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varpush.c revision 1.3 
      1 /*
      2  * Copyright (c) 1982, 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. 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	8.1 (Berkeley) 5/31/93";*/
     36 static char rcsid[] = "$Id: varpush.c,v 1.3 1994/05/12 17:39:45 jtc 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 }
     94