Commit | Line | Data |
---|---|---|
460b9539 | 1 | /* |
2 | * This file is part of DisOrder. | |
a745dd43 | 3 | * Copyright (C) 2004, 2005, 2007 Richard Kettlewell |
460b9539 | 4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
18 | * USA | |
19 | */ | |
20 | ||
21 | #include <config.h> | |
22 | #include "types.h" | |
23 | ||
24 | #include <getopt.h> | |
25 | #include <stdlib.h> | |
26 | #include <errno.h> | |
27 | #include <stdio.h> | |
28 | #include <string.h> | |
29 | #include <pcre.h> | |
30 | #include <unistd.h> | |
31 | #include <db.h> | |
a745dd43 | 32 | #include <fcntl.h> |
460b9539 | 33 | |
34 | #include "configuration.h" | |
35 | #include "syscalls.h" | |
36 | #include "log.h" | |
37 | #include "client.h" | |
38 | #include "sink.h" | |
39 | #include "mem.h" | |
40 | #include "defs.h" | |
41 | #include "printf.h" | |
42 | #include "kvp.h" | |
43 | #include "vector.h" | |
44 | #include "inputline.h" | |
5df73aeb | 45 | #include "rights.h" |
460b9539 | 46 | #include "trackdb.h" |
47 | #include "trackdb-int.h" | |
48 | #include "charset.h" | |
49 | ||
50 | static const struct option options[] = { | |
51 | { "help", no_argument, 0, 'h' }, | |
52 | { "version", no_argument, 0, 'V' }, | |
53 | { "config", required_argument, 0, 'c' }, | |
54 | { "dump", no_argument, 0, 'd' }, | |
55 | { "undump", no_argument, 0, 'u' }, | |
56 | { "debug", no_argument, 0, 'D' }, | |
57 | { "recover", no_argument, 0, 'r' }, | |
58 | { "recover-fatal", no_argument, 0, 'R' }, | |
59 | { "trackdb", no_argument, 0, 't' }, | |
60 | { "searchdb", no_argument, 0, 's' }, | |
61 | { "recompute-aliases", no_argument, 0, 'a' }, | |
62 | { "remove-pathless", no_argument, 0, 'P' }, | |
63 | { 0, 0, 0, 0 } | |
64 | }; | |
65 | ||
66 | /* display usage message and terminate */ | |
67 | static void help(void) { | |
68 | xprintf("Usage:\n" | |
69 | " disorder-dump [OPTIONS] --dump|--undump PATH\n" | |
70 | " disorder-dump [OPTIONS] --recompute-aliases\n" | |
71 | "Options:\n" | |
72 | " --help, -h Display usage message\n" | |
73 | " --version, -V Display version number\n" | |
74 | " --config PATH, -c PATH Set configuration file\n" | |
75 | " --dump, -d Dump state to PATH\n" | |
76 | " --undump, -u Restore state from PATH\n" | |
77 | " --recover, -r Run database recovery\n" | |
78 | " --recompute-aliases, -a Recompute aliases\n" | |
79 | " --remove-pathless, -P Remove pathless tracks\n" | |
80 | " --debug Debug mode\n"); | |
81 | xfclose(stdout); | |
82 | exit(0); | |
83 | } | |
84 | ||
85 | /* display version number and terminate */ | |
86 | static void version(void) { | |
a05e4467 | 87 | xprintf("%s", disorder_version_string); |
460b9539 | 88 | xfclose(stdout); |
89 | exit(0); | |
90 | } | |
91 | ||
92 | /* dump prefs to FP, return nonzero on error */ | |
93 | static void do_dump(FILE *fp, const char *tag, | |
94 | int tracksdb, int searchdb) { | |
95 | DBC *cursor = 0; | |
96 | DB_TXN *tid; | |
97 | struct sink *s = sink_stdio(tag, fp); | |
98 | int err; | |
99 | DBT k, d; | |
100 | ||
101 | for(;;) { | |
102 | tid = trackdb_begin_transaction(); | |
103 | if(fseek(fp, 0, SEEK_SET) < 0) | |
