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/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
#include <stdbool.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "macro.h"
static inline void umaskp(mode_t *u) {
umask(*u & 0777);
}
#define _cleanup_umask_ _cleanup_(umaskp)
/* We make use of the fact here that the umask() concept is using only the lower 9 bits of mode_t, although
* mode_t has space for the file type in the bits further up. We simply OR in the file type mask S_IFMT to
* distinguish the first and the second iteration of the RUN_WITH_UMASK() loop, so that we can run the first
* one, and exit on the second. */
assert_cc((S_IFMT & 0777) == 0);
#define RUN_WITH_UMASK(mask) \
for (_cleanup_umask_ mode_t _saved_umask_ = umask(mask) | S_IFMT; \
FLAGS_SET(_saved_umask_, S_IFMT); \
_saved_umask_ &= 0777)
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