/* 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 "apr_buckets.h"

APR_DECLARE_NONSTD(apr_status_t) apr_bucket_shared_split(apr_bucket *a,

                                                         apr_size_t point)

{

    apr_bucket_refcount *r = a->data;

    apr_status_t rv;

    if ((rv = apr_bucket_simple_split(a, point)) != APR_SUCCESS) {

        return rv;

    }

    r->refcount++;

    return APR_SUCCESS;

}

APR_DECLARE_NONSTD(apr_status_t) apr_bucket_shared_copy(apr_bucket *a,

                                                        apr_bucket **b)

{

    apr_bucket_refcount *r = a->data;

    r->refcount++;

    return apr_bucket_simple_copy(a, b);

}

APR_DECLARE(int) apr_bucket_shared_destroy(void *data)

{

    apr_bucket_refcount *r = data;

    r->refcount--;

    return (r->refcount == 0);

}

APR_DECLARE(apr_bucket *) apr_bucket_shared_make(apr_bucket *b, void *data,

                                                 apr_off_t start,

                                                 apr_size_t length)

{

    apr_bucket_refcount *r = data;

    b->data   = r;

    b->start  = start;

    b->length = length;

    /* caller initializes the type field */

    r->refcount = 1;

    return b;

}