musl/include/sys/sysmacros.h

#ifndef _SYS_SYSMACROS_H
#define _SYS_SYSMACROS_H

#define major(x) \
	((unsigned)( (((x)>>32) & 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
header file fixes: multiple include guard consistency and correctness one file was reusing another file's macro name, and many had inconsistent underscores and application of SYS prefix, etc. patch by Szabolcs Nagy (nsz) 2012-06-15 21:52:53 -04:00			`#ifndef _SYS_SYSMACROS_H`
			`#define _SYS_SYSMACROS_H`
initial check-in, version 0.5.0 2011-02-12 00:22:29 -05:00
support full range of dev_t major/minor numbers in makedev, etc. macros 2013-05-15 16:15:50 -04:00			`#define major(x) \`
			`((unsigned)( (((x)>>32) & 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)) )`
initial check-in, version 0.5.0 2011-02-12 00:22:29 -05:00
			`#endif`