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Commit | Line | Data |
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ae71f5de MS |
1 | /* |
2 | * "$Id$" | |
3 | * | |
71e16022 | 4 | * Debugging functions for CUPS. |
ae71f5de | 5 | * |
12f89d24 | 6 | * Copyright 2008-2012 by Apple Inc. |
ae71f5de MS |
7 | * |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Apple Inc. and are protected by Federal copyright | |
10 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
11 | * which should have been included with this file. If this file is | |
12 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
13 | * | |
14 | * This file is subject to the Apple OS-Developed Software exception. | |
15 | * | |
16 | * Contents: | |
17 | * | |
1ff0402e | 18 | * debug_vsnprintf() - Format a string into a fixed size buffer. |
ae71f5de MS |
19 | * _cups_debug_printf() - Write a formatted line to the log. |
20 | * _cups_debug_puts() - Write a single line to the log. | |
7cf5915e | 21 | * _cups_debug_set() - Enable or disable debug logging. |
ae71f5de MS |
22 | */ |
23 | ||
24 | /* | |
25 | * Include necessary headers... | |
26 | */ | |
27 | ||
71e16022 | 28 | #include "cups-private.h" |
6d2f911b | 29 | #include "thread-private.h" |
536bc2c6 | 30 | #ifdef WIN32 |
7cf5915e MS |
31 | # include <sys/timeb.h> |
32 | # include <time.h> | |
536bc2c6 | 33 | # include <io.h> |
7cf5915e | 34 | # define getpid (int)GetCurrentProcessId |
12f89d24 MS |
35 | int /* O - 0 on success, -1 on failure */ |
36 | _cups_gettimeofday(struct timeval *tv, /* I - Timeval struct */ | |
37 | void *tz) /* I - Timezone */ | |
38 | { | |
7cf5915e MS |
39 | struct _timeb timebuffer; /* Time buffer struct */ |
40 | _ftime(&timebuffer); | |
41 | tv->tv_sec = (long)timebuffer.time; | |
12f89d24 | 42 | tv->tv_usec = timebuffer.millitm * 1000; |
7cf5915e MS |
43 | return 0; |
44 | } | |
536bc2c6 MS |
45 | #else |
46 | # include <sys/time.h> | |
47 | # include <unistd.h> | |
48 | #endif /* WIN32 */ | |
7cf5915e | 49 | #include <regex.h> |
12f89d24 | 50 | #include <fcntl.h> |
ae71f5de MS |
51 | |
52 | ||
4509bb49 MS |
53 | /* |
54 | * Globals... | |
55 | */ | |
56 | ||
57 | int _cups_debug_fd = -1; | |
58 | /* Debug log file descriptor */ | |
f11a948a MS |
59 | int _cups_debug_level = 1; |
60 | /* Log level (0 to 9) */ | |
4509bb49 MS |
61 | |
62 | ||
ae71f5de | 63 | #ifdef DEBUG |
4509bb49 MS |
64 | /* |
65 | * Local globals... | |
66 | */ | |
67 | ||
e07d4801 MS |
68 | static regex_t *debug_filter = NULL; |
69 | /* Filter expression for messages */ | |
f11a948a | 70 | static int debug_init = 0; /* Did we initialize debugging? */ |
a469f8a5 | 71 | static _cups_mutex_t debug_init_mutex = _CUPS_MUTEX_INITIALIZER, |
4509bb49 | 72 | /* Mutex to control initialization */ |
a469f8a5 MS |
73 | debug_log_mutex = _CUPS_MUTEX_INITIALIZER; |
74 | /* Mutex to serialize log entries */ | |
75 | ||
76 | ||
77 | /* | |
78 | * 'debug_thread_id()' - Return an integer representing the current thread. | |
79 | */ | |
80 | ||
81 | static int /* O - Local thread ID */ | |
82 | debug_thread_id(void) | |
83 | { | |
84 | _cups_globals_t *cg = _cupsGlobals(); /* Global data */ | |
85 | ||
86 | ||
87 | return (cg->thread_id); | |
