ogg: Separate ogg from vorbis code.
[paraslash.git] / error.h
1 /*
2 * Copyright (C) 2006-2010 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 TIME_ERRORS
17 #define CLOSE_ON_FORK_ERRORS
18 #define DAEMON_ERRORS
19 #define GUI_ERRORS
20 #define RINGBUFFER_ERRORS
21 #define SCORE_ERRORS
22 #define SHA1_ERRORS
23 #define RBTREE_ERRORS
24 #define RECV_ERRORS
25 #define IPC_ERRORS
26 #define DCCP_SEND_ERRORS
27 #define HTTP_SEND_ERRORS
28 #define GGO_ERRORS
29 #define COLOR_ERRORS
30 #define SIGNAL_ERRORS
31 #define FADE_ERRORS
32 #define SERVER_COMMAND_LIST_ERRORS
33 #define AFS_COMMAND_LIST_ERRORS
34 #define AUDIOD_COMMAND_LIST_ERRORS
35 #define STDOUT_ERRORS
36 #define FILE_WRITE_ERRORS
37 #define STDIN_ERRORS
38
39 extern const char **para_errlist[];
40
41 #define OGG_AFH_COMMON_ERRORS \
42 PARA_ERROR(STREAM_PACKETOUT, "ogg stream packet-out error (first packet)"), \
43 PARA_ERROR(SYNC_PAGEOUT, "ogg sync page-out error (no ogg file?)"), \
44 PARA_ERROR(STREAM_PAGEIN, "ogg stream page-in error (first page)"), \
45 PARA_ERROR(OGG_SYNC, "internal ogg storage overflow"), \
46 PARA_ERROR(OGG_EMPTY, "no ogg pages found"), \
47
48
49 #define BUFFER_TREE_ERRORS \
50 PARA_ERROR(BTR_EOF, "buffer tree: end of file"), \
51 PARA_ERROR(BTR_NO_CHILD, "btr node has no children"), \
52 PARA_ERROR(BTR_NAVAIL, "btr node: value currently unavailable"), \
53
54
55 #define BITSTREAM_ERRORS \
56 PARA_ERROR(VLC, "invalid vlc code"), \
57
58
59 #define WMA_AFH_ERRORS \
60 PARA_ERROR(NO_WMA, "asf/wma format not recognized"), \
61
62
63 #define WMA_COMMON_ERRORS \
64 PARA_ERROR(WMA_NO_GUID, "audio stream guid not found"), \
65
66
67 #define WMADEC_FILTER_ERRORS \
68 PARA_ERROR(WMA_BAD_PARAMS, "invalid WMA parameters"), \
69 PARA_ERROR(WMA_OUTPUT_SPACE, "insufficient output space"), \
70 PARA_ERROR(WMA_BAD_SUPERFRAME, "invalid superframe"), \
71 PARA_ERROR(WMA_BLOCK_SIZE, "invalid block size"), \
72 PARA_ERROR(INCOHERENT_BLOCK_LEN, "incoherent block length"), \
73 PARA_ERROR(WMADEC_EOF, "wmadec: end of file"), \
74
75
76 #define IMDCT_ERRORS \
77 PARA_ERROR(FFT_BAD_PARAMS, "invalid params for fft"), \
78
79
80 #define PREBUFFER_FILTER_ERRORS \
81 PARA_ERROR(PREBUFFER_SYNTAX, "syntax error in prebuffer filter config"), \
82 PARA_ERROR(PREBUFFER_SUCCESS, "prebuffering complete"), \
83
84
85 #define OSS_WRITE_ERRORS \
86 PARA_ERROR(BAD_SAMPLE_FORMAT, "sample format not supported"), \
87 PARA_ERROR(BAD_CHANNEL_COUNT, "channel count not supported"), \
88 PARA_ERROR(BAD_SAMPLERATE, "sample rate not supported"), \
89 PARA_ERROR(OSS_EOF, "oss: end of file"), \
90
91
92 #define COMPRESS_FILTER_ERRORS \
93 PARA_ERROR(COMPRESS_SYNTAX, "syntax error in compress filter config"), \
94 PARA_ERROR(COMPRESS_EOF, "compress: end of file"), \
95
96
97 #define WAV_FILTER_ERRORS \
98 PARA_ERROR(WAV_BAD_FC, "invalid filter configuration"), \
99 PARA_ERROR(WAV_EOF, "wav filter: end of file"), \
100 PARA_ERROR(WAV_SUCCESS, "successfully wrote wav header"), \
101
102
103 #define FEC_ERRORS \
104 PARA_ERROR(FEC_BAD_IDX, "invalid index vector"), \
