xref: /openbsd/games/battlestar/battlestar.c (revision a6445c1d)
1 /*	$OpenBSD: battlestar.c,v 1.16 2009/10/27 23:59:23 deraadt Exp $	*/
2 /*	$NetBSD: battlestar.c,v 1.3 1995/03/21 15:06:47 cgd Exp $	*/
3 
4 /*
5  * Copyright (c) 1983, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 /*
34  * Battlestar - a stellar-tropical adventure game
35  *
36  * Originally written by His Lordship, Admiral David W. Horatio Riggle,
37  * on the Cory PDP-11/70, University of California, Berkeley.
38  */
39 
40 #include "extern.h"
41 #include "pathnames.h"
42 
43 int main(int, char *[]);
44 
45 int
46 main(int argc, char *argv[])
47 {
48 	char    mainbuf[LINELENGTH];
49 	char   *next;
50 	gid_t	gid;
51 
52 	open_score_file();
53 
54 	/* revoke privs */
55 	gid = getgid();
56 	setresgid(gid, gid, gid);
57 
58 	if (argc < 2)
59 		initialize(NULL);
60 	else if (strcmp(argv[1], "-r") == 0)
61 		initialize((argc > 2) ? argv[2] : DEFAULT_SAVE_FILE);
62 	else
63 		initialize(argv[1]);
64 
65 	newlocation();
66 	for (;;) {
67 		stop_cypher = 0;
68 		next = getcom(mainbuf, sizeof mainbuf, ">-: ",
69 		    "Please type in something.");
70 		for (wordcount = 0; next && wordcount < NWORD - 1; wordcount++)
71 			next = getword(next, words[wordcount], -1);
72 		parse();
73 		while (cypher())
74 			;
75 	}
76 }
77