Gabriel Ivăncescu : user32/listbox: Move the item data removal into a separate function.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9f5865342180af56fddec002c995fd0ae5ac7bff
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=9f5865342180af56fddec002c...

Author: Gabriel Ivăncescu 
Date:   Wed Feb 20 15:13:12 2019 +0200

user32/listbox: Move the item data removal into a separate function.

Signed-off-by: Gabriel Ivăncescu 
Signed-off-by: Huw Davies 
Signed-off-by: Alexandre Julliard

---

dlls/user32/listbox.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/dlls/user32/listbox.c b/dlls/user32/listbox.c
index 7caf24c..87404c6 100644
--- a/dlls/user32/listbox.c
+++ b/dlls/user32/listbox.c
@@ -195,6 +195,15 @@ static void insert_item_data(LB_DESCR *descr, UINT index, WCHAR *str, ULONG_PTR
     item->selected = FALSE;
 }

+static void remove_item_data(LB_DESCR *descr, UINT index)
+{
+    LB_ITEMDATA *item;
+
+    item = descr->items + index;
+    if (index < descr->nb_items)
+        memmove(item, item + 1, (descr->nb_items - index) * sizeof(LB_ITEMDATA));
+}
+
 /*********************************************************************
  * listbox class descriptor
  */
@@ -1709,8 +1718,6 @@ static void LISTBOX_DeleteItem( LB_DESCR *descr, INT index )
  */
 static LRESULT LISTBOX_RemoveItem( LB_DESCR *descr, INT index )
 {
-    LB_ITEMDATA *item;
-
     if ((index < 0) || (index >= descr->nb_items)) return LB_ERR;

/* We need to invalidate the original rect instead of the updated one. */
@@ -1723,15 +1730,9 @@ static LRESULT LISTBOX_RemoveItem( LB_DESCR *descr, INT index )
     }
     descr->nb_items--;
     LISTBOX_DeleteItem( descr, index );
+    remove_item_data(descr, index);

-    /* Remove the item */
-
-    item = &descr->items[index];
-    if (index < descr->nb_items)
-        RtlMoveMemory( item, item + 1,
-                       (descr->nb_items - index) * sizeof(LB_ITEMDATA) );
     if (descr->anchor_item == descr->nb_items) descr->anchor_item--;
-
     resize_storage(descr, descr->nb_items);

/* Repaint the items */