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Commit | Line | Data |
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ae71f5de MS |
1 | /* |
2 | * "$Id$" | |
3 | * | |
7e86f2f6 | 4 | * Debugging functions for CUPS. |
ae71f5de | 5 | * |
7e86f2f6 | 6 | * Copyright 2008-2014 by Apple Inc. |
ae71f5de | 7 | * |
7e86f2f6 MS |
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/". | |
ae71f5de | 13 | * |
7e86f2f6 | 14 | * This file is subject to the Apple OS-Developed Software exception. |
ae71f5de MS |
15 | */ |
16 | ||
17 | /* | |
18 | * Include necessary headers... | |
19 | */ | |
20 | ||
71e16022 | 21 | #include "cups-private.h" |
6d2f911b | 22 | #include "thread-private.h" |
536bc2c6 | 23 | #ifdef WIN32 |
7cf5915e MS |
24 | # include <sys/timeb.h> |
25 | # include <time.h> | |
536bc2c6 | 26 | # include <io.h> |
7cf5915e | 27 | # define getpid (int)GetCurrentProcessId |
12f89d24 MS |
28 | int /* O - 0 on success, -1 on failure */ |
29 | _cups_gettimeofday(struct timeval *tv, /* I - Timeval struct */ | |
30 | void *tz) /* I - Timezone */ | |
31 | { | |
7cf5915e MS |
32 | struct _timeb timebuffer; /* Time buffer struct */ |
33 | _ftime(&timebuffer); | |
34 | tv->tv_sec = (long)timebuffer.time; | |
12f89d24 | 35 | tv->tv_usec = timebuffer.millitm * 1000; |
7cf5915e MS |
36 | return 0; |
37 | } | |
536bc2c6 MS |
38 | #else |
39 | # include <sys/time.h> | |
40 | # include <unistd.h> | |
41 | #endif /* WIN32 */ | |
7cf5915e | 42 | #include <regex.h> |
12f89d24 | 43 | #include <fcntl.h> |
ae71f5de MS |
44 | |
45 | ||
4509bb49 MS |
46 | /* |
47 | * Globals... | |
48 | */ | |
49 | ||
50 | int _cups_debug_fd = -1; | |
51 | /* Debug log file descriptor */ | |
f11a948a MS |
52 | int _cups_debug_level = 1; |
53 | /* Log level (0 to 9) */ | |
4509bb49 MS |
54 | |
55 | ||
ae71f5de | 56 | #ifdef DEBUG |
4509bb49 MS |
57 | /* |
58 | * Local globals... | |
59 | */ | |
60 | ||
e07d4801 MS |
61 | static regex_t *debug_filter = NULL; |
62 | /* Filter expression for messages */ | |
f11a948a | 63 | static int debug_init = 0; /* Did we initialize debugging? */ |
a469f8a5 | 64 | static _cups_mutex_t debug_init_mutex = _CUPS_MUTEX_INITIALIZER, |
4509bb49 | 65 | /* Mutex to control initialization */ |
a469f8a5 MS |
66 | debug_log_mutex = _CUPS_MUTEX_INITIALIZER; |
67 | /* Mutex to serialize log entries */ | |
68 | ||
69 | ||
70 | /* | |
71 | * 'debug_thread_id()' - Return an integer representing the current thread. | |
72 | */ | |
73 | ||
74 | static int /* O - Local thread ID */ | |
75 | debug_thread_id(void) | |
76 | { | |
77 | _cups_globals_t *cg = _cupsGlobals(); /* Global data */ | |
78 | ||
79 | ||
80 | return (cg->thread_id); | |
81 | } | |
4509bb49 MS |
82 | |
83 | ||
ae71f5de MS |
84 | /* |
85 | * 'debug_vsnprintf()' - Format a string into a fixed size buffer. | |
86 | */ | |
87 | ||
7e86f2f6 | 88 | static ssize_t /* O - Number of bytes formatted */ |
ae71f5de MS |
89 | debug_vsnprintf(char *buffer, /* O - Output buffer */ |
