mille/varpush.c

   1 /*
   2  * Copyright (c) 1982 Regents of the University of California.
   3  * 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. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifndef lint
  35 /*static char sccsid[] = "from: @(#)varpush.c   5.6 (Berkeley) 6/1/90";*/
  36 static char rcsid[] = "$Id: varpush.c,v 1.2 1993/08/01 18:53:52 mycroft Exp $";
  37 #endif /* not lint */
  38
  39 # include       <paths.h>
  40 # include       "mille.h"
  41
  42 /*
  43  * @(#)varpush.c        1.1 (Berkeley) 4/1/82
  44  */
  45
  46 int     read(), write();
  47
  48 /*
  49  *      push variables around via the routine func() on the file
  50  * channel file.  func() is either read or write.
  51  */
  52 varpush(file, func)
  53 reg int file;
  54 reg int (*func)(); {
  55
  56         int     temp;
  57
  58         (*func)(file, (char *) &Debug, sizeof Debug);
  59         (*func)(file, (char *) &Finished, sizeof Finished);
  60         (*func)(file, (char *) &Order, sizeof Order);
  61         (*func)(file, (char *) &End, sizeof End);
  62         (*func)(file, (char *) &On_exit, sizeof On_exit);
  63         (*func)(file, (char *) &Handstart, sizeof Handstart);
  64         (*func)(file, (char *) &Numgos, sizeof Numgos);
  65         (*func)(file, (char *)  Numseen, sizeof Numseen);
  66         (*func)(file, (char *) &Play, sizeof Play);
  67         (*func)(file, (char *) &Window, sizeof Window);
  68         (*func)(file, (char *)  Deck, sizeof Deck);
  69         (*func)(file, (char *) &Discard, sizeof Discard);
  70         (*func)(file, (char *)  Player, sizeof Player);
  71         if (func == read) {
  72                 read(file, (char *) &temp, sizeof temp);
  73                 Topcard = &Deck[temp];
  74 #ifdef DEBUG
  75                 if (Debug) {
  76                         char    buf[80];
  77 over:
  78                         printf("Debug file:");
  79                         gets(buf);
  80                         if ((outf = fopen(buf, "w")) == NULL) {
  81                                 perror(buf);
  82                                 goto over;
  83                         }
  84                         if (strcmp(buf, _PATH_DEVNULL) != 0)
  85                                 setbuf(outf, (char *)NULL);
  86                 }
  87 #endif
  88         }
  89         else {
  90                 temp = Topcard - Deck;
  91                 write(file, (char *) &temp, sizeof temp);
  92         }
  93 }