88 | } | |
4509bb49 MS |
89 | |
90 | ||
ae71f5de MS |
91 | /* |
92 | * 'debug_vsnprintf()' - Format a string into a fixed size buffer. | |
93 | */ | |
94 | ||
f8b3a85b | 95 | static int /* O - Number of bytes formatted */ |
ae71f5de MS |
96 | debug_vsnprintf(char *buffer, /* O - Output buffer */ |
97 | size_t bufsize, /* O - Size of output buffer */ | |
98 | const char *format, /* I - printf-style format string */ | |
99 | va_list ap) /* I - Pointer to additional arguments */ | |
100 | { | |
101 | char *bufptr, /* Pointer to position in buffer */ | |
102 | *bufend, /* Pointer to end of buffer */ | |
ae71f5de MS |
103 | size, /* Size character (h, l, L) */ |
104 | type; /* Format type character */ | |
105 | int width, /* Width of field */ | |
106 | prec; /* Number of characters of precision */ | |
107 | char tformat[100], /* Temporary format string for sprintf() */ | |
108 | *tptr, /* Pointer into temporary format */ | |
109 | temp[1024]; /* Buffer for formatted numbers */ | |
110 | char *s; /* Pointer to string */ | |
111 | int bytes; /* Total number of bytes needed */ | |
112 | ||
113 | ||
1f0275e3 MS |
114 | if (!buffer || bufsize < 2 || !format) |
115 | return (-1); | |
116 | ||
ae71f5de MS |
117 | /* |
118 | * Loop through the format string, formatting as needed... | |
119 | */ | |
120 | ||
121 | bufptr = buffer; | |
122 | bufend = buffer + bufsize - 1; | |
123 | bytes = 0; | |
124 | ||
125 | while (*format) | |
126 | { | |
127 | if (*format == '%') | |
128 | { | |
129 | tptr = tformat; | |
130 | *tptr++ = *format++; | |
131 | ||
132 | if (*format == '%') | |
133 | { | |
1f0275e3 MS |
134 | if (bufptr < bufend) |
135 | *bufptr++ = *format; | |
ae71f5de MS |
136 | bytes ++; |
137 | format ++; | |
138 | continue; | |
139 | } | |
140 | else if (strchr(" -+#\'", *format)) | |
1f0275e3 | 141 | *tptr++ = *format++; |
ae71f5de MS |
142 | |
143 | if (*format == '*') | |
144 | { | |
145 | /* | |
146 | * Get width from argument... | |
147 | */ | |
148 | ||
149 | format ++; | |
150 | width = va_arg(ap, int); | |
151 | ||
152 | snprintf(tptr, sizeof(tformat) - (tptr - tformat), "%d", width); | |
153 | tptr += strlen(tptr); | |
154 | } | |
155 | else | |
156 | { | |
157 | width = 0; | |
158 | ||
159 | while (isdigit(*format & 255)) | |
160 | { | |
161 | if (tptr < (tformat + sizeof(tformat) - 1)) | |
162 | *tptr++ = *format; | |
163 | ||
164 | width = width * 10 + *format++ - '0'; | |
165 | } | |
166 | } | |
167 | ||
168 | if (*format == '.') | |
169 | { | |
170 | if (tptr < (tformat + sizeof(tformat) - 1)) | |
171 | *tptr++ = *format; | |
172 | ||
173 | format ++; | |
174 | ||
175 | if (*format == '*') | |
176 | { | |
177 | /* | |
178 | * Get precision from argument... | |
179 | */ | |
180 | ||
181 | format ++; | |
182 | prec = va_arg(ap, int); | |
183 | ||
184 | snprintf(tptr, sizeof(tformat) - (tptr - tformat), "%d", prec); | |
185 | tptr += strlen(tptr); | |
186 | } | |
187 | else | |
188 | { | |
189 | prec = 0; | |
190 | ||
191 | while (isdigit(*format & 255)) | |
192 | { | |
193 | if (tptr < (tformat + sizeof(tformat) - 1)) | |
194 | *tptr++ = *format; | |
195 | ||
196 | prec = prec * 10 + *format++ - '0'; | |
197 | } | |
198 | } | |
199 | } | |
ae71f5de MS |
