stddef.h: Add standard defines for KiB, MiB, GiB, and TiB

Paul points out that some people like 1024*1024, others like
1048576, but in any case these are all open to typos.

Define KiB, MiB, GiB, and TiB as in the standard so people can use them.

Change-Id: Ic1b57e70d3e9b9e1c0242299741f71db91e7cd3f
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/2769
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
This commit is contained in:
Ronald G. Minnich 2013-03-15 20:17:26 -07:00
parent 5c66f08a3a
commit aa3f4287d4
1 changed files with 7 additions and 0 deletions

View File

@ -13,6 +13,13 @@ typedef unsigned int wint_t;
#define NULL ((void *)0)
/* Standard units. */
#define KiB (1<<10)
#define MiB (1<<20)
#define GiB (1<<30)
/* Could we ever run into this one? I hope we get this much memory! */
#define TiB (1<<40)
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#ifdef __PRE_RAM__