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460b9539 | 1 | /* |
2 | * This file is part of DisOrder. | |
5c102112 | 3 | * Copyright (C) 2006-2008 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 | */ | |
0e4472a0 | 20 | /** @file lib/eclient.h |
21 | * @brief Client code for event-driven programs | |
22 | */ | |
460b9539 | 23 | |
24 | #ifndef ECLIENT_H | |
25 | #define ECLIENT_H | |
26 | ||
ad492e00 RK |
27 | #include "rights.h" |
28 | ||
5626f6d2 | 29 | /* Asynchronous client interface */ |
460b9539 | 30 | |
0e4472a0 | 31 | /** @brief Handle type */ |
460b9539 | 32 | typedef struct disorder_eclient disorder_eclient; |
33 | ||
34 | struct queue_entry; | |
35 | ||
0e4472a0 | 36 | /** @brief Set to read from the FD */ |
37 | #define DISORDER_POLL_READ 1u | |
38 | ||
39 | /** @brief Set to write to the FD */ | |
40 | #define DISORDER_POLL_WRITE 2u | |
460b9539 | 41 | |
0e4472a0 | 42 | /** @brief Callbacks for all clients |
43 | * | |
44 | * These must all be valid. | |
45 | */ | |
460b9539 | 46 | typedef struct disorder_eclient_callbacks { |
1f3ce240 | 47 | /** @brief Called when a communication error occurs. |
0e4472a0 | 48 | * @param u from disorder_eclient_new() |
49 | * @param msg error message | |
1f3ce240 RK |
50 | * |
51 | * This might be called at any time, and indicates a low-level error, | |
52 | * e.g. connection refused by the server. It does not mean that any requests | |
53 | * made of the owning eclient will not be fulfilled at some point. | |
0e4472a0 | 54 | */ |
460b9539 | 55 | void (*comms_error)(void *u, const char *msg); |
460b9539 | 56 | |
0e4472a0 | 57 | /** @brief Called when a command fails (including initial authorization). |
58 | * @param u from disorder_eclient_new() | |
59 | * @param v from failed command, or NULL if during setup | |
60 | * @param msg error message | |
1f3ce240 RK |
61 | * |
62 | * This call is obsolete at least in its current form, in which it is used to | |
63 | * report most errors from most requests. Ultimately requests-specific | |
64 | * errors will be reported in a request-specific way rather than via this | |
65 | * generic callback. | |
0e4472a0 | 66 | */ |
460b9539 | 67 | void (*protocol_error)(void *u, void *v, int code, const char *msg); |
0e4472a0 | 68 | |
69 | /** @brief Set poll/select flags | |
70 | * @param u from disorder_eclient_new() | |
71 | * @param c handle | |
72 | * @param fd file descriptor | |
73 | * @param mode bitmap (@ref DISORDER_POLL_READ and/or @ref DISORDER_POLL_WRITE) | |
74 | * | |
75 | * Before @p fd is closed you will always get a call with @p mode = 0. | |
76 | */ | |
460b9539 | 77 | void (*poll)(void *u, disorder_eclient *c, int fd, unsigned mode); |
460b9539 | 78 | |
0e4472a0 | 79 | /** @brief Report current activity |
80 | * @param u from disorder_eclient_new() | |
81 | * @param msg Current activity or NULL | |
82 | * | |
83 | * Called with @p msg = NULL when there's nothing going on. | |
84 | */ | |
460b9539 | 85 | void (*report)(void *u, const char *msg); |
460b9539 | 86 | } disorder_eclient_callbacks; |
87 | ||
0e4472a0 | 88 | /** @brief Callbacks for log clients |
89 | * | |
90 | * All of these are allowed to be a null pointers in which case you don't get | |
91 | * told about that log event. | |
92 | * | |
93 | * See disorder_protocol(5) for full documentation. | |
94 | */ | |
460b9539 | 95 | typedef struct disorder_eclient_log_callbacks { |
0e4472a0 | 96 | /** @brief Called on (re-)connection */ |
460b9539 | 97 | void (*connected)(void *v); |
58d2aad2 RK |
98 | |
99 | /** @brief Called when @p track finished playing successfully */ | |
460b9539 | 100 | void (*completed)(void *v, const char *track); |