90 | size_t bufsize, /* O - Size of output buffer */ | |
91 | const char *format, /* I - printf-style format string */ | |
92 | va_list ap) /* I - Pointer to additional arguments */ | |
93 | { | |
94 | char *bufptr, /* Pointer to position in buffer */ | |
95 | *bufend, /* Pointer to end of buffer */ | |
ae71f5de MS |
96 | size, /* Size character (h, l, L) */ |
97 | type; /* Format type character */ | |
98 | int width, /* Width of field */ | |
99 | prec; /* Number of characters of precision */ | |
100 | char tformat[100], /* Temporary format string for sprintf() */ | |
101 | *tptr, /* Pointer into temporary format */ | |
102 | temp[1024]; /* Buffer for formatted numbers */ | |
103 | char *s; /* Pointer to string */ | |
7e86f2f6 | 104 | ssize_t bytes; /* Total number of bytes needed */ |
ae71f5de MS |
105 | |
106 | ||
1f0275e3 MS |
107 | if (!buffer || bufsize < 2 || !format) |
108 | return (-1); | |
109 | ||
ae71f5de MS |
110 | /* |
111 | * Loop through the format string, formatting as needed... | |
112 | */ | |
113 | ||
114 | bufptr = buffer; | |
115 | bufend = buffer + bufsize - 1; | |
116 | bytes = 0; | |
117 | ||
118 | while (*format) | |
119 | { | |
120 | if (*format == '%') | |
121 | { | |
122 | tptr = tformat; | |
123 | *tptr++ = *format++; | |
124 | ||
125 | if (*format == '%') | |
126 | { | |
1f0275e3 MS |
127 | if (bufptr < bufend) |
128 | *bufptr++ = *format; | |
ae71f5de MS |
129 | bytes ++; |
130 | format ++; | |
131 | continue; | |
132 | } | |
133 | else if (strchr(" -+#\'", *format)) | |
1f0275e3 | 134 | *tptr++ = *format++; |
ae71f5de MS |
135 | |
136 | if (*format == '*') | |
137 | { | |
138 | /* | |
139 | * Get width from argument... | |
140 | */ | |
141 | ||
142 | format ++; | |
143 | width = va_arg(ap, int); | |
144 | ||
7e86f2f6 | 145 | snprintf(tptr, sizeof(tformat) - (size_t)(tptr - tformat), "%d", width); |
ae71f5de MS |
146 | tptr += strlen(tptr); |
147 | } | |
148 | else | |
149 | { | |
150 | width = 0; | |
151 | ||
152 | while (isdigit(*format & 255)) | |
153 | { | |
154 | if (tptr < (tformat + sizeof(tformat) - 1)) | |
155 | *tptr++ = *format; | |
156 | ||
157 | width = width * 10 + *format++ - '0'; | |
158 | } | |
159 | } | |
160 | ||
161 | if (*format == '.') | |
162 | { | |
163 | if (tptr < (tformat + sizeof(tformat) - 1)) | |
164 | *tptr++ = *format; | |
165 | ||
166 | format ++; | |
167 | ||
168 | if (*format == '*') | |
169 | { | |
170 | /* | |
171 | * Get precision from argument... | |
172 | */ | |
173 | ||
174 | format ++; | |
175 | prec = va_arg(ap, int); | |
176 | ||
7e86f2f6 | 177 | snprintf(tptr, sizeof(tformat) - (size_t)(tptr - tformat), "%d", prec); |
ae71f5de MS |
178 | tptr += strlen(tptr); |
179 | } | |
180 | else | |
181 | { | |
182 | prec = 0; | |
183 | ||
184 | while (isdigit(*format & 255)) | |
185 | { | |
186 | if (tptr < (tformat + sizeof(tformat) - 1)) | |
187 | *tptr++ = *format; | |
188 | ||
189 | prec = prec * 10 + *format++ - '0'; | |
190 | } | |
191 | } | |
192 | } | |
