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| author | Richard M. Stallman | 2003-02-04 12:00:09 +0000 |
|---|---|---|
| committer | Richard M. Stallman | 2003-02-04 12:00:09 +0000 |
| commit | a5d107f3c71c8d38d150cc2626440c8f9c52e9be (patch) | |
| tree | d931f729b7865e4ba453fea8b705bfd280b24644 /lib-src | |
| parent | 22b94eeb2cda1be98f8cc6ac9b86e567ad221ab4 (diff) | |
| download | emacs-a5d107f3c71c8d38d150cc2626440c8f9c52e9be.tar.gz emacs-a5d107f3c71c8d38d150cc2626440c8f9c52e9be.zip | |
Whitespace changes.
Diffstat (limited to 'lib-src')
| -rw-r--r-- | lib-src/update-game-score.c | 247 |
1 files changed, 122 insertions, 125 deletions
diff --git a/lib-src/update-game-score.c b/lib-src/update-game-score.c index 7393135daa9..2e526b00bd0 100644 --- a/lib-src/update-game-score.c +++ b/lib-src/update-game-score.c | |||
| @@ -69,22 +69,20 @@ extern int optind, opterr; | |||
| 69 | #endif | 69 | #endif |
| 70 | 70 | ||
| 71 | int | 71 | int |
| 72 | usage(err) | 72 | usage (err) |
| 73 | int err; | 73 | int err; |
| 74 | { | 74 | { |
| 75 | fprintf(stdout, "Usage: update-game-score [-m MAX ] [ -r ] game/scorefile SCORE DATA\n"); | 75 | fprintf (stdout, "Usage: update-game-score [-m MAX ] [ -r ] game/scorefile SCORE DATA\n"); |
| 76 | fprintf(stdout, " update-game-score -h\n"); | 76 | fprintf (stdout, " update-game-score -h\n"); |
| 77 | fprintf(stdout, " -h\t\tDisplay this help.\n"); | 77 | fprintf (stdout, " -h\t\tDisplay this help.\n"); |
| 78 | fprintf(stdout, " -m MAX\t\tLimit the maximum number of scores to MAX.\n"); | 78 | fprintf (stdout, " -m MAX\t\tLimit the maximum number of scores to MAX.\n"); |
| 79 | fprintf(stdout, " -r\t\tSort the scores in increasing order.\n"); | 79 | fprintf (stdout, " -r\t\tSort the scores in increasing order.\n"); |
| 80 | fprintf(stdout, " -d DIR\t\tStore scores in DIR (only if not setuid).\n"); | 80 | fprintf (stdout, " -d DIR\t\tStore scores in DIR (only if not setuid).\n"); |
| 81 | exit(err); | 81 | exit (err); |
| 82 | } | 82 | } |
| 83 | 83 | ||
| 84 | int | 84 | int lock_file P_ ((const char *filename, void **state)); |
| 85 | lock_file P_((const char *filename, void **state)); | 85 | int unlock_file P_ ((const char *filename, void *state)); |
| 86 | int | ||
| 87 | unlock_file P_((const char *filename, void *state)); | ||
| 88 | 86 | ||
| 89 | struct score_entry | 87 | struct score_entry |
| 90 | { | 88 | { |
| @@ -93,77 +91,75 @@ struct score_entry | |||
| 93 | char *data; | 91 | char *data; |
| 94 | }; | 92 | }; |
| 95 | 93 | ||
| 96 | int | 94 | int read_scores P_ ((const char *filename, struct score_entry **scores, |
| 97 | read_scores P_((const char *filename, struct score_entry **scores, | 95 | int *count)); |
| 98 | int *count)); | 96 | int push_score P_ ((struct score_entry **scores, int *count, |
| 99 | int | 97 | int newscore, char *username, char *newdata)); |
| 100 | push_score P_((struct score_entry **scores, int *count, | 98 | void sort_scores P_ ((struct score_entry *scores, int count, int reverse)); |
