2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
36 * @(#)log.c 8.1 (Berkeley) 5/31/93
37 * $FreeBSD: src/games/atc/log.c,v 1.7 1999/11/30 03:48:20 billf Exp $
38 * $DragonFly: src/games/atc/log.c,v 1.2 2003/06/17 04:25:22 dillon Exp $
42 * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved.
44 * Copy permission is hereby granted provided that this notice is
45 * retained on all partial or complete copies.
47 * For more info on this and all of my stuff, mail edjames@berkeley.edu.
52 #include "pathnames.h"
55 #include <sys/utsname.h>
58 static FILE *score_fp
;
66 a
= (const SCORE
*)va
;
67 b
= (const SCORE
*)vb
;
69 if (b
->planes
== a
->planes
)
70 return (b
->time
- a
->time
);
72 return (b
->planes
- a
->planes
);
78 #define SECAHOUR (SECAMIN * MINAHOUR)
79 #define SECADAY (SECAHOUR * HOURADAY)
80 #define DAY(t) ((t) / SECADAY)
81 #define HOUR(t) (((t) % SECADAY) / SECAHOUR)
82 #define MIN(t) (((t) % SECAHOUR) / SECAMIN)
83 #define SEC(t) ((t) % SECAMIN)
91 (void)sprintf(s
, "%dd+%02dhrs", DAY(t
), HOUR(t
));
93 (void)sprintf(s
, "%d:%02d:%02d", HOUR(t
), MIN(t
), SEC(t
));
95 (void)sprintf(s
, "%d:%02d", MIN(t
), SEC(t
));
97 (void)sprintf(s
, ":%02d", SEC(t
));
112 score_fd
= open(_PATH_SCORE
, O_CREAT
|O_RDWR
, 0664);
115 warn("open %s", _PATH_SCORE
);
118 /* Set the close-on-exec flag. If this fails for any reason, quit
119 * rather than leave the score file open to tampering. */
120 flags
= fcntl(score_fd
, F_GETFD
);
122 err(1, "fcntl F_GETFD");
124 if (fcntl(score_fd
, F_SETFD
, flags
) == -1)
125 err(1, "fcntl F_SETFD");
127 * This is done to take advantage of stdio, while still
128 * allowing a O_CREAT during the open(2) of the log file.
130 score_fp
= fdopen(score_fd
, "r+");
131 if (score_fp
== NULL
) {
132 warn("fdopen %s", _PATH_SCORE
);
141 int i
, num_scores
= 0, good
, changed
= 0, found
= 0;
144 SCORE score
[100], thisscore
;
149 if (score_fp
== NULL
) {
150 warnx("no score file available");
155 if (flock(fileno(score_fp
), LOCK_EX
) < 0)
158 while (lockf(fileno(score_fp
), F_LOCK
, 1) < 0)
161 warn("flock %s", _PATH_SCORE
);
165 good
= fscanf(score_fp
, SCORE_SCANF_FMT
,
166 score
[num_scores
].name
,
167 score
[num_scores
].host
,
168 score
[num_scores
].game
,
169 &score
[num_scores
].planes
,
170 &score
[num_scores
].time
,
171 &score
[num_scores
].real_time
);
172 if (good
!= 6 || ++num_scores
>= NUM_SCORES
)
175 if (!test_mode
&& !list_em
) {
176 if ((pw
= (struct passwd
*) getpwuid(getuid())) == NULL
) {
178 "getpwuid failed for uid %d. Who are you?\n",
182 strcpy(thisscore
.name
, pw
->pw_name
);
184 if (gethostname(thisscore
.host
, sizeof (thisscore
.host
)) < 0) {
185 perror("gethostname");
191 strcpy(thisscore
.host
, name
.nodename
);
194 cp
= rindex(file
, '/');
196 fprintf(stderr
, "log: where's the '/' in %s?\n", file
);
200 strcpy(thisscore
.game
, cp
);
202 thisscore
.time
= clck
;
203 thisscore
.planes
= safe_planes
;
204 thisscore
.real_time
= time(0) - start_time
;
206 for (i
= 0; i
< num_scores
; i
++) {
207 if (strcmp(thisscore
.name
, score
[i
].name
) == 0 &&
208 strcmp(thisscore
.host
, score
[i
].host
) == 0 &&
209 strcmp(thisscore
.game
, score
[i
].game
) == 0) {
210 if (thisscore
.time
> score
[i
].time
) {
211 score
[i
].time
= thisscore
.time
;
212 score
[i
].planes
= thisscore
.planes
;
222 for (i
= 0; i
< num_scores
; i
++) {
223 if (thisscore
.time
> score
[i
].time
) {
224 if (num_scores
< NUM_SCORES
)
227 &score
[num_scores
- 1],
229 bcopy(&thisscore
, &score
[i
],
236 if (!found
&& !changed
&& num_scores
< NUM_SCORES
) {
237 bcopy(&thisscore
, &score
[num_scores
],
238 sizeof (score
[num_scores
]));
245 puts("You beat your previous score!");
247 puts("You made the top players list!");
248 qsort(score
, num_scores
, sizeof (*score
), compar
);
250 for (i
= 0; i
< num_scores
; i
++)
251 fprintf(score_fp
, "%s %s %s %d %d %d\n",
252 score
[i
].name
, score
[i
].host
,
253 score
[i
].game
, score
[i
].planes
,
254 score
[i
].time
, score
[i
].real_time
);
256 if (ferror(score_fp
))
257 warn("error writing %s", _PATH_SCORE
);
258 /* It is just possible that updating an entry could
259 * have reduced the length of the file, so we
260 * truncate it. The lseek is required for stream/fd
261 * synchronisation by POSIX.1. */
262 lseek(fileno(score_fp
), 0, SEEK_END
);
263 ftruncate(fileno(score_fp
), ftell(score_fp
));
266 puts("You didn't beat your previous score.");
268 puts("You didn't make the top players list.");
273 flock(fileno(score_fp
), LOCK_UN
);
276 /* lock will evaporate upon close */
279 printf("%2s: %-8s %-8s %-18s %4s %9s %4s\n", "#", "name", "host",
280 "game", "time", "real time", "planes safe");
281 puts("-------------------------------------------------------------------------------");
282 for (i
= 0; i
< num_scores
; i
++) {
283 cp
= index(score
[i
].host
, '.');
286 printf("%2d: %-8s %-8s %-18s %4d %9s %4d\n", i
+ 1,
287 score
[i
].name
, score
[i
].host
, score
[i
].game
,
288 score
[i
].time
, timestr(score
[i
].real_time
),