xref: /illumos-gate/usr/src/uts/common/sys/pkp_hash.h (revision 3bbf88b3546192f29c18986b9fb8a19ff364a4ea)
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  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23  */
24 
25 #ifndef	_PKP_HASH_H_
26 #define	_PKP_HASH_H_
27 
28 #include <sys/types.h>
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
34 /*
35  * Pearson's string hash
36  *
37  * See: Communications of the ACM, June 1990 Vol 33 pp 677-680
38  * http://portal.acm.org/citation.cfm?doid=78973.78978
39  */
40 #define	PKP_HASH_SIZE		256
41 
42 extern uint_t pkp_tab_hash(char *, int);
43 
44 #ifdef __cplusplus
45 }
46 #endif
47 
48 #endif /* _PKP_HASH_H_ */
49