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 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#include "lint.h"
30#include <sys/types.h>
31#include <sys/param.h>
32#include <errno.h>
33#include <unistd.h>
34#include <string.h>
35#include <stdlib.h>
36#include <limits.h>
37
38char *
39getwd(char *pathname)
40{
41	char *c;
42	long val;
43
44
45	if ((val = pathconf(".", _PC_PATH_MAX)) == -1)
46		val = MAXPATHLEN + 1;
47
48	if ((c = getcwd(pathname, val)) == NULL) {
49		if (errno == EACCES)
50			(void) strcpy(pathname,
51			    "getwd: a parent directory cannot be read");
52		else if (errno == ERANGE)
53			(void) strcpy(pathname, "getwd: buffer too small");
54		else
55			(void) strcpy(pathname, "getwd: failure occurred");
56		return (0);
57	}
58
59	return (c);
60}
61