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 1.3 2006/08/08 15:03:02 pavalos 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.
54 #include "pathnames.h"
57 #include <sys/utsname.h>
60 static FILE *score_fp;
62 static int compar(const void *, const void *);
63 static const char *timestr(int);
67 compar(const void *va, const void *vb)
71 a = (const SCORE *)va;
72 b = (const SCORE *)vb;
74 if (b->planes == a->planes)
75 return (b->time - a->time);
77 return (b->planes - a->planes);
83 #define SECAHOUR (SECAMIN * MINAHOUR)
84 #define SECADAY (SECAHOUR * HOURADAY)
85 #define DAY(t) ((t) / SECADAY)
86 #define HOUR(t) (((t) % SECADAY) / SECAHOUR)
87 #define MIN(t) (((t) % SECAHOUR) / SECAMIN)
88 #define SEC(t) ((t) % SECAMIN)
96 (void)sprintf(s, "%dd+%02dhrs", DAY(t), HOUR(t));
98 (void)sprintf(s, "%d:%02d:%02d", HOUR(t), MIN(t), SEC(t));
100 (void)sprintf(s, "%d:%02d", MIN(t), SEC(t));
102 (void)sprintf(s, ":%02d", SEC(t));
110 open_score_file(void)
117 score_fd = open(_PATH_SCORE, O_CREAT|O_RDWR, 0664);
120 warn("open %s", _PATH_SCORE);
123 /* Set the close-on-exec flag. If this fails for any reason, quit
124 * rather than leave the score file open to tampering. */
125 flags = fcntl(score_fd, F_GETFD);
127 err(1, "fcntl F_GETFD");
129 if (fcntl(score_fd, F_SETFD, flags) == -1)
130 err(1, "fcntl F_SETFD");
132 * This is done to take advantage of stdio, while still
133 * allowing a O_CREAT during the open(2) of the log file.
135 score_fp = fdopen(score_fd, "r+");
136 if (score_fp == NULL) {
137 warn("fdopen %s", _PATH_SCORE);
143 log_score(int list_em)
145 int i, num_scores = 0, good, changed = 0, found = 0;
148 SCORE score[100], thisscore;
153 if (score_fp == NULL) {
154 warnx("no score file available");
159 if (flock(fileno(score_fp), LOCK_EX) < 0)
162 while (lockf(fileno(score_fp), F_LOCK, 1) < 0)
165 warn("flock %s", _PATH_SCORE);
169 good = fscanf(score_fp, SCORE_SCANF_FMT,
170 score[num_scores].name,
171 score[num_scores].host,
172 score[num_scores].game,
173 &score[num_scores].planes,
174 &score[num_scores].time,
175 &score[num_scores].real_time);
176 if (good != 6 || ++num_scores >= NUM_SCORES)
179 if (!test_mode && !list_em) {
180 if ((pw = (struct passwd *) getpwuid(getuid())) == NULL) {
182 "getpwuid failed for uid %d. Who are you?\n",
186 strcpy(thisscore.name, pw->pw_name);
188 if (gethostname(thisscore.host, sizeof (thisscore.host)) < 0) {
189 perror("gethostname");
195 strcpy(thisscore.host, name.nodename);
198 cp = rindex(filename, '/');
200 fprintf(stderr, "log: where's the '/' in %s?\n", filename);
204 strcpy(thisscore.game, cp);
206 thisscore.time = clck;
207 thisscore.planes = safe_planes;
208 thisscore.real_time = time(0) - start_time;
210 for (i = 0; i < num_scores; i++) {
211 if (strcmp(thisscore.name, score[i].name) == 0 &&
212 strcmp(thisscore.host, score[i].host) == 0 &&
213 strcmp(thisscore.game, score[i].game) == 0) {
214 if (thisscore.time > score[i].time) {
215 score[i].time = thisscore.time;
216 score[i].planes = thisscore.planes;
226 for (i = 0; i < num_scores; i++) {
227 if (thisscore.time > score[i].time) {
228 if (num_scores < NUM_SCORES)
231 &score[num_scores - 1],
233 bcopy(&thisscore, &score[i],
240 if (!found && !changed && num_scores < NUM_SCORES) {
241 bcopy(&thisscore, &score[num_scores],
242 sizeof (score[num_scores]));
249 puts("You beat your previous score!");
251 puts("You made the top players list!");
252 qsort(score, num_scores, sizeof (*score), compar);
254 for (i = 0; i < num_scores; i++)
255 fprintf(score_fp, "%s %s %s %d %d %d\n",
256 score[i].name, score[i].host,
257 score[i].game, score[i].planes,
258 score[i].time, score[i].real_time);
260 if (ferror(score_fp))
261 warn("error writing %s", _PATH_SCORE);
262 /* It is just possible that updating an entry could
263 * have reduced the length of the file, so we
264 * truncate it. The lseek is required for stream/fd
265 * synchronisation by POSIX.1. */
266 lseek(fileno(score_fp), 0, SEEK_END);
267 ftruncate(fileno(score_fp), ftell(score_fp));
270 puts("You didn't beat your previous score.");
272 puts("You didn't make the top players list.");
277 flock(fileno(score_fp), LOCK_UN);
280 /* lock will evaporate upon close */
283 printf("%2s: %-8s %-8s %-18s %4s %9s %4s\n", "#", "name", "host",
284 "game", "time", "real time", "planes safe");
285 puts("-------------------------------------------------------------------------------");
286 for (i = 0; i < num_scores; i++) {
287 cp = index(score[i].host, '.');
290 printf("%2d: %-8s %-8s %-18s %4d %9s %4d\n", i + 1,
291 score[i].name, score[i].host, score[i].game,
292 score[i].time, timestr(score[i].real_time),