Only declare error codes that are safe to use.
[paraslash.git] / error.h
1 /*
2 * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.org>
3 *
4 * Licensed under the GPL v2. For licencing details see COPYING.
5 */
6
7 /** \file error.h list of error messages for all subsystems */
8
9 /** \cond */
10
11 /* list of all subsystems that use paraslash's error facility */
12 DEFINE_ERRLIST_OBJECT_ENUM;
13
14 /* these do not need error handling (yet) */
15 #define SERVER_ERRORS
16 #define CLIENT_ERRORS
17 #define WAV_ERRORS
18 #define COMPRESS_ERRORS
19 #define TIME_ERRORS
20 #define CLOSE_ON_FORK_ERRORS
21 #define DAEMON_ERRORS
22 #define ORTP_SEND_ERRORS
23 #define GUI_ERRORS
24 #define RINGBUFFER_ERRORS
25 #define SCORE_ERRORS
26 #define SHA1_ERRORS
27 #define RECV_ERRORS
28
29 extern const char **para_errlist[];
30
31 #define FSCK_ERRORS \
32 PARA_ERROR(FSCK_SYNTAX, "fsck syntax error"), \
33 PARA_ERROR(RANGE_VIOLATION, "range violation detected, very bad"), \
34 PARA_ERROR(NOT_A_REGULAR_FILE, "not a regular file"), \
35
36
37 #define OSL_ERRORS \
38 PARA_ERROR(BAD_DB_DIR, "invalid database directory"), \
39 PARA_ERROR(NO_COLUMN_DESC, "missing column description"), \
40 PARA_ERROR(BAD_NAME, "invalid name for a column/table"), \
41 PARA_ERROR(BAD_STORAGE_TYPE, "invalid storage type"), \
42 PARA_ERROR(BAD_STORAGE_FLAGS, "invalid storage flags"), \
43 PARA_ERROR(NO_COLUMN_NAME, "missing column name"), \
44 PARA_ERROR(NO_COLUMNS, "at least one column required"), \
45 PARA_ERROR(BAD_COLUMN_NAME, "invalid name for a table column"), \
46 PARA_ERROR(NO_UNIQUE_RBTREE_COLUMN, "need at least one mapped column with OSL_UNIQE and OSL_RBTREE OSL"), \
47 PARA_ERROR(NO_RBTREE_COL, "at least one column needs an rbtree"), \
48 PARA_ERROR(DUPLICATE_COL_NAME, "column name given twice"), \
49 PARA_ERROR(BAD_STORAGE_SIZE, "invalid storage size"), \
50 PARA_ERROR(NO_COMPARE_FUNC, "missing compare function"), \
51 PARA_ERROR(BAD_DATA_SIZE, "wrong data size for fixed-size column"), \
52 PARA_ERROR(NOT_MAPPED, "file not mapped"), \
53 PARA_ERROR(ALREADY_MAPPED, "file already mapped"), \
54 PARA_ERROR(BAD_SIZE, "invalid size specified"), \
55 PARA_ERROR(TRUNC, "failed to truncate file"), \
56 PARA_ERROR(UNLINK, "failed to remove file"), \
57 PARA_ERROR(BAD_TABLE, "table not open"), \
58 PARA_ERROR(BAD_TABLE_DESC, "invalid table description"), \
59 PARA_ERROR(RB_KEY_EXISTS, "key already exists in rbtree"), \
60 PARA_ERROR(RB_KEY_NOT_FOUND, "key not found in rbtree"), \
61 PARA_ERROR(BAD_ROW_NUM, "invalid row number"), \
62 PARA_ERROR(INDEX_CORRUPTION, "index corruption detected"), \
63 PARA_ERROR(INVALID_OBJECT, "reference to invalid object"), \
64 PARA_ERROR(STAT, "can not stat file"), \
65 PARA_ERROR(FSTAT, "fstat error"), \
66 PARA_ERROR(RENAME, "rename failed"), \
