LibC: add device macros in sys/sysmacros.h

2023-04-03 10:57:47 +03:00 · 2023-04-03 10:57:47 +03:00 · 914f718767
parent ebfd092075
commit 914f718767
1 changed files with 8 additions and 0 deletions
--- a/libc/include/sys/sysmacros.h
+++ b/libc/include/sys/sysmacros.h
@ -0,0 +1,8 @@
+#pragma once
+
+#include <sys/types.h>
+
+#define makedev(maj, min) ((dev_t)(maj) << 32 | (dev_t)(min))
+
+#define major(dev) (((dev) >> 32) & 0xFFFFFFFF)
+#define minor(dev) ( (dev)        & 0xFFFFFFFF)