/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   utils.c                                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: narnaud <narnaud@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/05/03 08:57:53 by narnaud           #+#    #+#             */
/*   Updated: 2022/05/05 09:18:28 by narnaud          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

int	is_empty(char *line)
{
	while (*line)
	{
		if (*line <= 9 || (*line >= 13 && *line != 32))
			return (0);
		line++;
	}
	return (1);
}

void	nothing(int sig_num)
{
	(void)sig_num;
}
void	termios(int ctl)
{
	struct termios	termios_p;
	int				tty;

	tty = ttyslot();
	if (tcgetattr(tty, &termios_p) < 0)
		exit ((perror("stdin"), EXIT_FAILURE));
	if (ctl)
	{
		termios_p.c_lflag |= ECHOCTL;	
		signal(SIGINT, nothing);
		signal(SIGQUIT, nothing);
	}
	else
	{
		termios_p.c_lflag &= ~(ECHOCTL);
		signal(SIGINT, sigs_handler);
		signal(SIGQUIT, sigs_handler);
	}
	termios_p.c_cc[VQUIT] = ctl * 28;
	tcsetattr(tty, TCSANOW, &termios_p);
}

void	sigs_handler(int sig_num)
{
	if (sig_num == SIGINT)
		printf("\n");
	rl_on_new_line();
	rl_replace_line("", 0);
	rl_redisplay();
	return ;
}

void	halt(int ret_code)
{
	printf("exit\n");
	exit(ret_code);
}