58d2aad2 RK |
101 | |
102 | /** @brief Called when @p track fails for some reason */ | |
460b9539 | 103 | void (*failed)(void *v, const char *track, const char *status); |
58d2aad2 RK |
104 | |
105 | /** @brief Called when @p user moves some track or tracks in the queue | |
106 | * | |
107 | * Fetch the queue again to find out what the new order is - the | |
108 | * rearrangement could in principle be arbitrarily complicated. | |
109 | */ | |
460b9539 | 110 | void (*moved)(void *v, const char *user); |
58d2aad2 RK |
111 | |
112 | /** @brief Called when @p track starts playing | |
113 | * | |
114 | * @p user might be 0. | |
115 | */ | |
460b9539 | 116 | void (*playing)(void *v, const char *track, const char *user/*maybe 0*/); |
58d2aad2 RK |
117 | |
118 | /** @brief Called when @p q is added to the queue | |
119 | * | |
120 | * Fetch the queue again to find out where the in the queue it was added. | |
121 | */ | |
460b9539 | 122 | void (*queue)(void *v, struct queue_entry *q); |
58d2aad2 RK |
123 | |
124 | /** @brief Called when @p q is added to the recent list */ | |
460b9539 | 125 | void (*recent_added)(void *v, struct queue_entry *q); |
58d2aad2 RK |
126 | |
127 | /** @brief Called when @p id is removed from the recent list */ | |
460b9539 | 128 | void (*recent_removed)(void *v, const char *id); |
58d2aad2 RK |
129 | |
130 | /** @brief Called when @id is removed from the queue | |
131 | * | |
132 | * @p user might be 0. | |
133 | */ | |
460b9539 | 134 | void (*removed)(void *v, const char *id, const char *user/*maybe 0*/); |
58d2aad2 RK |
135 | |
136 | /** @brief Called when @p track is scratched */ | |
460b9539 | 137 | void (*scratched)(void *v, const char *track, const char *user); |
58d2aad2 RK |
138 | |
139 | /** @brief Called with the current state whenever it changes | |
140 | * | |
141 | * State bits are: | |
142 | * - @ref DISORDER_PLAYING_ENABLED | |
143 | * - @ref DISORDER_RANDOM_ENABLED | |
144 | * - @ref DISORDER_TRACK_PAUSED | |
145 | * - @ref DISORDER_PLAYING | |
146 | * - @ref DISORDER_CONNECTED | |
147 | */ | |
460b9539 | 148 | void (*state)(void *v, unsigned long state); |
58d2aad2 RK |
149 | |
150 | /** @brief Called when the volume changes */ | |
460b9539 | 151 | void (*volume)(void *v, int left, int right); |
58d2aad2 RK |
152 | |
153 | /** @brief Called when a rescan completes */ | |
e025abff | 154 | void (*rescanned)(void *v); |
58d2aad2 RK |
155 | |
156 | /** @brief Called when a user is created (admins only) */ | |
157 | void (*user_add)(void *v, const char *user); | |
158 | ||
159 | /** @brief Called when a user is confirmed (admins only) */ | |
160 | void (*user_confirm)(void *v, const char *user); | |
161 | ||
162 | /** @brief Called when a user is deleted (admins only) */ | |
163 | void (*user_delete)(void *v, const char *user); | |
164 | ||
165 | /** @brief Called when a user is edited (admins only) */ | |
166 | void (*user_edit)(void *v, const char *user, const char *property); | |
ad492e00 RK |
167 | |
168 | /** @brief Called when your rights change */ | |
169 | void (*rights_changed)(void *v, rights_type new_rights); | |
5c102112 RK |
170 | |
171 | /** @brief Called when a new playlist is created */ | |
172 | void (*playlist_created)(void *v, const char *playlist, const char *sharing); | |
173 | ||
174 | /** @brief Called when a playlist is modified */ | |
175 | void (*playlist_modified)(void *v, const char *playlist, const char *sharing); | |
176 | ||
177 | /** @brief Called when a new playlist is deleted */ | |
178 | void (*playlist_deleted)(void *v, const char *playlist); | |
460b9539 | 179 | } disorder_eclient_log_callbacks; |
180 | ||
