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. 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.
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
32 * @(#)log.c 8.1 (Berkeley) 5/31/93
33 * $FreeBSD: src/games/atc/log.c,v 1.7 1999/11/30 03:48:20 billf Exp $
34 * $DragonFly: src/games/atc/log.c,v 1.3 2006/08/08 15:03:02 pavalos Exp $
38 * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved.
40 * Copy permission is hereby granted provided that this notice is
41 * retained on all partial or complete copies.
43 * For more info on this and all of my stuff, mail edjames@berkeley.edu.
50 #include "pathnames.h"
52 #include <sys/utsname.h>
54 static FILE *score_fp;
56 static int compar(const void *, const void *);
57 static const char *timestr(int);
61 compar(const void *va, const void *vb)
65 a = (const SCORE *)va;
66 b = (const SCORE *)vb;
67 if (b->planes == a->planes)
68 return (b->time - a->time);
70 return (b->planes - a->planes);
76 #define SECAHOUR (SECAMIN * MINAHOUR)
77 #define SECADAY (SECAHOUR * HOURADAY)
78 #define DAY(t) ((t) / SECADAY)
79 #define HOUR(t) (((t) % SECADAY) / SECAHOUR)
80 #define MIN(t) (((t) % SECAHOUR) / SECAMIN)
81 #define SEC(t) ((t) % SECAMIN)
89 (void)sprintf(s, "%dd+%02dhrs", DAY(t), HOUR(t));
91 (void)sprintf(s, "%d:%02d:%02d", HOUR(t), MIN(t), SEC(t));
93 (void)sprintf(s, "%d:%02d", MIN(t), SEC(t));
95 (void)sprintf(s, ":%02d", SEC(t));
103 open_score_file(void)
110 score_fd = open(_PATH_SCORE, O_CREAT|O_RDWR, 0664);
113 warn("open %s", _PATH_SCORE);
116 /* Set the close-on-exec flag. If this fails for any reason, quit
117 * rather than leave the score file open to tampering. */
118 flags = fcntl(score_fd, F_GETFD);
120 err(1, "fcntl F_GETFD");
122 if (fcntl(score_fd, F_SETFD, flags) == -1)
123 err(1, "fcntl F_SETFD");
125 * This is done to take advantage of stdio, while still
126 * allowing a O_CREAT during the open(2) of the log file.
128 score_fp = fdopen(score_fd, "r+");
129 if (score_fp == NULL) {
130 warn("fdopen %s", _PATH_SCORE);
136 log_score(int list_em)
138 int i, num_scores = 0, good, changed = 0, found = 0;
141 SCORE score[100], thisscore;
142 struct utsname xname;
144 if (score_fp == NULL) {
145 warnx("no score file available");
149 if (flock(fileno(score_fp), LOCK_EX) < 0)
151 warn("flock %s", _PATH_SCORE);
155 good = fscanf(score_fp, SCORE_SCANF_FMT,
156 score[num_scores].name,
157 score[num_scores].host,
158 score[num_scores].game,
159 &score[num_scores].planes,
160 &score[num_scores].time,
161 &score[num_scores].real_time);
162 if (good != 6 || ++num_scores >= NUM_SCORES)
165 if (!test_mode && !list_em) {
166 if ((pw = (struct passwd *) getpwuid(getuid())) == NULL) {
168 "getpwuid failed for uid %d. Who are you?\n",
172 strcpy(thisscore.name, pw->pw_name);
175 strcpy(thisscore.host, xname.nodename);
177 cp = rindex(filename, '/');
179 fprintf(stderr, "log: where's the '/' in %s?\n", filename);
183 strcpy(thisscore.game, cp);
185 thisscore.time = clck;
186 thisscore.planes = safe_planes;
187 thisscore.real_time = time(0) - start_time;
189 for (i = 0; i < num_scores; i++) {
190 if (strcmp(thisscore.name, score[i].name) == 0 &&
191 strcmp(thisscore.host, score[i].host) == 0 &&
192 strcmp(thisscore.game, score[i].game) == 0) {
193 if (thisscore.time > score[i].time) {
194 score[i].time = thisscore.time;
195 score[i].planes = thisscore.planes;
205 for (i = 0; i < num_scores; i++) {
206 if (thisscore.time > score[i].time) {
207 if (num_scores < NUM_SCORES)
210 &score[num_scores - 1],
212 bcopy(&thisscore, &score[i],
219 if (!found && !changed && num_scores < NUM_SCORES) {
220 bcopy(&thisscore, &score[num_scores],
221 sizeof (score[num_scores]));
228 puts("You beat your previous score!");
230 puts("You made the top players list!");
231 qsort(score, num_scores, sizeof (*score), compar);
233 for (i = 0; i < num_scores; i++)
234 fprintf(score_fp, "%s %s %s %d %d %d\n",
235 score[i].name, score[i].host,
236 score[i].game, score[i].planes,
237 score[i].time, score[i].real_time);
239 if (ferror(score_fp))
240 warn("error writing %s", _PATH_SCORE);
241 /* It is just possible that updating an entry could
242 * have reduced the length of the file, so we
243 * truncate it. The lseek is required for stream/fd
244 * synchronisation by POSIX.1. */
245 lseek(fileno(score_fp), 0, SEEK_END);
246 ftruncate(fileno(score_fp), ftell(score_fp));
249 puts("You didn't beat your previous score.");
251 puts("You didn't make the top players list.");
255 flock(fileno(score_fp), LOCK_UN);
257 printf("%2s: %-8s %-8s %-18s %4s %9s %4s\n", "#", "name", "host",
258 "game", "time", "real time", "planes safe");
259 puts("-------------------------------------------------------------------------------");
260 for (i = 0; i < num_scores; i++) {
261 cp = index(score[i].host, '.');
264 printf("%2d: %-8s %-8s %-18s %4d %9s %4d\n", i + 1,
265 score[i].name, score[i].host, score[i].game,
266 score[i].time, timestr(score[i].real_time),