ae71f5de MS |
193 | |
194 | if (*format == 'l' && format[1] == 'l') | |
195 | { | |
196 | size = 'L'; | |
197 | ||
198 | if (tptr < (tformat + sizeof(tformat) - 2)) | |
199 | { | |
200 | *tptr++ = 'l'; | |
201 | *tptr++ = 'l'; | |
202 | } | |
203 | ||
204 | format += 2; | |
205 | } | |
206 | else if (*format == 'h' || *format == 'l' || *format == 'L') | |
207 | { | |
208 | if (tptr < (tformat + sizeof(tformat) - 1)) | |
209 | *tptr++ = *format; | |
210 | ||
211 | size = *format++; | |
212 | } | |
1f0275e3 MS |
213 | else |
214 | size = 0; | |
ae71f5de MS |
215 | |
216 | if (!*format) | |
217 | break; | |
218 | ||
219 | if (tptr < (tformat + sizeof(tformat) - 1)) | |
220 | *tptr++ = *format; | |
221 | ||
222 | type = *format++; | |
223 | *tptr = '\0'; | |
224 | ||
225 | switch (type) | |
226 | { | |
227 | case 'E' : /* Floating point formats */ | |
228 | case 'G' : | |
229 | case 'e' : | |
230 | case 'f' : | |
231 | case 'g' : | |
7e86f2f6 | 232 | if ((size_t)(width + 2) > sizeof(temp)) |
ae71f5de MS |
233 | break; |
234 | ||
235 | sprintf(temp, tformat, va_arg(ap, double)); | |
236 | ||
237 | bytes += (int)strlen(temp); | |
238 | ||
239 | if (bufptr) | |
240 | { | |
5a9febac MS |
241 | strlcpy(bufptr, temp, (size_t)(bufend - bufptr)); |
242 | bufptr += strlen(bufptr); | |
ae71f5de MS |
243 | } |
244 | break; | |
245 | ||
246 | case 'B' : /* Integer formats */ | |
247 | case 'X' : | |
248 | case 'b' : | |
249 | case 'd' : | |
250 | case 'i' : | |
251 | case 'o' : | |
252 | case 'u' : | |
253 | case 'x' : | |
7e86f2f6 | 254 | if ((size_t)(width + 2) > sizeof(temp)) |
ae71f5de MS |
255 | break; |
256 | ||
6d2f911b | 257 | # ifdef HAVE_LONG_LONG |
ae71f5de MS |
258 | if (size == 'L') |
259 | sprintf(temp, tformat, va_arg(ap, long long)); | |
260 | else | |
6d2f911b | 261 | # endif /* HAVE_LONG_LONG */ |
ae71f5de MS |
262 | if (size == 'l') |
263 | sprintf(temp, tformat, va_arg(ap, long)); | |
264 | else | |
265 | sprintf(temp, tformat, va_arg(ap, int)); | |
266 | ||
267 | bytes += (int)strlen(temp); | |
268 | ||
269 | if (bufptr) | |
270 | { | |
5a9febac MS |
271 | strlcpy(bufptr, temp, (size_t)(bufend - bufptr)); |
272 | bufptr += strlen(bufptr); | |
ae71f5de MS |
273 | } |
274 | break; | |
275 | ||
276 | case 'p' : /* Pointer value */ | |
7e86f2f6 | 277 | if ((size_t)(width + 2) > sizeof(temp)) |
ae71f5de MS |
278 | break; |
279 | ||
280 | sprintf(temp, tformat, va_arg(ap, void *)); | |
281 | ||
282 | bytes += (int)strlen(temp); | |
283 | ||
284 | if (bufptr) | |
285 | { | |
5a9febac MS |
286 | strlcpy(bufptr, temp, (size_t)(bufend - bufptr)); |
287 | bufptr += strlen(bufptr); | |
ae71f5de MS |
288 | } |
289 | break; | |
290 | ||
291 | case 'c' : /* Character or character array */ | |
292 | bytes += width; | |
293 | ||
294 | if (bufptr) | |
295 | { | |
296 | if (width <= 1) | |
7e86f2f6 | 297 | *bufptr++ = (char)va_arg(ap, int); |
ae71f5de MS |
298 | else |
299 | { | |
300 | if ((bufptr + width) > bufend) | |