181 | /* State bits */ | |
0e4472a0 | 182 | |
183 | /** @brief Play is enabled */ | |
184 | #define DISORDER_PLAYING_ENABLED 0x00000001 | |
185 | ||
186 | /** @brief Random play is enabled */ | |
187 | #define DISORDER_RANDOM_ENABLED 0x00000002 | |
188 | ||
8f763f1b RK |
189 | /** @brief Track is paused |
190 | * | |
191 | * This is only meaningful if @ref DISORDER_PLAYING is set | |
192 | */ | |
0e4472a0 | 193 | #define DISORDER_TRACK_PAUSED 0x00000004 |
460b9539 | 194 | |
8f763f1b RK |
195 | /** @brief Track is playing |
196 | * | |
197 | * This can be set even if the current track is paused (in which case @ref | |
198 | * DISORDER_TRACK_PAUSED) will also be set. | |
199 | */ | |
200 | #define DISORDER_PLAYING 0x00000008 | |
201 | ||
202 | /** @brief Connected to server | |
203 | * | |
204 | * By connected it is meant that commands have a reasonable chance of being | |
205 | * processed soon, not merely that a TCP connection exists - for instance if | |
206 | * the client is still authenticating then that does not count as connected. | |
207 | */ | |
208 | #define DISORDER_CONNECTED 0x00000010 | |
209 | ||
00959300 RK |
210 | char *disorder_eclient_interpret_state(unsigned long statebits); |
211 | ||
460b9539 | 212 | struct queue_entry; |
213 | struct kvp; | |
214 | struct sink; | |
215 | ||
216 | /* Completion callbacks. These provide the result of operations to the caller. | |
699517af | 217 | * Unlike in earlier releases, these are not allowed to be NULL. */ |
460b9539 | 218 | |
53fa91bb RK |
219 | /** @brief Trivial completion callback |
220 | * @param v User data | |
e2717131 | 221 | * @param err Error string or NULL on succes |
53fa91bb RK |
222 | */ |
223 | typedef void disorder_eclient_no_response(void *v, | |
e2717131 | 224 | const char *err); |
460b9539 | 225 | |
1bd1b63c RK |
226 | /** @brief String result completion callback |
227 | * @param v User data | |
e2717131 | 228 | * @param err Error string or NULL on succes |
658c8a35 | 229 | * @param value Result or NULL |
1bd1b63c | 230 | * |
06bfbba4 RK |
231 | * @p error will be NULL on success. In this case @p value will be the result |
232 | * (which might be NULL for disorder_eclient_get(), | |
53740beb RK |
233 | * disorder_eclient_get_global(), disorder_eclient_userinfo() and |
234 | * disorder_eclient_playlist_get_share()). | |
06bfbba4 RK |
235 | * |
236 | * @p error will be non-NULL on failure. In this case @p value is always NULL. | |
1bd1b63c | 237 | */ |
06bfbba4 | 238 | typedef void disorder_eclient_string_response(void *v, |
e2717131 | 239 | const char *err, |
06bfbba4 | 240 | const char *value); |
460b9539 | 241 | |
658c8a35 RK |
242 | /** @brief String result completion callback |
243 | * @param v User data | |
e2717131 | 244 | * @param err Error string or NULL on succes |
658c8a35 RK |
245 | * @param value Result or 0 |
246 | * | |
247 | * @p error will be NULL on success. In this case @p value will be the result. | |
248 | * | |
249 | * @p error will be non-NULL on failure. In this case @p value is always 0. | |
250 | */ | |
251 | typedef void disorder_eclient_integer_response(void *v, | |
e2717131 | 252 | const char *err, |
658c8a35 | 253 | long value); |
699517af RK |
254 | /** @brief Volume completion callback |
255 | * @param v User data | |
e2717131 | 256 | * @param err Error string or NULL on success |
699517af RK |
257 | * @param l Left channel volume |
258 | * @param r Right channel volume | |
259 | * | |
260 | * @p error will be NULL on success. In this case @p l and @p r will be the | |
261 | * result. | |
262 | * | |
263 | * @p error will be non-NULL on failure. In this case @p l and @p r are always | |
264 | * 0. | |
