/***************************************************************************
 *            hash.h
 *
 *  Copyright  2006  Philippe Rouquier
 *  Bonfire-app@wanadoo.fr
 ***************************************************************************/

/*
 *  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 Library 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.
 */

#ifndef ISO_HASH_H
#define ISO_HASH_H

struct iso_hash_node {
	struct iso_hash_node *next;
	char *path;
};

#define HASH_NODES	128

/**
 * Searches in the hash table if the path exists.
 *
 * \param table The hash table.
 * \param path The path of the file to look for.
 *
 * \return 1 if the path exists in the hash table, 0 otherwise.
 */
int iso_hash_lookup(struct iso_hash_node **table, const char *path);

/**
 * Insert a new path in the hash table.
 *
 * \param table The hash table.
 * \param path The path of a file to add to the hash table.
 *
 * \return 1 if the file wasn't already in the hash table, 0 otherwise.
 */
int iso_hash_insert(struct iso_hash_node **table, const char *path);

/**
 * Remove a path from the hash table.
 *
 * \param table The hash table.
 * \param path The path of a file to remove from the hash table.
 *
 * \return 1 if the file was found and removed, 0 otherwise.
 */
int iso_hash_remove(struct iso_hash_node **table, const char *path);

/**
 * Empty the hash table.
 */
void iso_hash_empty(struct iso_hash_node **table);

#endif /* ISO_HASH_H */