xref: /dragonfly/usr.bin/telnet/defines.h (revision 92c825d6)
1 /*
2  * Copyright (c) 1988, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  *	@(#)defines.h	8.1 (Berkeley) 6/6/93
30  * $FreeBSD: src/crypto/telnet/telnet/defines.h,v 1.1.1.1.8.1 2002/04/13 10:59:08 markm Exp $
31  */
32 
33 #define	settimer(x)	clocks.x = clocks.system++
34 
35 #define	NETADD(c)	{ *netoring.supply = c; ring_supplied(&netoring, 1); }
36 #define	NET2ADD(c1,c2)	{ NETADD(c1); NETADD(c2); }
37 #define	NETBYTES()	(ring_full_count(&netoring))
38 #define	NETROOM()	(ring_empty_count(&netoring))
39 
40 #define	TTYADD(c)	if (!(SYNCHing||flushout)) { \
41 				*ttyoring.supply = c; \
42 				ring_supplied(&ttyoring, 1); \
43 			}
44 #define	TTYBYTES()	(ring_full_count(&ttyoring))
45 #define	TTYROOM()	(ring_empty_count(&ttyoring))
46 
47 /*	Various modes */
48 #define	MODE_LOCAL_CHARS(m)	((m)&(MODE_EDIT|MODE_TRAPSIG))
49 #define	MODE_LOCAL_ECHO(m)	((m)&MODE_ECHO)
50 #define	MODE_COMMAND_LINE(m)	((m)==-1)
51 
52 #define	CONTROL(x)	((x)&0x1f)		/* CTRL(x) is not portable */
53