forked from Imagelibrary/rtems
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup RTEMSTestSuites
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*
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* @brief This source file contains the implementation of
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* MemoryAllocationFailWhen() and __wrap_rtems_malloc().
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*/
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/*
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* Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "tx-support.h"
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void *__real_rtems_malloc( size_t );
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void *__wrap_rtems_malloc( size_t );
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static uint32_t fail_when_counter;
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void MemoryAllocationFailWhen( uint32_t counter )
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{
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fail_when_counter = counter;
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}
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static bool IsFail( void )
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{
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uint32_t counter;
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counter = fail_when_counter;
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if ( counter == 1 ) {
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fail_when_counter = 0;
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return true;
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}
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if ( counter > 1 ) {
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fail_when_counter = counter - 1;
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}
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return false;
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}
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void *__wrap_rtems_malloc( size_t size )
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{
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if ( IsFail() ) {
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return NULL;
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}
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return __real_rtems_malloc( size );
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}
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