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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 | |
47 | static char sccsid[] = "@(#)log.c 5.7 (Berkeley) 10/30/90"; | |
48 | #endif not lint | |
49 | ||
50 | #include "include.h" | |
51 | #include "pathnames.h" | |
52 | ||
53 | compar(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 | ||
72 | char * | |
73 | timestr(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 | ||
91 | log_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 | } |