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, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /* Copyright (c) 1988 AT&T */
23 /* All Rights Reserved */
24
25
26 /*
27 * Copyright (c) 1999 by Sun Microsystems, Inc.
28 * All rights reserved.
29 */
30
31 /* vpopen - view path version of the open system call */
32
33 #include <sys/types.h>
34 #include <fcntl.h>
35 #include <sys/stat.h>
36 #include <stdio.h>
37 #include "vp.h"
38
39 #define READ 0
40
41 int
vpopen(char * path,int oflag)42 vpopen(char *path, int oflag)
43 {
44 char buf[MAXPATH + 1];
45 int returncode;
46 int i;
47
48 if ((returncode = open(path, oflag, 0666)) == -1 && *path != '/' &&
49 oflag == READ) {
50 vpinit((char *)0);
51 for (i = 1; i < vpndirs; i++) {
52 (void) sprintf(buf, "%s/%s", vpdirs[i], path);
53 if ((returncode = open(buf, oflag, 0666)) != -1) {
54 break;
55 }
56 }
57 }
58 return (returncode);
59 }
60