67 PARA_ERROR(EMPTY, "file empty"), \
68 PARA_ERROR(MMAP, "mmap error"), \
69 PARA_ERROR(MUNMAP, "munmap failed"), \
70 PARA_ERROR(WRITE, "write error"), \
71 PARA_ERROR(LSEEK, "lseek error"), \
72 PARA_ERROR(BUSY, "table is busy"), \
73 PARA_ERROR(SHORT_TABLE, "table too short"), \
74 PARA_ERROR(NO_MAGIC, "missing table header magic"), \
75 PARA_ERROR(VERSION_MISMATCH, "table version not suppoerted"), \
76 PARA_ERROR(BAD_COLUMN_NUM, "invalid column number"), \
77 PARA_ERROR(BAD_TABLE_FLAGS, "invalid flags in table description"), \
78 PARA_ERROR(BAD_ROW, "invalid row"), \
79
80
81 #define RBTREE_ERRORS \
82
83
84 #define AFS_ERRORS \
85 PARA_ERROR(BAD_TABLE_NAME, "invalid table"), \
86 PARA_ERROR(INPUT_TOO_LARGE, "input too large for stdin command"), \
87 PARA_ERROR(READ, "read error"), \
88 PARA_ERROR(AFS_SYNTAX, "afs syntax error"), \
89 PARA_ERROR(AFS_SIGNAL, "afs caught deadly signal"), \
90
91
92 #define MOOD_ERRORS \
93 PARA_ERROR(MOOD_SYNTAX, "mood syntax error"), \
94 PARA_ERROR(MOOD_REGEX, "invalid regular expression"), \
95 PARA_ERROR(NO_MOOD, "no mood available"), \
96 PARA_ERROR(MOOD_LOADED, "mood loaded"), \
97 PARA_ERROR(MOOD_BUSY, "mood is in use"), \
98 PARA_ERROR(NOT_ADMISSIBLE, "file is not admussible"), \
99
100
101 #define ATTRIBUTE_ERRORS \
102 PARA_ERROR(ATTR_SYNTAX, "attribute syntax error"), \
103 PARA_ERROR(ATTR_EXISTS, "attribute already exists"), \
104 PARA_ERROR(ATTR_TABLE_FULL, "attribute table full"), \
105 PARA_ERROR(NO_ATTRIBUTES, "no attributes defined yet"), \
106
107 #define BLOB_ERRORS \
108 PARA_ERROR(BLOB_SYNTAX, "blob syntax error"), \
109 PARA_ERROR(DUMMY_ROW, "attempted to access blob dummy object"), \
110
111
112 #define PLAYLIST_ERRORS \
113 PARA_ERROR(PLAYLIST_SYNTAX, "playlist syntax error"), \
114 PARA_ERROR(NO_PLAYLIST, "no valid playlist found"), \
115 PARA_ERROR(PLAYLIST_LOADED, ""), /* not really an error */ \
116 PARA_ERROR(PLAYLIST_EMPTY, "attempted to load empty playlist"), \
117
118
119 #define AFT_ERRORS \
120 PARA_ERROR(BAD_AFSI, "invaid afs info"), \
121 PARA_ERROR(LOCALTIME, "localtime() failed"), \
122 PARA_ERROR(STRFTIME, "strftime() failed"), \
123 PARA_ERROR(BAD_PATH, "invalid path"), \
124 PARA_ERROR(BAD_SORT, "invalid sorting method"), \
125 PARA_ERROR(FNMATCH, "fnmatch error"), \
126 PARA_ERROR(NO_MATCH, "no matches"), \
127 PARA_ERROR(NO_AFHI, "audio format handler info required"), \
128 PARA_ERROR(AFT_SYNTAX, "audio file table syntax error"), \
129 PARA_ERROR(HASH_MISMATCH, "hash mismatch, consider re-add"), \
130
131
132 #define USER_LIST_ERRORS \
133 PARA_ERROR(USERLIST, "failed to open user list file"), \
134
135
136 #define OSX_WRITE_ERRORS \
137 PARA_ERROR(STREAM_FORMAT, "could not set stream format"), \
138 PARA_ERROR(ADD_CALLBACK, "can not add callback"), \
