1 files changed, 8 insertions, 0 deletions
diff --git a/shared/systemd/src/basic/fs-util.h b/shared/systemd/src/basic/fs-util.h
index b9651205..c5527cc4 100644
--- a/shared/systemd/src/basic/fs-util.h
+++ b/shared/systemd/src/basic/fs-util.h
@@ -7,12 +7,20 @@
 #include <stdbool.h>
 #include <stdint.h>
 #include <sys/inotify.h>
+#include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
 
 #include "errno-util.h"
 #include "time-util.h"
 
+#define MODE_INVALID ((mode_t) -1)
+
+/* The following macros add 1 when converting things, since 0 is a valid mode, while the pointer
+ * NULL is special */
+#define PTR_TO_MODE(p) ((mode_t) ((uintptr_t) (p)-1))
+#define MODE_TO_PTR(u) ((void *) ((uintptr_t) (u)+1))
+
 int unlink_noerrno(const char *path);
 
 int rmdir_parents(const char *path, const char *stop);