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       1                 :            : /* SPDX-License-Identifier: LGPL-2.1+ */
       2                 :            : #pragma once
       3                 :            : 
       4                 :            : #include <stdbool.h>
       5                 :            : #include <sys/stat.h>
       6                 :            : #include <sys/types.h>
       7                 :            : 
       8                 :            : #include "macro.h"
       9                 :            : 
      10                 :        732 : static inline void umaskp(mode_t *u) {
      11                 :        732 :         umask(*u & 0777);
      12                 :        732 : }
      13                 :            : 
      14                 :            : #define _cleanup_umask_ _cleanup_(umaskp)
      15                 :            : 
      16                 :            : /* We make use of the fact here that the umask() concept is using only the lower 9 bits of mode_t, although
      17                 :            :  * mode_t has space for the file type in the bits further up. We simply OR in the file type mask S_IFMT to
      18                 :            :  * distinguish the first and the second iteration of the RUN_WITH_UMASK() loop, so that we can run the first
      19                 :            :  * one, and exit on the second. */
      20                 :            : 
      21                 :            : assert_cc((S_IFMT & 0777) == 0);
      22                 :            : 
      23                 :            : #define RUN_WITH_UMASK(mask)                                            \
      24                 :            :         for (_cleanup_umask_ mode_t _saved_umask_ = umask(mask) | S_IFMT; \
      25                 :            :              FLAGS_SET(_saved_umask_, S_IFMT);                          \
      26                 :            :              _saved_umask_ &= 0777)