139 PARA_ERROR(OPEN_COMP, "OpenAComponent() error"), \
140 PARA_ERROR(UNIT_INIT, "AudioUnitInitialize() error"), \
141 PARA_ERROR(UNIT_START, "AudioUnitStart() error"), \
142 PARA_ERROR(DEFAULT_COMP, "can not find default audio output component"), \
143
144
145 #define AUDIOC_ERRORS \
146 PARA_ERROR(AUDIOC_SYNTAX, "audioc syntax error"), \
147 PARA_ERROR(AUDIOC_READ, "audioc read error"), \
148 PARA_ERROR(AUDIOC_WRITE, "audioc write error"), \
149 PARA_ERROR(INIT_SOCK_ADDR, "can not init socket"), \
150 PARA_ERROR(AUDIOC_CONNECT, "audioc connect error"), \
151 PARA_ERROR(AUDIOC_OVERRUN, "audioc buffer overrun"), \
152
153
154
155 #define CLIENT_COMMON_ERRORS \
156 PARA_ERROR(CLIENT_SYNTAX, "syntax error"), \
157 PARA_ERROR(INVALID_CHALLENGE, "did not receive valid challenge"), \
158 PARA_ERROR(NO_CONFIG, "config file not found"), \
159 PARA_ERROR(CLIENT_AUTH, "authentication failed"), \
160 PARA_ERROR(SERVER_EOF, "connection closed by para_server"), \
161 PARA_ERROR(INPUT_EOF, "end of input"), \
162 PARA_ERROR(HANDSHAKE_COMPLETE, ""), /* not really an error */ \
163
164
165 #define SCHED_ERRORS \
166 PARA_ERROR(TASK_KILLED, "task killed"), \
167 PARA_ERROR(NO_SUCH_TASK, "task not found"), \
168 PARA_ERROR(NOT_INITIALIZED, "scheduler not yet initialized"), \
169
170
171 #define STDIN_ERRORS \
172 PARA_ERROR(STDIN_READ, "failed to read from stdin"), \
173 PARA_ERROR(STDIN_EOF, "end of file"), \
174
175
176 #define STDOUT_ERRORS \
177 PARA_ERROR(STDOUT_WRITE, "failed to write to stdout"), \
178 PARA_ERROR(STDOUT_EOF, "end of file"), \
179
180
181 #define NET_ERRORS \
182 PARA_ERROR(SEND, "send error"), \
183 PARA_ERROR(RECV, "receive error"), \
184 PARA_ERROR(SOCKET, "socket error"), \
185 PARA_ERROR(CONNECT, "connect error"), \
186 PARA_ERROR(ACCEPT, "accept error"), \
187 PARA_ERROR(SETSOCKOPT, "failed to set socket options"), \
188 PARA_ERROR(BIND, "bind error"), \
189 PARA_ERROR(NAME_TOO_LONG, "name too long for struct sockaddr_un"), \
190 PARA_ERROR(CHMOD, "failed to set socket mode"), \
191 PARA_ERROR(SENDMSG, "sendmsg() failed"), \
192 PARA_ERROR(RECVMSG, "recvmsg() failed"), \
193 PARA_ERROR(SCM_CREDENTIALS, "did not receive SCM credentials"), \
194 PARA_ERROR(LISTEN, "listen error"), \
195 PARA_ERROR(RECV_PATTERN, "did not receive expected pattern"), \
196 PARA_ERROR(HOST_INFO, "gethostbyname() failed"), \
197
198
199 #define ORTP_RECV_ERRORS \
200 PARA_ERROR(MSG_TO_BUF, "failed to extract rtp packet"), \
201 PARA_ERROR(ORTP_SYNTAX, "ottp syntax error"), \
202 PARA_ERROR(TOO_MANY_BAD_CHUNKS, "too many consecutive bad chunks"), \
203 PARA_ERROR(INVALID_HEADER, "invalid header packet"), \
204 PARA_ERROR(OVERRUN, "outout buffer overrun"), \
205 PARA_ERROR(ORTP_RECV_EOF, "ortp_recv: end of file"), \
206
207