104 | fatal(errno, "error calling fseek"); | |
105 | if(fflush(fp) < 0) | |
106 | fatal(errno, "error calling fflush"); | |
107 | if(ftruncate(fileno(fp), 0) < 0) | |
108 | fatal(errno, "error calling ftruncate"); | |
109 | if(fprintf(fp, "V%c\n", (tracksdb || searchdb) ? '1' : '0') < 0) | |
110 | fatal(errno, "error writing to %s", tag); | |
f35e5800 | 111 | /* dump the preferences */ |
460b9539 | 112 | cursor = trackdb_opencursor(trackdb_prefsdb, tid); |
113 | err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), | |
114 | DB_FIRST); | |
115 | while(err == 0) { | |
116 | if(fputc('P', fp) < 0 | |
117 | || urlencode(s, k.data, k.size) | |
118 | || fputc('\n', fp) < 0 | |
119 | || urlencode(s, d.data, d.size) | |
120 | || fputc('\n', fp) < 0) | |
121 | fatal(errno, "error writing to %s", tag); | |
122 | err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), | |
123 | DB_NEXT); | |
124 | } | |
125 | if(trackdb_closecursor(cursor)) { cursor = 0; goto fail; } | |
126 | cursor = 0; | |
127 | ||
f35e5800 RK |
128 | /* dump the global preferences */ |
129 | cursor = trackdb_opencursor(trackdb_globaldb, tid); | |
130 | err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), | |
131 | DB_FIRST); | |
132 | while(err == 0) { | |
133 | if(fputc('G', fp) < 0 | |
134 | || urlencode(s, k.data, k.size) | |
135 | || fputc('\n', fp) < 0 | |
136 | || urlencode(s, d.data, d.size) | |
137 | || fputc('\n', fp) < 0) | |
138 | fatal(errno, "error writing to %s", tag); | |
139 | err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), | |
140 | DB_NEXT); | |
141 | } | |
142 | if(trackdb_closecursor(cursor)) { cursor = 0; goto fail; } | |
143 | cursor = 0; | |
144 | ||
a745dd43 RK |
145 | /* dump the users */ |
146 | cursor = trackdb_opencursor(trackdb_usersdb, tid); | |
147 | err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), | |
148 | DB_FIRST); | |
149 | while(err == 0) { | |
150 | if(fputc('U', fp) < 0 | |
151 | || urlencode(s, k.data, k.size) | |
152 | || fputc('\n', fp) < 0 | |
153 | || urlencode(s, d.data, d.size) | |
154 | || fputc('\n', fp) < 0) | |
155 | fatal(errno, "error writing to %s", tag); | |
156 | err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), | |
157 | DB_NEXT); | |
158 | } | |
159 | if(trackdb_closecursor(cursor)) { cursor = 0; goto fail; } | |
160 | cursor = 0; | |
161 | ||
460b9539 | 162 | if(tracksdb) { |
163 | cursor = trackdb_opencursor(trackdb_tracksdb, tid); | |
164 | err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), | |
165 | DB_FIRST); | |
166 | while(err == 0) { | |
167 | if(fputc('T', fp) < 0 | |
168 | || urlencode(s, k.data, k.size) | |
169 | || fputc('\n', fp) < 0 | |
170 | || urlencode(s, d.data, d.size) | |
171 | || fputc('\n', fp) < 0) | |
172 | fatal(errno, "error writing to %s", tag); | |
173 | err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), | |
174 | DB_NEXT); | |
175 | } | |
176 | if(trackdb_closecursor(cursor)) { cursor = 0; goto fail; } | |
177 | cursor = 0; | |
178 | } | |
179 | ||
180 | if(searchdb) { | |
181 | cursor = trackdb_opencursor(trackdb_searchdb, tid); | |
182 | err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), | |
