* Copyright (c) 2014 Jeremie Courreges-Anglas <jca@openbsd.org>
 * Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
 * Copyright (c) 2014 Ted Unangst <tedu@openbsd.org>
 * Copyright (c) 2015 Bob Beck <beck@openbsd.org>
 * Copyright (c) 2015 Joel Sing <jsing@openbsd.org>
 * Copyright (c) 2015 Marko Kreen <markokr@gmail.com>
 * Copyright (c) 2015 Reyk Floeter <reyk@openbsd.org>
 * Copyright (c) 2016 Bob Beck <beck@openbsd.org>
 * Copyright (c) 2016 Tobias Pape <tobias@netshed.de>
 * Copyright (c) 2021 Eric Faurot <eric@openbsd.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.