0016-Add-standalone-freezero.patch (1725B)
- From 98a3b77cfa775c87010159d49f5b17d84fe1aa7b Mon Sep 17 00:00:00 2001
- From: Michael Forney <mforney@mforney.org>
- Date: Tue, 10 Oct 2017 03:07:56 -0700
- Subject: [PATCH] Add standalone freezero
- ---
- lib/libc/stdlib/freezero.c | 32 ++++++++++++++++++++++++++++++++
- 1 file changed, 32 insertions(+)
- create mode 100644 lib/libc/stdlib/freezero.c
- diff --git a/lib/libc/stdlib/freezero.c b/lib/libc/stdlib/freezero.c
- new file mode 100644
- index 00000000000..31face3828b
- --- /dev/null
- +++ b/lib/libc/stdlib/freezero.c
- @@ -0,0 +1,32 @@
- +/*
- + * 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);
- +}
- --
- 2.14.2