xref: /titanic_52/usr/src/cmd/make/lib/vroot/open.cc (revision ccdeb6b6d71f3c9aa7e78b688f7b34fff109a817)
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  * Copyright 1993 Sun Microsystems, Inc. All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 
27 #include <sys/types.h>
28 #include <sys/stat.h>
29 #include <fcntl.h>
30 
31 extern int open(const char *path, int oflag, ...);
32 
33 #include <vroot/vroot.h>
34 #include <vroot/args.h>
35 
36 static int	open_thunk(char *path)
37 {
38 	vroot_result= open(path, vroot_args.open.flags, vroot_args.open.mode);
39 	return(vroot_result >= 0);
40 }
41 
42 int	open_vroot(char *path, int flags, int mode, pathpt vroot_path, pathpt vroot_vroot)
43 {
44 	vroot_args.open.flags= flags;
45 	vroot_args.open.mode= mode;
46 	translate_with_thunk(path, open_thunk, vroot_path, vroot_vroot,
47 				((flags & (O_CREAT|O_APPEND)) != 0) ? rw_write : rw_read);
48 	return(vroot_result);
49 }
50