1 /* $OpenBSD: teach.c,v 1.20 2021/10/23 15:08:26 mestre Exp $ */
2
3 /*
4 * Copyright (c) 1980, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <err.h>
33 #include <unistd.h>
34
35 #include "back.h"
36 #include "tutor.h"
37
38 const char *const helpm[] = {
39 "\nEnter a space or newline to roll, or",
40 " b to display the board",
41 " d to double",
42 " q to quit\n",
43 0
44 };
45
46 const char *const contin[] = {
47 "",
48 0
49 };
50
51 int
main(int argc,char * argv[])52 main(int argc, char *argv[])
53 {
54 int i;
55
56 signal(SIGINT, getout);
57 initcurses();
58
59 if (pledge("stdio rpath wpath cpath tty exec", NULL) == -1)
60 err(1, "pledge");
61
62 text(hello);
63 text(list);
64 i = text(contin);
65 if (i == 0)
66 i = 2;
67 init();
68 while (i)
69 switch (i) {
70 case 1:
71 leave(); /* Does not return */
72 break;
73
74 case 2:
75 if ((i = text(intro1)))
76 break;
77 wrboard();
78 if ((i = text(intro2)))
79 break;
80
81 case 3:
82 if ((i = text(moves)))
83 break;
84
85 case 4:
86 if ((i = text(removepiece)))
87 break;
88
89 case 5:
90 if ((i = text(hits)))
91 break;
92
93 case 6:
94 if ((i = text(endgame)))
95 break;
96
97 case 7:
98 if ((i = text(doubl)))
99 break;
100
101 case 8:
102 if ((i = text(stragy)))
103 break;
104
105 case 9:
106 if ((i = text(prog)))
107 break;
108
109 case 10:
110 if ((i = text(lastch)))
111 break;
112 }
113 tutor();
114 /* NOT REACHED */
115 }
116
117 __dead void
leave(void)118 leave(void)
119 {
120 clear();
121 endwin();
122 execl(EXEC, "backgammon", "-n", (char *)NULL);
123 errx(1, "help! Backgammon program is missing!!");
124 }
125