183 | DB_FIRST); | |
184 | while(err == 0) { | |
185 | if(fputc('S', fp) < 0 | |
186 | || urlencode(s, k.data, k.size) | |
187 | || fputc('\n', fp) < 0 | |
188 | || urlencode(s, d.data, d.size) | |
189 | || fputc('\n', fp) < 0) | |
190 | fatal(errno, "error writing to %s", tag); | |
191 | err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), | |
192 | DB_NEXT); | |
193 | } | |
194 | if(trackdb_closecursor(cursor)) { cursor = 0; goto fail; } cursor = 0; | |
195 | } | |
196 | ||
197 | if(fputs("E\n", fp) < 0) fatal(errno, "error writing to %s", tag); | |
198 | if(err == DB_LOCK_DEADLOCK) { | |
199 | error(0, "c->c_get: %s", db_strerror(err)); | |
200 | goto fail; | |
201 | } | |
202 | if(err && err != DB_NOTFOUND) | |
203 | fatal(0, "cursor->c_get: %s", db_strerror(err)); | |
204 | if(trackdb_closecursor(cursor)) { cursor = 0; goto fail; } | |
205 | break; | |
206 | fail: | |
207 | trackdb_closecursor(cursor); | |
208 | cursor = 0; | |
209 | info("aborting transaction and retrying dump"); | |
210 | trackdb_abort_transaction(tid); | |
211 | } | |
212 | trackdb_commit_transaction(tid); | |
213 | if(fflush(fp) < 0) fatal(errno, "error writing to %s", tag); | |
214 | /* caller might not be paranoid so we are paranoid on their behalf */ | |
215 | if(fsync(fileno(fp)) < 0) fatal(errno, "error syncing %s", tag); | |
216 | } | |
217 | ||
218 | /* delete all aliases prefs, return 0 or DB_LOCK_DEADLOCK */ | |
219 | static int remove_aliases(DB_TXN *tid, int remove_pathless) { | |
220 | DBC *cursor; | |
221 | int err; | |
222 | DBT k, d; | |
223 | struct kvp *data; | |
224 | int alias, pathless; | |
225 | ||
226 | info("removing aliases"); | |
227 | cursor = trackdb_opencursor(trackdb_tracksdb, tid); | |
228 | if((err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), | |
229 | DB_FIRST)) == DB_LOCK_DEADLOCK) { | |
230 | error(0, "cursor->c_get: %s", db_strerror(err)); | |
231 | goto done; | |
232 | } | |
233 | while(err == 0) { | |
234 | data = kvp_urldecode(d.data, d.size); | |
235 | alias = !!kvp_get(data, "_alias_for"); | |
236 | pathless = !kvp_get(data, "_path"); | |
237 | if(pathless && !remove_pathless) | |
238 | info("no _path for %s", utf82mb(xstrndup(k.data, k.size))); | |
239 | if(alias || (remove_pathless && pathless)) { | |
240 | switch(err = cursor->c_del(cursor, 0)) { | |
241 | case 0: break; | |
242 | case DB_LOCK_DEADLOCK: | |
243 | error(0, "cursor->c_get: %s", db_strerror(err)); | |
244 | goto done; | |
245 | default: | |
246 | fatal(0, "cursor->c_del: %s", db_strerror(err)); | |
247 | } | |
248 | } | |
249 | err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), DB_NEXT); | |
250 | } | |
251 | if(err == DB_LOCK_DEADLOCK) { | |
252 | error(0, "cursor operation: %s", db_strerror(err)); | |
253 | goto done; | |
254 | } | |
255 | if(err != DB_NOTFOUND) fatal(0, "cursor->c_get: %s", db_strerror(err)); | |
256 | err = 0; | |
257 | done: | |
258 | if(trackdb_closecursor(cursor) && !err) err = DB_LOCK_DEADLOCK; | |
259 | return err; | |
260 | } | |
261 | ||
262 | /* truncate (i.e. empty) a database, return 0 or DB_LOCK_DEADLOCK */ | |
