Philosophers/philo_bonus/philo_utils.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   philo_utils.c                                      :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: narnaud <narnaud@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/05/16 14:04:06 by narnaud           #+#    #+#             */
/*   Updated: 2022/05/20 10:36:06 by narnaud          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "philo.h"

static int	mini_atoi(char	*nbr)
{
	int	ret;

	ret = 0;
	while (*nbr >= '0' && *nbr <= '9')
	{
		ret = (*nbr - '0') + (10 * ret);
		nbr++;
	}
	return (ret);
}

t_table	*parsing(char **argv)
{
	t_table	*table;

	table = malloc(sizeof(t_table));
	table->param[PHILO_AMOUNT] = mini_atoi(argv[0]);
	table->param[DIE_TIME] = mini_atoi(argv[1]);
	table->param[EAT_DURATION] = mini_atoi(argv[2]);
	table->param[SLEEP_DURATION] = mini_atoi(argv[3]);
	if (argv[4])
		table->param[MEALS_AMOUNT] = mini_atoi(argv[4]);
	else
		table->param[MEALS_AMOUNT] = 2147483647;
	table->time = gettime();
	table->philos = malloc(sizeof(t_philo) * table->param[PHILO_AMOUNT]);
	return (table);
}

int	gettime(void)
{
	static struct timeval	starttime = {0, 0};
	struct timeval			actualtime;

	if (starttime.tv_sec == 0 && starttime.tv_usec == 0)
		gettimeofday(&starttime, NULL);
	gettimeofday(&actualtime, NULL);
	return ((int)((actualtime.tv_sec * 1000 + actualtime.tv_usec / 1000)
		- (starttime.tv_sec * 1000 + starttime.tv_usec / 1000)));
}