200 | |
201 | if (*format == 'l' && format[1] == 'l') | |
202 | { | |
203 | size = 'L'; | |
204 | ||
205 | if (tptr < (tformat + sizeof(tformat) - 2)) | |
206 | { | |
207 | *tptr++ = 'l'; | |
208 | *tptr++ = 'l'; | |
209 | } | |
210 | ||
211 | format += 2; | |
212 | } | |
213 | else if (*format == 'h' || *format == 'l' || *format == 'L') | |
214 | { | |
215 | if (tptr < (tformat + sizeof(tformat) - 1)) | |
216 | *tptr++ = *format; | |
217 | ||
218 | size = *format++; | |
219 | } | |
1f0275e3 MS |
220 | else |
221 | size = 0; | |
ae71f5de MS |
222 | |
223 | if (!*format) | |
224 | break; | |
225 | ||
226 | if (tptr < (tformat + sizeof(tformat) - 1)) | |
227 | *tptr++ = *format; | |
228 | ||
229 | type = *format++; | |
230 | *tptr = '\0'; | |
231 | ||
232 | switch (type) | |
233 | { | |
234 | case 'E' : /* Floating point formats */ | |
235 | case 'G' : | |
236 | case 'e' : | |
237 | case 'f' : | |
238 | case 'g' : | |
239 | if ((width + 2) > sizeof(temp)) | |
240 | break; | |
241 | ||
242 | sprintf(temp, tformat, va_arg(ap, double)); | |
243 | ||
244 | bytes += (int)strlen(temp); | |
245 | ||
246 | if (bufptr) | |
247 | { | |
5a9febac MS |
248 | strlcpy(bufptr, temp, (size_t)(bufend - bufptr)); |
249 | bufptr += strlen(bufptr); | |
ae71f5de MS |
250 | } |
251 | break; | |
252 | ||
253 | case 'B' : /* Integer formats */ | |
254 | case 'X' : | |
255 | case 'b' : | |
256 | case 'd' : | |
257 | case 'i' : | |
258 | case 'o' : | |
259 | case 'u' : | |
260 | case 'x' : | |
261 | if ((width + 2) > sizeof(temp)) | |
262 | break; | |
263 | ||
6d2f911b | 264 | # ifdef HAVE_LONG_LONG |
ae71f5de MS |
265 | if (size == 'L') |
266 | sprintf(temp, tformat, va_arg(ap, long long)); | |
267 | else | |
6d2f911b | 268 | # endif /* HAVE_LONG_LONG */ |
ae71f5de MS |
269 | if (size == 'l') |
270 | sprintf(temp, tformat, va_arg(ap, long)); | |
271 | else | |
272 | sprintf(temp, tformat, va_arg(ap, int)); | |
273 | ||
274 | bytes += (int)strlen(temp); | |
275 | ||
276 | if (bufptr) | |
277 | { | |
5a9febac MS |
278 | strlcpy(bufptr, temp, (size_t)(bufend - bufptr)); |
279 | bufptr += strlen(bufptr); | |
ae71f5de MS |
280 | } |
281 | break; | |
282 | ||
283 | case 'p' : /* Pointer value */ | |
284 | if ((width + 2) > sizeof(temp)) | |
285 | break; | |
286 | ||
287 | sprintf(temp, tformat, va_arg(ap, void *)); | |
288 | ||
289 | bytes += (int)strlen(temp); | |
290 | ||
291 | if (bufptr) | |
292 | { | |
5a9febac MS |
293 | strlcpy(bufptr, temp, (size_t)(bufend - bufptr)); |
294 | bufptr += strlen(bufptr); | |
ae71f5de MS |
295 | } |
296 | break; | |
297 | ||
298 | case 'c' : /* Character or character array */ | |
299 | bytes += width; | |
300 | ||
301 | if (bufptr) | |
302 | { | |
303 | if (width <= 1) | |
304 | *bufptr++ = va_arg(ap, int); | |
305 | else | |
306 | { | |
307 | if ((bufptr + width) > bufend) | |
308 | width = (int)(bufend - bufptr); | |
309 | ||
310 | memcpy(bufptr, va_arg(ap, char *), (size_t)width); | |
311 | bufptr += width; | |
312 | } | |
313 | } | |
314 | break; | |
315 | ||
316 | case 's' : /* String */ | |
317 | if ((s = va_arg(ap, char *)) == NULL) | |
318 | s = "(null)"; | |
319 | ||
320 | /* | |
321 | * Copy the C string, replacing control chars and \ with | |
