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