105 PARA_ERROR(FEC_SINGULAR, "unexpected singular matrix"), \
106 PARA_ERROR(FEC_PIVOT, "pivot column not found"), \
107 PARA_ERROR(FEC_PARMS, "invalid fec parameters"), \
108
109
110 #define FECDEC_FILTER_ERRORS \
111 PARA_ERROR(BAD_FEC_HEADER, "invalid fec header"), \
112 PARA_ERROR(BAD_SLICE_SIZE, "slice size zero or too large"), \
113 PARA_ERROR(BAD_SLICE_NUM, "invalid slice number"), \
114 PARA_ERROR(FECDEC_OVERRUN, "fecdec output buffer overrun"), \
115 PARA_ERROR(FECDEC_EOF, "received eof packet"), \
116
117
118 #define AMP_FILTER_ERRORS \
119 PARA_ERROR(AMP_SYNTAX, "syntax error in amp filter config"), \
120 PARA_ERROR(AMP_ZERO_AMP, "no amplification necessary"), \
121 PARA_ERROR(AMP_EOF, "amp: end of file"), \
122
123
124 #define SEND_COMMON_ERRORS \
125 PARA_ERROR(MAX_CLIENTS, "maximal number of clients exceeded"), \
126
127
128 #define CLIENT_ERRORS \
129 PARA_ERROR(TASK_STARTED, "task started"), \
130
131
132 #define AFH_ERRORS \
133 PARA_ERROR(AFH_SYNTAX, "afh syntax error"), \
134 PARA_ERROR(AFH_SHORT_WRITE, "afh short write"), \
135
136
137 #define AFH_COMMON_ERRORS \
138 PARA_ERROR(AUDIO_FORMAT, "audio format not recognized"), \
139
140
141 #define ACL_ERRORS \
142 PARA_ERROR(ACL_PERM, "access denied by acl"), \
143
144
145 #define AFS_ERRORS \
146 PARA_ERROR(BAD_TABLE_NAME, "invalid table"), \
147 PARA_ERROR(AFS_SYNTAX, "afs syntax error"), \
148 PARA_ERROR(AFS_SIGNAL, "afs caught deadly signal"), \
149 PARA_ERROR(AFS_SOCKET, "afs socket not writable"), \
150
151
152 #define MOOD_ERRORS \
153 PARA_ERROR(NO_MOOD, "no mood available"), \
154 PARA_ERROR(DUMMY_ROW, "attempted to access blob dummy object"), \
155
156
157 #define MM_ERRORS \
158 PARA_ERROR(MOOD_SYNTAX, "mood syntax error"), \
159
160
161 #define ATTRIBUTE_ERRORS \
162 PARA_ERROR(ATTR_SYNTAX, "attribute syntax error"), \
163 PARA_ERROR(NO_ATTRIBUTES, "no attributes defined yet"), \
164 PARA_ERROR(ATT_TABLE_FULL, "no more space left in attribute table"), \
165
166
167 #define BLOB_ERRORS \
168 PARA_ERROR(BLOB_SYNTAX, "blob syntax error"), \
169 PARA_ERROR(INPUT_TOO_LARGE, "input too large for stdin command"), \
170
171
172 #define PLAYLIST_ERRORS \
173 PARA_ERROR(PLAYLIST_LOADED, ""), /* not really an error */ \
174 PARA_ERROR(PATH_FOUND, ""), /* not really an error */ \
175 PARA_ERROR(PLAYLIST_EMPTY, "attempted to load empty playlist"), \
176
177
178 #define AFT_ERRORS \
179 PARA_ERROR(BAD_AFSI, "invaiid afs info"), \
180 PARA_ERROR(LOCALTIME, "localtime() failed"), \
181 PARA_ERROR(STRFTIME, "strftime() failed"), \
182 PARA_ERROR(BAD_PATH, "invalid path"), \
183 PARA_ERROR(BAD_SORT, "invalid sorting method"), \
184 PARA_ERROR(FNMATCH, "fnmatch error"), \
185 PARA_ERROR(NO_AFHI, "audio format handler info required"), \
186 PARA_ERROR(AFT_SYNTAX, "audio file table syntax error"), \
187 PARA_ERROR(HASH_MISMATCH, "hash mismatch, consider re-add"), \
188
189
190 #define USER_LIST_ERRORS \
191 PARA_ERROR(USERLIST, "failed to open user list file"), \
192
193
194 #define OSX_WRITE_ERRORS \
195 PARA_ERROR(STREAM_FORMAT, "could not set stream format"), \