322 | * C character escapes... | |
323 | */ | |
324 | ||
325 | for (bufend --; *s && bufptr < bufend; s ++) | |
326 | { | |
327 | if (*s == '\n') | |
328 | { | |
329 | *bufptr++ = '\\'; | |
330 | *bufptr++ = 'n'; | |
12f89d24 | 331 | bytes += 2; |
ae71f5de MS |
332 | } |
333 | else if (*s == '\r') | |
334 | { | |
335 | *bufptr++ = '\\'; | |
336 | *bufptr++ = 'r'; | |
12f89d24 | 337 | bytes += 2; |
ae71f5de MS |
338 | } |
339 | else if (*s == '\t') | |
340 | { | |
341 | *bufptr++ = '\\'; | |
342 | *bufptr++ = 't'; | |
12f89d24 | 343 | bytes += 2; |
ae71f5de MS |
344 | } |
345 | else if (*s == '\\') | |
346 | { | |
347 | *bufptr++ = '\\'; | |
348 | *bufptr++ = '\\'; | |
12f89d24 | 349 | bytes += 2; |
ae71f5de MS |
350 | } |
351 | else if (*s == '\'') | |
352 | { | |
353 | *bufptr++ = '\\'; | |
354 | *bufptr++ = '\''; | |
12f89d24 | 355 | bytes += 2; |
ae71f5de MS |
356 | } |
357 | else if (*s == '\"') | |
358 | { | |
359 | *bufptr++ = '\\'; | |
360 | *bufptr++ = '\"'; | |
12f89d24 | 361 | bytes += 2; |
ae71f5de MS |
362 | } |
363 | else if ((*s & 255) < ' ') | |
364 | { | |
12f89d24 MS |
365 | if ((bufptr + 2) >= bufend) |
366 | break; | |
367 | ||
ae71f5de MS |
368 | *bufptr++ = '\\'; |
369 | *bufptr++ = '0'; | |
370 | *bufptr++ = '0' + *s / 8; | |
371 | *bufptr++ = '0' + (*s & 7); | |
12f89d24 | 372 | bytes += 4; |
ae71f5de MS |
373 | } |
374 | else | |
12f89d24 | 375 | { |
ae71f5de | 376 | *bufptr++ = *s; |
12f89d24 MS |
377 | bytes ++; |
378 | } | |
ae71f5de MS |
379 | } |
380 | ||
381 | bufend ++; | |
382 | break; | |
383 | ||
384 | case 'n' : /* Output number of chars so far */ | |
385 | *(va_arg(ap, int *)) = bytes; | |
386 | break; | |
387 | } | |
388 | } | |
389 | else | |
390 | { | |
391 | bytes ++; | |
392 | ||
1f0275e3 | 393 | if (bufptr < bufend) |
ae71f5de MS |
394 | *bufptr++ = *format; |
395 | ||
396 | format ++; | |
397 | } | |
398 | } | |
399 | ||
400 | /* | |
401 | * Nul-terminate the string and return the number of characters needed. | |
402 | */ | |
403 | ||
404 | *bufptr = '\0'; | |
405 | ||
406 | return (bytes); | |
407 | } | |
408 | ||
409 | ||
410 | /* | |
411 | * '_cups_debug_printf()' - Write a formatted line to the log. | |
412 | */ | |
413 | ||
7cf5915e | 414 | void DLLExport |
ae71f5de MS |
415 | _cups_debug_printf(const char *format, /* I - Printf-style format string */ |
416 | ...) /* I - Additional arguments as needed */ | |
417 | { | |
418 | va_list ap; /* Pointer to arguments */ | |
419 | struct timeval curtime; /* Current time */ | |
420 | char buffer[2048]; /* Output buffer */ | |
421 | size_t bytes; /* Number of bytes in buffer */ | |
e07d4801 | 422 | int level; /* Log level in message */ |
6d2f911b | 423 | |
ae71f5de MS |
424 | |
425 | /* | |
426 | * See if we need to do any logging... | |
427 | */ | |
428 | ||
4509bb49 | 429 | if (!debug_init) |
7cf5915e MS |
430 | _cups_debug_set(getenv("CUPS_DEBUG_LOG"), getenv("CUPS_DEBUG_LEVEL"), |
431 | getenv("CUPS_DEBUG_FILTER"), 0); | |
ae71f5de | 432 | |
4509bb49 | 433 | if (_cups_debug_fd < 0) |
ae71f5de MS |
434 | return; |
435 | ||
e07d4801 MS |
436 | /* |
437 | * Filter as needed... | |
438 | */ | |
439 | ||
440 | if (isdigit(format[0])) | |
441 | level = *format++ - '0'; | |
