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
32 int
get_errno(void)33 get_errno (void)
34 {
35 return errno;
36 }
37
38 void
set_errno(int e)39 set_errno (int e)
40 {
41 errno = e;
42 }
43