Merge pull request #408 from sandrine-bailleux/sb/cassert

Make CASSERT() macro callable from anywhere

Merge pull request #408 from sandrine-bailleux/sb/cassert
Make CASSERT() macro callable from anywhere
e662262f · danh-arm · 3ef8f7af · c17a4dc3 · e662262f
Commit e662262f authored 9 years ago by danh-arm
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with 5 additions and 2 deletions
+5 -2
--- a/include/lib/cassert.h
+++ b/include/lib/cassert.h
@@ -34,9 +34,12 @@
 /*******************************************************************************
 * Macro to flag a compile time assertion. It uses the preprocessor to generate
 * an invalid C construct if 'cond' evaluates to false.
- * The following  compilation error is triggered if the assertion fails:
+ * The following compilation error is triggered if the assertion fails:
 * "error: size of array 'msg' is negative"
+ * The 'unused' attribute ensures that the unused typedef does not emit a
+ * compiler warning.
 ******************************************************************************/
-#define CASSERT(cond, msg)	typedef char msg[(cond) ? 1 : -1]
+#define CASSERT(cond, msg)	\
+	typedef char msg[(cond) ? 1 : -1] __attribute__((unused))

 #endif /* __CASSERT_H__ */