144 lines
4.9 KiB
C
144 lines
4.9 KiB
C
/****************************************************************************
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* include/assert.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_ASSERT_H
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#define __INCLUDE_ASSERT_H
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/compiler.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Macro Name: PANIC, ASSERT, VERIFY, et al. */
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#undef PANIC /* Unconditional abort */
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#undef ASSERT /* Assert if the condition is not true */
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#undef VERIFY /* Assert if a function returns a negative value */
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#undef DEBUGPANIC /* Like PANIC, but only if CONFIG_DEBUG_ASSERTIONS is defined */
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#undef DEBUGASSERT /* Like ASSERT, but only if CONFIG_DEBUG_ASSERTIONS is defined */
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#undef DEBUGVERIFY /* Like VERIFY, but only if CONFIG_DEBUG_ASSERTIONS is defined */
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#ifndef CONFIG_HAVE_FILENAME
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# define __FILE__ NULL
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# define __LINE__ 0
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#endif
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#define PANIC() __assert(__FILE__, __LINE__, "panic")
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#ifdef CONFIG_DEBUG_ASSERTIONS_EXPRESSION
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#define ASSERT(f) do { if (!(f)) __assert(__FILE__, __LINE__, #f); } while (0)
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#define VERIFY(f) do { if ((f) < 0) __assert(__FILE__, __LINE__, #f); } while (0)
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#else
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#define ASSERT(f) do { if (!(f)) __assert(__FILE__, __LINE__, NULL); } while (0)
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#define VERIFY(f) do { if ((f) < 0) __assert(__FILE__, __LINE__, NULL); } while (0)
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#endif
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#ifdef CONFIG_DEBUG_ASSERTIONS
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# define DEBUGPANIC() PANIC()
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# define DEBUGASSERT(f) ASSERT(f)
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# define DEBUGVERIFY(f) VERIFY(f)
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#else
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# define DEBUGPANIC()
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# define DEBUGASSERT(f) ((void)(1 || (f)))
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# define DEBUGVERIFY(f) ((void)(f))
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#endif
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/* The C standard states that if NDEBUG is defined, assert will do nothing.
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* Users can define and undefine NDEBUG as they see fit to choose when assert
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* does something or does not do anything.
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*/
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#ifdef NDEBUG
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# define assert(f) ((void)(1 || (f)))
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#else
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# define assert(f) ASSERT(f)
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#endif
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/* Definition required for C11 compile-time assertion checking. The
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* static_assert macro simply expands to the _Static_assert keyword.
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*/
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#ifndef __cplusplus
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# if defined(__STDC_VERSION__) && __STDC_VERSION__ > 199901L
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# define static_assert _Static_assert
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# else
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# define static_assert(cond, msg) \
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extern int (*__static_assert_function (void)) \
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[!!sizeof (struct { int __error_if_negative: (cond) ? 2 : -1; })]
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# endif
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#endif
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/****************************************************************************
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* Included Files
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: _assert
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*
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* Description:
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* This is the assert system call that performs the core dump etc. Function
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* might not return if it is not safe to do so (in IRQ or in IDLE task).
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*
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****************************************************************************/
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void _assert(FAR const char *filename, int linenum, FAR const char *msg);
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/****************************************************************************
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* Name: __assert
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*
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* Description:
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* This is the user space assert procedure.
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*
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****************************************************************************/
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void __assert(FAR const char *filename, int linenum,
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FAR const char *msg) noreturn_function;
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __INCLUDE_ASSERT_H */
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