208 #define HTTP_RECV_ERRORS \
209 PARA_ERROR(HTTP_RECV_EOF, "http_recv: end of file"), \
210 PARA_ERROR(HTTP_RECV_OVERRUN, "http_recv: outout buffer overrun"), \
211
212 #define RECV_COMMON_ERRORS \
213 PARA_ERROR(RECV_SYNTAX, "recv syntax error"), \
214
215
216 #define AUDIOD_ERRORS \
217 PARA_ERROR(NO_MORE_SLOTS, "no more empty slots"), \
218 PARA_ERROR(MISSING_COLON, "syntax error: missing colon"), \
219 PARA_ERROR(UNSUPPORTED_AUDIO_FORMAT, "given audio format not supported"), \
220 PARA_ERROR(SIGNAL_CAUGHT, "caught signal"), \
221
222
223 #define AUDIOD_COMMAND_ERRORS \
224 PARA_ERROR(CLIENT_WRITE, "client write error"), \
225 PARA_ERROR(AUDIOD_SYNTAX, "syntax error"), \
226 PARA_ERROR(UCRED_PERM, "permission denied"), \
227 PARA_ERROR(INVALID_AUDIOD_CMD, "invalid command"), \
228
229
230 #define FILTER_CHAIN_ERRORS \
231 PARA_ERROR(UNSUPPORTED_FILTER, "given filter not supported"), \
232 PARA_ERROR(BAD_FILTER_OPTIONS, "invalid filter option given"), \
233 PARA_ERROR(FC_EOF, "filter chain: eof"), \
234
235
236 #define STAT_ERRORS \
237 PARA_ERROR(TOO_MANY_CLIENTS, "maximal number of stat clients exceeded"), \
238 PARA_ERROR(UNKNOWN_STAT_ITEM, "status item not recognized"), \
239
240
241 #define OGGDEC_ERRORS \
242 PARA_ERROR(OGGDEC_READ, "read from media returned an error"), \
243 PARA_ERROR(OGGDEC_NOTVORBIS, "bitstream is not vorbis data"), \
244 PARA_ERROR(OGGDEC_VERSION, "vorbis version mismatch"), \
245 PARA_ERROR(OGGDEC_BADHEADER, "invalid vorbis bitstream header"), \
246 PARA_ERROR(OGGDEC_FAULT, "bug or heap/stack corruption"), \
247 PARA_ERROR(OGGDEC_BADLINK, "invalid stream section or requested link corrupt"), \
248
249
250 #define GRAB_CLIENT_ERRORS \
251 PARA_ERROR(PEDANTIC_GRAB, "fd not ready and pedantic grab requested"), \
252 PARA_ERROR(GC_WRITE, "grab client write error"), \
253 PARA_ERROR(BAD_GC_SLOT, "invalid slot requested by grab client"), \
254 PARA_ERROR(BAD_GC_FILTER_NUM, "invalid filter number given"), \
255 PARA_ERROR(GC_SYNTAX, "grab client syntax error"), \
256 PARA_ERROR(GC_HELP_GIVEN, ""), /* not really an error */ \
257 PARA_ERROR(GC_VERSION_GIVEN, ""), /* not really an error */ \
258
259
260 #define MP3DEC_ERRORS \
261 PARA_ERROR(MAD_FRAME_DECODE, "mad frame decode error"), \
262 PARA_ERROR(MP3DEC_OVERRUN, "mp3 output buffer overrun"), \
263
264
265 #define FILTER_ERRORS \
266 PARA_ERROR(NO_FILTERS, "at least one filter must be given"), \
267 PARA_ERROR(FILTER_SYNTAX, "syntax error"), \
268
269
270 #define SIGNAL_ERRORS \
271 PARA_ERROR(SIGNAL_SIG_ERR, "signal() retured SIG_ERR"), \
272 PARA_ERROR(SIGNAL_READ, "read error from signal pipe"), \
273 PARA_ERROR(WAITPID, "waitpid error"), \
274 PARA_ERROR(SIGNAL_PIPE, "failed to setup signal pipe"), \
275
276
277 #define STRING_ERRORS \
