/*

 * Copyright (c) 2008, 2010, 2011, 2016 Otto Moerbeek <otto@drijf.net>

 * Copyright (c) 2012 Matthew Dempsky <matthew@openbsd.org>

 * Copyright (c) 2008 Damien Miller <djm@openbsd.org>

 * Copyright (c) 2000 Poul-Henning Kamp <phk@FreeBSD.org>

 *

 * Permission to use, copy, modify, and distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above

 * copyright notice and this permission notice appear in all copies.

 *

 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 */

#include <string.h>

#include <stdlib.h>

void

freezero(void *ptr, size_t sz)

{

  /* This is legal. */

  if (ptr == NULL)

    return;

  explicit_bzero(ptr, sz);

  free(ptr);

}