Gabriel Ivăncescu : user32/listbox: Account for NULL item when painting ownerdrawn list.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8700ef560eb50602af40a418b163f2b3f42e58b6
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=8700ef560eb50602af40a418b...

Author: Gabriel Ivăncescu 
Date:   Mon Dec  3 13:32:09 2018 +0300

user32/listbox: Account for NULL item when painting ownerdrawn list.

Signed-off-by: Nikolay Sivov 
Signed-off-by: Alexandre Julliard

---

dlls/user32/listbox.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/user32/listbox.c b/dlls/user32/listbox.c
index 6a33f81..b104bfd 100644
--- a/dlls/user32/listbox.c
+++ b/dlls/user32/listbox.c
@@ -560,10 +560,10 @@ static void LISTBOX_PaintItem( LB_DESCR *descr, HDC hdc, const RECT *rect,
         if (focused)
             dis.itemState |= ODS_FOCUS;
         if (!IsWindowEnabled(descr->self)) dis.itemState |= ODS_DISABLED;
-        dis.itemData     = item->data;
+        dis.itemData     = item ? item->data : 0;
         dis.rcItem       = *rect;
         TRACE("[%p]: drawitem %d (%s) action=%02x state=%02x rect=%s\n",
-              descr->self, index, debugstr_w(item->str), action,
+              descr->self, index, item ? debugstr_w(item->str) : "", action,
               dis.itemState, wine_dbgstr_rect(rect) );
         SendMessageW(descr->owner, WM_DRAWITEM, dis.CtlID, (LPARAM)&dis);
         SelectClipRgn( hdc, hrgn );