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📄 Makefile(253 B)
📄 Makefile.depend(333 B)
📄 bc.1(10.65 KB)
📄 bc.library(5.08 KB)
📄 bc.y(23 KB)
📄 extern.h(1.4 KB)
📄 pathnames.h(963 B)
📄 scan.l(7.23 KB)
📄 tty.c(1.53 KB)

Editing: tty.c

/*	$FreeBSD$	*/
/*      $OpenBSD: tty.c,v 1.3 2015/09/05 09:49:24 jsg Exp $	*/

/*
 * Copyright (c) 2013, Otto Moerbeek <otto@drijf.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <errno.h>
#include <signal.h>
#include <histedit.h>
#include <termios.h>
#include "extern.h"

struct termios ttysaved, ttyedit;

static int
settty(struct termios *t)
{
	int ret;

while ((ret = tcsetattr(0, TCSADRAIN,  t)) == -1 && errno == EINTR)
		continue;
	return ret;
}

int
gettty(struct termios *t)
{
	int ret;

while ((ret = tcgetattr(0, t)) == -1 && errno == EINTR)
		continue;
	return ret;
}

/* ARGSUSED */
void
tstpcont(int sig)
{
	int save_errno = errno;

if (sig == SIGTSTP) {
		signal(SIGCONT, tstpcont);
		gettty(&ttyedit);
		settty(&ttysaved);		
	} else {
		signal(SIGTSTP, tstpcont);
		settty(&ttyedit);		
	}
	signal(sig, SIG_DFL);
	kill(0, sig);
	errno = save_errno;
}

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Editing: tty.c

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