/*
 * Copyright (c) 2007 Vreixo Formoso
 * 
 * This file is part of the libisofs project; you can redistribute it and/or 
 * modify it under the terms of the GNU General Public License version 2 as 
 * published by the Free Software Foundation. See COPYING file for details.
 */

#include "node.h"
#include "libisofs.h"

#include <stdlib.h>
#include <string.h>

/**
 * Increments the reference counting of the given node.
 */
void iso_node_ref(IsoNode *node)
{
    ++node->refcount;
}

/**
 * Decrements the reference couting of the given node.
 * If it reach 0, the node is free, and, if the node is a directory,
 * its children will be unref() too.
 */
void iso_node_unref(IsoNode *node)
{
    if (--node->refcount == 0) {
        /* TODO #00002 handle deletion of each kind of node */
        free(node->name);
        free(node);
    }
}

/**
 * Set the name of a node.
 * 
 * @param name  The name in UTF-8 encoding
 */
void iso_node_set_name(IsoNode *node, const char *name)
{
    free(node->name);
    node->name = strdup(name);
}

/**
 * Get the name of a node (in UTF-8).
 * The returned string belongs to the node and should not be modified nor
 * freed. Use strdup if you really need your own copy.
 */
const char *iso_node_get_name(IsoNode *node)
{
    return node->name;
}