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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
affb60b1 LP |
2 | #pragma once |
3 | ||
4 | /*** | |
5 | This file is part of systemd. | |
6 | ||
7 | Copyright 2010 Lennart Poettering | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU Lesser General Public License as published by | |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | Lesser General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Lesser General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
23 | #include <stdbool.h> | |
24 | #include <sys/stat.h> | |
25 | #include <sys/types.h> | |
26 | ||
27 | #include "macro.h" | |
28 | ||
29 | static inline void umaskp(mode_t *u) { | |
30 | umask(*u); | |
31 | } | |
32 | ||
33 | #define _cleanup_umask_ _cleanup_(umaskp) | |
34 | ||
35 | struct _umask_struct_ { | |
36 | mode_t mask; | |
37 | bool quit; | |
38 | }; | |
39 | ||
40 | static inline void _reset_umask_(struct _umask_struct_ *s) { | |
41 | umask(s->mask); | |
42 | }; | |
43 | ||
44 | #define RUN_WITH_UMASK(mask) \ | |
45 | for (_cleanup_(_reset_umask_) struct _umask_struct_ _saved_umask_ = { umask(mask), false }; \ | |
46 | !_saved_umask_.quit ; \ | |
47 | _saved_umask_.quit = true) |