1 /* 2 * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef __CASSERT_H__ 8 #define __CASSERT_H__ 9 10 /******************************************************************************* 11 * Macro to flag a compile time assertion. It uses the preprocessor to generate 12 * an invalid C construct if 'cond' evaluates to false. 13 * The following compilation error is triggered if the assertion fails: 14 * "error: size of array 'msg' is negative" 15 * The 'unused' attribute ensures that the unused typedef does not emit a 16 * compiler warning. 17 ******************************************************************************/ 18 #define CASSERT(cond, msg) \ 19 typedef char msg[(cond) ? 1 : -1] __unused 20 21 #endif /* __CASSERT_H__ */ 22
