Add the DragonFly cvs id and perform general cleanups on cvs/rcs/sccs ids. Most
[dragonfly.git] / games / atc / main.c
CommitLineData
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1/*-
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Ed James.
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. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
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MD
35 *
36 * @(#) Copyright (c) 1990, 1993 The Regents of the University of California. All rights reserved.
37 * @(#)main.c 8.1 (Berkeley) 5/31/93
38 * $FreeBSD: src/games/atc/main.c,v 1.9 1999/11/30 03:48:21 billf Exp $
39 * $DragonFly: src/games/atc/main.c,v 1.2 2003/06/17 04:25:22 dillon Exp $
984263bc
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40 */
41
42/*
43 * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved.
44 *
45 * Copy permission is hereby granted provided that this notice is
46 * retained on all partial or complete copies.
47 *
48 * For more info on this and all of my stuff, mail edjames@berkeley.edu.
49 */
50
984263bc
MD
51#include <string.h>
52#include "include.h"
53#include "pathnames.h"
54
55main(ac, av)
56 int ac;
57 char *av[];
58{
59 int seed = 0;
60 int f_usage = 0, f_list = 0, f_showscore = 0;
61 int f_printpath = 0;
62 const char *file = NULL;
63 char *name, *ptr;
64#ifdef BSD
65 struct itimerval itv;
66#endif
67 extern const char *default_game(), *okay_game();
68 extern void log_score(), quit(), update();
69
70 /* Open the score file then revoke setgid privileges */
71 open_score_file();
72 setregid(getgid(), getgid());
73
74 start_time = time(0);
75
76 name = *av++;
77 while (*av) {
78#ifndef SAVEDASH
79 if (**av == '-')
80 *++*av;
81 else
82 break;
83#endif
84 ptr = *av++;
85 while (*ptr) {
86 switch (*ptr) {
87 case '?':
88 case 'u':
89 f_usage++;
90 break;
91 case 'l':
92 f_list++;
93 break;
94 case 's':
95 case 't':
96 f_showscore++;
97 break;
98 case 'p':
99 f_printpath++;
100 break;
101 case 'r':
102 srandom(atoi(*av));
103 seed = 1;
104 av++;
105 break;
106 case 'f':
107 case 'g':
108 file = *av;
109 av++;
110 break;
111 default:
112 fprintf(stderr, "Unknown option '%c'\n", *ptr);
113 f_usage++;
114 break;
115 }
116 ptr++;
117 }
118 }
119 if (!seed)
120 srandomdev();
121
122 if (f_usage)
123 fprintf(stderr,
124 "Usage: %s -[u?lstp] [-[gf] game_name] [-r random seed]\n",
125 name);
126 if (f_showscore)
127 log_score(1);
128 if (f_list)
129 list_games();
130 if (f_printpath) {
131 char buf[100];
132
133 strcpy(buf, _PATH_GAMES);
134 buf[strlen(buf) - 1] = '\0';
135 puts(buf);
136 }
137
138 if (f_usage || f_showscore || f_list || f_printpath)
139 exit(0);
140
141 if (file == NULL)
142 file = default_game();
143 else
144 file = okay_game(file);
145
146 if (file == NULL || read_file(file) < 0)
147 exit(1);
148
149 init_gr();
150 setup_screen(sp);
151
152 addplane();
153
154 signal(SIGINT, quit);
155 signal(SIGQUIT, quit);
156#ifdef BSD
157 signal(SIGTSTP, SIG_IGN);
158 signal(SIGSTOP, SIG_IGN);
159#endif
160 signal(SIGHUP, log_score);
161 signal(SIGTERM, log_score);
162
163#ifdef BSD
164 ioctl(fileno(stdin), TIOCGETP, &tty_start);
165 bcopy(&tty_start, &tty_new, sizeof(tty_new));
166 tty_new.sg_flags |= CBREAK;
167 tty_new.sg_flags &= ~ECHO;
168 ioctl(fileno(stdin), TIOCSETP, &tty_new);
