bst_delete.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   bst_delete.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: unite <marvin@42.fr>                       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/07/18 00:24:47 by unite             #+#    #+#             */
/*   Updated: 2020/07/18 00:28:45 by unite            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "bst.h"
 
void    bst_delete_node(t_bst *bst, t_bst_node *node)
{
    if (node == NULL)
        return ;
    bst->val_type->del(node->val);
    bst->key_type->del(node->key);
    free(node);
}
 
void    bst_delete_recur(t_bst *bst, t_bst_node *node)
{
    if (node == NULL)
        return ;
    bst_delete_recur(bst, node->left);
    bst_delete_recur(bst, node->right);
    bst_delete_node(bst, node);
}
 
void    bst_delete(t_bst *bst)
{
    if (bst == NULL)
        return ;
    bst_delete_recur(bst, bst->root);
    free(bst);
}