| 101 | int newscore, char *username, char *newdata)); | 99 | int write_scores P_ ((const char *filename, const struct score_entry *scores, |
| 102 | void | 100 | int count)); |
| 103 | sort_scores P_((struct score_entry *scores, int count, int reverse)); | ||
| 104 | int | ||
| 105 | write_scores P_((const char *filename, const struct score_entry *scores, | ||
| 106 | int count)); | ||
| 107 | 101 | ||
| 108 | void lose P_((const char *msg)) NO_RETURN; | 102 | void lose P_ ((const char *msg)) NO_RETURN; |
| 109 | 103 | ||
| 110 | void lose(msg) | 104 | void |
| 105 | lose (msg) | ||
| 111 | const char *msg; | 106 | const char *msg; |
| 112 | { | 107 | { |
| 113 | fprintf(stderr, "%s\n", msg); | 108 | fprintf (stderr, "%s\n", msg); |
| 114 | exit(1); | 109 | exit (1); |
| 115 | } | 110 | } |
| 116 | 111 | ||
| 117 | void lose_syserr P_((const char *msg)) NO_RETURN; | 112 | void lose_syserr P_ ((const char *msg)) NO_RETURN; |
| 118 | 113 | ||
| 119 | void lose_syserr(msg) | 114 | void |
| 115 | lose_syserr (msg) | ||
| 120 | const char *msg; | 116 | const char *msg; |
| 121 | { | 117 | { |
| 122 | fprintf(stderr, "%s: %s\n", msg, strerror(errno)); | 118 | fprintf (stderr, "%s: %s\n", msg, strerror (errno)); |
| 123 | exit(1); | 119 | exit (1); |
| 124 | } | 120 | } |
| 125 | 121 | ||
| 126 | char * | 122 | char * |
| 127 | get_user_id P_ ((void)) | 123 | get_user_id P_ ((void)) |
| 128 | { | 124 | { |
| 129 | char *name; | 125 | char *name; |
| 130 | struct passwd *buf = getpwuid(getuid()); | 126 | struct passwd *buf = getpwuid (getuid ()); |
| 131 | if (!buf) | 127 | if (!buf) |
| 132 | { | 128 | { |
| 133 | int count = 1; | 129 | int count = 1; |
| 134 | int uid = (int) getuid(); | 130 | int uid = (int) getuid (); |
| 135 | int tuid = uid; | 131 | int tuid = uid; |
| 136 | while (tuid /= 10) | 132 | while (tuid /= 10) |
| 137 | count++; | 133 | count++; |
| 138 | name = malloc(count+1); | 134 | name = malloc (count+1); |
| 139 | if (!name) | 135 | if (!name) |
| 140 | return NULL; | 136 | return NULL; |
| 141 | sprintf(name, "%d", uid); | 137 | sprintf (name, "%d", uid); |
| 142 | return name; | 138 | return name; |
| 143 | } | 139 | } |
| 144 | return buf->pw_name; | 140 | return buf->pw_name; |
| 145 | } | 141 | } |
| 146 | 142 | ||
| 147 | char * | 143 | char * |
| 148 | get_prefix(running_suid, user_prefix) | 144 | get_prefix (running_suid, user_prefix) |
| 149 | int running_suid; | 145 | int running_suid; |
| 150 | char *user_prefix; | 146 | char *user_prefix; |
| 151 | { | 147 | { |
| 152 | if (!running_suid && user_prefix == NULL) | 148 | if (!running_suid && user_prefix == NULL) |
| 153 | lose("Not using a shared game directory, and no prefix given."); | 149 | lose ("Not using a shared game directory, and no prefix given."); |
| 154 | if (running_suid) | 150 | if (running_suid) |
| 155 | { | 151 | { |
| 156 | #ifdef HAVE_SHARED_GAME_DIR | 152 | #ifdef HAVE_SHARED_GAME_DIR |
