From: arighi <arighi@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Thu, 30 Sep 2010 14:15:13 +0000 (+0000)
Subject: Introduce ALIGN_UP() macro
X-Git-Tag: 2.6.0~15
X-Git-Url: https://codewiz.org/gitweb?a=commitdiff_plain;h=2045959d176e3584849c9bd67728317922604265;p=bertos.git

Introduce ALIGN_UP() macro

Add a generic macro to align a value to the next alignment boundary.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@4386 38d2e660-2303-0410-9eaa-f027e97ec537
---

diff --git a/bertos/cfg/macros.h b/bertos/cfg/macros.h
index d0ccf433..3ec6b277 100644
--- a/bertos/cfg/macros.h
+++ b/bertos/cfg/macros.h
@@ -94,6 +94,11 @@
 	#define MAX(a,b)	(((a) > (b)) ? (a) : (b))
 #endif /* !(COMPILER_STATEMENT_EXPRESSIONS && COMPILER_TYPEOF) */
 
+/** Align \p value to the next \p align boundary */
+#define ALIGN_UP(value, align)	(((value) & ((align) - 1)) ? \
+				(((value) + ((align) - 1)) & ~((align) - 1)) : \
+				(value))
+
 /** Bound \a x between \a min and \a max. */
 #define MINMAX(min,x,max)  (MIN(MAX(min, x), max))