/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   utils.c                                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lfirmin <lfirmin@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/11/21 17:11:19 by lfirmin           #+#    #+#             */
/*   Updated: 2025/03/17 04:00:00 by lfirmin          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
#include "../include/philo.h"

t_data	*init_data(void)
{
	t_data	*data;

	data = malloc(sizeof(t_data));
	if (!data)
		return (NULL);
	data->nb_philo = 0;
	data->t_die = 0;
	data->t_eat = 0;
	data->t_sleep = 0;
	data->must_eat = -1;
	data->dead_flag = 0;
	data->forks = NULL;
	data->philos = NULL;
	data->start_time = 0;
	if (pthread_mutex_init(&data->print, NULL))
		return (free(data), NULL);
	if (pthread_mutex_init(&data->dead_mutex, NULL))
		return (free(data), NULL);
	return (data);
}

void	free_data(t_data *data)
{
	int	i;

	if (data)
	{
		if (data->forks)
		{
			i = -1;
			while (++i < data->nb_philo)
			{
				pthread_mutex_destroy(&data->forks[i]);
				pthread_mutex_destroy(&data->philos[i].meal_lock);
			}
			free(data->forks);
		}
		if (data->philos)
			free(data->philos);
		pthread_mutex_destroy(&data->print);
		pthread_mutex_destroy(&data->dead_mutex);
		free(data);
	}
}

long long	ft_atoll(const char *str)
{
	long long	result;
	int			sign;

	result = 0;
	sign = 1;
	while (*str == ' ' || (*str >= 9 && *str <= 13))
		str++;
	if (*str == '-' || *str == '+')
	{
		if (*str == '-')
			sign = -1;
		str++;
	}
	while (*str >= '0' && *str <= '9')
	{
		if (result > INT_MAX || result < INT_MIN)
			return (2147483648);
		result = result * 10 + (*str - '0');
		str++;
	}
	return (result * sign);
}

int	check_if_dead(t_philo *philo)
{
	int	result;

	pthread_mutex_lock(&philo->data->dead_mutex);
	result = philo->data->dead_flag;
	pthread_mutex_unlock(&philo->data->dead_mutex);
	return (result);
}

int	check_if_dead_data(t_data *data)
{
	int	result;

	pthread_mutex_lock(&data->dead_mutex);
	result = data->dead_flag;
	pthread_mutex_unlock(&data->dead_mutex);
	return (result);
}