usr.bin/telnet/defines.h

   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  * $DragonFly: src/crypto/telnet/telnet/defines.h,v 1.2 2003/06/17 04:24:37 dillon Exp $
  32  */
  33
  34 #define settimer(x)     clocks.x = clocks.system++
  35
  36 #define NETADD(c)       { *netoring.supply = c; ring_supplied(&netoring, 1); }
  37 #define NET2ADD(c1,c2)  { NETADD(c1); NETADD(c2); }
  38 #define NETBYTES()      (ring_full_count(&netoring))
  39 #define NETROOM()       (ring_empty_count(&netoring))
  40
  41 #define TTYADD(c)       if (!(SYNCHing||flushout)) { \
  42                                 *ttyoring.supply = c; \
  43                                 ring_supplied(&ttyoring, 1); \
  44                         }
  45 #define TTYBYTES()      (ring_full_count(&ttyoring))
  46 #define TTYROOM()       (ring_empty_count(&ttyoring))
  47
  48 /*      Various modes */
  49 #define MODE_LOCAL_CHARS(m)     ((m)&(MODE_EDIT|MODE_TRAPSIG))
  50 #define MODE_LOCAL_ECHO(m)      ((m)&MODE_ECHO)
  51 #define MODE_COMMAND_LINE(m)    ((m)==-1)
  52
  53 #define CONTROL(x)      ((x)&0x1f)              /* CTRL(x) is not portable */