/*      $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 */