| 157 | return HAVE_SHARED_GAME_DIR; | 153 | return HAVE_SHARED_GAME_DIR; |
| 158 | #else | 154 | #else |
| 159 | lose("This program was compiled without HAVE_SHARED_GAME_DIR,\n and should not be suid."); | 155 | lose ("This program was compiled without HAVE_SHARED_GAME_DIR,\n and should not be suid."); |
| 160 | #endif | 156 | #endif |
| 161 | } | 157 | } |
| 162 | return user_prefix; | 158 | return user_prefix; |
| 163 | } | 159 | } |
| 164 | 160 | ||
| 165 | int | 161 | int |
| 166 | main(argc, argv) | 162 | main (argc, argv) |
| 167 | int argc; | 163 | int argc; |
| 168 | char **argv; | 164 | char **argv; |
| 169 | { | 165 | { |
| @@ -175,13 +171,13 @@ main(argc, argv) | |||
| 175 | int newscore, scorecount, reverse = 0, max = MAX_SCORES; | 171 | int newscore, scorecount, reverse = 0, max = MAX_SCORES; |
| 176 | char *newdata; | 172 | char *newdata; |
| 177 | 173 | ||
| 178 | srand(time(0)); | 174 | srand (time (0)); |
| 179 | 175 | ||
| 180 | while ((c = getopt(argc, argv, "hrm:d:")) != -1) | 176 | while ((c = getopt (argc, argv, "hrm:d:")) != -1) |
| 181 | switch (c) | 177 | switch (c) |
| 182 | { | 178 | { |
| 183 | case 'h': | 179 | case 'h': |
| 184 | usage(0); | 180 | usage (0); |
| 185 | break; | 181 | break; |
| 186 | case 'd': | 182 | case 'd': |
| 187 | user_prefix = optarg; | 183 | user_prefix = optarg; |
| @@ -190,48 +186,48 @@ main(argc, argv) | |||
| 190 | reverse = 1; | 186 | reverse = 1; |
| 191 | break; | 187 | break; |
| 192 | case 'm': | 188 | case 'm': |
| 193 | max = atoi(optarg); | 189 | max = atoi (optarg); |
| 194 | if (max > MAX_SCORES) | 190 | if (max > MAX_SCORES) |
| 195 | max = MAX_SCORES; | 191 | max = MAX_SCORES; |
| 196 | break; | 192 | break; |
| 197 | default: | 193 | default: |
| 198 | usage(1); | 194 | usage (1); |
| 199 | } | 195 | } |
| 200 | 196 | ||
| 201 | if (optind+3 != argc) | 197 | if (optind+3 != argc) |
| 202 | usage(1); | 198 | usage (1); |
| 203 | 199 | ||
| 204 | running_suid = (getuid() != geteuid()); | 200 | running_suid = (getuid () != geteuid ()); |
| 205 | 201 | ||
| 206 | prefix = get_prefix(running_suid, user_prefix); | 202 | prefix = get_prefix (running_suid, user_prefix); |
| 207 | 203 | ||
| 208 | scorefile = malloc(strlen(prefix) + strlen(argv[optind]) + 2); | 204 | scorefile = malloc (strlen (prefix) + strlen (argv[optind]) + 2); |
| 209 | if (!scorefile) | 205 | if (!scorefile) |
| 210 | lose_syserr("Couldn't allocate score file"); | 206 | lose_syserr ("Couldn't allocate score file"); |
| 211 | 207 | ||
| 212 | strcpy(scorefile, prefix); | 208 | strcpy (scorefile, prefix); |
| 213 | strcat(scorefile, "/"); | 209 | strcat (scorefile, "/"); |
| 214 | strcat(scorefile, argv[optind]); | 210 | strcat (scorefile, argv[optind]); |
| 215 | newscore = atoi(argv[optind+1]); | 211 | newscore = atoi (argv[optind+1]); |
| 216 | newdata = argv[optind+2]; | 212 | newdata = argv[optind+2]; |
| 217 | if (strlen(newdata) > MAX_DATA_LEN) | 213 | if (strlen (newdata) > MAX_DATA_LEN) |
