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RIOT/core/include/assert.h
2015-09-11 23:23:30 +02:00

58 lines
1.2 KiB
C

/*
* Copyright (C) 2015 INRIA
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @addtogroup core_util
*
* @{
* @file
* @brief POSIX.1-2008 compliant version of the assert macro
*
* @author Oliver Hahm <oliver.hahm@inria.fr>
*/
#ifndef ASSERT_H
#define ASSERT_H
#include "panic.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief the string that is passed to panic in case of a failing assertion
*/
extern const char assert_crash_message[];
/**
* @brief abort the program if assertion is false
*
* If the macro NDEBUG was defined at the moment <assert.h> was last included,
* the macro assert() generates no code, and hence does nothing at all.
*
* Otherwise, the macro assert() prints an error message to standard error and
* terminates the application by calling core_panic().
*
* The purpose of this macro is to help programmers find bugs in their
* programs.
*/
#ifdef NDEBUG
#define assert(ignore)((void) 0)
#else
#define assert(cond) ((cond) ? (void)0 : core_panic(PANIC_ASSERT_FAIL, assert_crash_message))
#endif
#ifdef __cplusplus
}
#endif
#endif /* ASSERT_H */
/** @} */