/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

#include "tcn.h"

/**
 * DirectByteBuffer utilities
 */

TCN_IMPLEMENT_CALL(jlong, Buffer, address)(TCN_STDARGS, jobject bb)
{
    void *address;

    UNREFERENCED(o);
    address = (*e)->GetDirectBufferAddress(e, bb);
    if (address == NULL) {
        jclass npe = (*e)->FindClass(e, "java/lang/NullPointerException");
        if (npe != NULL) {
            (*e)->ThrowNew(e, npe, "ByteBuffer is null or not direct");
            (*e)->DeleteLocalRef(e, npe);
        }
        return 0;
    }
    return P2J(address);
}
