/* * Copyright (c) 2024 lax1dude * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ package net.lax1dude.unsafememcpy; import java.nio.Buffer; import java.nio.ByteBuffer; public class UnsafeUtils { private static boolean hasLoadedNatives = false; static { loadNatives(); } public static void loadNatives() { if(!hasLoadedNatives) { hasLoadedNatives = true; if(System.getProperty("os.name").toLowerCase().contains("windows")) { System.loadLibrary("UnsafeMemcpy"); }else { System.loadLibrary("unsafememcpy"); } } } public static native int getVersionMajor(); public static native int getVersionMinor(); public static native ByteBuffer makeDirectBuffer(long address, int size); public static native ByteBuffer makeDirectBuffer(long address, long size); public static native long getAddress(Buffer buffer); public static native byte getMemByte(long address); public static native short getMemShort(long address); public static native char getMemChar(long address); public static native int getMemInt(long address); public static native long getMemLong(long address); public static native double getMemDouble(long address); public static native float getMemFloat(long address); public static native void setMemByte(long address, byte value); public static native void setMemShort(long address, short value); public static native void setMemChar(long address, char value); public static native void setMemInt(long address, int value); public static native void setMemLong(long address, long value); public static native void setMemDouble(long address, double value); public static native void setMemFloat(long address, float value); }