1 /* $OpenBSD: log.c,v 1.22 2016/03/16 15:00:35 mestre Exp $ */ 2 /* $NetBSD: log.c,v 1.3 1995/03/21 15:04:21 cgd Exp $ */ 3 4 /*- 5 * Copyright (c) 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Ed James. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 /* 37 * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved. 38 * 39 * Copy permission is hereby granted provided that this notice is 40 * retained on all partial or complete copies. 41 * 42 * For more info on this and all of my stuff, mail edjames@berkeley.edu. 43 */ 44 45 #include <sys/stat.h> 46 #include <sys/types.h> 47 48 #include <err.h> 49 #include <errno.h> 50 #include <fcntl.h> 51 #include <stdlib.h> 52 #include <string.h> 53 #include <unistd.h> 54 55 #include "extern.h" 56 #include "pathnames.h" 57 58 static FILE *score_fp; 59 60 int 61 compar(const void *va, const void *vb) 62 { 63 const SCORE *a, *b; 64 65 a = (const SCORE *)va; 66 b = (const SCORE *)vb; 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 MINUTES(t) (((t) % SECAHOUR) / SECAMIN) 81 #define SEC(t) ((t) % SECAMIN) 82 83 const char * 84 timestr(int t) 85 { 86 static char s[80]; 87 88 if (DAY(t) > 0) 89 (void)snprintf(s, sizeof s, "%dd+%02dhrs", DAY(t), HOUR(t)); 90 else if (HOUR(t) > 0) 91 (void)snprintf(s, sizeof s, "%d:%02d:%02d", 92 HOUR(t), MINUTES(t), SEC(t)); 93 else if (MINUTES(t) > 0) 94 (void)snprintf(s, sizeof s, "%d:%02d", MINUTES(t), SEC(t)); 95 else if (SEC(t) > 0) 96 (void)snprintf(s, sizeof s, ":%02d", SEC(t)); 97 else 98 *s = '\0'; 99 100 return (s); 101 } 102 103 int 104 open_score_file(void) 105 { 106 mode_t old_mode; 107 char *home; 108 char scorefile[PATH_MAX]; 109 int ret; 110 int score_fd; 111 112 home = getenv("HOME"); 113 if (home == NULL || *home == '\0') 114 err(1, "getenv"); 115 ret = snprintf(scorefile, sizeof(scorefile), "%s/%s", home, 116 ".atc.scores"); 117 if (ret < 0 || ret >= PATH_MAX) 118 errc(1, ENAMETOOLONG, "%s/%s", home, ".atc.scores"); 119 120 old_mode = umask(0); 121 score_fd = open(scorefile, O_CREAT|O_RDWR, 0644); 122 if (score_fd < 0) 123 err(1, "open"); 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 err(1, "fdopen"); 131 umask(old_mode); 132 return (0); 133 } 134 135 int 136 log_score(int list_em) 137 { 138 int i, num_scores = 0, good, changed = 0, found = 0; 139 const char *name; 140 char *cp; 141 char scanstr[50]; 142 SCORE score[NUM_SCORES], thisscore; 143 144 if (score_fp == NULL) 145 return (-1); 146 if (flock(fileno(score_fp), LOCK_EX) < 0) 147 err(1, "flock"); 148 snprintf(scanstr, 50, "%%%zus %%%zus %%d %%d %%d", sizeof(score[0].name)-1, 149 sizeof(score[0].game)-1); 150 for (;;) { 151 good = fscanf(score_fp, scanstr, 152 score[num_scores].name, 153 score[num_scores].game, 154 &score[num_scores].planes, 155 &score[num_scores].time, 156 &score[num_scores].real_time); 157 if (good != 5 || ++num_scores >= NUM_SCORES) 158 break; 159 } 160 if (!test_mode && !list_em) { 161 name = getenv("LOGNAME"); 162 if (name == NULL || *name == '\0') 163 name = getenv("USER"); 164 if (name == NULL || *name == '\0') 165 name = getlogin(); 166 if (name == NULL || *name == '\0') 167 name = " ???"; 168 strlcpy(thisscore.name, name, sizeof(thisscore.name)); 169 170 cp = strrchr(file, '/'); 171 if (cp == NULL) { 172 warnx("log: where's the '/' in %s?", file); 173 return (-1); 174 } 175 cp++; 176 strlcpy(thisscore.game, cp, sizeof(thisscore.game)); 177 178 thisscore.time = clck; 179 thisscore.planes = safe_planes; 180 thisscore.real_time = time(0) - start_time; 181 182 for (i = 0; i < num_scores; i++) { 183 if (strcmp(thisscore.name, score[i].name) == 0 && 184 strcmp(thisscore.game, score[i].game) == 0) { 185 if (thisscore.time > score[i].time) { 186 score[i].time = thisscore.time; 187 score[i].planes = thisscore.planes; 188 score[i].real_time = 189 thisscore.real_time; 190 changed++; 191 } 192 found++; 193 break; 194 } 195 } 196 if (!found) { 197 for (i = 0; i < num_scores; i++) { 198 if (thisscore.time > score[i].time) { 199 if (num_scores < NUM_SCORES) 200 num_scores++; 201 memcpy(&score[num_scores - 1], 202 &score[i], 203 sizeof (score[i])); 204 memcpy(&score[i], &thisscore, 205 sizeof (score[i])); 206 changed++; 207 break; 208 } 209 } 210 } 211 if (!found && !changed && num_scores < NUM_SCORES) { 212 memcpy(&score[num_scores], &thisscore, 213 sizeof (score[num_scores])); 214 num_scores++; 215 changed++; 216 } 217 218 if (seeded) { 219 puts("The high score list does not include '-r' seeded games."); 220 } else if (changed) { 221 if (found) 222 puts("You beat your previous score!"); 223 else 224 puts("You made the top players list!"); 225 qsort(score, num_scores, sizeof (*score), compar); 226 if (fseek(score_fp, 0L, SEEK_SET) == -1) 227 err(1, "fseek"); 228 for (i = 0; i < num_scores; i++) 229 fprintf(score_fp, "%s %s %d %d %d\n", 230 score[i].name, 231 score[i].game, score[i].planes, 232 score[i].time, score[i].real_time); 233 } else { 234 if (found) 235 puts("You didn't beat your previous score."); 236 else 237 puts("You didn't make the top players list."); 238 } 239 putchar('\n'); 240 } 241 flock(fileno(score_fp), LOCK_UN); 242 fflush(score_fp); 243 fsync(fileno(score_fp)); 244 if (fseek(score_fp, 0L, SEEK_SET) == -1) 245 err(1, "fseek"); 246 printf("%2s: %-31s %-18s %4s %9s %4s\n", "#", "name", 247 "game", "time", "real time", "safe"); 248 puts("-------------------------------------------------------------------------------"); 249 for (i = 0; i < num_scores; i++) { 250 printf("%2d: %-31s %-18s %4d %9s %4d\n", i + 1, 251 score[i].name, score[i].game, 252 score[i].time, timestr(score[i].real_time), 253 score[i].planes); 254 } 255 putchar('\n'); 256 return (0); 257 } 258 259 void 260 log_score_quit(int dummy) 261 { 262 (void)log_score(0); 263 exit(0); 264 } 265