1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements. See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * 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,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "apr_buckets.h"
18
apr_bucket_shared_split(apr_bucket * a,apr_size_t point)19 APU_DECLARE_NONSTD(apr_status_t) apr_bucket_shared_split(apr_bucket *a,
20 apr_size_t point)
21 {
22 apr_bucket_refcount *r = a->data;
23 apr_status_t rv;
24
25 if ((rv = apr_bucket_simple_split(a, point)) != APR_SUCCESS) {
26 return rv;
27 }
28 r->refcount++;
29
30 return APR_SUCCESS;
31 }
32
apr_bucket_shared_copy(apr_bucket * a,apr_bucket ** b)33 APU_DECLARE_NONSTD(apr_status_t) apr_bucket_shared_copy(apr_bucket *a,
34 apr_bucket **b)
35 {
36 apr_bucket_refcount *r = a->data;
37
38 apr_bucket_simple_copy(a, b);
39 r->refcount++;
40
41 return APR_SUCCESS;
42 }
43
apr_bucket_shared_destroy(void * data)44 APU_DECLARE(int) apr_bucket_shared_destroy(void *data)
45 {
46 apr_bucket_refcount *r = data;
47 r->refcount--;
48 return (r->refcount == 0);
49 }
50
apr_bucket_shared_make(apr_bucket * b,void * data,apr_off_t start,apr_size_t length)51 APU_DECLARE(apr_bucket *) apr_bucket_shared_make(apr_bucket *b, void *data,
52 apr_off_t start,
53 apr_size_t length)
54 {
55 apr_bucket_refcount *r = data;
56
57 b->data = r;
58 b->start = start;
59 b->length = length;
60 /* caller initializes the type field */
61 r->refcount = 1;
62
63 return b;
64 }
65