zptr.h File Reference

32bit -> 16bit pointer compression implementation More...

Detailed Description

32bit -> 16bit pointer compression implementation

Author

Kaspar Schleiser kaspa.nosp@m.r@sc.nosp@m.hleis.nosp@m.er.d.nosp@m.e

Definition in file zptr.h.

#include <assert.h>
#include <stdint.h>
#include <inttypes.h>

Include dependency graph for zptr.h:

Go to the source code of this file.

Macros
#define	PRIzptr   PRIu16
	zptr printf format definition
#define	ZPTR_MAX_ADDR   ((uintptr_t)ZPTR_BASE + (1 << 18))
	zptr highest compressible address

Typedefs
typedef uint16_t	zptr_t
	zptr type definition

Functions
static int	zptr_check (void *pointer)
	Determine if a pointer is compressible by zptrc()
static zptr_t	zptrc (void *pointer)
	Compress a pointer (if possible)
static void *	zptrd (zptr_t zptr)
	Decompress a pointer.