RVM-988 : Ensure that AdressInputStream.read() always returns an int in the interval [0,255] (patch from Da Feng)

erik-brangs · erik-brangs · commit dd25c60bab4f · 2012-08-25T16:17:33.000+02:00
diff --git a/rvm/src/org/jikesrvm/util/AddressInputStream.java b/rvm/src/org/jikesrvm/util/AddressInputStream.java
@@ -61,7 +61,7 @@ public int read() throws IOException {
     }
     byte result = location.loadByte(offset);
     offset = offset.plus(1);
-    return result;
+    return result & 0xFF;
   }
   /** Reset to mark */
   @Override

Original file line number	Diff line number	Diff line change
`@@ -61,7 +61,7 @@ public int read() throws IOException {`
`61`	`61`	`}`
`62`	`62`	`byte result = location.loadByte(offset);`
`63`	`63`	`offset = offset.plus(1);`
`64`		`- return result;`
	`64`	`+ return result & 0xFF;`
`65`	`65`	`}`
`66`	`66`	`/** Reset to mark */`
`67`	`67`	`@Override`