licensing update to APSL 2.0

[org.ibex.util.git] / src / org / ibex / util / Vec.java

diff --git a/src/org/ibex/util/Vec.java b/src/org/ibex/util/Vec.java
index ffe7cfd..2c55c6e 100644 (file)
--- a/src/org/ibex/util/Vec.java
+++ b/src/org/ibex/util/Vec.java
@@ -1,9 +1,6 @@
-// Copyright (C) 2003 Adam Megacz <adam@ibex.org> all rights reserved.
-//
-// You may modify, copy, and redistribute this code under the terms of
-// the GNU Library Public License version 2.1, with the exception of
-// the portion of clause 6a after the semicolon (aka the "obnoxious
-// relink clause")
+// Copyright 2000-2005 the Contributors, as shown in the revision logs.
+// Licensed under the Apache Public Source License 2.0 ("the License").
+// You may not use this file except in compliance with the License.
 
 package org.ibex.util;
 import java.io.*;
@@ -17,7 +14,7 @@ import java.io.*;
  *
  *  @see java.util.Vector
  */
-public final class Vec implements Serializable {
+public final class Vec implements Serializable, Cloneable {
     
     private Object[] store;
     private int size = 0;
@@ -25,7 +22,13 @@ public final class Vec implements Serializable {
     public Vec() { this(10); }
     public Vec(int i) { store = new Object[i]; }
     public Vec(int i, Object[] store) { size = i; this.store = store; }
-    
+    public Vec(Vec old) {
+        store = new Object[old.store.length];
+        System.arraycopy(old.store, 0, store, 0, old.store.length);
+        this.size = old.size;
+    }
+
+    public Object clone() { return new Vec(this); }
     private void grow() { grow(store.length * 2); }
     private void grow(int newsize) {
         Object[] newstore = new Object[newsize];
@@ -71,7 +74,7 @@ public final class Vec implements Serializable {
     public void push(Object o) { addElement(o); }
     public Object pop() {
         Object ret = lastElement();
-        if (size > 0) store[size--] = null;
+        if (size > 0) store[--size] = null;
         return ret;
     }
 
@@ -86,9 +89,10 @@ public final class Vec implements Serializable {
         size = newSize;
     }
 
-    public void copyInto(Object[] out) {
+    public Object[] copyInto(Object[] out) {
         for(int i=0; i<size; i++)
             out[i] = store[i];
+        return out;
     }
 
     public void fromArray(Object[] in) {
@@ -288,9 +292,10 @@ public final class Vec implements Serializable {
             size = newSize;
         }
 
-        public void copyInto(int[] out) {
+        public int[] copyInto(int[] out) {
             for(int i=0; i<size; i++)
                 out[i] = store[i];
+            return out;
         }
 
         public void fromArray(int[] in) {