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/* calloc() function that is glibc compatible.
This wrapper function is required at least on Tru64 UNIX 5.1.
Copyright (C) 2004, 2005 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* written by Jim Meyering */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#undef calloc
#include <stdlib.h>
/* Allocate and zero-fill an NxS-byte block of memory from the heap.
If N or S is zero, allocate and zero-fill a 1-byte block. */
void *
rpl_calloc (size_t n, size_t s)
{
size_t bytes;
if (n == 0 || s == 0)
return calloc (1, 1);
/* Defend against buggy calloc implementations that mishandle
size_t overflow. */
bytes = n * s;
if (bytes / s != n)
return NULL;
return calloc (n, s);
}
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