278 PARA_ERROR(MKSTEMP, "mkstemp error: unable to create tmp file"), \
279 PARA_ERROR(FCHMOD, "fchmod error: can not set mode"), \
280 PARA_ERROR(ATOI_OVERFLOW, "value too large"), \
281 PARA_ERROR(STRTOLL, "unknown strtoll error"), \
282 PARA_ERROR(ATOI_NO_DIGITS, "no digits found in string"), \
283 PARA_ERROR(ATOI_JUNK_AT_END, "further characters after number"), \
284
285
286 #define EXEC_ERRORS \
287 PARA_ERROR(DUP_PIPE, "exec error: can not create pipe"), \
288 PARA_ERROR(NULL_OPEN, "can not open /dev/null"), \
289
290
291 #define MP3_AFH_ERRORS \
292 PARA_ERROR(FRAME, "invalid mp3 frame"), \
293 PARA_ERROR(FRAME_LENGTH, "invalid frame length"), \
294 PARA_ERROR(MP3_INFO, "could not read mp3 info"), \
295 PARA_ERROR(HEADER_FREQ, "invalid header frequency"), \
296 PARA_ERROR(HEADER_BITRATE, "invalid header bitrate"), \
297
298
299 #define AAC_AFH_ERRORS \
300 PARA_ERROR(STSZ, "did not find stcz atom"), \
301 PARA_ERROR(MP4ASC, "audio spec config error"), \
302 PARA_ERROR(AAC_AFH_INIT, "failed to init aac decoder"), \
303
304
305 #define AAC_COMMON_ERRORS \
306 PARA_ERROR(ESDS, "did not find esds atom"), \
307 PARA_ERROR(STCO, "did not find stco atom"), \
308
309
310 #define OGG_AFH_ERRORS \
311 PARA_ERROR(OGG_READ, "ogg read error"), \
312 PARA_ERROR(SYNC_PAGEOUT, "ogg sync page-out error (no ogg file?)"), \
313 PARA_ERROR(STREAM_PAGEIN, "ogg stream page-in error (first page)"), \
314 PARA_ERROR(STREAM_PACKETOUT, "ogg stream packet-out error (first packet)"), \
315 PARA_ERROR(VORBIS, "vorbis synthesis header-in error (not vorbis?)"), \
316 PARA_ERROR(OGG_INFO, "ov_info error"), \
317 PARA_ERROR(OGG_VERSION, "unsupported ogg version"), \
318 PARA_ERROR(OGG_BAD_HEADER, "invalid ogg vorbis header"), \
319 PARA_ERROR(OGG_UNKNOWN_ERROR, "unknown ogg vorbis error"), \
320
321
322 #define VSS_ERRORS \
323 PARA_ERROR(BAD_AUDIO_FILE_SUFFIX, "unknown suffix"), \
324 PARA_ERROR(AUDIO_FORMAT, "audio format not recognized"), \
325 PARA_ERROR(CHUNK, "unable to get chunk"), \
326
327
328 #define AFS_COMMON_ERRORS \
329 PARA_ERROR(GETCWD, "can not get current working directory"), \
330 PARA_ERROR(LSTAT, "lstat error"), \
331
332
333 #define CRYPT_ERRORS \
334 PARA_ERROR(PRIVATE_KEY, "can not read private key"), \
335 PARA_ERROR(PUBLIC_KEY, "can not read public key"), \
336 PARA_ERROR(RSA, "RSA error"), \
337 PARA_ERROR(ENCRYPT, "encrypt error"), \
338 PARA_ERROR(DECRYPT, "decrypt error"), \
339 PARA_ERROR(CHALLENGE, "failed to read challenge"), \
340
341
342 #define HTTP_SEND_ERRORS \
343 PARA_ERROR(WRITE_OK, "can not check whether fd is writable"), \
344 PARA_ERROR(SEND_QUEUED_CHUNK, "failed to send queued chunk"), \
345
346
347 #define RANDOM_SELECTOR_ERRORS \
348 PARA_ERROR(NOTHING_FOUND, "no audio files found"), \
349
350
351 #define MYSQL_SELECTOR_ERRORS \
