mandoc(1): Update to 1.9.19.
[dragonfly.git] / games / atc / log.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.
6693db17 16 * 3. Neither the name of the University nor the names of its contributors
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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.
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31 *
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 $
2e8d32e0 34 * $DragonFly: src/games/atc/log.c,v 1.3 2006/08/08 15:03:02 pavalos Exp $
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35 */
36
37/*
38 * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved.
39 *
40 * Copy permission is hereby granted provided that this notice is
41 * retained on all partial or complete copies.
42 *
43 * For more info on this and all of my stuff, mail edjames@berkeley.edu.
44 */
45
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46#include <sys/stat.h>
47#include <err.h>
48
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49#include "include.h"
50#include "pathnames.h"
51
984263bc 52#include <sys/utsname.h>
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53
54static FILE *score_fp;
55
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56static int compar(const void *, const void *);
57static const char *timestr(int);
58
59
60static int
61compar(const void *va, const void *vb)
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62{
63 const SCORE *a, *b;
64
65 a = (const SCORE *)va;
66 b = (const SCORE *)vb;
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67 if (b->planes == a->planes)
68 return (b->time - a->time);
69 else
70 return (b->planes - a->planes);
71}
72
73#define SECAMIN 60
74#define MINAHOUR 60
75#define HOURADAY 24
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)
82
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83static const char *
84timestr(int t)
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85{
86 static char s[80];
87
88 if (DAY(t) > 0)
89 (void)sprintf(s, "%dd+%02dhrs", DAY(t), HOUR(t));
90 else if (HOUR(t) > 0)
91 (void)sprintf(s, "%d:%02d:%02d", HOUR(t), MIN(t), SEC(t));
92 else if (MIN(t) > 0)
93 (void)sprintf(s, "%d:%02d", MIN(t), SEC(t));
94 else if (SEC(t) > 0)
95 (void)sprintf(s, ":%02d", SEC(t));
96 else
97 *s = '\0';
98
99 return (s);
100}
101
102void
2e8d32e0 103open_score_file(void)
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104{
105 mode_t old_mask;
106 int score_fd;
107 int flags;
108
109 old_mask = umask(0);
110 score_fd = open(_PATH_SCORE, O_CREAT|O_RDWR, 0664);
111 umask(old_mask);
112 if (score_fd < 0) {
113 warn("open %s", _PATH_SCORE);
114 return;
115 }
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);
119 if (flags < 0)
120 err(1, "fcntl F_GETFD");
121 flags |= FD_CLOEXEC;
122 if (fcntl(score_fd, F_SETFD, flags) == -1)
123 err(1, "fcntl F_SETFD");
124 /*
125 * This is done to take advantage of stdio, while still
126 * allowing a O_CREAT during the open(2) of the log file.
127 */
128 score_fp = fdopen(score_fd, "r+");
129 if (score_fp == NULL) {
130 warn("fdopen %s", _PATH_SCORE);
131 return;
132 }
133}
134
135int
2e8d32e0 136log_score(int list_em)
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137{
138 int i, num_scores = 0, good, changed = 0, found = 0;
139 struct passwd *pw;
140 char *cp;
141 SCORE score[100], thisscore;
5f206b34 142 struct utsname xname;
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143
144 if (score_fp == NULL) {
145 warnx("no score file available");
146 return (-1);
147 }
148
984263bc 149 if (flock(fileno(score_fp), LOCK_EX) < 0)
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150 {
151 warn("flock %s", _PATH_SCORE);
152 return (-1);
153 }
154 for (;;) {
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)
163 break;
164 }
165 if (!test_mode && !list_em) {
166 if ((pw = (struct passwd *) getpwuid(getuid())) == NULL) {
167 fprintf(stderr,
168 "getpwuid failed for uid %d. Who are you?\n",
169 (int)getuid());
170 return (-1);
171 }
172 strcpy(thisscore.name, pw->pw_name);
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173
174 uname(&xname);
175 strcpy(thisscore.host, xname.nodename);
984263bc 176
2e8d32e0 177 cp = rindex(filename, '/');
984263bc 178 if (cp == NULL) {
2e8d32e0 179 fprintf(stderr, "log: where's the '/' in %s?\n", filename);
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180 return (-1);
181 }
182 cp++;
183 strcpy(thisscore.game, cp);
184
185 thisscore.time = clck;
186 thisscore.planes = safe_planes;
187 thisscore.real_time = time(0) - start_time;
188
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;
196 score[i].real_time =
197 thisscore.real_time;
198 changed++;
199 }
200 found++;
201 break;
202 }
203 }
204 if (!found) {
205 for (i = 0; i < num_scores; i++) {
206 if (thisscore.time > score[i].time) {
207 if (num_scores < NUM_SCORES)
208 num_scores++;
209 bcopy(&score[i],
210 &score[num_scores - 1],
211 sizeof (score[i]));
212 bcopy(&thisscore, &score[i],
213 sizeof (score[i]));
214 changed++;
215 break;
216 }
217 }
218 }
219 if (!found && !changed && num_scores < NUM_SCORES) {
220 bcopy(&thisscore, &score[num_scores],
221 sizeof (score[num_scores]));
222 num_scores++;
223 changed++;
224 }
225
226 if (changed) {
227 if (found)
228 puts("You beat your previous score!");
229 else
230 puts("You made the top players list!");
231 qsort(score, num_scores, sizeof (*score), compar);
232 rewind(score_fp);
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);
238 fflush(score_fp);
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));
247 } else {
248 if (found)
249 puts("You didn't beat your previous score.");
250 else
251 puts("You didn't make the top players list.");
252 }
253 putchar('\n');
254 }
984263bc 255 flock(fileno(score_fp), LOCK_UN);
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256 fclose(score_fp);
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, '.');
262 if (cp != NULL)
263 *cp = '\0';
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),
267 score[i].planes);
268 }
269 putchar('\n');
270 return (0);
271}