Files
openharmony_kernel_liteos_m/kal/posix/include/sys/sysmacros.h
caoruihong d3e54ea9aa Description: add posix api header files from musl
CommitID:70a1d0d4761c478b6b33c3eb29af254a445ada74
2021-01-22 16:32:15 +08:00

16 lines
394 B
C

#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