196 PARA_ERROR(ADD_CALLBACK, "can not add callback"), \
197 PARA_ERROR(OPEN_COMP, "OpenAComponent() error"), \
198 PARA_ERROR(UNIT_INIT, "AudioUnitInitialize() error"), \
199 PARA_ERROR(UNIT_START, "AudioUnitStart() error"), \
200 PARA_ERROR(DEFAULT_COMP, "can not find default audio output component"), \
201
202
203 #define AUDIOC_ERRORS \
204 PARA_ERROR(AUDIOC_SYNTAX, "audioc syntax error"), \
205
206
207 #define CLIENT_COMMON_ERRORS \
208 PARA_ERROR(CLIENT_SYNTAX, "syntax error"), \
209 PARA_ERROR(NO_CONFIG, "config file not found"), \
210 PARA_ERROR(BAD_CONFIG, "syntax error in config file"), \
211 PARA_ERROR(CLIENT_AUTH, "authentication failed"), \
212 PARA_ERROR(SERVER_EOF, "connection closed by para_server"), \
213
214
215 #define SCHED_ERRORS \
216 PARA_ERROR(TASK_KILLED, "task killed"), \
217 PARA_ERROR(TASK_UNREGISTERED, "task has been unscheduled"), \
218 PARA_ERROR(NO_SUCH_TASK, "task not found"), \
219 PARA_ERROR(NOT_INITIALIZED, "scheduler not yet initialized"), \
220
221
222 #define NET_ERRORS \
223 PARA_ERROR(NAME_TOO_LONG, "name too long for struct sockaddr_un"), \
224 PARA_ERROR(ADDRESS_LOOKUP, "can not resolve requested address"),\
225 PARA_ERROR(CHMOD, "failed to set socket mode"), \
226 PARA_ERROR(SENDMSG, "sendmsg() failed"), \
227 PARA_ERROR(RECVMSG, "recvmsg() failed"), \
228 PARA_ERROR(SCM_CREDENTIALS, "did not receive SCM credentials"), \
229
230
231 #define UDP_RECV_ERRORS \
232 PARA_ERROR(UDP_SYNTAX, "udp_recv syntax error"), \
233 PARA_ERROR(UDP_OVERRUN, "output buffer overrun"), \
234
235
236 #define UDP_SEND_ERRORS \
237 PARA_ERROR(TARGET_EXISTS, "requested target is already present"),\
238 PARA_ERROR(TARGET_NOT_FOUND, "requested target not found")
239
240
241 #define HTTP_RECV_ERRORS \
242 PARA_ERROR(HTTP_RECV_OVERRUN, "http_recv: output buffer overrun"), \
243
244
245 #define RECV_COMMON_ERRORS \
246 PARA_ERROR(RECV_SYNTAX, "recv syntax error"), \
247 PARA_ERROR(RECV_EOF, "end of file"), \
248
249
250 #define AUDIOD_ERRORS \
251 PARA_ERROR(NO_MORE_SLOTS, "no more empty slots"), \
252 PARA_ERROR(MISSING_COLON, "syntax error: missing colon"), \
253 PARA_ERROR(UNSUPPORTED_AUDIO_FORMAT, "given audio format not supported"), \
254 PARA_ERROR(NOT_PLAYING, "not playing"), \
255 PARA_ERROR(AUDIOD_OFF, "audiod switched off"), \
256 PARA_ERROR(STATUS_TIMEOUT, "timeout reading server status"), \
257
258
259 #define AUDIOD_COMMAND_ERRORS \
260 PARA_ERROR(CLIENT_WRITE, "client write error"), \
261 PARA_ERROR(AUDIOD_SYNTAX, "syntax error"), \
262 PARA_ERROR(UCRED_PERM, "permission denied"), \
263 PARA_ERROR(INVALID_AUDIOD_CMD, "invalid command"), \
264 PARA_ERROR(TOO_MANY_CLIENTS, "maximal number of stat clients exceeded"), \
265 PARA_ERROR(UNKNOWN_STAT_ITEM, "status item not recognized"), \
266
267
268 #define FILTER_COMMON_ERRORS \
269 PARA_ERROR(BAD_FILTER_OPTIONS, "invalid filter option given"), \
270 PARA_ERROR(UNSUPPORTED_FILTER, "given filter not supported"), \
271
272
273 #define STAT_ERRORS \
274 PARA_ERROR(STAT_ITEM_PARSE, "failed to parse status item"), \
