Java tutorial
//package com.java2s; /* * Copyright (C) 2014 Ingenic Semiconductor * * ZhangYanMing <yanming.zhang@ingenic.com, jamincheung@126.com> * * Elf/IDWS Project * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 675 Mass Ave, Cambridge, MA 02139, USA. * */ public class Main { private static byte[] expand(int pos, int length, byte[] buffer) { byte[] newBuffer = null; int newSize = pos + length; if (buffer != null && newSize <= buffer.length) { return buffer; } newBuffer = new byte[newSize]; if (buffer != null) System.arraycopy(buffer, 0, newBuffer, 0, pos); return newBuffer; } }