esp-idf/components/newlib/platform_include/assert.h
2022-06-17 16:59:56 +02:00

45 lines
1.3 KiB
C

/*
* SPDX-FileCopyrightText: 2017-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/* This header file wraps newlib's own unmodified assert.h and adds
support for silent assertion failure.
*/
#pragma once
#include <sdkconfig.h>
#include <stdlib.h>
#include <stdint.h>
#include_next <assert.h>
/* moved part of libc provided assert to here allows
* tweaking the assert macro to use __builtin_expect()
* and reduce jumps in the "asserts OK" code path
*
* Note: using __builtin_expect() not likely() to avoid defining the likely
* macro in namespace of non-IDF code that may include this standard header.
*/
#undef assert
/* __FILENAME__ points to the file name instead of path + filename
* e.g __FILE__ points to "/apps/test.c" where as __FILENAME__ points to "test.c"
*/
#define __FILENAME__ (__builtin_strrchr( "/" __FILE__, '/') + 1)
#if defined(NDEBUG)
#define assert(__e) ((void)(__e))
#elif CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT
#define assert(__e) (__builtin_expect(!!(__e), 1) ? (void)0 : __assert_func(NULL, 0, NULL, NULL))
#else // !CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT
#define assert(__e) (__builtin_expect(!!(__e), 1) ? (void)0 : __assert_func (__FILENAME__, __LINE__, \
__ASSERT_FUNC, #__e))
#endif