275
276
277 #define OGGDEC_FILTER_ERRORS \
278 PARA_ERROR(OGGDEC_READ, "read from media returned an error"), \
279 PARA_ERROR(OGGDEC_NOTVORBIS, "bitstream is not vorbis data"), \
280 PARA_ERROR(OGGDEC_VERSION, "vorbis version mismatch"), \
281 PARA_ERROR(OGGDEC_BADHEADER, "invalid vorbis bitstream header"), \
282 PARA_ERROR(OGGDEC_FAULT, "bug or heap/stack corruption"), \
283 PARA_ERROR(OGGDEC_BADLINK, "invalid stream section or requested link corrupt"), \
284
285
286 #define GRAB_CLIENT_ERRORS \
287 PARA_ERROR(GC_WRITE, "grab client write error"), \
288 PARA_ERROR(GC_SYNTAX, "grab client syntax error"), \
289
290
291 #define MP3DEC_FILTER_ERRORS \
292 PARA_ERROR(MAD_FRAME_DECODE, "mad frame decode error"), \
293 PARA_ERROR(MP3DEC_SYNTAX, "syntax error in mp3dec config"), \
294 PARA_ERROR(MP3DEC_EOF, "mp3dec: end of file"), \
295
296
297 #define FILTER_ERRORS \
298 PARA_ERROR(NO_FILTERS, "at least one filter must be given"), \
299 PARA_ERROR(FILTER_SYNTAX, "syntax error"), \
300
301
302 #define STRING_ERRORS \
303 PARA_ERROR(ATOI_OVERFLOW, "value too large"), \
304 PARA_ERROR(STRTOLL, "unknown strtoll error"), \
305 PARA_ERROR(ATOI_NO_DIGITS, "no digits found in string"), \
306 PARA_ERROR(ATOI_JUNK_AT_END, "further characters after number"), \
307 PARA_ERROR(SIZE_PREFIX, "bad size prefix"), \
308 PARA_ERROR(REGEX, "regular expression error") \
309
310
311 #define EXEC_ERRORS \
312 PARA_ERROR(DUP_PIPE, "exec error: can not create pipe"), \
313
314
315 #define MP3_AFH_ERRORS \
316 PARA_ERROR(FRAME, "invalid mp3 frame"), \
317 PARA_ERROR(FRAME_LENGTH, "invalid frame length"), \
318 PARA_ERROR(MP3_INFO, "could not read mp3 info"), \
319 PARA_ERROR(HEADER_FREQ, "invalid header frequency"), \
320 PARA_ERROR(HEADER_BITRATE, "invalid header bitrate"), \
321
322
323 #define AAC_AFH_ERRORS \
324 PARA_ERROR(STSZ, "did not find stcz atom"), \
325 PARA_ERROR(MP4ASC, "audio spec config error"), \
326 PARA_ERROR(AAC_AFH_INIT, "failed to init aac decoder"), \
327
328
329 #define AAC_COMMON_ERRORS \
330 PARA_ERROR(ESDS, "did not find esds atom"), \
331 PARA_ERROR(STCO, "did not find stco atom"), \
332
333
334 #define OGG_AFH_ERRORS \
335 PARA_ERROR(VORBIS, "vorbis synthesis header-in error (not vorbis?)"), \
336
337
338 #define VSS_ERRORS \
339 PARA_ERROR(NOFD, "did not receive open fd from afs"), \
340 PARA_ERROR(BAD_CT, "invalid chunk table or bad FEC configuration"), \
341 PARA_ERROR(AFS_SHORT_READ, "short read from afs socket"), \
342
343
344 #define CRYPT_ERRORS \
345 PARA_ERROR(PRIVATE_KEY, "can not read private key"), \
346 PARA_ERROR(PUBLIC_KEY, "can not read public key"), \
347 PARA_ERROR(RSA, "RSA error"), \
348 PARA_ERROR(ENCRYPT, "encrypt error"), \
349 PARA_ERROR(DECRYPT, "decrypt error"), \
350 PARA_ERROR(BLINDING, "failed to activate key blinding"), \
351 PARA_ERROR(KEY_PERM, "unprotected private key"), \
352
353
354 #define COMMAND_ERRORS \
355 PARA_ERROR(COMMAND_SYNTAX, "syntax error in command"), \
356 PARA_ERROR(AUTH_REQUEST, "did not receive auth request"), \
357 PARA_ERROR(NO_AUDIO_FILE, "no audio file"), \
