NetBSD/tests/kernel/h_fexecve.c

52 lines
2.0 KiB
C

/* $NetBSD: h_fexecve.c,v 1.1 2019/09/15 16:53:58 christos Exp $ */
/*-
* Copyright (c) 2019 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: h_fexecve.c,v 1.1 2019/09/15 16:53:58 christos Exp $");
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <err.h>
int
main(int argc, char *argv[])
{
char *args[] = { argv[1], NULL };
int fd = open(args[0], O_RDONLY);
if (fd == -1)
err(EXIT_FAILURE, "open %s", args[0]);
if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
err(EXIT_FAILURE, "fcntl");
if (fexecve(fd, args, NULL) == -1)
err(EXIT_FAILURE, "fexecve");
return EXIT_SUCCESS;
}