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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup libcsupport
*
* @brief This source file contains the implementation of rtems_calloc().
*/
/*
* Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/malloc.h>
#include <errno.h>
#include <stdlib.h>
#include <rtems/score/memory.h>
RTEMS_WEAK void *rtems_malloc( size_t size )
{
if ( size == 0 ) {
return NULL;
}
return _Memory_Allocate( _Memory_Get(), size, CPU_HEAP_ALIGNMENT );
}
RTEMS_WEAK int posix_memalign( void **memptr, size_t alignment, size_t size )
{
void *p;
RTEMS_OBFUSCATE_VARIABLE( memptr );
if ( memptr == NULL ) {
return EINVAL;
}
*memptr = NULL;
if ( alignment < sizeof (void *) ) {
return EINVAL;
}
if ( ( ( alignment - 1 ) & alignment ) != 0 ) {
return EINVAL;
}
if ( size == 0 ) {
return 0;
}
p = _Memory_Allocate( _Memory_Get(), size, alignment );
if ( p == NULL ) {
return ENOMEM;
}
*memptr = p;
return 0;
}
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