From: bernie <bernie@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Fri, 10 Feb 2006 12:36:57 +0000 (+0000)
Subject: Pacify IAR warnings for side-effects.
X-Git-Tag: 1.0.0~735
X-Git-Url: https://codewiz.org/gitweb?a=commitdiff_plain;h=ff16c7e3fd2184d58a87d5fe1576cd246ecb719e;p=bertos.git

Pacify IAR warnings for side-effects.


git-svn-id: https://src.develer.com/svnoss/bertos/trunk@506 38d2e660-2303-0410-9eaa-f027e97ec537
---

diff --git a/cfg/macros.h b/cfg/macros.h
index 5d363173..ded2261b 100755
--- a/cfg/macros.h
+++ b/cfg/macros.h
@@ -14,6 +14,9 @@
 
 /*#*
  *#* $Log$
+ *#* Revision 1.6  2006/02/10 12:36:57  bernie
+ *#* Pacify IAR warnings for side-effects.
+ *#*
  *#* Revision 1.5  2005/11/04 16:20:01  bernie
  *#* Fix reference to README.devlib in header.
  *#*
@@ -137,7 +140,13 @@
 		} while (0)
 #else /* !COMPILER_TYPEOF */
 	/* Sub-optimal implementation that only works with integral types. */
-	#define SWAP(a, b) ((a) ^= (b) ^= (a) ^= (b))
+	#define SWAP(a, b) \
+		do { \
+			(a) ^= (b); \
+			(b) ^= (a); \
+			(a) ^= (b); \
+		} while (0)
+
 #endif /* COMPILER_TYPEOF */
 
 #ifndef BV