incubator-nuttx/include/assert.h

110 lines
3.6 KiB
C

/****************************************************************************
* include/assert.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __INCLUDE_ASSERT_H
#define __INCLUDE_ASSERT_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/compiler.h>
#include <stdint.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Macro Name: PANIC, ASSERT, VERIFY, et al. */
#undef PANIC /* Unconditional abort */
#undef ASSERT /* Assert if the condition is not true */
#undef VERIFY /* Assert if a function returns a negative value */
#undef DEBUGPANIC /* Like PANIC, but only if CONFIG_DEBUG_ASSERTIONS is defined */
#undef DEBUGASSERT /* Like ASSERT, but only if CONFIG_DEBUG_ASSERTIONS is defined */
#undef DEBUGVERIFY /* Like VERIFY, but only if CONFIG_DEBUG_ASSERTIONS is defined */
#ifdef CONFIG_HAVE_FILENAME
# define PANIC() _assert(__FILE__, __LINE__)
#else
# define PANIC() _assert("unknown", 0)
#endif
#define ASSERT(f) do { if (!(f)) PANIC(); } while (0)
#define VERIFY(f) do { if ((f) < 0) PANIC(); } while (0)
#ifdef CONFIG_DEBUG_ASSERTIONS
# define DEBUGPANIC() PANIC()
# define DEBUGASSERT(f) ASSERT(f)
# define DEBUGVERIFY(f) VERIFY(f)
#else
# define DEBUGPANIC()
# define DEBUGASSERT(f) UNUSED(f)
# define DEBUGVERIFY(f) ((void)(f))
#endif
/* The C standard states that if NDEBUG is defined, assert will do nothing.
* Users can define and undefine NDEBUG as they see fit to choose when assert
* does something or does not do anything.
*/
#ifdef NDEBUG
# define assert(f) UNUSED(f)
#else
# define assert(f) ASSERT(f)
#endif
/* Definition required for C11 compile-time assertion checking. The
* static_assert macro simply expands to the _Static_assert keyword.
*/
#ifndef __cplusplus
# define static_assert _Static_assert
#endif
/****************************************************************************
* Included Files
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
void _assert(FAR const char *filename, int linenum) noreturn_function;
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __INCLUDE_ASSERT_H */