blob: 7f5d9d375bd1b1c0f76d94ef0a2144a7f4504e53 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/* 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_arch_file_io.h"
#include "apr_thread_mutex.h"
APR_DECLARE(apr_status_t) apr_file_buffer_set(apr_file_t *file,
char * buffer,
apr_size_t bufsize)
{
apr_status_t rv;
if (file->flags & APR_FOPEN_XTHREAD) {
apr_thread_mutex_lock(file->mutex);
}
if(file->buffered) {
/* Flush the existing buffer */
rv = apr_file_flush(file);
if (rv != APR_SUCCESS) {
if (file->flags & APR_FOPEN_XTHREAD) {
apr_thread_mutex_unlock(file->mutex);
}
return rv;
}
}
file->buffer = buffer;
file->bufsize = bufsize;
file->buffered = 1;
file->bufpos = 0;
file->direction = 0;
file->dataRead = 0;
if (file->bufsize == 0) {
/* Setting the buffer size to zero is equivalent to turning
* buffering off.
*/
file->buffered = 0;
}
if (file->flags & APR_FOPEN_XTHREAD) {
apr_thread_mutex_unlock(file->mutex);
}
return APR_SUCCESS;
}
APR_DECLARE(apr_size_t) apr_file_buffer_size_get(apr_file_t *file)
{
return file->bufsize;
}
|
