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Load JNI dependencies embedded within a JAR file.

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/*******************************************************************************
 *     ___                  _   ____  ____
 *    / _ \ _   _  ___  ___| |_|  _ \| __ )
 *   | | | | | | |/ _ \/ __| __| | | |  _ \
 *   | |_| | |_| |  __/\__ \ |_| |_| | |_) |
 *    \__\_\\__,_|\___||___/\__|____/|____/
 *
 *  Copyright (c) 2014-2019 Appsicle
 *  Copyright (c) 2019-2023 QuestDB
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 ******************************************************************************/

package io.questdb.jar.jni;

/**
 * A re-implementation of the JNA Native class that only implements the `POINTER_SIZE` constant.
 * This is to satisfy the compile requirements of `Platform.java` as extracted from the JNA project.
 */
public final class Native {
    public static final int POINTER_SIZE;

    static {
        // Raise an issue or a PR if this fails to detect the correct pointer size.
        final boolean is64Bit = System.getProperty("os.arch").contains("64");
        POINTER_SIZE = is64Bit ? 8 : 4;
    }
}