/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   signals.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/10/23 18:56:53 by lperrey           #+#    #+#             */
/*   Updated: 2021/10/30 14:28:08 by lperrey          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

void	sigint_handler(int signum)
{
	// Comment virer LE ^D De l'affichage ? Il ne fait pas partie de "rl_line_buffer".
	if (rl_line_buffer && *rl_line_buffer)
	{
		return ;
	}
	else
	{
		free_exit(g_all, g_all->last_exit_status);
	}
	return ;
}

/* void	sigquit_aka_eof_handler(int signum)
{
	//ft_putstr_fd("TESTS\n", 1);
	ft_putstr_fd("\n", 1);
	rl_replace_line("", 1);
	rl_on_new_line();
	rl_redisplay();
	return ;
} */

int set_signals_handling(struct sigaction *ori_signal_behaviour,
						struct sigaction *signal_behaviour)
{
	ori_signal_behaviour->sa_handler = SIG_DFL;

	/*	ctrl-D exit the shell.
		eof = ^D;  */
	signal_behaviour->sa_handler = sigint_handler;
	sigaction(SIGINT, signal_behaviour, NULL);

	/*	ctrl-\ do nothing.
		quit = ^\;  */
	signal_behaviour->sa_handler = SIG_IGN;
	//signal_behaviour->sa_handler = sigquit_aka_eof_handler;
	sigaction(SIGQUIT, signal_behaviour, NULL);
	
	/*
	** remap (^D to ^C) and (^C to ^D) in terminal
	** ^D is now "SIGINT" (handle here)
	** ^C is now EOF (handle in shell_loop())
	*/
	return (1);
}

/*
ctrl-C print a new prompt on a newline.
intr = ^C; 
ctrl-D exit the shell.
eof = ^D;
ctrl-\ do nothing.
quit = ^\; 
*/

/* 
speed 38400 baud; rows 22; columns 90; line = 0;
erase = ^?; kill = ^U;
eol = M-^?; eol2 = M-^?;
swtch = M-^?; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W; lnext = ^V;
discard = ^O; min = 1; time = 0;
-parenb -parodd -cmspar cs8 hupcl -cstopb cread -clocal -crtscts
-ignbrk brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon -ixoff -iuclc ixany
imaxbel iutf8
opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
isig icanon iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt echoctl echoke
-flusho -extproc
*/