1 | /* get-errno.c - get and set errno. |
2 | |
3 | Copyright (C) 2002, 2006, 2009-2015, 2018-2019 Free Software |
4 | Foundation, Inc. |
5 | |
6 | This program is free software: you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by |
8 | the Free Software Foundation, either version 3 of the License, or |
9 | (at your option) any later version. |
10 | |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | GNU General Public License for more details. |
15 | |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
18 | |
19 | /* Written by Paul Eggert. */ |
20 | |
21 | #include <config.h> |
22 | |
23 | #include "get-errno.h" |
24 | |
25 | #include <errno.h> |
26 | |
27 | /* Get and set errno. A source file that needs to set or get errno, |
28 | but doesn't need to test for specific errno values, can use these |
29 | functions to avoid namespace pollution. For example, a file that |
30 | defines EQUAL should not include <errno.h>, since <errno.h> might |
31 | define EQUAL; such a file can include <get-errno.h> instead. */ |
32 | |
33 | int |
34 | get_errno (void) |
35 | { |
36 | return errno; |
37 | } |
38 | |
39 | void |
40 | set_errno (int e) |
41 | { |
42 | errno = e; |
43 | } |
44 | |