include/strhash.h

   1 #ifndef _STRHASH_H_INCLUDE
   2 #define _STRHASH_H_INCLUDE
   3
   4 /* $FreeBSD: /repoman/r/ncvs/src/include/strhash.h,v 1.3 1999/08/28 04:59:30 peter Exp $ */
   5
   6 /*
   7  *
   8  *                      Copyright 1990
   9  *               Terry Jones & Jordan Hubbard
  10  *
  11  *                PCS Computer Systeme, GmbH.
  12  *                   Munich, West Germany
  13  *
  14  *
  15  *  All rights reserved.
  16  *
  17  *  This is unsupported software and is subject to change without notice.
  18  *  the author makes no representations about the suitability of this software
  19  *  for any purpose. It is supplied "as is" without express or implied
  20  *  warranty.
  21  *
  22  *  Permission to use, copy, modify, and distribute this software and its
  23  *  documentation for any purpose and without fee is hereby granted, provided
  24  *  that the above copyright notice appear in all copies and that both that
  25  *  copyright notice and this permission notice appear in supporting
  26  *  documentation, and that the name of the author not be used in
  27  *  advertising or publicity pertaining to distribution of the software
  28  *  without specific, written prior permission.
  29  *
  30  */
  31
  32 /*
  33  * This is the definition file for hash.c. The plunderer from down-under
  34  * did the code, I just helped define the spec. That's why his name gets
  35  * to go first.
  36  */
  37
  38 #define HASH_SZ 97
  39
  40 typedef struct _node {
  41     char *key;
  42     void *data;
  43     struct _node *next;
  44 } hash_node;
  45
  46 typedef struct {
  47     int size;
  48     hash_node **buckets;
  49 } hash_table;
  50
  51 #include <sys/cdefs.h>
  52
  53 __BEGIN_DECLS
  54 hash_table *hash_create(int size);
  55 void    hash_destroy(hash_table *table, char *key,
  56                      void (*nukefunc)(char *k, void *d));
  57 void    *hash_search(hash_table *table, char *key, void *datum,
  58                      void (*replace_func)(void *d));
  59 void    hash_traverse(hash_table *table,
  60                       int (*func)(char *k, void *d, void *arg), void *arg);
  61 void    hash_purge(hash_table *table, void (*purge_func)(char *k, void *d));
  62
  63 #ifdef HASH_STATS
  64 extern void hash_stats();
  65 #endif
  66 __END_DECLS
  67
  68 #endif /* _STRHASH_H_INCLUDE */