11 +117,9 @@ NtUserBuildPropList(HWND hWnd,
}
else
{
Cnt = WindowObject->PropListItems * sizeof(PROPLISTITEM);
Cnt = Window->PropListItems * sizeof(PROPLISTITEM);
}
IntReleaseWindowObject(WindowObject);
if(Count)
{
Status = MmCopyToCaller(Count, &Cnt, sizeof(DWORD));
@ -140,7 +140,7 @@ CLEANUP:
HANDLE STDCALL
NtUserRemoveProp(HWND hWnd, ATOM Atom)
{
PWINDOW_OBJECT WindowObject;
PWINDOW_OBJECT Window;
PPROPERTY Prop;
HANDLE Data;
DECLARE_RETURN(HANDLE);
@ -148,24 +148,22 @@ NtUserRemoveProp(HWND hWnd, ATOM Atom)
DPRINT("Enter NtUserRemoveProp\n");
UserEnterExclusive();
if (!(WindowObject = IntGetWindowObject(hWnd)))
if (!(Window = UserGetWindowObject(hWnd)))
{
SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
RETURN( NULL);
}
Prop = IntGetProp(WindowObject, Atom);
Prop = IntGetProp(Window, Atom);
if (Prop == NULL)
{
IntReleaseWindowObject(WindowObject);
RETURN(NULL);
}
Data = Prop->Data;
RemoveEntryList(&Prop->PropListEntry);
ExFreePool(Prop);
WindowObject->PropListItems--;
IntReleaseWindowObject(WindowObject);
Window->PropListItems--;
RETURN(Data);
CLEANUP:
@ -177,7 +175,7 @@ CLEANUP:
HANDLE STDCALL
NtUserGetProp(HWND hWnd, ATOM Atom)
{
PWINDOW_OBJECT WindowObject;
PWINDOW_OBJECT Window;
PPROPERTY Prop;
HANDLE Data = NULL;
DECLARE_RETURN(HANDLE);
@ -185,18 +183,17 @@ NtUserGetProp(HWND hWnd, ATOM Atom)
DPRINT("Enter NtUserGetProp\n");
UserEnterShared();
if (!(WindowObject = IntGetWindowObject(hWnd)))
if (!(Window = UserGetWindowObject(hWnd)))
{
SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
RETURN( FALSE);
}
Prop = IntGetProp(WindowObject, Atom);
Prop = IntGetProp(Window, Atom);
if (Prop != NULL)
{
Data = Prop->Data;
}
IntReleaseWindowObject(WindowObject);
RETURN(Data);
CLEANUP:
@ -205,6 +202,7 @@ CLEANUP:
END_CLEANUP;
}
static
BOOL FASTCALL
IntSetProp(PWINDOW_OBJECT Wnd, ATOM Atom, HANDLE Data)
{
@ -232,23 +230,18 @@ IntSetProp(PWINDOW_OBJECT Wnd, ATOM Atom, HANDLE Data)
BOOL STDCALL
NtUserSetProp(HWND hWnd, ATOM Atom, HANDLE Data)
{
PWINDOW_OBJECT WindowObject;
BOOL ret;
PWINDOW_OBJECT Window;
DECLARE_RETURN(BOOL);
DPRINT("Enter NtUserSetProp\n");
UserEnterExclusive();
if (!(WindowObject = IntGetWindowObject(hWnd)))
if (!(Window = UserGetWindowObject(hWnd)))
{
SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
RETURN( FALSE);
}
ret = IntSetProp(WindowObject, Atom, Data);
IntReleaseWindowObject(WindowObject);
RETURN( ret);
RETURN( IntSetProp(Window, Atom, Data));
CLEANUP:
DPRINT("Leave NtUserSetProp, ret=%i\n",_ret_);