1 /* mbed Microcontroller Library 2 * Copyright (c) 2006-2013 ARM Limited 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef MBED_ASSERT_H 17 #define MBED_ASSERT_H 18 19 #ifdef __cplusplus 20 extern "C" { 21 #endif 22 23 /** Internal mbed assert function which is invoked when MBED_ASSERT macro failes. 24 * This function is active only if NDEBUG is not defined prior to including this 25 * assert header file. 26 * In case of MBED_ASSERT failing condition, the assertation message is printed 27 * to stderr and mbed_die() is called. 28 * @param expr Expresion to be checked. 29 * @param file File where assertation failed. 30 * @param line Failing assertation line number. 31 */ 32 void mbed_assert_internal(const char *expr, const char *file, int line); 33 34 #ifdef __cplusplus 35 } 36 #endif 37 38 #ifdef NDEBUG 39 #define MBED_ASSERT(expr) ((void)0) 40 41 #else 42 #define MBED_ASSERT(expr) \ 43 do { \ 44 if (!(expr)) { \ 45 mbed_assert_internal(#expr, __FILE__, __LINE__); \ 46 } \ 47 } while (0) 48 #endif 49 50 #endif 51