abspath.c revision 1219:f89f56c2d9ac 
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) 1984, 1986, 1987, 1988, 1989 AT&T	*/
24/*	  All Rights Reserved  	*/
25
26/*
27 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
28 * Use is subject to license terms.
29 */
30
31#pragma ident	"%Z%%M%	%I%	%E% SMI"
32/*LINTLIBRARY*/
33/*
34 *  NAME
35 *	abspath - expand a path relative to some `.'
36 *
37 *  SYNOPSIS
38 *	string *abspath(char *path, char *dot, string *to)
39 *
40 *  DESCRIPTION
41 *	If "path" is relative, ie: does not start with `.', the
42 *	the value of "dot" will be prepended and the result
43 *	returned in "to". Otherwise, the value of "path" is
44 *	returned in "to".
45 */
46#include "c_synonyms.h"
47#include "libmail.h"
48#include <sys/types.h>
49
50string *
51abspath(char *path, char *dot, string *to)
52{
53	if (*path == '/') {
54		to = s_append(to, path);
55	} else {
56		to = s_append(to, dot);
57		to = s_append(to, path);
58	}
59	return (to);
60}
61