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/*
23 * Copyright (c) 1995-1997, by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/*LINTLIBRARY*/
30
31#include <sys/types.h>
32#include <sys/param.h>
33#include <errno.h>
34#include <unistd.h>
35#include <string.h>
36#include <stdlib.h>
37
38char *
39getwd(char *pathname)
40{
41	char *c;
42	long val;
43
44	if ((val = pathconf(".", _PC_PATH_MAX)) == -1L)
45		val = MAXPATHLEN + 1;
46
47	if ((c = getcwd(pathname, val)) == NULL) {
48		if (errno == EACCES)
49			(void) strcpy(pathname,
50				"getwd: a parent directory cannot be read");
51		else if (errno == ERANGE)
52			(void) strcpy(pathname, "getwd: buffer too small");
53		else
54			(void) strcpy(pathname, "getwd: failure occurred");
55		return (0);
56	}
57
58	return (c);
59}
60