From 0f6d6950a2d12b94c8cf15ecf4eec608ad250486 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A9=20van=20Geldorp?= <ge@gse.nl>
Date: Fri, 16 Sep 2005 18:18:48 +0000
Subject: [PATCH] Do some boundschecking on iOrder. Fixes bug 770.

svn path=/trunk/; revision=17887
---
 reactos/lib/comctl32/header.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/reactos/lib/comctl32/header.c b/reactos/lib/comctl32/header.c
index 81f0590cf9e..cb66b7be901 100644
--- a/reactos/lib/comctl32/header.c
+++ b/reactos/lib/comctl32/header.c
@@ -930,6 +930,10 @@ HEADER_InsertItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
         nItem = infoPtr->uNumItem;
 
     iOrder = (phdi->mask & HDI_ORDER) ? phdi->iOrder : nItem;
+    if (iOrder < 0)
+        iOrder = 0;
+    else if (infoPtr->uNumItem < iOrder)
+        iOrder = infoPtr->uNumItem;
 
     if (infoPtr->uNumItem == 0) {
         infoPtr->items = Alloc (sizeof (HEADER_ITEM));