Importing usr.sbin/unlink

No Minix-specific changes needed

Change-Id: Iab2345f6a661e1c1f21f8ae1a414b88762de26fc

distrib/sets/lists/minix/mi

@@ -4505,6 +4505,7 @@
 ./usr/man/man8/syslogd.8					minix-sys
 ./usr/man/man8/tcpd.8					minix-sys
 ./usr/man/man8/unix.8					minix-sys
+./usr/man/man8/unlink.8					minix-sys
 ./usr/man/man8/update.8					minix-sys
 ./usr/man/man8/usage.8					minix-sys
 ./usr/man/man8/user.8					minix-sys
@@ -4559,6 +4560,7 @@
 ./usr/sbin/rs				minix-sys
 ./usr/sbin/sched			minix-sys
 ./usr/sbin/tty				minix-sys
+./usr/sbin/unlink			minix-sys
 ./usr/sbin/user				minix-sys
 ./usr/sbin/useradd			minix-sys
 ./usr/sbin/userdel			minix-sys

releasetools/nbsd_ports

@@ -253,6 +253,7 @@
 2012/10/17 12:00:00,usr.sbin/postinstall
 2011/01/04 10:01:51,usr.sbin/pwd_mkdb
 2013/04/05 12:00:00,usr.sbin/rdate
+2012/10/17 12:00:00,usr.sbin/unlink
 2011/01/04 10:30:21,usr.sbin/user
 2009/04/19 00:44:49,usr.sbin/vipw
 2009/04/22 15:23:10,usr.sbin/zic

usr.sbin/Makefile

@@ -9,7 +9,8 @@ SUBDIR= \
 	link \
 	mtree \
 	pwd_mkdb postinstall \
-	rdate user \
+	rdate \
+	unlink user \
 	vipw \
 	zic
 

usr.sbin/unlink/Makefile

@@ -0,0 +1,6 @@
+#	$NetBSD: Makefile,v 1.1 1999/07/19 09:11:26 kleink Exp $
+
+PROG=	unlink
+MAN=	unlink.8
+
+.include <bsd.prog.mk>

usr.sbin/unlink/unlink.8

@@ -0,0 +1,60 @@
+.\"	$NetBSD: unlink.8,v 1.6 2008/04/30 13:11:03 martin 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.
+.\"
+.\" 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.
+.\"
+.Dd July 18, 1998
+.Dt UNLINK 8
+.Os
+.Sh NAME
+.Nm unlink
+.Nd call the unlink function
+.Sh SYNOPSIS
+.Nm
+.Ar file
+.Sh DESCRIPTION
+The
+.Nm
+utility performs the function call
+.Fn unlink file .
+.Pp
+.Ar file
+must be the pathname of an existing file.
+.Sh EXIT STATUS
+The
+.Nm
+utility exits 0 on success, and \*[Gt]0 if an error occurs.
+.Sh SEE ALSO
+.Xr rm 1 ,
+.Xr rmdir 1 ,
+.Xr unlink 2 ,
+.Xr link 8
+.Sh STANDARDS
+The
+.Nm
+utility conforms to
+.St -xcu5 .

usr.sbin/unlink/unlink.c

@@ -0,0 +1,70 @@
+/*	$NetBSD: unlink.c,v 1.5 2011/08/30 20:50:24 joerg 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.
+ *
+ * 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 1.5 2011/08/30 20:50:24 joerg Exp $");
+#endif
+
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+__dead static void	usage(void);
+
+int
+main(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)
+{
+
+	(void)fprintf(stderr, "usage: unlink file\n");
+	exit(EXIT_FAILURE);
+}