xref: /titanic_41/usr/src/lib/libbc/libc/sys/4.2/unlink.c (revision 6d24d8e5e4f6a2d14992d9392981d8a16d695aec)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include "chkpath.h"
28 #include <sys/syscall.h>
29 #include <sys/fcntl.h>
30 
31 int
32 unlink(const char *path)
33 {
34 	CHKNULL(path);
35 
36 	if (strcmp(path, "/etc/utmp") == 0 ||
37 	    strcmp(path, "/var/adm/utmp") == 0)
38 		path = "/var/adm/utmpx";
39 	else if (strcmp(path, "/var/adm/wtmp") == 0)
40 		path = "/var/adm/wtmpx";
41 
42 	return (_syscall(SYS_unlinkat, AT_FDCWD, path, 0));
43 }
44