9-binary_tree_height.c

#include "binary_trees.h"

/**
 * binary_tree_height - a function that measures the height of a binary tree
 *
 * @tree: a pointer to the root node of the tree to measure the height
 * Return: if null return 0
 */

size_t binary_tree_height(const binary_tree_t *tree)
{
	size_t left_height, right_height;

	if (!tree)
	{
		return (0);
	}

	left_height = tree->left ? 1 + binary_tree_height(tree->left) : 0;
	right_height = tree->right ? 1 + binary_tree_height(tree->right) : 0;

	return (left_height > right_height ? left_height : right_height);
}