442 | else | |
443 | level = 0; | |
444 | ||
f11a948a | 445 | if (level > _cups_debug_level) |
e07d4801 MS |
446 | return; |
447 | ||
448 | if (debug_filter) | |
449 | { | |
450 | int result; /* Filter result */ | |
451 | ||
a469f8a5 | 452 | _cupsMutexLock(&debug_init_mutex); |
e07d4801 | 453 | result = regexec(debug_filter, format, 0, NULL, 0); |
a469f8a5 | 454 | _cupsMutexUnlock(&debug_init_mutex); |
e07d4801 MS |
455 | |
456 | if (result) | |
457 | return; | |
458 | } | |
459 | ||
ae71f5de MS |
460 | /* |
461 | * Format the message... | |
462 | */ | |
463 | ||
464 | gettimeofday(&curtime, NULL); | |
a469f8a5 MS |
465 | snprintf(buffer, sizeof(buffer), "T%03d %02d:%02d:%02d.%03d ", |
466 | debug_thread_id(), (int)((curtime.tv_sec / 3600) % 24), | |
ae71f5de MS |
467 | (int)((curtime.tv_sec / 60) % 60), |
468 | (int)(curtime.tv_sec % 60), (int)(curtime.tv_usec / 1000)); | |
469 | ||
470 | va_start(ap, format); | |
a469f8a5 | 471 | bytes = debug_vsnprintf(buffer + 19, sizeof(buffer) - 20, format, ap) + 19; |
ae71f5de MS |
472 | va_end(ap); |
473 | ||
12f89d24 MS |
474 | if (bytes >= (sizeof(buffer) - 1)) |
475 | { | |
476 | buffer[sizeof(buffer) - 2] = '\n'; | |
477 | bytes = sizeof(buffer) - 1; | |
478 | } | |
479 | else if (buffer[bytes - 1] != '\n') | |
ae71f5de | 480 | { |
12f89d24 MS |
481 | buffer[bytes++] = '\n'; |
482 | buffer[bytes] = '\0'; | |
ae71f5de MS |
483 | } |
484 | ||
485 | /* | |
486 | * Write it out... | |
487 | */ | |
488 | ||
a469f8a5 | 489 | _cupsMutexLock(&debug_log_mutex); |
4509bb49 | 490 | write(_cups_debug_fd, buffer, bytes); |
a469f8a5 | 491 | _cupsMutexUnlock(&debug_log_mutex); |
ae71f5de MS |
492 | } |
493 | ||
494 | ||
495 | /* | |
496 | * '_cups_debug_puts()' - Write a single line to the log. | |
497 | */ | |
498 | ||
7cf5915e | 499 | void DLLExport |
ae71f5de MS |
500 | _cups_debug_puts(const char *s) /* I - String to output */ |
501 | { | |
12f89d24 MS |
502 | struct timeval curtime; /* Current time */ |
503 | char buffer[2048]; /* Output buffer */ | |
504 | size_t bytes; /* Number of bytes in buffer */ | |
505 | int level; /* Log level in message */ | |
506 | ||
507 | ||
508 | /* | |
509 | * See if we need to do any logging... | |
510 | */ | |
e07d4801 | 511 | |
12f89d24 MS |
512 | if (!debug_init) |
513 | _cups_debug_set(getenv("CUPS_DEBUG_LOG"), getenv("CUPS_DEBUG_LEVEL"), | |
514 | getenv("CUPS_DEBUG_FILTER"), 0); | |
7cf5915e | 515 | |
12f89d24 MS |
516 | if (_cups_debug_fd < 0) |
517 | return; | |
e07d4801 | 518 | |
12f89d24 MS |
519 | /* |
520 | * Filter as needed... | |
521 | */ | |
522 | ||
523 | if (isdigit(s[0])) | |
524 | level = *s++ - '0'; | |
525 | else | |
526 | level = 0; | |
527 | ||
528 | if (level > _cups_debug_level) | |
529 | return; | |
530 | ||
531 | if (debug_filter) | |
532 | { | |
533 | int result; /* Filter result */ | |
534 | ||
a469f8a5 | 535 | _cupsMutexLock(&debug_init_mutex); |
12f89d24 | 536 | result = regexec(debug_filter, s, 0, NULL, 0); |
a469f8a5 | 537 | _cupsMutexUnlock(&debug_init_mutex); |
12f89d24 MS |
538 | |
539 | if (result) | |
540 | return; | |
541 | } | |
542 | ||
543 | /* | |
544 | * Format the message... | |
545 | */ | |
546 | ||
547 | gettimeofday(&curtime, NULL); | |
