/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_random_generator.c                              :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/01/09 18:43:27 by cchauvet          #+#    #+#             */
/*   Updated: 2023/01/09 20:09:33 by cchauvet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "extra.h"

size_t	ft_random_generator(size_t start, size_t stop)
{
	int		fd;
	char	*line;
	int		sum;
	size_t	i;

	fd = open("/dev/random", O_RDONLY);
	if (fd == -1)
		return (0);
	line = ft_calloc(sizeof(char), 10001);
	if (line == NULL)
		return (0);
	read(fd, line, 10000);
	sum = 0;
	i = 0;
	while (i < ft_strlen(line))
	{
		sum += (unsigned int) line[i];
		i++;
	}
	free(line);
	return (sum % (stop - start));
}