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
|
/*
* libexplain - Explain errno values returned by libc functions
* Copyright (C) 2010, 2012, 2013 Peter Miller
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
* General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libexplain/ac/errno.h>
#include <libexplain/ac/unistd.h>
#include <libexplain/read.h>
#include <libexplain/output.h>
ssize_t
explain_read_on_error(int fildes, void *data, size_t data_size)
{
ssize_t result;
result = read(fildes, data, data_size);
if (result < 0)
{
int hold_errno;
hold_errno = errno;
explain_output_error("%s", explain_errno_read(hold_errno, fildes,
data, data_size));
errno = hold_errno;
}
return result;
}
/* vim: set ts=8 sw=4 et : */
|
