xref: /titanic_44/usr/src/lib/libbc/libc/sys/sys5/rename.c (revision 9b79392525856301c6f8962f189c2a32242af618)
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 <sys/syscall.h>
28 #include <sys/fcntl.h>
29 
30 int
31 rename(char *path1, char *path2)
32 {
33 	char buf2[256];
34 
35 	if (strcmp(path1, "/etc/utmp") == 0 ||
36 	    strcmp(path1, "/var/adm/utmp") == 0) {
37 		path1 = "/var/adm/utmpx";
38 		strcpy(buf2, path2);
39 		strcat(buf2, "x");
40 		path2 = buf2;
41 	} else if (strcmp(path1, "/var/adm/wtmp") == 0) {
42 		path1 = "/var/adm/wtmpx";
43 		strcpy(buf2, path2);
44 		strcat(buf2, "x");
45 		path2 = buf2;
46 	}
47 
48 	return (_syscall(SYS_renameat, AT_FDCWD, path1, AT_FDCWD, path2));
49 }
50