xref: /illumos-gate/usr/src/lib/libpkg/common/path_valid.c (revision 3ce5372277f4657ad0e52d36c979527c4ca22de2)
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 (c) 2017 Peter Tribble.
24  */
25 
26 /*
27  * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
28  * Use is subject to license terms.
29  */
30 
31 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
32 /* All Rights Reserved */
33 
34 #include <limits.h>
35 #include <string.h>
36 #include <sys/types.h>
37 
38 /*
39  * Name:		path_valid
40  * Description:	Checks a string for being a valid path
41  *
42  * Arguments:	path - path to validate
43  *
44  * Returns :	B_TRUE - success, B_FALSE otherwise.
45  *		B_FALSE means path was null, too long (>PATH_MAX),
46  *		or too short (<1)
47  */
48 boolean_t
49 path_valid(char *path)
50 {
51 	if (path == NULL) {
52 		return (B_FALSE);
53 	} else if (strlen(path) > PATH_MAX) {
54 		return (B_FALSE);
55 	} else if (strlen(path) >= 1) {
56 		return (B_TRUE);
57 	} else {
58 		/* path < 1 */
59 		return (B_FALSE);
60 	}
61 }
62