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/* vi: set sw=4 ts=4: */
/* calloc for uClibc
*
* Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
* for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this program; see the file COPYING.LIB. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
#include <errno.h>
void * calloc(size_t nmemb, size_t lsize)
{
void *result;
size_t size=lsize * nmemb;
/* guard vs integer overflow, but allow nmemb
* to fall through and call malloc(0) */
if (nmemb && lsize != (size / nmemb)) {
__set_errno(ENOMEM);
return NULL;
}
if ((result=malloc(size)) != NULL) {
memset(result, 0, size);
}
return result;
}
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