You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
16 lines
394 B
16 lines
394 B
#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
|