265 | */ | |
266 | typedef void disorder_eclient_volume_response(void *v, | |
e2717131 | 267 | const char *err, |
699517af | 268 | int l, int r); |
460b9539 | 269 | |
3035257f RK |
270 | /** @brief Queue request completion callback |
271 | * @param v User data | |
e2717131 | 272 | * @param err Error string or NULL on success |
3035257f RK |
273 | * @param q Head of queue data list |
274 | * | |
4190a4d9 RK |
275 | * @p error will be NULL on success. In this case @p q will be the (head of |
276 | * the) result. | |
3035257f RK |
277 | * |
278 | * @p error will be non-NULL on failure. In this case @p q may be NULL but | |
279 | * MIGHT also be some subset of the queue. For consistent behavior it should | |
280 | * be ignored in the error case. | |
281 | */ | |
282 | typedef void disorder_eclient_queue_response(void *v, | |
e2717131 | 283 | const char *err, |
3035257f | 284 | struct queue_entry *q); |
460b9539 | 285 | |
4190a4d9 RK |
286 | /** @brief List request completion callback |
287 | * @param v User data | |
e2717131 | 288 | * @param err Error string or NULL on success |
4190a4d9 RK |
289 | * @param nvec Number of elements in response list |
290 | * @param vec Pointer to response list | |
291 | * | |
292 | * @p error will be NULL on success. In this case @p nvec and @p vec will give | |
53740beb RK |
293 | * the result, or be -1 and NULL respectively e.g. from |
294 | * disorder_eclient_playlist_get() if there is no such playlist. | |
4190a4d9 RK |
295 | * |
296 | * @p error will be non-NULL on failure. In this case @p nvec and @p vec will | |
297 | * be 0 and NULL. | |
298 | */ | |
299 | typedef void disorder_eclient_list_response(void *v, | |
e2717131 | 300 | const char *err, |
4190a4d9 | 301 | int nvec, char **vec); |
460b9539 | 302 | |
303 | disorder_eclient *disorder_eclient_new(const disorder_eclient_callbacks *cb, | |
304 | void *u); | |
305 | /* Create a new client */ | |
306 | ||
307 | void disorder_eclient_close(disorder_eclient *c); | |
308 | /* Close C */ | |
309 | ||
8f763f1b | 310 | unsigned long disorder_eclient_state(const disorder_eclient *c); |
ad58ebcc | 311 | |
460b9539 | 312 | void disorder_eclient_polled(disorder_eclient *c, unsigned mode); |
313 | /* Should be called when c's FD is readable and/or writable, and in any case | |
314 | * from time to time (so that retries work). */ | |
315 | ||
316 | int disorder_eclient_version(disorder_eclient *c, | |
317 | disorder_eclient_string_response *completed, | |
318 | void *v); | |
319 | /* fetch the server version */ | |
320 | ||
321 | int disorder_eclient_play(disorder_eclient *c, | |
322 | const char *track, | |
323 | disorder_eclient_no_response *completed, | |
324 | void *v); | |
325 | /* add a track to the queue */ | |
326 | ||
327 | int disorder_eclient_pause(disorder_eclient *c, | |
328 | disorder_eclient_no_response *completed, | |
329 | void *v); | |
330 | /* add a track to the queue */ | |
331 | ||
332 | int disorder_eclient_resume(disorder_eclient *c, | |
333 | disorder_eclient_no_response *completed, | |
334 | void *v); | |
335 | /* add a track to the queue */ | |
336 | ||
337 | int disorder_eclient_scratch(disorder_eclient *c, | |
338 | const char *id, | |
339 | disorder_eclient_no_response *completed, | |
340 | void *v); | |
341 | /* scratch a track by ID */ | |
342 | ||
343 | int disorder_eclient_scratch_playing(disorder_eclient *c, | |
344 | disorder_eclient_no_response *completed, | |
345 | void *v); | |
346 | /* scratch the playing track whatever it is */ | |
347 | ||
348 | int disorder_eclient_remove(disorder_eclient *c, | |
349 | const char *id, | |
350 | disorder_eclient_no_response *completed, | |