358 PARA_ERROR(BAD_CMD, "invalid command"), \
359 PARA_ERROR(PERM, "permission denied"), \
360 PARA_ERROR(LOCK, "lock error"), \
361 PARA_ERROR(SENDER_CMD, "command not supported by this sender"), \
362 PARA_ERROR(SERVER_CRASH, "para_server crashed -- can not live without it"), \
363 PARA_ERROR(BAD_USER, "auth request for invalid user"), \
364 PARA_ERROR(BAD_AUTH, "authentication failure"), \
365
366
367 #define DCCP_RECV_ERRORS \
368 PARA_ERROR(DCCP_OVERRUN, "dccp output buffer buffer overrun"), \
369
370
371 #define FD_ERRORS \
372 PARA_ERROR(FGETS, "fgets error"), \
373 PARA_ERROR(EOF, "end of file"), \
374 PARA_ERROR(READ_PATTERN, "did not read expected pattern"), \
375
376
377 #define WRITE_ERRORS \
378 PARA_ERROR(WRITE_SYNTAX, "para_write syntax error"), \
379 PARA_ERROR(NO_WAV_HEADER, "wave header not found"), \
380
381
382 #define ALSA_WRITE_ERRORS \
383 PARA_ERROR(BROKEN_CONF, "Broken alsa configuration"), \
384 PARA_ERROR(ACCESS_TYPE, "alsa access type not available"), \
385 PARA_ERROR(SAMPLE_FORMAT, "sample format not available"), \
386 PARA_ERROR(CHANNEL_COUNT, "channels count not available"), \
387 PARA_ERROR(HW_PARAMS, "unable to install hw params"), \
388 PARA_ERROR(BAD_PERIOD, "can not use period equal to buffer size"), \
389 PARA_ERROR(ALSA_WRITE, "alsa write error"), \
390 PARA_ERROR(PCM_OPEN, "unable to open pcm"), \
391 PARA_ERROR(PHYSICAL_WIDTH, "unable to determine bytes per frame"), \
392 PARA_ERROR(GET_BUFFER_TIME, "snd_pcm_hw_params_get_buffer_time_max() failed"), \
393 PARA_ERROR(SET_BUFFER_TIME, "snd_pcm_hw_params_set_buffer_time_near() failed"), \
394 PARA_ERROR(SET_RATE, "snd_pcm_hw_params_set_rate_near failed"), \
395 PARA_ERROR(START_THRESHOLD, "snd_pcm_sw_params_set_start_threshold() failed"), \
396 PARA_ERROR(STOP_THRESHOLD, "snd_pcm_sw_params_set_stop_threshold() failed"), \
397 PARA_ERROR(ALSA_EOF, "alsa: end of file"), \
398
399
400
401 #define WRITE_COMMON_ERRORS \
402 PARA_ERROR(WRITE_COMMON_SYNTAX, "syntax error in write option"), \
403
404
405 #define AACDEC_FILTER_ERRORS \
406 PARA_ERROR(AACDEC_INIT, "failed to init aac decoder"), \
407 PARA_ERROR(AAC_DECODE, "aac decode error"), \
408
409
410 #define CHUNK_QUEUE_ERRORS \
411 PARA_ERROR(QUEUE, "packet queue overrun"), \
412
413
414 /** \endcond */
415
416 /**
417 * The subsystem shift.
418 *
419 * 255 error codes ought to be enough for every subsystem. Use the higher bits
420 * of the return value to encode the subsystem number.
421 */
422 #define SS_SHIFT 8
423
424 /**
425 * Compute the subsystem offset.
426 *
427 * It is given by x * 2**8 where \a x is the subsystem number.
428 */
429 #define SS_OFFSET(ss) (SS_ ## ss << SS_SHIFT)
430
431 /**
432 * Make the enum of all errors of one subsystem.
433 *
434 * As zero should not be an error, we define a dummy enum entry with value
435 * 2**ss. That lets the real errors start at 2**ss + 1.
436 */
437 #define SS_ENUM(ss) enum {\
438 E_ ## ss ## _DUMMY = SS_OFFSET(ss), \
439 ss ## _ERRORS}
440
441 /**
442 * Determine the subsystem number from the error number.