| 218 | newdata[MAX_DATA_LEN] = '\0'; | 214 | newdata[MAX_DATA_LEN] = '\0'; |
| 219 | 215 | ||
| 220 | if ((user_id = get_user_id()) == NULL) | 216 | if ((user_id = get_user_id ()) == NULL) |
| 221 | lose_syserr("Couldn't determine user id"); | 217 | lose_syserr ("Couldn't determine user id"); |
| 222 | 218 | ||
| 223 | if (stat(scorefile, &buf) < 0) | 219 | if (stat (scorefile, &buf) < 0) |
| 224 | lose_syserr("Failed to access scores file"); | 220 | lose_syserr ("Failed to access scores file"); |
| 225 | 221 | ||
| 226 | if (lock_file(scorefile, &lockstate) < 0) | 222 | if (lock_file (scorefile, &lockstate) < 0) |
| 227 | lose_syserr("Failed to lock scores file"); | 223 | lose_syserr ("Failed to lock scores file"); |
| 228 | 224 | ||
| 229 | if (read_scores(scorefile, &scores, &scorecount) < 0) | 225 | if (read_scores (scorefile, &scores, &scorecount) < 0) |
| 230 | { | 226 | { |
| 231 | unlock_file(scorefile, lockstate); | 227 | unlock_file (scorefile, lockstate); |
| 232 | lose_syserr("Failed to read scores file"); | 228 | lose_syserr ("Failed to read scores file"); |
| 233 | } | 229 | } |
| 234 | push_score(&scores, &scorecount, newscore, user_id, newdata); | 230 | push_score (&scores, &scorecount, newscore, user_id, newdata); |
| 235 | /* Limit the number of scores. If we're using reverse sorting, then | 231 | /* Limit the number of scores. If we're using reverse sorting, then |
| 236 | we should increment the beginning of the array, to skip over the | 232 | we should increment the beginning of the array, to skip over the |
| 237 | *smallest* scores. Otherwise, we just decrement the number of | 233 | *smallest* scores. Otherwise, we just decrement the number of |
| @@ -240,58 +236,58 @@ main(argc, argv) | |||
| 240 | scorecount -= (scorecount - MAX_SCORES); | 236 | scorecount -= (scorecount - MAX_SCORES); |
| 241 | if (reverse) | 237 | if (reverse) |
| 242 | scores += (scorecount - MAX_SCORES); | 238 | scores += (scorecount - MAX_SCORES); |
| 243 | sort_scores(scores, scorecount, reverse); | 239 | sort_scores (scores, scorecount, reverse); |
| 244 | if (write_scores(scorefile, scores, scorecount) < 0) | 240 | if (write_scores (scorefile, scores, scorecount) < 0) |
| 245 | { | 241 | { |
| 246 | unlock_file(scorefile, lockstate); | 242 | unlock_file (scorefile, lockstate); |
| 247 | lose_syserr("Failed to write scores file"); | 243 | lose_syserr ("Failed to write scores file"); |
| 248 | } | 244 | } |
| 249 | unlock_file(scorefile, lockstate); | 245 | unlock_file (scorefile, lockstate); |
| 250 | exit(0); | 246 | exit (0); |
| 251 | } | 247 | } |
| 252 | 248 | ||
| 253 | int | 249 | int |
| 254 | read_score(f, score) | 250 | read_score (f, score) |
| 255 | FILE *f; | 251 | FILE *f; |
| 256 | struct score_entry *score; | 252 | struct score_entry *score; |
| 257 | { | 253 | { |
| 258 | int c; | 254 | int c; |
| 259 | if (feof(f)) | 255 | if (feof (f)) |
| 260 | return 1; | 256 | return 1; |
