X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=cfg%2Fmacros.h;h=ded2261bd9d64de06631508109a5e8bd293a30bc;hb=3fe111f7f4553bcddac984241cec6db0cbf81eb9;hp=5d363173d6327a2c570053338cda9ea980ffd28e;hpb=76c53bfa0136be55cf17e57b1ee098e5dfeefa70;p=bertos.git

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