NetBSD/usr.bin/telnet/defines.h

/*	$NetBSD: defines.h,v 1.9 2018/12/13 04:49:19 maya Exp $	*/

/*
 * Copyright (c) 1988, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	from: @(#)defines.h	8.1 (Berkeley) 6/6/93
 */

#define	settimer(x)	clocks.x = clocks.system++

#define	NETADD(c)	{ *netoring.supply = (c); ring_supplied(&netoring, 1); }
#define	NET2ADD(c1,c2)	{ NETADD((c1)); NETADD((c2)); }
#define	NETBYTES()	(ring_full_count(&netoring))
#define	NETROOM()	(ring_empty_count(&netoring))

#define	TTYADD(c)	if (!(SYNCHing||flushout)) { \
				*ttyoring.supply = c; \
				ring_supplied(&ttyoring, 1); \
			}
#define	TTYBYTES()	(ring_full_count(&ttyoring))
#define	TTYROOM()	(ring_empty_count(&ttyoring))

/*	Various modes */
#define	MODE_LOCAL_CHARS(m)	((m)&(MODE_EDIT|MODE_TRAPSIG))
#define	MODE_LOCAL_ECHO(m)	((m)&MODE_ECHO)
#define	MODE_COMMAND_LINE(m)	((m)==-1)

#define	CONTROL(x)	((x)&0x1f)		/* CTRL(x) is not portable */