| 261 | while ((c = getc(f)) != EOF | 257 | while ((c = getc (f)) != EOF |
| 262 | && isdigit(c)) | 258 | && isdigit (c)) |
| 263 | { | 259 | { |
| 264 | score->score *= 10; | 260 | score->score *= 10; |
| 265 | score->score += (c-48); | 261 | score->score += (c-48); |
| 266 | } | 262 | } |
| 267 | while ((c = getc(f)) != EOF | 263 | while ((c = getc (f)) != EOF |
| 268 | && isspace(c)) | 264 | && isspace (c)) |
| 269 | ; | 265 | ; |
| 270 | if (c == EOF) | 266 | if (c == EOF) |
| 271 | return -1; | 267 | return -1; |
| 272 | ungetc(c, f); | 268 | ungetc (c, f); |
| 273 | #ifdef HAVE_GETDELIM | 269 | #ifdef HAVE_GETDELIM |
| 274 | { | 270 | { |
| 275 | size_t count = 0; | 271 | size_t count = 0; |
| 276 | if (getdelim(&score->username, &count, ' ', f) < 1 | 272 | if (getdelim (&score->username, &count, ' ', f) < 1 |
| 277 | || score->username == NULL) | 273 | || score->username == NULL) |
| 278 | return -1; | 274 | return -1; |
| 279 | /* Trim the space */ | 275 | /* Trim the space */ |
| 280 | score->username[strlen(score->username)-1] = '\0'; | 276 | score->username[strlen (score->username)-1] = '\0'; |
| 281 | } | 277 | } |
| 282 | #else | 278 | #else |
| 283 | { | 279 | { |
| 284 | int unameread = 0; | 280 | int unameread = 0; |
| 285 | int unamelen = 30; | 281 | int unamelen = 30; |
| 286 | char *username = malloc(unamelen); | 282 | char *username = malloc (unamelen); |
| 287 | if (!username) | 283 | if (!username) |
| 288 | return -1; | 284 | return -1; |
| 289 | 285 | ||
| 290 | while ((c = getc(f)) != EOF | 286 | while ((c = getc (f)) != EOF |
| 291 | && !isspace(c)) | 287 | && !isspace (c)) |
| 292 | { | 288 | { |
| 293 | if (unameread >= unamelen-1) | 289 | if (unameread >= unamelen-1) |
| 294 | if (!(username = realloc(username, unamelen *= 2))) | 290 | if (!(username = realloc (username, unamelen *= 2))) |
| 295 | return -1; | 291 | return -1; |
| 296 | username[unameread] = c; | 292 | username[unameread] = c; |
| 297 | unameread++; | 293 | unameread++; |
| @@ -307,23 +303,23 @@ read_score(f, score) | |||
| 307 | errno = 0; | 303 | errno = 0; |
| 308 | { | 304 | { |
| 309 | size_t len; | 305 | size_t len; |
| 310 | if (getline(&score->data, &len, f) < 0) | 306 | if (getline (&score->data, &len, f) < 0) |
| 311 | return -1; | 307 | return -1; |
| 312 | score->data[strlen(score->data)-1] = '\0'; | 308 | score->data[strlen (score->data)-1] = '\0'; |
| 313 | } | 309 | } |
| 314 | #else | 310 | #else |
| 315 | { | 311 | { |
| 316 | int cur = 0; | 312 | int cur = 0; |
| 317 | int len = 16; | 313 | int len = 16; |
| 318 | char *buf = malloc(len); | 314 | char *buf = malloc (len); |
| 319 | if (!buf) | 315 | if (!buf) |
| 320 | return -1; | 316 | return -1; |
| 321 | while ((c = getc(f)) != EOF | 317 | while ((c = getc (f)) != EOF |
| 322 | && c != '\n') | 318 | && c != '\n') |
| 323 | { | 319 | { |
| 324 | if (cur >= len-1) | 320 | if (cur >= len-1) |
| 325 | { | 321 | { |
