yo_exit.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   yo_exit.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mthiry <mthiry@student.42.fr>              +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/07/20 09:31:53 by abuzdin           #+#    #+#             */
/*   Updated: 2022/08/11 10:49:11 by mthiry           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

static int	ft_isdigit_sign(int c)
{
	if ((c >= 48 && c <= 57) || c == '+' || c == '-')
		return (1);
	else
		return (0);
}

static int	check_nonnumeric(t_input *data)
{
	if (!data->cmds->cmd[1])
	{
		write(data->cmds->out, "exit\n", 5);
		g_status = 0;
		return (0);
	}
	data->i = 0;
	while (data->cmds->cmd[1][data->i])
	{
		if (!ft_isdigit_sign(data->cmds->cmd[1][data->i]))
		{
			write(data->cmds->out, "exit\n", 5);
			write(2, "YAMSP: exit: ", 13);
			write(2, data->cmds->cmd[1], ft_strlen(data->cmds->cmd[1]));
			write(2, ": numeric argument required\n", 28);
			g_status = 255;
			return (0);
		}
		data->i++;
	}
	return (1);
}

static int	check_amount(t_input *data)
{
	if (data->cmds->len_cmd > 2)
	{
		write(data->cmds->out, "exit\n", 5);
		write(2, "YAMSP: exit: ", 13);
		write(2, "too many arguments\n", 19);
		g_status = 1;
		return (0);
	}
	return (1);
}

int	yo_exit(t_input *data)
{
	if (!data->buf)
	{
		g_status = 0;
		exit(g_status);
	}
	if (!check_nonnumeric(data))
	{
		ms_free_all(data);
		exit(g_status);
	}
	if (!check_amount(data))
		return (g_status);
	g_status = ft_atoi(data->cmds->cmd[1]);
	write(data->cmds->out, "exit\n", 5);
	ms_free_all(data);
	exit(g_status);
}