263 | static int truncdb(DB_TXN *tid, DB *db) { | |
264 | int err; | |
265 | u_int32_t count; | |
266 | ||
267 | switch(err = db->truncate(db, tid, &count, 0)) { | |
268 | case 0: break; | |
269 | case DB_LOCK_DEADLOCK: | |
270 | error(0, "db->truncate: %s", db_strerror(err)); | |
271 | break; | |
272 | default: | |
273 | fatal(0, "db->truncate: %s", db_strerror(err)); | |
274 | } | |
275 | return err; | |
276 | } | |
277 | ||
278 | /* read a DBT from FP, return 0 on success or -1 on input error */ | |
279 | static int undump_dbt(FILE *fp, const char *tag, DBT *dbt) { | |
280 | char *s; | |
281 | struct dynstr d; | |
282 | ||
283 | if(inputline(tag, fp, &s, '\n')) return -1; | |
284 | dynstr_init(&d); | |
285 | if(urldecode(sink_dynstr(&d), s, strlen(s))) | |
286 | fatal(0, "invalid URL-encoded data in %s", tag); | |
287 | dbt->data = d.vec; | |
288 | dbt->size = d.nvec; | |
289 | return 0; | |
290 | } | |
291 | ||
292 | /* undump from FP, return 0 or DB_LOCK_DEADLOCK */ | |
293 | static int undump_from_fp(DB_TXN *tid, FILE *fp, const char *tag) { | |
294 | int err, c; | |
295 | DBT k, d; | |
f35e5800 RK |
296 | const char *which_name; |
297 | DB *which_db; | |
460b9539 | 298 | |
299 | info("undumping"); | |
300 | if(fseek(fp, 0, SEEK_SET) < 0) | |
301 | fatal(errno, "error calling fseek on %s", tag); | |
302 | if((err = truncdb(tid, trackdb_prefsdb))) return err; | |
fb1bc1f5 | 303 | if((err = truncdb(tid, trackdb_globaldb))) return err; |
460b9539 | 304 | if((err = truncdb(tid, trackdb_searchdb))) return err; |
fb1bc1f5 | 305 | if((err = truncdb(tid, trackdb_tagsdb))) return err; |
a745dd43 | 306 | if((err = truncdb(tid, trackdb_usersdb))) return err; |
460b9539 | 307 | c = getc(fp); |
308 | while(!ferror(fp) && !feof(fp)) { | |
309 | switch(c) { | |
310 | case 'V': | |
311 | c = getc(fp); | |
312 | if(c != '0') | |
313 | fatal(0, "unknown version '%c'", c); | |
314 | break; | |
315 | case 'E': | |
316 | return 0; | |
317 | case 'P': | |
f35e5800 | 318 | case 'G': |
a745dd43 RK |
319 | case 'U': |
320 | switch(c) { | |
321 | case 'P': | |
f35e5800 RK |
322 | which_db = trackdb_prefsdb; |
323 | which_name = "prefs.db"; | |
a745dd43 RK |
324 | break; |
325 | case 'G': | |
f35e5800 RK |
326 | which_db = trackdb_globaldb; |
327 | which_name = "global.db"; | |
a745dd43 RK |
328 | break; |
329 | case 'U': | |
330 | which_db = trackdb_usersdb; | |
331 | which_name = "users.db"; | |
332 | break; | |
333 | default: | |
334 | abort(); | |
f35e5800 | 335 | } |
460b9539 | 336 | if(undump_dbt(fp, tag, prepare_data(&k)) |
337 | || undump_dbt(fp, tag, prepare_data(&d))) | |
338 | break; | |
f35e5800 | 339 | switch(err = trackdb_prefsdb->put(which_db, tid, &k, &d, 0)) { |
460b9539 | 340 | case 0: |
341 | break; | |
342 | case DB_LOCK_DEADLOCK: | |
f35e5800 | 343 | error(0, "error updating %s: %s", which_name, db_strerror(err)); |
460b9539 | 344 | return err; |
345 | default: | |
f35e5800 | 346 | fatal(0, "error updating %s: %s", which_name, db_strerror(err)); |
460b9539 | 347 | } |
348 | break; | |
349 | case 'T': | |
350 | case 'S': | |
351 | if(undump_dbt(fp, tag, prepare_data(&k)) | |