169#endif
170
171#ifdef SYSV
172 ioctl(fileno(stdin), TCGETA, &tty_start);
173 bcopy(&tty_start, &tty_new, sizeof(tty_new));
174 tty_new.c_lflag &= ~ICANON;
175 tty_new.c_lflag &= ~ECHO;
176 tty_new.c_cc[VMIN] = 1;
177 tty_new.c_cc[VTIME] = 0;
178 ioctl(fileno(stdin), TCSETAW, &tty_new);
179#endif
180
181 signal(SIGALRM, update);
182
183#ifdef BSD
184 itv.it_value.tv_sec = 0;
185 itv.it_value.tv_usec = 1;
186 itv.it_interval.tv_sec = sp->update_secs;
187 itv.it_interval.tv_usec = 0;
188 setitimer(ITIMER_REAL, &itv, NULL);
189#endif
190#ifdef SYSV
191 alarm(sp->update_secs);
192#endif
193
194 for (;;) {
195 if (getcommand() != 1)
196 planewin();
197 else {
198#ifdef BSD
199 itv.it_value.tv_sec = 0;
200 itv.it_value.tv_usec = 0;
201 setitimer(ITIMER_REAL, &itv, NULL);
202#endif
203#ifdef SYSV
204 alarm(0);
205#endif
206
207 update();
208
209#ifdef BSD
210 itv.it_value.tv_sec = sp->update_secs;
211 itv.it_value.tv_usec = 0;
212 itv.it_interval.tv_sec = sp->update_secs;
213 itv.it_interval.tv_usec = 0;
214 setitimer(ITIMER_REAL, &itv, NULL);
215#endif
216#ifdef SYSV
217 alarm(sp->update_secs);
218#endif
219 }
220 }
221}
222
223read_file(s)
224 const char *s;
225{
226 extern FILE *yyin;
227 int retval;
228
229 file = s;
230 yyin = fopen(s, "r");
231 if (yyin == NULL) {
232 perror(s);
233 return (-1);
234 }
235 retval = yyparse();
236 fclose(yyin);
237
238 if (retval != 0)
239 return (-1);
240 else
241 return (0);
242}
243
244const char *
245default_game()
246{
247 FILE *fp;
248 static char file[256];
249 char line[256], games[256];
250
251 strcpy(games, _PATH_GAMES);
252 strcat(games, GAMES);
253
254 if ((fp = fopen(games, "r")) == NULL) {
255 perror(games);
256 return (NULL);
257 }
258 if (fgets(line, sizeof(line), fp) == NULL) {
259 fprintf(stderr, "%s: no default game available\n", games);
260 return (NULL);
261 }
262 fclose(fp);
263 line[strlen(line) - 1] = '\0';
264 strcpy(file, _PATH_GAMES);
265 strcat(file, line);
266 return (file);
267}
268
269const char *
270okay_game(s)
271 char *s;
272{
273 FILE *fp;
274 static char file[256];
275 const char *ret = NULL;
276 char line[256], games[256];
277
278 strcpy(games, _PATH_GAMES);
279 strcat(games, GAMES);
280
281 if ((fp = fopen(games, "r")) == NULL) {
282 perror(games);
283 return (NULL);
284 }
285 while (fgets(line, sizeof(line), fp) != NULL) {
286 line[strlen(line) - 1] = '\0';
287 if (strcmp(s, line) == 0) {
288 strcpy(file, _PATH_GAMES);
289 strcat(file, line);
290 ret = file;
291 break;
292 }
293 }
294 fclose(fp);
295 if (ret == NULL) {
296 test_mode = 1;
297 ret = s;
298 fprintf(stderr, "%s: %s: game not found\n", games, s);
299 fprintf(stderr, "Your score will not be logged.\n");
300 sleep(2); /* give the guy time to read it */
301 }
302 return (ret);
303}
304
305list_games()
306{
307 FILE *fp;
308 char line[256], games[256];
309 int num_games = 0;
310
311 strcpy(games, _PATH_GAMES);
312 strcat(games, GAMES);
313
314 if ((fp = fopen(games, "r")) == NULL) {
315 perror(games);
316 return (-1);
317 }
318 puts("available games:");
319 while (fgets(line, sizeof(line), fp) != NULL) {
320 printf(" %s", line);
321 num_games++;
322 }
323 fclose(fp);
324 if (num_games == 0) {
325 fprintf(stderr, "%s: no games available\n", games);
326 return (-1);
327 }
328 return (0);
329}