301 | width = (int)(bufend - bufptr); | |
302 | ||
303 | memcpy(bufptr, va_arg(ap, char *), (size_t)width); | |
304 | bufptr += width; | |
305 | } | |
306 | } | |
307 | break; | |
308 | ||
309 | case 's' : /* String */ | |
310 | if ((s = va_arg(ap, char *)) == NULL) | |
311 | s = "(null)"; | |
312 | ||
313 | /* | |
314 | * Copy the C string, replacing control chars and \ with | |
315 | * C character escapes... | |
316 | */ | |
317 | ||
318 | for (bufend --; *s && bufptr < bufend; s ++) | |
319 | { | |
320 | if (*s == '\n') | |
321 | { | |
322 | *bufptr++ = '\\'; | |
323 | *bufptr++ = 'n'; | |
12f89d24 | 324 | bytes += 2; |
ae71f5de MS |
325 | } |
326 | else if (*s == '\r') | |
327 | { | |
328 | *bufptr++ = '\\'; | |
329 | *bufptr++ = 'r'; | |
12f89d24 | 330 | bytes += 2; |
ae71f5de MS |
331 | } |
332 | else if (*s == '\t') | |
333 | { | |
334 | *bufptr++ = '\\'; | |
335 | *bufptr++ = 't'; | |
12f89d24 | 336 | bytes += 2; |
ae71f5de MS |
337 | } |
338 | else if (*s == '\\') | |
339 | { | |
340 | *bufptr++ = '\\'; | |
341 | *bufptr++ = '\\'; | |
12f89d24 | 342 | bytes += 2; |
ae71f5de MS |
343 | } |
344 | else if (*s == '\'') | |
345 | { | |
346 | *bufptr++ = '\\'; | |
347 | *bufptr++ = '\''; | |
12f89d24 | 348 | bytes += 2; |
ae71f5de MS |
349 | } |
350 | else if (*s == '\"') | |
351 | { | |
352 | *bufptr++ = '\\'; | |
353 | *bufptr++ = '\"'; | |
12f89d24 | 354 | bytes += 2; |
ae71f5de MS |
355 | } |
356 | else if ((*s & 255) < ' ') | |
357 | { | |
12f89d24 MS |
358 | if ((bufptr + 2) >= bufend) |
359 | break; | |
360 | ||
ae71f5de MS |
361 | *bufptr++ = '\\'; |
362 | *bufptr++ = '0'; | |
363 | *bufptr++ = '0' + *s / 8; | |
364 | *bufptr++ = '0' + (*s & 7); | |
12f89d24 | 365 | bytes += 4; |
ae71f5de MS |
366 | } |
367 | else | |
12f89d24 | 368 | { |
ae71f5de | 369 | *bufptr++ = *s; |
12f89d24 MS |
370 | bytes ++; |
371 | } | |
ae71f5de MS |
372 | } |
373 | ||
374 | bufend ++; | |
375 | break; | |
376 | ||
377 | case 'n' : /* Output number of chars so far */ | |
7e86f2f6 | 378 | *(va_arg(ap, int *)) = (int)bytes; |
ae71f5de MS |
379 | break; |
380 | } | |
381 | } | |
382 | else | |
383 | { | |
384 | bytes ++; | |
385 | ||
1f0275e3 | 386 | if (bufptr < bufend) |
ae71f5de MS |
387 | *bufptr++ = *format; |
388 | ||
389 | format ++; | |
390 | } | |
391 | } | |
392 | ||
393 | /* | |
394 | * Nul-terminate the string and return the number of characters needed. | |
395 | */ | |
396 | ||
397 | *bufptr = '\0'; | |
398 | ||
399 | return (bytes); | |
400 | } | |
401 | ||
402 | ||
403 | /* | |
404 | * '_cups_debug_printf()' - Write a formatted line to the log. | |
405 | */ | |
406 | ||
7cf5915e | 407 | void DLLExport |
ae71f5de MS |
408 | _cups_debug_printf(const char *format, /* I - Printf-style format string */ |
409 | ...) /* I - Additional arguments as needed */ | |
410 | { | |
411 | va_list ap; /* Pointer to arguments */ | |
412 | struct timeval curtime; /* Current time */ | |
413 | char buffer[2048]; /* Output buffer */ | |