| 326 | if (!(buf = realloc(buf, len *= 2))) | 322 | if (!(buf = realloc (buf, len *= 2))) |
| 327 | return -1; | 323 | return -1; |
| 328 | } | 324 | } |
| 329 | buf[cur] = c; | 325 | buf[cur] = c; |
| @@ -337,22 +333,22 @@ read_score(f, score) | |||
| 337 | } | 333 | } |
| 338 | 334 | ||
| 339 | int | 335 | int |
| 340 | read_scores(filename, scores, count) | 336 | read_scores (filename, scores, count) |
| 341 | const char *filename; | 337 | const char *filename; |
| 342 | struct score_entry **scores; | 338 | struct score_entry **scores; |
| 343 | int *count; | 339 | int *count; |
| 344 | { | 340 | { |
| 345 | int readval, scorecount, cursize; | 341 | int readval, scorecount, cursize; |
| 346 | struct score_entry *ret; | 342 | struct score_entry *ret; |
| 347 | FILE *f = fopen(filename, "r"); | 343 | FILE *f = fopen (filename, "r"); |
| 348 | if (!f) | 344 | if (!f) |
| 349 | return -1; | 345 | return -1; |
| 350 | scorecount = 0; | 346 | scorecount = 0; |
| 351 | cursize = 16; | 347 | cursize = 16; |
| 352 | ret = malloc(sizeof(struct score_entry) * cursize); | 348 | ret = malloc (sizeof (struct score_entry) * cursize); |
| 353 | if (!ret) | 349 | if (!ret) |
| 354 | return -1; | 350 | return -1; |
| 355 | while ((readval = read_score(f, &ret[scorecount])) == 0) | 351 | while ((readval = read_score (f, &ret[scorecount])) == 0) |
| 356 | { | 352 | { |
| 357 | /* We encoutered an error */ | 353 | /* We encoutered an error */ |
| 358 | if (readval < 0) | 354 | if (readval < 0) |
| @@ -360,7 +356,7 @@ read_scores(filename, scores, count) | |||
| 360 | scorecount++; | 356 | scorecount++; |
| 361 | if (scorecount >= cursize) | 357 | if (scorecount >= cursize) |
| 362 | { | 358 | { |
| 363 | ret = realloc(ret, cursize *= 2); | 359 | ret = realloc (ret, cursize *= 2); |
| 364 | if (!ret) | 360 | if (!ret) |
| 365 | return -1; | 361 | return -1; |
| 366 | } | 362 | } |
| @@ -371,7 +367,7 @@ read_scores(filename, scores, count) | |||
| 371 | } | 367 | } |
| 372 | 368 | ||
| 373 | int | 369 | int |
| 374 | score_compare(a, b) | 370 | score_compare (a, b) |
| 375 | const void *a; | 371 | const void *a; |
| 376 | const void *b; | 372 | const void *b; |
| 377 | { | 373 | { |
| @@ -381,7 +377,7 @@ score_compare(a, b) | |||
| 381 | } | 377 | } |
| 382 | 378 | ||
| 383 | int | 379 | int |
| 384 | score_compare_reverse(a, b) | 380 | score_compare_reverse (a, b) |
| 385 | const void *a; | 381 | const void *a; |
| 386 | const void *b; | 382 | const void *b; |
| 387 | { | 383 | { |
| @@ -391,14 +387,15 @@ score_compare_reverse(a, b) | |||
| 391 | } | 387 | } |
| 392 | 388 | ||
| 393 | int | 389 | int |
| 394 | push_score(scores, count, newscore, username, newdata) | 390 | push_score (scores, count, newscore, username, newdata) |
| 395 | struct score_entry **scores; | 391 | struct score_entry **scores; |
| 396 | int *count; int newscore; | 392 | int *count; int newscore; |
| 397 | char *username; | 393 | char *username; |
| 398 | char *newdata; | 394 | char *newdata; |
