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hash.h revision 1.1 
      1 /* $OpenBSD: hash.h,v 1.1 1997/04/15 22:06:12 maja Exp $ */
      2 /*
      3  * Copyright (c) 1995
      4  *	Bill Paul <wpaul (at) ctr.columbia.edu>.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Bill Paul.
     17  * 4. Neither the name of the author nor the names of any co-contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  *	$FreeBSD: hash.h,v 1.5 1997/02/22 14:22:02 peter Exp $
     34  */
     35 
     36 /* Groupname entry hung off a member_entry node. */
     37 struct grouplist {
     38 	char *groupname;
     39 	struct grouplist *next;
     40 };
     41 
     42 /* Entry in the cooked member list hash table. */
     43 struct 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. */
     51 struct 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 
     63 extern void store __P(( struct group_entry ** , char *, char * ));
     64 extern void mstore __P(( struct member_entry ** , char *, char *, char * ));
     65 extern char *lookup __P(( struct group_entry **, char * ));
     66 extern void __endnetgrent __P(( void ));
     67 extern void __setnetgrent __P(( char * ));
     68 extern int __getnetgrent __P(( char **, char **, char ** ));
     69