352 PARA_ERROR(MYSQL_SYNTAX, "mysql syntax error"), \
353 PARA_ERROR(NOTCONN, "not connected to mysql server"), \
354 PARA_ERROR(TOOBIG, "mysql: file too large"), \
355 PARA_ERROR(NAMETOOLONG, "mysql: name too long"), \
356 PARA_ERROR(QFAILED, "mysql query failed"), \
357 PARA_ERROR(NOROW, "row is NULL"), \
358 PARA_ERROR(NOATTS, "can not get attributes from mysql table"), \
359 PARA_ERROR(NORESULT, "error while fetching mysql result"), \
360 PARA_ERROR(EMPTY_RESULT, "result is empty"), \
361 PARA_ERROR(ESCAPE, "can not escape string"), \
362 PARA_ERROR(GET_AUDIO_FILE, "can not get current audio file"), \
363 PARA_ERROR(GET_STREAM, "can not get current stream"), \
364 PARA_ERROR(NO_STREAM, "no such stream"), \
365 PARA_ERROR(AUDIO_FILE, "no such audio file"), \
366 PARA_ERROR(GET_QUERY, "can not get query for specified stream"), \
367 PARA_ERROR(TMPFILE, "error while writing temporary file"), \
368 PARA_ERROR(META, "can not get meta data"), \
369 PARA_ERROR(MYSQL_INIT, "can not initialize mysql connection"), \
370 PARA_ERROR(NO_MYSQL_PASSWD, "fatal: no mysql passord given"), \
371 PARA_ERROR(NO_AF_DIR, "fatal: audio file directory not given"), \
372
373
374 #define COMMAND_ERRORS \
375 PARA_ERROR(COMMAND_SYNTAX, "syntax error in command"), \
376 PARA_ERROR(AUTH, "did not receive auth request"), \
377 PARA_ERROR(BAD_SELECTOR, "no such audio file selector"), \
378 PARA_ERROR(NO_AUDIO_FILE, "no audio file"), \
379 PARA_ERROR(BAD_CMD, "invalid command"), \
380 PARA_ERROR(PERM, "permission denied"), \
381 PARA_ERROR(LOCK, "lock error"), \
382 PARA_ERROR(SENDER_CMD, "command not supported by this sender"), \
383 PARA_ERROR(SERVER_CRASH, "para_server crashed -- can not live without it"), \
384 PARA_ERROR(BAD_USER, "you don't exist. Go away."), \
385
386
387 #define PLAYLIST_SELECTOR_ERRORS \
388 PARA_ERROR(LOAD_PLAYLIST, "failed to load playlist"), \
389
390
391 #define IPC_ERRORS \
392 PARA_ERROR(SEM_GET, "failed to create semaphore"), \
393 PARA_ERROR(SEM_REMOVE, "can not remove semaphore"), \
394 PARA_ERROR(SHM_GET, "failed to allocate shared memory area"), \
395 PARA_ERROR(SHM_DESTROY, "failed to destroy shared memory area"), \
396 PARA_ERROR(SHM_ATTACH, "can not attach shared memory area"), \
397 PARA_ERROR(SHM_DETACH, "can not detach shared memory area"), \
398
399
400 #define DCCP_ERRORS \
401 PARA_ERROR(DCCP_SOCKET, "can not create dccp socket"), \
402
403
404 #define DCCP_RECV_ERRORS \
405 PARA_ERROR(ADDR_INFO, "getaddrinfo error"), \
406 PARA_ERROR(DCCP_OVERRUN, "dccp output buffer buffer overrun"), \
407 PARA_ERROR(DCCP_CONNECT, "dccp connect error"), \
408 PARA_ERROR(DCCP_RECV_EOF, "dccp_recv: end of file"), \
409
410
411 #define DCCP_SEND_ERRORS \
412 PARA_ERROR(DCCP_BIND, "dccp bind error"), \