| 399 | { | 395 | { |
| 400 | struct score_entry *newscores = realloc(*scores, | 396 | struct score_entry *newscores |
| 401 | sizeof(struct score_entry) * ((*count) + 1)); | 397 | = realloc (*scores, |
| 398 | sizeof (struct score_entry) * ((*count) + 1)); | ||
| 402 | if (!newscores) | 399 | if (!newscores) |
| 403 | return -1; | 400 | return -1; |
| 404 | newscores[*count].score = newscore; | 401 | newscores[*count].score = newscore; |
| @@ -410,49 +407,49 @@ push_score(scores, count, newscore, username, newdata) | |||
| 410 | } | 407 | } |
| 411 | 408 | ||
| 412 | void | 409 | void |
| 413 | sort_scores(scores, count, reverse) | 410 | sort_scores (scores, count, reverse) |
| 414 | struct score_entry *scores; | 411 | struct score_entry *scores; |
| 415 | int count; | 412 | int count; |
| 416 | int reverse; | 413 | int reverse; |
| 417 | { | 414 | { |
| 418 | qsort(scores, count, sizeof(struct score_entry), | 415 | qsort (scores, count, sizeof (struct score_entry), |
| 419 | reverse ? score_compare_reverse : score_compare); | 416 | reverse ? score_compare_reverse : score_compare); |
| 420 | } | 417 | } |
| 421 | 418 | ||
| 422 | int | 419 | int |
| 423 | write_scores(filename, scores, count) | 420 | write_scores (filename, scores, count) |
| 424 | const char *filename; | 421 | const char *filename; |
| 425 | const struct score_entry * scores; | 422 | const struct score_entry * scores; |
| 426 | int count; | 423 | int count; |
| 427 | { | 424 | { |
| 428 | FILE *f; | 425 | FILE *f; |
| 429 | int i; | 426 | int i; |
| 430 | char *tempfile = malloc(strlen(filename) + strlen(".tempXXXXXX") + 1); | 427 | char *tempfile = malloc (strlen (filename) + strlen (".tempXXXXXX") + 1); |
| 431 | if (!tempfile) | 428 | if (!tempfile) |
| 432 | return -1; | 429 | return -1; |
| 433 | strcpy(tempfile, filename); | 430 | strcpy (tempfile, filename); |
| 434 | strcat(tempfile, ".tempXXXXXX"); | 431 | strcat (tempfile, ".tempXXXXXX"); |
| 435 | #ifdef HAVE_MKSTEMP | 432 | #ifdef HAVE_MKSTEMP |
| 436 | if (mkstemp(tempfile) < 0 | 433 | if (mkstemp (tempfile) < 0 |
| 437 | #else | 434 | #else |
| 438 | if (mktemp(tempfile) != tempfile | 435 | if (mktemp (tempfile) != tempfile |
| 439 | #endif | 436 | #endif |
| 440 | || !(f = fopen(tempfile, "w"))) | 437 | || !(f = fopen (tempfile, "w"))) |
| 441 | return -1; | 438 | return -1; |
| 442 | for (i = 0; i < count; i++) | 439 | for (i = 0; i < count; i++) |
| 443 | if (fprintf(f, "%ld %s %s\n", scores[i].score, scores[i].username, | 440 | if (fprintf (f, "%ld %s %s\n", scores[i].score, scores[i].username, |
| 444 | scores[i].data) < 0) | 441 | scores[i].data) < 0) |
| 445 | return -1; | 442 | return -1; |
| 446 | fclose(f); | 443 | fclose (f); |
| 447 | if (rename(tempfile, filename) < 0) | 444 | if (rename (tempfile, filename) < 0) |
| 448 | return -1; | 445 | return -1; |
| 449 | if (chmod(filename, 0644) < 0) | 446 | if (chmod (filename, 0644) < 0) |
| 450 | return -1; | 447 | return -1; |
