/*
 *	aegis - project change supervisor
 *	Copyright (C) 1998, 2003 Peter Miller;
 *	All rights reserved.
 *
 *	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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 *
 * MANIFEST: interface definition for common/itab.c
 */

#ifndef COMMON_ITAB_H
#define COMMON_ITAB_H

#include <main.h>

typedef long itab_key_ty;

typedef struct itab_row_ty itab_row_ty;
struct itab_row_ty
{
    itab_key_ty     key;
    void	    *data;
    itab_row_ty     *overflow;
};

typedef struct itab_ty itab_ty;
struct itab_ty
{
    void            (*reap)(void *);
    itab_row_ty     **hash_table;
    itab_key_ty     hash_modulus;
    itab_key_ty     hash_mask;
    itab_key_ty     load;
};

itab_ty *itab_alloc(int);
void itab_free(itab_ty *);
void *itab_query(itab_ty *, itab_key_ty);
void itab_assign(itab_ty *, itab_key_ty, void *);
void itab_delete(itab_ty *, itab_key_ty);
void itab_walk(itab_ty *, void (*)(itab_ty *, itab_key_ty, void *, void *),
	void *);

#endif /* COMMON_ITAB_H */
