/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief Allocate Space for Array in Memory
* @ingroup libcsupport
*/
/*
* COPYRIGHT (c) 1989-2014.
* On-Line Applications Research Corporation (OAR).
*
* 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
#if defined(RTEMS_NEWLIB) && !defined(HAVE_CALLOC)
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <rtems/score/basedefs.h>
void *calloc(
size_t nelem,
size_t elsize
)
{
void *cptr;
size_t length;
if ( nelem == 0 ) {
return NULL;
}
if ( elsize > SIZE_MAX / nelem ) {
errno = ENOMEM;
return NULL;
}
length = nelem * elsize;
cptr = malloc( length );
RTEMS_OBFUSCATE_VARIABLE( cptr );
if ( RTEMS_PREDICT_FALSE( cptr == NULL ) ) {
return cptr;
}
return memset( cptr, 0, length );
}
#endif
