xref: /original-bsd/games/mille/varpush.c (revision 279692fa)
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 are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #ifndef lint
19 static char sccsid[] = "@(#)varpush.c	5.4 (Berkeley) 06/18/88";
20 #endif /* not lint */
21 
22 # include	"mille.h"
23 
24 /*
25  * @(#)varpush.c	1.1 (Berkeley) 4/1/82
26  */
27 
28 int	read(), write();
29 
30 /*
31  *	push variables around via the routine func() on the file
32  * channel file.  func() is either read or write.
33  */
34 varpush(file, func)
35 reg int	file;
36 reg int	(*func)(); {
37 
38 	int	temp;
39 
40 	(*func)(file, (char *) &Debug, sizeof Debug);
41 	(*func)(file, (char *) &Finished, sizeof Finished);
42 	(*func)(file, (char *) &Order, sizeof Order);
43 	(*func)(file, (char *) &End, sizeof End);
44 	(*func)(file, (char *) &On_exit, sizeof On_exit);
45 	(*func)(file, (char *) &Handstart, sizeof Handstart);
46 	(*func)(file, (char *) &Numgos, sizeof Numgos);
47 	(*func)(file, (char *)  Numseen, sizeof Numseen);
48 	(*func)(file, (char *) &Play, sizeof Play);
49 	(*func)(file, (char *) &Window, sizeof Window);
50 	(*func)(file, (char *)  Deck, sizeof Deck);
51 	(*func)(file, (char *) &Discard, sizeof Discard);
52 	(*func)(file, (char *)  Player, sizeof Player);
53 	if (func == read) {
54 		read(file, (char *) &temp, sizeof temp);
55 		Topcard = &Deck[temp];
56 #ifdef DEBUG
57 		if (Debug) {
58 			char	buf[80];
59 over:
60 			printf("Debug file:");
61 			gets(buf);
62 			if ((outf = fopen(buf, "w")) == NULL) {
63 				perror(buf);
64 				goto over;
65 			}
66 			if (strcmp(buf, "/dev/null") != 0)
67 				setbuf(outf, (char *)NULL);
68 		}
69 #endif
70 	}
71 	else {
72 		temp = Topcard - Deck;
73 		write(file, (char *) &temp, sizeof temp);
74 	}
75 }
76