From 7572207564e889749249963c0afde9fefd7c68d8 Mon Sep 17 00:00:00 2001
From: Paul Quinn <paulq@corel.ca>
Date: Sat, 22 May 1999 18:45:06 +0000
Subject: [PATCH] Stop a listbox bug that causes a div by zero when the item
 height is zero. Doesn't solve the root of the problem though.

---
 controls/listbox.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/controls/listbox.c b/controls/listbox.c
index dbcf862d6c9..7cb45b97d2e 100644
--- a/controls/listbox.c
+++ b/controls/listbox.c
@@ -297,7 +297,8 @@ static void LISTBOX_UpdatePage( WND *wnd, LB_DESCR *descr )
 {
     INT page_size;
 
-    if ((page_size = descr->height / descr->item_height) < 1) page_size = 1;
+    if ((descr->item_height == 0) || (page_size = descr->height / descr->item_height) < 1) 
+                       page_size = 1;
     if (page_size == descr->page_size) return;
     descr->page_size = page_size;
     if (descr->style & LBS_MULTICOLUMN)