src/basic/umask-util.h

   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 static inline void umaskp(mode_t *u) {
  11         umask(*u);
  12 }
  13
  14 #define _cleanup_umask_ _cleanup_(umaskp)
  15
  16 struct _umask_struct_ {
  17         mode_t mask;
  18         bool quit;
  19 };
  20
  21 static inline void _reset_umask_(struct _umask_struct_ *s) {
  22         umask(s->mask);
  23 };
  24
  25 #define RUN_WITH_UMASK(mask)                                            \
  26         for (_cleanup_(_reset_umask_) struct _umask_struct_ _saved_umask_ = { umask(mask), false }; \
  27              !_saved_umask_.quit ;                                      \
  28              _saved_umask_.quit = true)