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Commit 68669a42 authored by Raph Levien's avatar Raph Levien
Browse files

Fix for AIOBE at android.text.AndroidBidi.directions 

This fixes bug 9900288: Multiple apps crashing; AIOBE at
android.text.AndroidBidi.directions.

The AndroidBidi.directions() method was not correctly handling the case
of a run of length 0, causing ArrayIndexOutOfBoundsException. This
patch simply avoids accessing the levels array in that case.

Change-Id: I036a85b7792ea3364725a87033ca74b94f0e93a1
parent 2d861e87

core/java/android/text/AndroidBidi.java

+3 −0
Original line number Diff line number Diff line
@@ -60,6 +60,9 @@ import android.text.Layout.Directions; 
     */

    public static Directions directions(int dir, byte[] levels, int lstart,

            char[] chars, int cstart, int len) {

        if (len == 0) {

            return Layout.DIRS_ALL_LEFT_TO_RIGHT;

        }



        int baseLevel = dir == Layout.DIR_LEFT_TO_RIGHT ? 0 : 1;

        int curLevel = levels[lstart];