7e86f2f6 | 414 | ssize_t bytes; /* Number of bytes in buffer */ |
e07d4801 | 415 | int level; /* Log level in message */ |
6d2f911b | 416 | |
ae71f5de MS |
417 | |
418 | /* | |
419 | * See if we need to do any logging... | |
420 | */ | |
421 | ||
4509bb49 | 422 | if (!debug_init) |
7cf5915e MS |
423 | _cups_debug_set(getenv("CUPS_DEBUG_LOG"), getenv("CUPS_DEBUG_LEVEL"), |
424 | getenv("CUPS_DEBUG_FILTER"), 0); | |
ae71f5de | 425 | |
4509bb49 | 426 | if (_cups_debug_fd < 0) |
ae71f5de MS |
427 | return; |
428 | ||
e07d4801 MS |
429 | /* |
430 | * Filter as needed... | |
431 | */ | |
432 | ||
433 | if (isdigit(format[0])) | |
434 | level = *format++ - '0'; | |
435 | else | |
436 | level = 0; | |
437 | ||
f11a948a | 438 | if (level > _cups_debug_level) |
e07d4801 MS |
439 | return; |
440 | ||
441 | if (debug_filter) | |
442 | { | |
443 | int result; /* Filter result */ | |
444 | ||
a469f8a5 | 445 | _cupsMutexLock(&debug_init_mutex); |
e07d4801 | 446 | result = regexec(debug_filter, format, 0, NULL, 0); |
a469f8a5 | 447 | _cupsMutexUnlock(&debug_init_mutex); |
e07d4801 MS |
448 | |
449 | if (result) | |
450 | return; | |
451 | } | |
452 | ||
ae71f5de MS |
453 | /* |
454 | * Format the message... | |
455 | */ | |
456 | ||
457 | gettimeofday(&curtime, NULL); | |
a469f8a5 MS |
458 | snprintf(buffer, sizeof(buffer), "T%03d %02d:%02d:%02d.%03d ", |
459 | debug_thread_id(), (int)((curtime.tv_sec / 3600) % 24), | |
ae71f5de MS |
460 | (int)((curtime.tv_sec / 60) % 60), |
461 | (int)(curtime.tv_sec % 60), (int)(curtime.tv_usec / 1000)); | |
462 | ||
463 | va_start(ap, format); | |
a469f8a5 | 464 | bytes = debug_vsnprintf(buffer + 19, sizeof(buffer) - 20, format, ap) + 19; |
ae71f5de MS |
465 | va_end(ap); |
466 | ||
7e86f2f6 | 467 | if ((size_t)bytes >= (sizeof(buffer) - 1)) |
12f89d24 MS |
468 | { |
469 | buffer[sizeof(buffer) - 2] = '\n'; | |
470 | bytes = sizeof(buffer) - 1; | |
471 | } | |
472 | else if (buffer[bytes - 1] != '\n') | |
ae71f5de | 473 | { |
12f89d24 MS |
474 | buffer[bytes++] = '\n'; |
475 | buffer[bytes] = '\0'; | |
ae71f5de MS |
476 | } |
477 | ||
478 | /* | |
479 | * Write it out... | |
480 | */ | |
481 | ||
a469f8a5 | 482 | _cupsMutexLock(&debug_log_mutex); |
7e86f2f6 | 483 | write(_cups_debug_fd, buffer, (size_t)bytes); |
a469f8a5 | 484 | _cupsMutexUnlock(&debug_log_mutex); |
ae71f5de MS |
485 | } |
486 | ||
487 | ||
488 | /* | |
489 | * '_cups_debug_puts()' - Write a single line to the log. | |
490 | */ | |
491 | ||
7cf5915e | 492 | void DLLExport |
ae71f5de MS |
493 | _cups_debug_puts(const char *s) /* I - String to output */ |
494 | { | |
12f89d24 MS |
495 | struct timeval curtime; /* Current time */ |
496 | char buffer[2048]; /* Output buffer */ | |
7e86f2f6 | 497 | ssize_t bytes; /* Number of bytes in buffer */ |
12f89d24 MS |
498 | int level; /* Log level in message */ |
499 | ||
500 | ||
501 | /* | |
502 | * See if we need to do any logging... | |
503 | */ | |
e07d4801 | 504 | |
12f89d24 MS |
505 | if (!debug_init) |
