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#pragma ident	"%Z%%M%	%I%	%E% SMI"
32
33/* vpopen - view path version of the open system call */
34
35#include <sys/types.h>
36#include <fcntl.h>
37#include <sys/stat.h>
38#include <stdio.h>
39#include "vp.h"
40
41#define	READ	0
42
43int
44vpopen(char *path, int oflag)
45{
46	char	buf[MAXPATH + 1];
47	int	returncode;
48	int	i;
49
50	if ((returncode = open(path, oflag, 0666)) == -1 && *path != '/' &&
51	    oflag == READ) {
52		vpinit((char *)0);
53		for (i = 1; i < vpndirs; i++) {
54			(void) sprintf(buf, "%s/%s", vpdirs[i], path);
55			if ((returncode = open(buf, oflag, 0666)) != -1) {
56				break;
57			}
58		}
59	}
60	return (returncode);
61}
62