53e1b68390
This follows what the kernel is doing, c.f. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5fd54ace4721fc5ce2bb5aef6318fcf17f421460.
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdbool.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "macro.h"
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static inline void umaskp(mode_t *u) {
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umask(*u);
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}
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#define _cleanup_umask_ _cleanup_(umaskp)
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struct _umask_struct_ {
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mode_t mask;
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bool quit;
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};
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static inline void _reset_umask_(struct _umask_struct_ *s) {
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umask(s->mask);
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};
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#define RUN_WITH_UMASK(mask) \
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for (_cleanup_(_reset_umask_) struct _umask_struct_ _saved_umask_ = { umask(mask), false }; \
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!_saved_umask_.quit ; \
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_saved_umask_.quit = true)
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