1 1.3 wiz /* $NetBSD: hash.h,v 1.3 2002/07/06 01:00:15 wiz Exp $ */ 2 1.2 lukem 3 1.1 lukem /* 4 1.1 lukem * Copyright (c) 1995 5 1.1 lukem * Bill Paul <wpaul (at) ctr.columbia.edu>. All rights reserved. 6 1.1 lukem * 7 1.1 lukem * Redistribution and use in source and binary forms, with or without 8 1.1 lukem * modification, are permitted provided that the following conditions 9 1.1 lukem * are met: 10 1.1 lukem * 1. Redistributions of source code must retain the above copyright 11 1.1 lukem * notice, this list of conditions and the following disclaimer. 12 1.1 lukem * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 lukem * notice, this list of conditions and the following disclaimer in the 14 1.1 lukem * documentation and/or other materials provided with the distribution. 15 1.1 lukem * 3. All advertising materials mentioning features or use of this software 16 1.1 lukem * must display the following acknowledgement: 17 1.1 lukem * This product includes software developed by Bill Paul. 18 1.1 lukem * 4. Neither the name of the author nor the names of any co-contributors 19 1.1 lukem * may be used to endorse or promote products derived from this software 20 1.1 lukem * without specific prior written permission. 21 1.1 lukem * 22 1.1 lukem * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 1.1 lukem * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 1.1 lukem * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 1.1 lukem * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE 26 1.1 lukem * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 1.1 lukem * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 1.1 lukem * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 1.1 lukem * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 1.1 lukem * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 1.1 lukem * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 1.1 lukem * SUCH DAMAGE. 33 1.1 lukem * 34 1.1 lukem */ 35 1.1 lukem 36 1.1 lukem /* Groupname entry hung off a member_entry node. */ 37 1.1 lukem struct grouplist { 38 1.1 lukem char *groupname; 39 1.1 lukem struct grouplist *next; 40 1.1 lukem }; 41 1.1 lukem 42 1.1 lukem /* Entry in the cooked member list hash table. */ 43 1.1 lukem struct member_entry { 44 1.1 lukem char *key; 45 1.1 lukem char *domain; 46 1.1 lukem struct grouplist *groups; 47 1.1 lukem struct member_entry *next; 48 1.1 lukem }; 49 1.1 lukem 50 1.1 lukem /* Entry in the raw netgroup table. */ 51 1.1 lukem struct group_entry { 52 1.1 lukem char *key; 53 1.1 lukem char *data; 54 1.1 lukem struct group_entry *next; 55 1.1 lukem }; 56 1.1 lukem 57 1.1 lukem /* Table size (chosen arbitrarily). Not too big, not too small. */ 58 1.1 lukem #define TABLESIZE 256 59 1.1 lukem #define HASH_MASK 0x000000FF 60 1.1 lukem 61 1.1 lukem #define LINSIZ 1024 * 10 62 1.1 lukem 63 1.3 wiz char *lookup(struct group_entry **, const char *); 64 1.3 wiz void mstore(struct member_entry **, const char *, const char *, 65 1.3 wiz const char *); 66 1.3 wiz void store(struct group_entry **, const char *, const char *); 67 1.3 wiz void rng_endnetgrent(void); 68 1.3 wiz int rng_getnetgrent(char **, char **, char **); 69 1.3 wiz void rng_setnetgrent(const char *); 70