1/* get-errno.c - get and set errno.
2
3   Copyright (C) 2002, 2006, 2009-2012 Free Software Foundation, Inc.
4
5   This program is free software: you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation, either version 3 of the License, or
8   (at your option) any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
17
18/* Written by Paul Eggert.  */
19
20#include <config.h>
21
22#include "get-errno.h"
23
24#include <errno.h>
25
26/* Get and set errno.  A source file that needs to set or get errno,
27   but doesn't need to test for specific errno values, can use these
28   functions to avoid namespace pollution.  For example, a file that
29   defines EQUAL should not include <errno.h>, since <errno.h> might
30   define EQUAL; such a file can include <get-errno.h> instead.  */
31
32int
33get_errno (void)
34{
35  return errno;
36}
37
38void
39set_errno (int e)
40{
41  errno = e;
42}
43