Make sure that an empty string never matches a listbox entry in

LISTBOX_FindString().

Make sure that an empty string never matches a listbox entry in
d35c834b · Rein Klazes · Alexandre Julliard · c9df14d8 · d35c834b
Commit d35c834b authored Aug 21, 1999 by Rein Klazes Committed by Alexandre Julliard Aug 21, 1999
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listbox.c controls/listbox.c +1 -1

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--- a/controls/listbox.c
+++ b/controls/listbox.c
@@ -774,7 +774,7 @@ static INT LISTBOX_FindString( WND *wnd, LB_DESCR *descr, INT start,
    item = descr->items + start + 1;
    if (HAS_STRINGS(descr))
    {
-        if (!str) return LB_ERR;
+        if (!str || ! str[0] ) return LB_ERR;
        if (exact)
        {
            for (i = start + 1; i < descr->nb_items; i++, item++)