/* 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; }