From f9b12f2390ac05085e6f3d1cede39f14fb2450b1 Mon Sep 17 00:00:00 2001
From: "surkov.alexander%gmail.com"
 <surkov.alexander%gmail.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Wed, 23 Apr 2008 06:01:02 +0000
Subject: [PATCH] Crash [@ CAccessibleText::get_attributes(long, long*, long*,
 unsigned short**) ], r=aaronlev, a=dsicore

git-svn-id: svn://10.0.0.236/trunk@250677 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/accessible/src/msaa/CAccessibleText.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mozilla/accessible/src/msaa/CAccessibleText.cpp b/mozilla/accessible/src/msaa/CAccessibleText.cpp
index 4cf73df7a70..0bee36f4779 100755
--- a/mozilla/accessible/src/msaa/CAccessibleText.cpp
+++ b/mozilla/accessible/src/msaa/CAccessibleText.cpp
@@ -99,6 +99,9 @@ CAccessibleText::get_attributes(long aOffset, long *aStartOffset,
                                 long *aEndOffset, BSTR *aTextAttributes)
 {
 __try {
+  if (!aStartOffset || !aEndOffset || !aTextAttributes)
+    return E_INVALIDARG;
+
   *aStartOffset = 0;
   *aEndOffset = 0;
   *aTextAttributes = NULL;