443 *
444 * Easy, it's just \a num / 2**8.
445 */
446 #define ERRNUM_TO_SS(num) ((num) >> SS_SHIFT)
447
448 /**
449 * Determine the index of an error number.
450 *
451 * Also easy: It's the lower 8 bits of num.
452 */
453 #define ERRNUM_TO_INDEX(num) (((1 << SS_SHIFT) - 1) & (num))
454
455 /**
456 * This bit indicates whether a number is considered a system error number
457 * If yes, the system errno is just the result of clearing this bit from
458 * the given number.
459 */
460 #define SYSTEM_ERROR_BIT 30
461
462 /**
463 * Like the SYSTEM_ERROR_BIT, but indicates an error from the osl library.
464 */
465 #define OSL_ERROR_BIT 29
466
467 /** Check whether the system error bit is set. */
468 #define IS_SYSTEM_ERROR(num) (!!((num) & (1 << SYSTEM_ERROR_BIT)))
469
470 /** Check whether the osl error bit is set. */
471 #define IS_OSL_ERROR(num) (!!((num) & (1 << OSL_ERROR_BIT)))
472
473 /** Set the system error bit for the given number. */
474 #define ERRNO_TO_PARA_ERROR(num) ((num) | (1 << SYSTEM_ERROR_BIT))
475
476 /** Set the osl error bit for the given number. */
477 #define OSL_ERRNO_TO_PARA_ERROR(num) ((num) | (1 << OSL_ERROR_BIT))
478
479 /** Check whether a given number is a system error number.
480 *
481 * \param num The value to be checked.
482 * \param _errno The system error number.
483 *
484 * \return True if \a num is paraslash's representation of the system
485 * error identified by \a _errno.
486 */
487 _static_inline_ int is_errno(int num, int _errno)
488 {
489 assert(num > 0 && _errno > 0);
490 return ERRNO_TO_PARA_ERROR(_errno) == num;
491 }
492
493 /**
494 * Paraslash's version of strerror(3).
495 *
496 * \param num The error number.
497 *
498 * \return The error text of \a num.
499 */
500 _static_inline_ const char *para_strerror(int num)
501 {
502 assert(num > 0);
503 #ifdef _OSL_H
504 if (IS_OSL_ERROR(num))
505 return osl_strerror(num & ((1 << OSL_ERROR_BIT) - 1));
506 #endif
507 if (IS_SYSTEM_ERROR(num))
508 return strerror(num & ((1 << SYSTEM_ERROR_BIT) - 1));
509 return para_errlist[ERRNUM_TO_SS(num)][ERRNUM_TO_INDEX(num)];
510 }
511
512 /**
513 * Wrapper for osl library calls.
514 *
515 * \param ret The return value of an osl library function.
516 *
517 * This should be used for all calls to osl functions that return an osl error
518 * code. It changes the return value appropriately so that it can be used for
519 * printing the correct error message vi para_strerror().
520 *
521 * \return \a ret if \a ret >= 0, a paraslash error code otherwise.
522 */
523 _static_inline_ int osl(int ret)
524 {
525 if (ret >= 0)
526 return ret;
527 return -OSL_ERRNO_TO_PARA_ERROR(-ret);
528 }
529
530 /**
531 * Define the error list for one subsystem.
532 #
533 * The first entry (index 0) is always the name of the subsystem
534 * Used by macros in config.h (generated by configure).
535 */
536 #define DEFINE_ERRLIST(ss) const char * ss ## _ERRLIST[] = {#ss, ss ## _ERRORS}
537
538 /**
539 * Activate errors for one subsystem.
540 *
541 * Each executable needs only the error lists of those subsystems it is
542 * actually linked with. We always reserve space for NUM_SS char pointers,
543 * but only init those of the needed subsystems. This macro is used by macros
544 * in config.h (generated by configure).
545 */
546 #define PARA_ERRLIST(ss) [SS_ ## ss] = ss ## _ERRLIST
547
548 /**
549 * This is temporarily defined to expand to its first argument (prefixed by
550 * 'E_') and gets later redefined to expand to the error text only
551 */
552 #define PARA_ERROR(err, msg) E_ ## err
553 #include "error2.h"
554 #undef PARA_ERROR
555 /* Rest of the world only sees the error text. */
556 #define PARA_ERROR(err, msg) msg