8263362: Avoid division by 0 in java/awt/font/TextJustifier.java justify

Reviewed-by: psadhukhan
openjdk · May 6, 2021 · ea30bd6 · ea30bd6 · openjdk-notifier · May 6, 2021
1 parent 0f9852c
commit ea30bd6
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/src/java.desktop/share/classes/java/awt/font/TextJustifier.java b/src/java.desktop/share/classes/java/awt/font/TextJustifier.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2021, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -155,10 +155,13 @@ public float[] justify(float delta) {
             boolean absorbing = hitLimit && absorbweight > 0;
 
             // predivide delta by weight
-            float weightedDelta = delta / weight; // not used if weight == 0
+            float weightedDelta = 0;
+            if (weight != 0) { // not used if weight == 0
+                weightedDelta = delta / weight;
+            }
 
             float weightedAbsorb = 0;
-            if (hitLimit && absorbweight > 0) {
+            if (hitLimit && absorbweight != 0) {
                 weightedAbsorb = (delta - gslimit) / absorbweight;
             }