[coreboot-gerrit] Change in coreboot[master]: commonlib/helpers: Add helper macro for member_size

[Furquan Shaikh (Code Review)]

Furquan Shaikh has uploaded a new change for review. ( https://review.coreboot.org/19384 )

Change subject: commonlib/helpers: Add helper macro for member_size
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commonlib/helpers: Add helper macro for member_size

member_size macro provides the size of a structure member.

Change-Id: I53e9c9bf70b3ebed0d15e8258111b17e50667a74
Signed-off-by: Furquan Shaikh <furquan at chromium.org>
---
M src/commonlib/include/commonlib/helpers.h
1 file changed, 3 insertions(+), 0 deletions(-)


  git pull ssh://review.coreboot.org:29418/coreboot refs/changes/84/19384/1

diff --git a/src/commonlib/include/commonlib/helpers.h b/src/commonlib/include/commonlib/helpers.h
index d2ef941..0a796ba 100644
--- a/src/commonlib/include/commonlib/helpers.h
+++ b/src/commonlib/include/commonlib/helpers.h
@@ -85,6 +85,9 @@
 	const __typeof__(((type *)0)->member) *__mptr = (ptr);	\
 	(type *)((char *)__mptr - offsetof(type, member)); })
 
+/* Calculate size of structure member. */
+#define member_size(type, member)	(sizeof(((type *)0)->member))
+
 #ifndef __unused
 #define __unused __attribute__((unused))
 #endif

-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I53e9c9bf70b3ebed0d15e8258111b17e50667a74
Gerrit-PatchSet: 1
Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Owner: Furquan Shaikh <furquan at google.com>