| /* |
| * 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__ */ |