/* * sys/sysmacros.h * * Constructs to create and pick apart dev_t. This applies to the Linux 2.6 * 32-bit dev_t format. */ #ifndef _SYS_SYSMACROS_H #define _SYS_SYSMACROS_H #ifndef _SYS_TYPES_H # include #endif static __inline__ int major(dev_t __d) { return (__d >> 8) & 0xfff; } static __inline__ int minor(dev_t __d) { return (__d & 0xff) | ((__d >> 12) & 0xfff00); } static __inline__ dev_t makedev(int __ma, int __mi) { return ((__ma & 0xfff) << 8) | (__mi & 0xff) | ((__mi & 0xfff00) << 12); } #endif /* _SYS_SYSMACROS_H */