352 | || undump_dbt(fp, tag, prepare_data(&d))) | |
353 | break; | |
354 | /* We don't restore the tracks.db or search.db entries, instead | |
355 | * we recompute them */ | |
356 | break; | |
357 | case '\n': | |
358 | break; | |
359 | } | |
360 | c = getc(fp); | |
361 | } | |
362 | if(ferror(fp)) | |
363 | fatal(errno, "error reading %s", tag); | |
364 | else | |
365 | fatal(0, "unexpected EOF reading %s", tag); | |
366 | return 0; | |
367 | } | |
368 | ||
369 | /* recompute aliases and search database from prefs, return 0 or | |
370 | * DB_LOCK_DEADLOCK */ | |
371 | static int recompute_aliases(DB_TXN *tid) { | |
372 | DBC *cursor; | |
373 | DBT k, d; | |
374 | int err; | |
375 | struct kvp *data; | |
376 | const char *path, *track; | |
377 | ||
378 | info("recomputing aliases"); | |
379 | cursor = trackdb_opencursor(trackdb_tracksdb, tid); | |
380 | if((err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), | |
381 | DB_FIRST)) == DB_LOCK_DEADLOCK) goto done; | |
382 | while(err == 0) { | |
383 | data = kvp_urldecode(d.data, d.size); | |
384 | track = xstrndup(k.data, k.size); | |
385 | if(!kvp_get(data, "_alias_for")) { | |
386 | if(!(path = kvp_get(data, "_path"))) | |
387 | error(0, "%s is not an alias but has no path", utf82mb(track)); | |
388 | else | |
389 | if((err = trackdb_notice_tid(track, path, tid)) == DB_LOCK_DEADLOCK) | |
390 | goto done; | |
391 | } | |
392 | err = cursor->c_get(cursor, prepare_data(&k), prepare_data(&d), | |
393 | DB_NEXT); | |
394 | } | |
395 | switch(err) { | |
396 | case 0: | |
397 | break; | |
398 | case DB_NOTFOUND: | |
399 | err = 0; | |
400 | break; | |
401 | case DB_LOCK_DEADLOCK: | |
402 | break; | |
403 | default: | |
404 | fatal(0, "cursor->c_get: %s", db_strerror(err)); | |
405 | } | |
406 | done: | |
407 | if(trackdb_closecursor(cursor) && !err) err = DB_LOCK_DEADLOCK; | |
408 | return err; | |
409 | } | |
410 | ||
411 | /* restore prefs from FP */ | |
412 | static void do_undump(FILE *fp, const char *tag, int remove_pathless) { | |
413 | DB_TXN *tid; | |
414 | ||
415 | for(;;) { | |
416 | tid = trackdb_begin_transaction(); | |
417 | if(remove_aliases(tid, remove_pathless) | |
418 | || undump_from_fp(tid, fp, tag) | |
419 | || recompute_aliases(tid)) goto fail; | |
420 | break; | |
421 | fail: | |
422 | info("aborting transaction and retrying undump"); | |
423 | trackdb_abort_transaction(tid); | |
424 | } | |
425 | info("committing undump"); | |
426 | trackdb_commit_transaction(tid); | |
427 | } | |
428 | ||
429 | /* just recompute alisaes */ | |
430 | static void do_recompute(int remove_pathless) { | |
431 | DB_TXN *tid; | |
432 | ||
433 | for(;;) { | |
434 | tid = trackdb_begin_transaction(); | |
435 | if(remove_aliases(tid, remove_pathless) | |
436 | || recompute_aliases(tid)) goto fail; | |
437 | break; | |
438 | fail: | |
439 | info("aborting transaction and retrying recomputation"); | |
440 | trackdb_abort_transaction(tid); | |
441 | } | |
442 | info("committing recomputed aliases"); | |
443 | trackdb_commit_transaction(tid); | |
444 | } | |
445 | ||
446 | int main(int argc, char **argv) { | |
