1 files changed, 23 insertions, 0 deletions
diff --git a/include/lib/cassert.h b/include/lib/cassert.h
new file mode 100644
index 0000000..bbfdfdb
--- /dev/null
+++ b/include/lib/cassert.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2014-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CASSERT_H
+#define CASSERT_H
+
+#include <cdefs.h>
+
+/*******************************************************************************
+ * 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:
+ * "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] __unused
+
+#endif /* CASSERT_H */