NetBSD/usr.sbin/unlink/unlink.c
kleink a87a0a6236 For XCU5's sake, and due to popular demand, add link(8) and unlink(8)
utilities.  This addresses PR standards/8027 by Giles Lean, who also submitted
a different implementation along with; I chose to add those files I had written
a while ago for reasons of portability and not requiring being cleaned up wrt.
compile-time warnings.
1999-07-19 09:11:25 +00:00

82 lines
2.6 KiB
C

/* $NetBSD: unlink.c,v 1.1 1999/07/19 09:11:26 kleink Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Klaus Klein.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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>
#ifndef lint
__COPYRIGHT(
"@(#) Copyright (c) 1999\
The NetBSD Foundation, Inc. All rights reserved.");
__RCSID("$NetBSD: unlink.c,v 1.1 1999/07/19 09:11:26 kleink Exp $");
#endif
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int main __P((int, char *[]));
static void usage __P((void));
int
main(argc, argv)
int argc;
char *argv[];
{
(void)setlocale(LC_ALL, "");
if (argc != 2)
usage();
if (unlink(argv[1]) != 0) {
perror("unlink");
exit(EXIT_FAILURE);
}
exit(EXIT_SUCCESS);
/* NOTREACHED */
}
static void
usage()
{
(void)fprintf(stderr, "usage: unlink file");
exit(EXIT_FAILURE);
}