a469f8a5 MS |
548 | bytes = snprintf(buffer, sizeof(buffer), "T%03d %02d:%02d:%02d.%03d %s", |
549 | debug_thread_id(), (int)((curtime.tv_sec / 3600) % 24), | |
12f89d24 MS |
550 | (int)((curtime.tv_sec / 60) % 60), |
551 | (int)(curtime.tv_sec % 60), (int)(curtime.tv_usec / 1000), | |
552 | s); | |
553 | ||
554 | if (bytes >= (sizeof(buffer) - 1)) | |
555 | { | |
556 | buffer[sizeof(buffer) - 2] = '\n'; | |
557 | bytes = sizeof(buffer) - 1; | |
558 | } | |
559 | else if (buffer[bytes - 1] != '\n') | |
560 | { | |
561 | buffer[bytes++] = '\n'; | |
562 | buffer[bytes] = '\0'; | |
563 | } | |
564 | ||
565 | /* | |
566 | * Write it out... | |
567 | */ | |
568 | ||
a469f8a5 | 569 | _cupsMutexLock(&debug_log_mutex); |
12f89d24 | 570 | write(_cups_debug_fd, buffer, bytes); |
a469f8a5 | 571 | _cupsMutexUnlock(&debug_log_mutex); |
ae71f5de | 572 | } |
7cf5915e MS |
573 | |
574 | ||
575 | /* | |
576 | * '_cups_debug_set()' - Enable or disable debug logging. | |
577 | */ | |
578 | ||
579 | void DLLExport | |
580 | _cups_debug_set(const char *logfile, /* I - Log file or NULL */ | |
581 | const char *level, /* I - Log level or NULL */ | |
582 | const char *filter, /* I - Filter string or NULL */ | |
583 | int force) /* I - Force initialization */ | |
584 | { | |
a469f8a5 | 585 | _cupsMutexLock(&debug_init_mutex); |
7cf5915e MS |
586 | |
587 | if (!debug_init || force) | |
588 | { | |
589 | /* | |
590 | * Restore debug settings to defaults... | |
591 | */ | |
592 | ||
593 | if (_cups_debug_fd != -1) | |
594 | { | |
595 | close(_cups_debug_fd); | |
596 | _cups_debug_fd = -1; | |
597 | } | |
598 | ||
599 | if (debug_filter) | |
600 | { | |
601 | regfree((regex_t *)debug_filter); | |
602 | debug_filter = NULL; | |
603 | } | |
604 | ||
605 | _cups_debug_level = 1; | |
606 | ||
607 | /* | |
608 | * Open logs, set log levels, etc. | |
609 | */ | |
610 | ||
611 | if (!logfile) | |
612 | _cups_debug_fd = -1; | |
613 | else if (!strcmp(logfile, "-")) | |
614 | _cups_debug_fd = 2; | |
615 | else | |
616 | { | |
617 | char buffer[1024]; /* Filename buffer */ | |
618 | ||
619 | snprintf(buffer, sizeof(buffer), logfile, getpid()); | |
620 | ||
621 | if (buffer[0] == '+') | |
622 | _cups_debug_fd = open(buffer + 1, O_WRONLY | O_APPEND | O_CREAT, 0644); | |
623 | else | |
624 | _cups_debug_fd = open(buffer, O_WRONLY | O_TRUNC | O_CREAT, 0644); | |
625 | } | |
626 | ||
627 | if (level) | |
628 | _cups_debug_level = atoi(level); | |
629 | ||
630 | if (filter) | |
631 | { | |
632 | if ((debug_filter = (regex_t *)calloc(1, sizeof(regex_t))) == NULL) | |
633 | fputs("Unable to allocate memory for CUPS_DEBUG_FILTER - results not " | |
634 | "filtered!\n", stderr); | |
635 | else if (regcomp(debug_filter, filter, REG_EXTENDED)) | |
636 | { | |
637 | fputs("Bad regular expression in CUPS_DEBUG_FILTER - results not " | |
638 | "filtered!\n", stderr); | |
639 | free(debug_filter); | |
640 | debug_filter = NULL; | |
641 | } | |
642 | } | |
643 | ||
644 | debug_init = 1; | |
645 | } | |
646 | ||
a469f8a5 | 647 | _cupsMutexUnlock(&debug_init_mutex); |
7cf5915e | 648 | } |
ae71f5de MS |
649 | #endif /* DEBUG */ |
650 | ||
651 | ||
652 | /* | |
653 | * End of "$Id$". | |
654 | */ |