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95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/*
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* $Id: stdlib_calloc.c,v 1.7 2006-01-08 12:04:25 obarthel Exp $
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*
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* :ts=4
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*
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* Portable ISO 'C' (1994) runtime library for the Amiga computer
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* Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
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* All rights reserved.
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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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*
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* - 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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*
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* - Neither the name of Olaf Barthel nor the names of contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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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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#ifndef _STDLIB_HEADERS_H
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#include "stdlib_headers.h"
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#endif /* _STDLIB_HEADERS_H */
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/****************************************************************************/
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#ifndef _STDLIB_MEMORY_H
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#include "stdlib_memory.h"
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#endif /* _STDLIB_MEMORY_H */
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/****************************************************************************/
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#undef calloc
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/****************************************************************************/
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__static void *
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__calloc(size_t num_elements, size_t element_size, const char * file, int line)
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{
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void * result = NULL;
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size_t total_size;
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#ifdef __MEM_DEBUG
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{
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__check_memory_allocations(file, line);
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}
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#endif /* __MEM_DEBUG */
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/* Check for overflow. */
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total_size = element_size * num_elements;
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if (num_elements > 0 && element_size > 0 && element_size != (total_size / num_elements))
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{
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D(("calloc(num_elements=%ld, element_size=%ld) overflow"));
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goto out;
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}
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result = __malloc(total_size, file, line);
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if (result == NULL)
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{
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SHOWMSG("memory allocation failure");
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goto out;
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}
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memset(result, 0, total_size);
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out:
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return result;
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}
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/****************************************************************************/
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void *
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calloc(size_t num_elements, size_t element_size)
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{
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void * result;
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result = __calloc(num_elements, element_size, NULL, 0);
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return(result);
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}
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