386BSD 0.1 development
[unix-history] / usr / othersrc / games / atc / log.c
CommitLineData
a9cea16d
WJ
1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * 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.
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
46#ifndef lint
47static char sccsid[] = "@(#)log.c 5.7 (Berkeley) 10/30/90";
48#endif not lint
49
50#include "include.h"
51#include "pathnames.h"
52
53compar(a, b)
54 SCORE *a, *b;
55{
56 if (b->planes == a->planes)
57 return (b->time - a->time);
58 else
59 return (b->planes - a->planes);
60}
61
62#define SECAMIN 60
63#define MINAHOUR 60
64#define HOURADAY 24
65#define SECAHOUR (SECAMIN * MINAHOUR)
66#define SECADAY (SECAHOUR * HOURADAY)
67#define DAY(t) ((t) / SECADAY)
68#define HOUR(t) (((t) % SECADAY) / SECAHOUR)
69#define MIN(t) (((t) % SECAHOUR) / SECAMIN)
70#define SEC(t) ((t) % SECAMIN)
71
72char *
73timestr(t)
74{
75 static char s[80];
76
77 if (DAY(t) > 0)
78 (void)sprintf(s, "%dd+%02dhrs", DAY(t), HOUR(t));
79 else if (HOUR(t) > 0)
80 (void)sprintf(s, "%d:%02d:%02d", HOUR(t), MIN(t), SEC(t));
81 else if (MIN(t) > 0)
82 (void)sprintf(s, "%d:%02d", MIN(t), SEC(t));
83 else if (SEC(t) > 0)
84 (void)sprintf(s, ":%02d", SEC(t));
85 else
86 *s = '\0';
87
88 return (s);
89}
90
91log_score(list_em)
92{
93 register int i, fd, num_scores = 0, good, changed = 0, found = 0;
94 struct passwd *pw;
95 FILE *fp;
96 char *cp, *index(), *rindex();
97 SCORE score[100], thisscore;
98#ifdef SYSV
99 struct utsname name;
100#endif
101
102 umask(0);
103 fd = open(_PATH_SCORE, O_CREAT|O_RDWR, 0644);
104 if (fd < 0) {
105 perror(_PATH_SCORE);
106 return (-1);
107 }
108 /*
109 * This is done to take advantage of stdio, while still
110 * allowing a O_CREAT during the open(2) of the log file.
111 */
112 fp = fdopen(fd, "r+");
113 if (fp == NULL) {
114 perror(_PATH_SCORE);
115 return (-1);
116 }
117#ifdef BSD
118 if (flock(fileno(fp), LOCK_EX) < 0)
119#endif
120#ifdef SYSV
121 while (lockf(fileno(fp), F_LOCK, 1) < 0)
122#endif
123 {
124 perror("flock");
125 return (-1);
126 }
127 for (;;) {
128 good = fscanf(fp, "%s %s %s %d %d %d",
129 score[num_scores].name,
130 score[num_scores].host,
131 score[num_scores].game,
132 &score[num_scores].planes,
133 &score[num_scores].time,
134 &score[num_scores].real_time);
135 if (good != 6 || ++num_scores >= NUM_SCORES)
136 break;
137 }
138 if (!test_mode && !list_em) {
139 if ((pw = (struct passwd *) getpwuid(getuid())) == NULL) {
140 fprintf(stderr,
141 "getpwuid failed for uid %d. Who are you?\n",
142 getuid());
143 return (-1);
144 }
145 strcpy(thisscore.name, pw->pw_name);
146#ifdef BSD
147 if (gethostname(thisscore.host, sizeof (thisscore.host)) < 0) {
148 perror("gethostname");
149 return (-1);
150 }
151#endif
152#ifdef SYSV
153 uname(&name);
154 strcpy(thisscore.host, name.sysname);
155#endif
156
157 cp = rindex(file, '/');
158 if (cp == NULL) {
159 fprintf(stderr, "log: where's the '/' in %s?\n", file);
160 return (-1);
161 }
162 cp++;
163 strcpy(thisscore.game, cp);
164
165 thisscore.time = clck;
166 thisscore.planes = safe_planes;
167 thisscore.real_time = time(0) - start_time;
168
169 for (i = 0; i < num_scores; i++) {
170 if (strcmp(thisscore.name, score[i].name) == 0 &&
171 strcmp(thisscore.host, score[i].host) == 0 &&
172 strcmp(thisscore.game, score[i].game) == 0) {
173 if (thisscore.time > score[i].time) {
174 score[i].time = thisscore.time;
175 score[i].planes = thisscore.planes;
176 score[i].real_time =
177 thisscore.real_time;
178 changed++;
179 }
180 found++;
181 break;
182 }
183 }
184 if (!found) {
185 for (i = 0; i < num_scores; i++) {
186 if (thisscore.time > score[i].time) {
187 if (num_scores < NUM_SCORES)
188 num_scores++;
189 bcopy(&score[i],
190 &score[num_scores - 1],
191 sizeof (score[i]));
192 bcopy(&thisscore, &score[i],
193 sizeof (score[i]));
194 changed++;
195 break;
196 }
197 }
198 }
199 if (!found && !changed && num_scores < NUM_SCORES) {
200 bcopy(&thisscore, &score[num_scores],
201 sizeof (score[num_scores]));
202 num_scores++;
203 changed++;
204 }
205
206 if (changed) {
207 if (found)
208 puts("You beat your previous score!");
209 else
210 puts("You made the top players list!");
211 qsort(score, num_scores, sizeof (*score), compar);
212 rewind(fp);
213 for (i = 0; i < num_scores; i++)
214 fprintf(fp, "%s %s %s %d %d %d\n",
215 score[i].name, score[i].host,
216 score[i].game, score[i].planes,
217 score[i].time, score[i].real_time);
218 } else {
219 if (found)
220 puts("You didn't beat your previous score.");
221 else
222 puts("You didn't make the top players list.");
223 }
224 putchar('\n');
225 }
226#ifdef BSD
227 flock(fileno(fp), LOCK_UN);
228#endif
229#ifdef SYSV
230 /* lock will evaporate upon close */
231#endif
232 fclose(fp);
233 printf("%2s: %-8s %-8s %-18s %4s %9s %4s\n", "#", "name", "host",
234 "game", "time", "real time", "planes safe");
235 puts("-------------------------------------------------------------------------------");
236 for (i = 0; i < num_scores; i++) {
237 cp = index(score[i].host, '.');
238 if (cp != NULL)
239 *cp = '\0';
240 printf("%2d: %-8s %-8s %-18s %4d %9s %4d\n", i + 1,
241 score[i].name, score[i].host, score[i].game,
242 score[i].time, timestr(score[i].real_time),
243 score[i].planes);
244 }
245 putchar('\n');
246 return (0);
247}