/**
 * A general (pointer -> pointer) hash table ADT
 * 
 * $Id$
 *
 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
 *
 * 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. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */
 
#ifndef BLI_GHASH_H
#define BLI_GHASH_H

struct GHash;
typedef struct GHash GHash;

typedef unsigned int	(*GHashHashFP)		(void *key);
typedef int				(*GHashCmpFP)		(void *a, void *b);
typedef	void			(*GHashKeyFreeFP)	(void *key);
typedef void			(*GHashValFreeFP)	(void *val);

GHash*	BLI_ghash_new		(GHashHashFP hashfp, GHashCmpFP cmpfp);
void	BLI_ghash_free		(GHash *gh, GHashKeyFreeFP keyfreefp, GHashValFreeFP valfreefp);

void	BLI_ghash_insert	(GHash *gh, void *key, void *val);
void*	BLI_ghash_lookup	(GHash *gh, void *key);
int		BLI_ghash_haskey	(GHash *gh, void *key);

unsigned int	BLI_ghashutil_ptrhash	(void *key);
int				BLI_ghashutil_ptrcmp	(void *a, void *b);

unsigned int	BLI_ghashutil_strhash	(void *key);
int				BLI_ghashutil_strcmp	(void *a, void *b);

#endif