413 PARA_ERROR(DCCP_LISTEN, "dccp listen error"), \
414 PARA_ERROR(DCCP_WRITE, "dccp write error"), \
415
416
417 #define FD_ERRORS \
418 PARA_ERROR(NOTDIR, "error: not a directory"), \
419 PARA_ERROR(F_GETFL, "failed to get fd flags"), \
420 PARA_ERROR(F_SETFL, "failed to set fd flags"), \
421 PARA_ERROR(FGETS, "fgets error"), \
422 PARA_ERROR(EXIST, "file or directory already exists"), \
423 PARA_ERROR(ISDIR, "error: is a directory"), \
424 PARA_ERROR(NOENT, "no such file or directory"), \
425 PARA_ERROR(OPEN_PERM, "open error (permission denied)"), \
426 PARA_ERROR(MKDIR_PERM, "mkdir error (permission denied)"), \
427 PARA_ERROR(MKDIR, "failed to create directory"), \
428 PARA_ERROR(CHDIR, "failed to change directory"), \
429 PARA_ERROR(FCHDIR, "fchdir failed"), \
430 PARA_ERROR(OPENDIR, "can not open directory"), \
431 PARA_ERROR(NOSPC, "no space left on device"), \
432 PARA_ERROR(OPEN, "failed to open file"), \
433 PARA_ERROR(CHDIR_PERM, "insufficient permissions to chdir"), \
434
435
436 #define WRITE_ERRORS \
437 PARA_ERROR(WRITE_SYNTAX, "para_write syntax error"), \
438 PARA_ERROR(PREMATURE_END, "premature end of audio file"), \
439 PARA_ERROR(NO_WAV_HEADER, "wave header not found"), \
440 PARA_ERROR(WAV_HEADER_SUCCESS, "successfully read wave header"), \
441 PARA_ERROR(NO_DELAY, "no initial delay"), \
442 PARA_ERROR(DELAY_TIMEOUT, "initial delay timeout"), \
443
444
445 #define ALSA_WRITE_ERRORS \
446 PARA_ERROR(BROKEN_CONF, "Broken alsa configuration"), \
447 PARA_ERROR(ACCESS_TYPE, "alsa access type not available"), \
448 PARA_ERROR(SAMPLE_FORMAT, "sample format not available"), \
449 PARA_ERROR(CHANNEL_COUNT, "channels count not available"), \
450 PARA_ERROR(HW_PARAMS, "unable to install hw params"), \
451 PARA_ERROR(SW_PARAMS, "unable to install sw params"), \
452 PARA_ERROR(BAD_PERIOD, "can not use period equal to buffer size"), \
453 PARA_ERROR(GET_XFER, "unable to obtain xfer align"), \
454 PARA_ERROR(SET_XFER, "snd_pcm_sw_params_set_xfer_align() failed"), \
455 PARA_ERROR(ALSA_WRITE, "alsa write error"), \
456 PARA_ERROR(PCM_OPEN, "unable to open pcm"), \
457 PARA_ERROR(SND_PCM_INFO, "pcm info error"), \
458 PARA_ERROR(GET_BUFFER_TIME, "snd_pcm_hw_params_get_buffer_time_max() failed"), \
459 PARA_ERROR(SET_BUFFER_TIME, "snd_pcm_hw_params_set_buffer_time_near() failed"), \
460 PARA_ERROR(SET_RATE, "snd_pcm_hw_params_set_rate_near failed"), \
461 PARA_ERROR(START_THRESHOLD, "snd_pcm_sw_params_set_start_threshold() failed"), \
462 PARA_ERROR(STOP_THRESHOLD, "snd_pcm_sw_params_set_stop_threshold() failed"), \
463
464
465 #define FILE_WRITE_ERRORS \
466 PARA_ERROR(FW_WRITE, "file writer write error"), \
467 PARA_ERROR(FW_OPEN, "file writer: can not open output file"), \
468 PARA_ERROR(FW_NO_FILE, "task started without open file"), \
