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1   /*
2    * Copyright 2016 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  /*
17   *  Licensed to the Apache Software Foundation (ASF) under one or more
18   *  contributor license agreements.  See the NOTICE file distributed with
19   *  this work for additional information regarding copyright ownership.
20   *  The ASF licenses this file to You under the Apache License, Version 2.0
21   *  (the "License"); you may not use this file except in compliance with
22   *  the License.  You may obtain a copy of the License at
23   *
24   *      http://www.apache.org/licenses/LICENSE-2.0
25   *
26   *  Unless required by applicable law or agreed to in writing, software
27   *  distributed under the License is distributed on an "AS IS" BASIS,
28   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
29   *  See the License for the specific language governing permissions and
30   *  limitations under the License.
31   */
32  
33  package io.netty.internal.tcnative;
34  
35  import java.nio.ByteBuffer;
36  
37  public final class Buffer {
38  
39      private Buffer() { }
40  
41      /**
42       * Returns the memory address of the ByteBuffer.
43       * @param buf Previously allocated ByteBuffer.
44       * @return the memory address.
45       */
46      public static native long address(ByteBuffer buf);
47  
48      /**
49       * Returns the allocated memory size of the ByteBuffer.
50       * @param buf Previously allocated ByteBuffer.
51       * @return the allocated memory size
52       */
53      public static native long size(ByteBuffer buf);
54  }