15-binary_tree_is_full.c

#include "binary_trees.h"

/**
 * binary_tree_is_full - checks if a binary tree is full
 * @tree: pointer to the root node of the tree to check
 *
 * Return: 1 if full, else 0
 */
int binary_tree_is_full(const binary_tree_t *tree)
{
	if (tree == NULL)
		return (0);
	if (!tree->left && !tree->right)
		return (1);
	if (tree->left && tree->right)
		return (binary_tree_is_full(tree->left)
			&& binary_tree_is_full(tree->right));
	return (0);
}