351 | void *v); | |
352 | /* remove a track from the queue */ | |
353 | ||
354 | int disorder_eclient_moveafter(disorder_eclient *c, | |
355 | const char *target, | |
356 | int nids, | |
357 | const char **ids, | |
358 | disorder_eclient_no_response *completed, | |
359 | void *v); | |
360 | /* move tracks within the queue */ | |
361 | ||
362 | int disorder_eclient_playing(disorder_eclient *c, | |
363 | disorder_eclient_queue_response *completed, | |
364 | void *v); | |
365 | /* find the currently playing track (0 for none) */ | |
366 | ||
367 | int disorder_eclient_queue(disorder_eclient *c, | |
368 | disorder_eclient_queue_response *completed, | |
369 | void *v); | |
370 | /* list recently played tracks */ | |
371 | ||
372 | int disorder_eclient_recent(disorder_eclient *c, | |
373 | disorder_eclient_queue_response *completed, | |
374 | void *v); | |
375 | /* list recently played tracks */ | |
376 | ||
377 | int disorder_eclient_files(disorder_eclient *c, | |
378 | disorder_eclient_list_response *completed, | |
379 | const char *dir, | |
380 | const char *re, | |
381 | void *v); | |
382 | /* list files in a directory, matching RE if not a null pointer */ | |
383 | ||
384 | int disorder_eclient_dirs(disorder_eclient *c, | |
385 | disorder_eclient_list_response *completed, | |
386 | const char *dir, | |
387 | const char *re, | |
388 | void *v); | |
389 | /* list directories in a directory, matching RE if not a null pointer */ | |
390 | ||
391 | int disorder_eclient_namepart(disorder_eclient *c, | |
392 | disorder_eclient_string_response *completed, | |
393 | const char *track, | |
394 | const char *context, | |
395 | const char *part, | |
396 | void *v); | |
397 | /* look up a track name part */ | |
398 | ||
399 | int disorder_eclient_length(disorder_eclient *c, | |
400 | disorder_eclient_integer_response *completed, | |
401 | const char *track, | |
402 | void *v); | |
403 | /* look up a track name length */ | |
404 | ||
405 | int disorder_eclient_volume(disorder_eclient *c, | |
406 | disorder_eclient_volume_response *callback, | |
407 | int l, int r, | |
408 | void *v); | |
409 | /* If L and R are both -ve gets the volume. | |
410 | * If neither are -ve then sets the volume. | |
411 | * Otherwise asserts! | |
412 | */ | |
413 | ||
414 | int disorder_eclient_enable(disorder_eclient *c, | |
415 | disorder_eclient_no_response *callback, | |
416 | void *v); | |
417 | int disorder_eclient_disable(disorder_eclient *c, | |
418 | disorder_eclient_no_response *callback, | |
419 | void *v); | |
420 | int disorder_eclient_random_enable(disorder_eclient *c, | |
421 | disorder_eclient_no_response *callback, | |
422 | void *v); | |
423 | int disorder_eclient_random_disable(disorder_eclient *c, | |
424 | disorder_eclient_no_response *callback, | |
425 | void *v); | |
426 | /* Enable/disable play/random play */ | |
427 | ||
428 | int disorder_eclient_resolve(disorder_eclient *c, | |
429 | disorder_eclient_string_response *completed, | |
430 | const char *track, | |
431 | void *v); | |
432 | /* Resolve aliases */ | |
433 | ||
434 | int disorder_eclient_log(disorder_eclient *c, | |
435 | const disorder_eclient_log_callbacks *callbacks, | |
436 | void *v); | |
437 | /* Make this a log client (forever - it automatically becomes one again upon | |
438 | * reconnection) */ | |
439 | ||
440 | int disorder_eclient_get(disorder_eclient *c, | |
441 | disorder_eclient_string_response *completed, | |
442 | const char *track, const char *pref, | |
443 | void *v); | |
444 | int disorder_eclient_set(disorder_eclient *c, | |
445 | disorder_eclient_no_response *completed, | |
446 | const char *track, const char *pref, | |
