Package jnr.ffi.provider.jffi

Source Code of jnr.ffi.provider.jffi.MemoryUtil

/*
* Copyright (C) 2008-2010 Wayne Meissner
*
* This file is part of the JNR project.
*
* 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 jnr.ffi.provider.jffi;

import jnr.ffi.provider.BoundedMemoryIO;
import jnr.ffi.provider.NullMemoryIO;

public final class MemoryUtil {
    private MemoryUtil() {}

    static jnr.ffi.Pointer newPointer(jnr.ffi.Runtime runtime, long ptr) {
        return ptr != 0 ? new DirectMemoryIO(runtime, ptr) : null;
    }

    static jnr.ffi.Pointer newPointer(jnr.ffi.Runtime runtime, int ptr) {
        return ptr != 0 ? new DirectMemoryIO(runtime, ptr) : null;
    }
   
    static jnr.ffi.Pointer newPointer(jnr.ffi.Runtime runtime, long ptr, long size) {
        return ptr != 0 ? new BoundedMemoryIO(new DirectMemoryIO(runtime, ptr), 0, size) : null;
    }
}
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