Add __attribute__((__noreturn__)) to various function prototypes in games/.
[dragonfly.git] / games / mille / mille.c
CommitLineData
6693db17 1/*-
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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.
6693db17 13 * 3. Neither the name of the University nor the names of its contributors
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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 * $FreeBSD: src/games/mille/mille.c,v 1.10 1999/12/12 06:17:24 billf Exp $
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30 *
31 * @(#) Copyright (c) 1982, 1993 The Regents of the University of California. All rights reserved.
32 * @(#)mille.c 8.1 (Berkeley) 5/31/93
33 * $FreeBSD: src/games/mille/mille.c,v 1.10 1999/12/12 06:17:24 billf Exp $
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34 */
35
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36#include "mille.h"
37#include <signal.h>
38#include <term.h>
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39
40/*
41 * @(#)mille.c 1.3 (Berkeley) 5/10/83
42 */
43
09ac707a 44static void usage (void) __dead2;
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45
46int
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47main(int ac, char *av[])
48{
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49 bool restore;
50
6693db17 51 /* Revoke setgid privileges */
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52 setgid(getgid());
53
54 if (strcmp(av[0], "a.out") == 0) {
55 outf = fopen("q", "w");
2038fb68 56 setbuf(outf, NULL);
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57 Debug = TRUE;
58 }
59 restore = FALSE;
60 switch (ac) {
61 case 2:
62 rest_f(av[1]);
63 restore = TRUE;
64 case 1:
65 break;
66 default:
67 usage();
68 /* NOTREACHED */
69 }
70 Play = PLAYER;
71 initscr();
72 delwin(stdscr);
73 stdscr = Board = newwin(BOARD_Y, BOARD_X, 0, 0);
74 Score = newwin(SCORE_Y, SCORE_X, 0, 40);
75 Miles = newwin(MILES_Y, MILES_X, 17, 0);
76#ifdef attron
77 idlok(Board, TRUE);
78 idlok(Score, TRUE);
79 idlok(Miles, TRUE);
80#endif
81 leaveok(Score, TRUE);
82 leaveok(Miles, TRUE);
83 clearok(curscr, TRUE);
84 srandomdev();
6693db17 85 cbreak();
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86 noecho();
87 signal(SIGINT, rub);
88 for (;;) {
89 if (!restore || (Player[PLAYER].total >= 5000
90 || Player[COMP].total >= 5000)) {
91 if (Player[COMP].total < Player[PLAYER].total)
92 Player[PLAYER].games++;
93 else if (Player[COMP].total > Player[PLAYER].total)
94 Player[COMP].games++;
95 Player[COMP].total = 0;
96 Player[PLAYER].total = 0;
97 }
98 do {
99 if (!restore)
100 Handstart = Play = other(Handstart);
101 if (!restore || On_exit) {
102 shuffle();
103 init();
104 }
105 newboard();
106 if (restore)
107 mvwaddstr(Score, ERR_Y, ERR_X, Initstr);
108 prboard();
109 do {
110 domove();
111 if (Finished)
112 newscore();
113 prboard();
114 } while (!Finished);
115 check_more();
116 restore = On_exit = FALSE;
117 } while (Player[COMP].total < 5000
118 && Player[PLAYER].total < 5000);
119 }
120}
121
122static void
46c76430 123usage(void)
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124{
125 fprintf(stderr, "usage: mille [restore_file]\n");
126 exit(1);
127}
128
129/*
130 * Routine to trap rubouts, and make sure they really want to
131 * quit.
132 */
133void
6693db17 134rub(int sig __unused)
46c76430 135{
46c76430 136 signal(SIGINT, SIG_IGN);
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137 if (getyn(REALLYPROMPT))
138 die(0);
46c76430 139 signal(SIGINT, rub);
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140}
141
142/*
143 * Time to go beddy-by
144 */
145void
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146die(int code)
147{
984263bc 148
46c76430 149 signal(SIGINT, SIG_IGN);
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150 if (outf)
151 fflush(outf);
152 mvcur(0, COLS - 1, LINES - 1, 0);
153 endwin();
154 exit(code);
155}