fixed out-of-bounds OUString access

Change-Id: I971c339f2cb4cddcf4fbb447eb79282d34979220
2013-10-16 21:52:18 +02:00
parent 31d3ab5ea1
commit f46cb0c45a
1 changed files with 2 additions and 1 deletions
--- a/sc/source/ui/app/inputhdl.cxx
+++ b/sc/source/ui/app/inputhdl.cxx
@@ -956,7 +956,8 @@ void ScInputHandler::ShowTipCursor()
                {
                    sal_uInt16 nPosition = 0;
                    OUString aText = pEngine->GetWord( 0, aSel.nEndPos-1 );
-                    if( aText[ aSel.nEndPos-1 ] == '=' )
+                    /* XXX: dubious, what is this condition supposed to exactly match? */
+                    if (aSel.nEndPos <= aText.getLength() && aText[ aSel.nEndPos-1 ] == '=')
                    {
                        break;
                    }