diff options
| author | Alon Zakai <alonzakai@gmail.com> | 2013-09-24 18:25:09 -0700 |
|---|---|---|
| committer | Alon Zakai <alonzakai@gmail.com> | 2013-09-24 18:25:09 -0700 |
| commit | 05b6aa32a5f1633797f7eae390b3a8048b29ca69 (patch) | |
| tree | 43543261bb5485b1c109e0e9f93dcb2f7bcd227d /system/include/libc/sys/sysmacros.h | |
| parent | 6010666be99cd0322babba1174cfbc65c776deb5 (diff) | |
| parent | 8e2d812b49f7de9487e1c816229106af0cf39d0d (diff) | |
Merge branch 'incoming'
Diffstat (limited to 'system/include/libc/sys/sysmacros.h')
| -rw-r--r-- | system/include/libc/sys/sysmacros.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/system/include/libc/sys/sysmacros.h b/system/include/libc/sys/sysmacros.h new file mode 100644 index 00000000..07a3ef18 --- /dev/null +++ b/system/include/libc/sys/sysmacros.h @@ -0,0 +1,15 @@ +#ifndef _SYS_SYSMACROS_H +#define _SYS_SYSMACROS_H + +#define major(x) \ + ((unsigned)( (((x)>>31>>1) & 0xfffff000) | (((x)>>8) & 0x00000fff) )) +#define minor(x) \ + ((unsigned)( (((x)>>12) & 0xffffff00) | ((x) & 0x000000ff) )) + +#define makedev(x,y) ( \ + (((x)&0xfffff000ULL) << 32) | \ + (((x)&0x00000fffULL) << 8) | \ + (((y)&0xffffff00ULL) << 12) | \ + (((y)&0x000000ffULL)) ) + +#endif |