Merge from vendor branch BINUTILS:
[dragonfly.git] / libexec / revnetgroup / hash.h
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1/*
2 * Copyright (c) 1995
3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD: src/libexec/revnetgroup/hash.h,v 1.6 1999/08/28 00:09:48 peter Exp $
3eefb696 33 * $DragonFly: src/libexec/revnetgroup/hash.h,v 1.3 2003/11/14 03:54:30 dillon Exp $
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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
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63extern void store ( struct group_entry ** , char *, char * );
64extern void mstore ( struct member_entry ** , char *, char *, char * );
65extern char *lookup ( struct group_entry **, char * );
66extern void __endnetgrent ( void );
67extern void __setnetgrent ( char * );
68extern int __getnetgrent ( char **, char **, char ** );