447 | int n, dump = 0, undump = 0, recover = TRACKDB_NO_RECOVER, recompute = 0; | |
a745dd43 | 448 | int tracksdb = 0, searchdb = 0, remove_pathless = 0, fd; |
460b9539 | 449 | const char *path; |
450 | char *tmp; | |
451 | FILE *fp; | |
452 | ||
320598d4 | 453 | mem_init(); |
460b9539 | 454 | while((n = getopt_long(argc, argv, "hVc:dDutsrRaP", options, 0)) >= 0) { |
455 | switch(n) { | |
456 | case 'h': help(); | |
457 | case 'V': version(); | |
458 | case 'c': configfile = optarg; break; | |
459 | case 'd': dump = 1; break; | |
460 | case 'u': undump = 1; break; | |
461 | case 'D': debugging = 1; break; | |
462 | case 't': tracksdb = 1; break; | |
463 | case 's': searchdb = 1; break; | |
464 | case 'r': recover = TRACKDB_NORMAL_RECOVER; | |
465 | case 'R': recover = TRACKDB_FATAL_RECOVER; | |
466 | case 'a': recompute = 1; break; | |
467 | case 'P': remove_pathless = 1; break; | |
468 | default: fatal(0, "invalid option"); | |
469 | } | |
470 | } | |
471 | if(dump + undump + recompute != 1) | |
472 | fatal(0, "choose exactly one of --dump, --undump or --recompute-aliases"); | |
473 | if((undump || recompute) && (tracksdb || searchdb)) | |
474 | fatal(0, "--trackdb and --searchdb with --undump or --recompute-aliases"); | |
475 | if(recompute) { | |
476 | if(optind != argc) | |
477 | fatal(0, "--recompute-aliases does not take a filename"); | |
478 | path = 0; | |
479 | } else { | |
480 | if(optind >= argc) | |
481 | fatal(0, "missing dump file name"); | |
482 | if(optind + 1 < argc) | |
483 | fatal(0, "specify only a dump file name"); | |
484 | path = argv[optind]; | |
485 | } | |
c00fce3a | 486 | if(config_read(0)) fatal(0, "cannot read configuration"); |
a745dd43 | 487 | trackdb_init(recover|TRACKDB_MAY_CREATE); |
d25c4615 | 488 | trackdb_open(TRACKDB_NO_UPGRADE); |
460b9539 | 489 | if(dump) { |
a745dd43 RK |
490 | /* We write to a temporary file and rename into place. We make |
491 | * sure the permissions are tight from the start. */ | |
460b9539 | 492 | byte_xasprintf(&tmp, "%s.%lx.tmp", path, (unsigned long)getpid()); |
a745dd43 RK |
493 | if((fd = open(tmp, O_CREAT|O_TRUNC|O_WRONLY, 0600)) < 0) |
494 | fatal(errno, "error opening %s", tmp); | |
495 | if(!(fp = fdopen(fd, "w"))) | |
496 | fatal(errno, "fdopen on %s", tmp); | |
460b9539 | 497 | do_dump(fp, tmp, tracksdb, searchdb); |
498 | if(fclose(fp) < 0) fatal(errno, "error closing %s", tmp); | |
499 | if(rename(tmp, path) < 0) | |
500 | fatal(errno, "error renaming %s to %s", tmp, path); | |
501 | } else if(undump) { | |
502 | /* the databases or logfiles might end up with wrong permissions | |
503 | * if new ones are created */ | |
504 | if(getuid() == 0) info("you might need to chown database files"); | |
505 | if(!(fp = fopen(path, "r"))) fatal(errno, "error opening %s", path); | |
506 | do_undump(fp, path, remove_pathless); | |
507 | xfclose(fp); | |
508 | } else if(recompute) { | |
509 | do_recompute(remove_pathless); | |
510 | } | |
511 | trackdb_close(); | |
512 | trackdb_deinit(); | |
513 | return 0; | |
514 | } | |
515 | ||
516 | /* | |
517 | Local Variables: | |
518 | c-basic-offset:2 | |
519 | comment-column:40 | |
520 | End: | |
521 | */ |