| 451 | return 0; | 448 | return 0; |
| 452 | } | 449 | } |
| 453 | 450 | ||
| 454 | int | 451 | int |
| 455 | lock_file(filename, state) | 452 | lock_file (filename, state) |
| 456 | const char *filename; | 453 | const char *filename; |
| 457 | void **state; | 454 | void **state; |
| 458 | { | 455 | { |
| @@ -460,19 +457,19 @@ lock_file(filename, state) | |||
| 460 | struct stat buf; | 457 | struct stat buf; |
| 461 | int attempts = 0; | 458 | int attempts = 0; |
| 462 | char *lockext = ".lockfile"; | 459 | char *lockext = ".lockfile"; |
| 463 | char *lockpath = malloc(strlen(filename) + strlen(lockext) + 60); | 460 | char *lockpath = malloc (strlen (filename) + strlen (lockext) + 60); |
| 464 | if (!lockpath) | 461 | if (!lockpath) |
| 465 | return -1; | 462 | return -1; |
| 466 | strcpy(lockpath, filename); | 463 | strcpy (lockpath, filename); |
| 467 | strcat(lockpath, lockext); | 464 | strcat (lockpath, lockext); |
| 468 | *state = lockpath; | 465 | *state = lockpath; |
| 469 | trylock: | 466 | trylock: |
| 470 | attempts++; | 467 | attempts++; |
| 471 | /* If the lock is over an hour old, delete it. */ | 468 | /* If the lock is over an hour old, delete it. */ |
| 472 | if (stat(lockpath, &buf) == 0 | 469 | if (stat (lockpath, &buf) == 0 |
| 473 | && (difftime(buf.st_ctime, time(NULL) > 60*60))) | 470 | && (difftime (buf.st_ctime, time (NULL) > 60*60))) |
| 474 | unlink(lockpath); | 471 | unlink (lockpath); |
| 475 | if ((fd = open(lockpath, O_CREAT | O_EXCL, 0600)) < 0) | 472 | if ((fd = open (lockpath, O_CREAT | O_EXCL, 0600)) < 0) |
| 476 | { | 473 | { |
| 477 | if (errno == EEXIST) | 474 | if (errno == EEXIST) |
| 478 | { | 475 | { |
| @@ -480,28 +477,28 @@ lock_file(filename, state) | |||
| 480 | lose some scores. */ | 477 | lose some scores. */ |
| 481 | if (attempts > MAX_ATTEMPTS) | 478 | if (attempts > MAX_ATTEMPTS) |
| 482 | { | 479 | { |
| 483 | unlink(lockpath); | 480 | unlink (lockpath); |
| 484 | attempts = 0; | 481 | attempts = 0; |
| 485 | } | 482 | } |
| 486 | sleep((rand() % 2)+1); | 483 | sleep ((rand () % 2)+1); |
| 487 | goto trylock; | 484 | goto trylock; |
| 488 | } | 485 | } |
| 489 | else | 486 | else |
| 490 | return -1; | 487 | return -1; |
| 491 | } | 488 | } |
| 492 | close(fd); | 489 | close (fd); |
| 493 | return 0; | 490 | return 0; |
| 494 | } | 491 | } |
| 495 | 492 | ||
| 496 | int | 493 | int |
| 497 | unlock_file(filename, state) | 494 | unlock_file (filename, state) |
| 498 | const char *filename; | 495 | const char *filename; |
| 499 | void *state; | 496 | void *state; |
| 500 | { | 497 | { |
| 501 | char *lockpath = (char *) state; | 498 | char *lockpath = (char *) state; |
| 502 | int ret = unlink(lockpath); | 499 | int ret = unlink (lockpath); |
| 503 | int saved_errno = errno; | 500 | int saved_errno = errno; |
| 504 | free(lockpath); | 501 | free (lockpath); |
| 505 | errno = saved_errno; | 502 | errno = saved_errno; |
| 506 | return ret; | 503 | return ret; |
| 507 | } | 504 | } |