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/* -*- c -*- */
/*
* chash.h
*
* chpp
*
* Copyright (C) 1997-1998 Herbert Poetzl
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __CHASH_H__
#define __CHASH_H__
struct hash_entry {
long hashcode;
char *key;
void *value;
};
struct hash_control {
int sizelog;
long mask;
long entries;
long memsize;
struct hash_entry *data;
struct hash_entry *wall;
};
typedef struct hash_control *hash;
struct hash_state {
hash table;
long hashpos;
struct {
unsigned int active:1;
} sflags;
};
typedef struct hash_state hstate;
hash hash_new(long capacity);
void hash_free(hash table);
void hash_empty(hash table);
int hash_insert(hash table, const char *key, void *value);
int hash_inject(hash table, const char *key, void *value);
void * hash_replace(hash table, const char *key, void *value);
void * hash_delete(hash table, const char *key);
void * hash_lookup(hash table, const char *key);
hstate hash_state(hash table);
void * hash_next(hstate *state, char **key);
int hash_count(hash table);
#endif
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