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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
* applicable.
*
* Licensed 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_file_io.h"
APR_DECLARE(apr_status_t) apr_file_read_full(apr_file_t *thefile, void *buf,
apr_size_t nbytes,
apr_size_t *bytes_read)
{
apr_status_t status;
apr_size_t total_read = 0;
do {
apr_size_t amt = nbytes;
status = apr_file_read(thefile, buf, &amt);
buf = (char *)buf + amt;
nbytes -= amt;
total_read += amt;
} while (status == APR_SUCCESS && nbytes > 0);
if (bytes_read != NULL)
*bytes_read = total_read;
return status;
}
APR_DECLARE(apr_status_t) apr_file_write_full(apr_file_t *thefile,
const void *buf,
apr_size_t nbytes,
apr_size_t *bytes_written)
{
apr_status_t status;
apr_size_t total_written = 0;
do {
apr_size_t amt = nbytes;
status = apr_file_write(thefile, buf, &amt);
buf = (char *)buf + amt;
nbytes -= amt;
total_written += amt;
} while (status == APR_SUCCESS && nbytes > 0);
if (bytes_written != NULL)
*bytes_written = total_written;
return status;
}
APR_DECLARE(apr_status_t) apr_file_writev_full(apr_file_t *thefile,
const struct iovec *vec,
apr_size_t nvec,
apr_size_t *bytes_written)
{
apr_status_t rv = APR_SUCCESS;
apr_size_t i;
apr_size_t amt = 0;
apr_size_t total = 0;
for (i = 0; i < nvec && rv == APR_SUCCESS; i++) {
rv = apr_file_write_full(thefile, vec[i].iov_base,
vec[i].iov_len, &amt);
total += amt;
}
if (bytes_written != NULL)
*bytes_written = total;
return rv;
}
|