447 | const char *value, | |
448 | void *v); | |
449 | int disorder_eclient_unset(disorder_eclient *c, | |
450 | disorder_eclient_no_response *completed, | |
451 | const char *track, const char *pref, | |
452 | void *v); | |
453 | /* Get/set preference values */ | |
454 | ||
455 | int disorder_eclient_search(disorder_eclient *c, | |
456 | disorder_eclient_list_response *completed, | |
457 | const char *terms, | |
458 | void *v); | |
459 | ||
7858930d | 460 | int disorder_eclient_nop(disorder_eclient *c, |
461 | disorder_eclient_no_response *completed, | |
462 | void *v); | |
463 | ||
2a10b70b RK |
464 | int disorder_eclient_new_tracks(disorder_eclient *c, |
465 | disorder_eclient_list_response *completed, | |
466 | int max, | |
467 | void *v); | |
a99c4e9a RK |
468 | |
469 | int disorder_eclient_rtp_address(disorder_eclient *c, | |
470 | disorder_eclient_list_response *completed, | |
471 | void *v); | |
472 | ||
ffc4dbaf RK |
473 | int disorder_eclient_users(disorder_eclient *c, |
474 | disorder_eclient_list_response *completed, | |
475 | void *v); | |
4aa8a0a4 RK |
476 | int disorder_eclient_deluser(disorder_eclient *c, |
477 | disorder_eclient_no_response *completed, | |
478 | const char *user, | |
479 | void *v); | |
e61aef23 RK |
480 | int disorder_eclient_userinfo(disorder_eclient *c, |
481 | disorder_eclient_string_response *completed, | |
482 | const char *user, | |
483 | const char *property, | |
484 | void *v); | |
485 | int disorder_eclient_edituser(disorder_eclient *c, | |
486 | disorder_eclient_no_response *completed, | |
487 | const char *user, | |
488 | const char *property, | |
489 | const char *value, | |
490 | void *v); | |
0d719587 RK |
491 | int disorder_eclient_adduser(disorder_eclient *c, |
492 | disorder_eclient_no_response *completed, | |
493 | const char *user, | |
494 | const char *password, | |
495 | const char *rights, | |
496 | void *v); | |
68210888 RK |
497 | void disorder_eclient_enable_connect(disorder_eclient *c); |
498 | void disorder_eclient_disable_connect(disorder_eclient *c); | |
53740beb RK |
499 | int disorder_eclient_playlists(disorder_eclient *c, |
500 | disorder_eclient_list_response *completed, | |
501 | void *v); | |
502 | int disorder_eclient_playlist_delete(disorder_eclient *c, | |
503 | disorder_eclient_no_response *completed, | |
504 | const char *playlist, | |
505 | void *v); | |
506 | int disorder_eclient_playlist_lock(disorder_eclient *c, | |
507 | disorder_eclient_no_response *completed, | |
508 | const char *playlist, | |
509 | void *v); | |
510 | int disorder_eclient_playlist_unlock(disorder_eclient *c, | |
511 | disorder_eclient_no_response *completed, | |
512 | void *v); | |
513 | int disorder_eclient_playlist_set_share(disorder_eclient *c, | |
514 | disorder_eclient_no_response *completed, | |
515 | const char *playlist, | |
516 | const char *sharing, | |
517 | void *v); | |
518 | int disorder_eclient_playlist_get_share(disorder_eclient *c, | |
519 | disorder_eclient_string_response *completed, | |
520 | const char *playlist, | |
521 | void *v); | |
522 | int disorder_eclient_playlist_set(disorder_eclient *c, | |
523 | disorder_eclient_no_response *completed, | |
524 | const char *playlist, | |
525 | char **tracks, | |
526 | int ntracks, | |
527 | void *v); | |
528 | int disorder_eclient_playlist_get(disorder_eclient *c, | |
529 | disorder_eclient_list_response *completed, | |
530 | const char *playlist, | |
531 | void *v); | |
532 | ||
460b9539 | 533 | #endif |
534 | ||
535 | /* | |
536 | Local Variables: | |
537 | c-basic-offset:2 | |
538 | comment-column:40 | |
539 | fill-column:79 | |
540 | indent-tabs-mode:nil | |
541 | End: | |
542 | */ |