47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
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// Copyright 2017 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/* This header file wraps newlib's own unmodified assert.h and adds
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support for silent assertion failure.
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*/
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#pragma once
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#include <sdkconfig.h>
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#include <stdlib.h>
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#include_next <assert.h>
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/* moved part of libc provided assert to here allows
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* tweaking the assert macro to use __builtin_expect()
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* and reduce jumps in the "asserts OK" code path
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*
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* Note: using __builtin_expect() not likely() to avoid defining the likely
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* macro in namespace of non-IDF code that may include this standard header.
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*/
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#undef assert
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#if defined(NDEBUG)
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# define assert(__e) ((void)0)
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#elif CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT
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#define assert(__e) __builtin_expect(!!(__e), 1) ? (void)0 : abort()
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#else // !CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT
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#define assert(__e) (__builtin_expect(!!(__e), 1) ? (void)0 : __assert_func (__FILE__, __LINE__, \
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__ASSERT_FUNC, #__e))
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#endif
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