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Do some boundschecking on iOrder. Fixes bug 770.

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svn path=/trunk/; revision=17887
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Gé van Geldorp 2005-09-16 18:18:48 +00:00
parent 7f46bf47f7
commit 0f6d6950a2
1 changed files with 4 additions and 0 deletions
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4
reactos/lib/comctl32/header.c
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@ -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));