469
470
471 #define WRITE_COMMON_ERRORS \
472 PARA_ERROR(WRITE_COMMON_SYNTAX, "syntax error in write option"), \
473 PARA_ERROR(WNG_EOF, "wng: end of file"), \
474
475
476 #define AACDEC_ERRORS \
477 PARA_ERROR(AACDEC_INIT, "failed to init aac decoder"), \
478 PARA_ERROR(AAC_DECODE, "aac decode error"), \
479 PARA_ERROR(AAC_OVERRUN, "aac output buffer overrun"), \
480
481
482 #define CHUNK_QUEUE_ERRORS \
483 PARA_ERROR(QUEUE, "packet queue overrun"), \
484
485 /** \endcond */
486
487 /**
488 * the subsystem shift
489 *
490 * 255 error codes ought to be enough for every subsystem. Use the higher bits
491 * of the return value to encode the subsystem number
492 */
493 #define SS_SHIFT 8
494
495 /**
496 * compute the subsystem offset
497 *
498 * It is given by x * 2**8 where \a x is the subsystem number
499 */
500 #define SS_OFFSET(ss) (SS_ ## ss << SS_SHIFT)
501
502 /**
503 * make the enum of all errors of one subsystem
504 *
505 * As zero should not be an error, we define a dummy enum entry with value
506 * 2**ss. That lets the real errors start at 2**ss + 1.
507 */
508 #define SS_ENUM(ss) enum {\
509 E_ ## ss ## _DUMMY = SS_OFFSET(ss), \
510 ss ## _ERRORS}
511
512 /**
513 * determine the subsystem number from the error number
514 *
515 * Easy, it's just \a num / 2**8.
516 */
517 #define ERRNUM_TO_SS(num) ((num) >> SS_SHIFT)
518
519 /**
520 * determine the index of an error number
521 *
522 * Also easy: It's the lower 8 bits of num.
523 */
524 #define ERRNUM_TO_INDEX(num) (((1 << SS_SHIFT) - 1) & (num))
525
526 /**
527 * paraslash's version of strerror(3)
528 *
529 * expands to the error text of \a num (a string constant).
530 */
531 #define PARA_STRERROR(num) para_errlist[ERRNUM_TO_SS(num)] [ERRNUM_TO_INDEX(num)]
532
533 /**
534 * define the error list for one subsystem
535 #
536 * The first entry (index 0) is always the name of the subsystem
537 * Used by macros in config.h (generated by configure)
538 */
539 #define DEFINE_ERRLIST(ss) const char * ss ## _ERRLIST[] = {#ss, ss ## _ERRORS}
540
541 /**
542 * activate errors for one subsystem.
543 *
544 * Each executable needs only the error lists of those subssystems it is
545 * actually linked with. We always reserve space for NUM_SS char ** pointers,
546 * but only init those of the needed subsystems. This macro is used by macros
547 * in config.h (generated by configure).
548 */
549 #define PARA_ERRLIST(ss) [SS_ ## ss] = ss ## _ERRLIST
550
551 /**
552 * This is temporarily defined to expand to its first argument (prefixed by
553 * 'E_') and gets later redefined to expand to the error text only
554 */
555 #define PARA_ERROR(err, msg) E_ ## err
556 #include "error2.h"
557 #undef PARA_ERROR
558 /* rest of the world only sees the error text */
559 #define PARA_ERROR(err, msg) msg