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bug 293717: crash in nsTreeContentView::GetCellText

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r=jan, sr=roc, a=shaver
This commit is contained in:
db48x%yahoo.com 2005-06-02 21:25:36 +00:00
parent 72f59e46ed
commit 75e8bdf8a3
1 changed files with 4 additions and 2 deletions
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6
layout/xul/base/src/tree/src/nsTreeContentView.cpp
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@ -483,8 +483,10 @@ NS_IMETHODIMP
nsTreeContentView::GetCellText(PRInt32 aRow, nsITreeColumn* aCol, nsAString& _retval)
{
NS_PRECONDITION(aRow >= 0 && aRow < mRows.Count(), "bad row");
if (aRow < 0 || aRow >= mRows.Count())
return NS_ERROR_INVALID_ARG;
NS_PRECONDITION(aCol, "bad column");
if (aRow < 0 || aRow >= mRows.Count() || !aCol)
return NS_ERROR_INVALID_ARG;
_retval.SetCapacity(0);