#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <termios.h>
#include <string.h>
#include "config.h"

FILE *input;
struct termios initial_settings, new_settings;

void initterm() {
	tcgetattr(fileno(input), &initial_settings);
	new_settings = initial_settings;
	new_settings.c_lflag &= ~ICANON;
	new_settings.c_lflag &= ~ECHO;
	new_settings.c_cc[VMIN] = 1;
	new_settings.c_cc[VTIME] = 0;
	new_settings.c_lflag &= ~ISIG;

	if (tcsetattr(fileno(input), TCSANOW, &new_settings) != 0) {
		exception(1, _("could not set terminal attributes"));
	}

}

void clearterm() {
	tcsetattr(fileno(input), TCSANOW, &initial_settings);
}

void openterm() {
	if (!(input = fopen("/dev/tty", "r"))) {
		exception(1, _("could not open terminal"));
	}
}