xref: /titanic_50/usr/src/lib/libmail/common/abspath.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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) 1984, 1986, 1987, 1988, 1989 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 /*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 "synonyms.h"
47 #include "libmail.h"
48 #include <sys/types.h>
49 
50 string *
51 abspath(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