1/*	$NetBSD: hash.h,v 1.2 1997/10/06 06:54:12 lukem Exp $ */
2
3/*
4 * Copyright (c) 1995
5 *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by Bill Paul.
18 * 4. Neither the name of the author nor the names of any co-contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 */
35
36/* Groupname entry hung off a member_entry node. */
37struct grouplist {
38	char *groupname;
39	struct grouplist *next;
40};
41
42/* Entry in the cooked member list hash table. */
43struct member_entry {
44	char *key;
45	char *domain;
46	struct grouplist *groups;
47	struct member_entry *next;
48};
49
50/* Entry in the raw netgroup table. */
51struct group_entry {
52	char *key;
53	char *data;
54	struct group_entry *next;
55};
56
57/* Table size (chosen arbitrarily). Not too big, not too small. */
58#define TABLESIZE 256
59#define HASH_MASK 0x000000FF
60
61#define LINSIZ 1024 * 10
62
63char   *lookup(struct group_entry **, const char *);
64void	mstore(struct member_entry **, const char *, const char *,
65	       const char *);
66void	store(struct group_entry **, const char *, const char *);
67void	rng_endnetgrent(void);
68int	rng_getnetgrent(char **, char **, char **);
69void	rng_setnetgrent(const char *);
70