506 | _cups_debug_set(getenv("CUPS_DEBUG_LOG"), getenv("CUPS_DEBUG_LEVEL"), | |
507 | getenv("CUPS_DEBUG_FILTER"), 0); | |
7cf5915e | 508 | |
12f89d24 MS |
509 | if (_cups_debug_fd < 0) |
510 | return; | |
e07d4801 | 511 | |
12f89d24 MS |
512 | /* |
513 | * Filter as needed... | |
514 | */ | |
515 | ||
516 | if (isdigit(s[0])) | |
517 | level = *s++ - '0'; | |
518 | else | |
519 | level = 0; | |
520 | ||
521 | if (level > _cups_debug_level) | |
522 | return; | |
523 | ||
524 | if (debug_filter) | |
525 | { | |
526 | int result; /* Filter result */ | |
527 | ||
a469f8a5 | 528 | _cupsMutexLock(&debug_init_mutex); |
12f89d24 | 529 | result = regexec(debug_filter, s, 0, NULL, 0); |
a469f8a5 | 530 | _cupsMutexUnlock(&debug_init_mutex); |
12f89d24 MS |
531 | |
532 | if (result) | |
533 | return; | |
534 | } | |
535 | ||
536 | /* | |
537 | * Format the message... | |
538 | */ | |
539 | ||
540 | gettimeofday(&curtime, NULL); | |
a469f8a5 MS |
541 | bytes = snprintf(buffer, sizeof(buffer), "T%03d %02d:%02d:%02d.%03d %s", |
542 | debug_thread_id(), (int)((curtime.tv_sec / 3600) % 24), | |
12f89d24 MS |
543 | (int)((curtime.tv_sec / 60) % 60), |
544 | (int)(curtime.tv_sec % 60), (int)(curtime.tv_usec / 1000), | |
545 | s); | |
546 | ||
7e86f2f6 | 547 | if ((size_t)bytes >= (sizeof(buffer) - 1)) |
12f89d24 MS |
548 | { |
549 | buffer[sizeof(buffer) - 2] = '\n'; | |
550 | bytes = sizeof(buffer) - 1; | |
551 | } | |
552 | else if (buffer[bytes - 1] != '\n') | |
553 | { | |
554 | buffer[bytes++] = '\n'; | |
555 | buffer[bytes] = '\0'; | |
556 | } | |
557 | ||
558 | /* | |
559 | * Write it out... | |
560 | */ | |
561 | ||
a469f8a5 | 562 | _cupsMutexLock(&debug_log_mutex); |
7e86f2f6 | 563 | write(_cups_debug_fd, buffer, (size_t)bytes); |
a469f8a5 | 564 | _cupsMutexUnlock(&debug_log_mutex); |
ae71f5de | 565 | } |
7cf5915e MS |
566 | |
567 | ||
568 | /* | |
569 | * '_cups_debug_set()' - Enable or disable debug logging. | |
570 | */ | |
571 | ||
572 | void DLLExport | |
573 | _cups_debug_set(const char *logfile, /* I - Log file or NULL */ | |
574 | const char *level, /* I - Log level or NULL */ | |
575 | const char *filter, /* I - Filter string or NULL */ | |
576 | int force) /* I - Force initialization */ | |
577 | { | |
a469f8a5 | 578 | _cupsMutexLock(&debug_init_mutex); |
7cf5915e MS |
579 | |
580 | if (!debug_init || force) | |
581 | { | |
582 | /* | |
583 | * Restore debug settings to defaults... | |
584 | */ | |
585 | ||
586 | if (_cups_debug_fd != -1) | |
587 | { | |
588 | close(_cups_debug_fd); | |
589 | _cups_debug_fd = -1; | |
590 | } | |
591 | ||
592 | if (debug_filter) | |
593 | { | |
594 | regfree((regex_t *)debug_filter); | |
595 | debug_filter = NULL; | |
596 | } | |
597 | ||
598 | _cups_debug_level = 1; | |
599 | ||
600 | /* | |
601 | * Open logs, set log levels, etc. | |
602 | */ | |
603 | ||
604 | if (!logfile) | |
605 | _cups_debug_fd = -1; | |
606 | else if (!strcmp(logfile, "-")) | |
607 | _cups_debug_fd = 2; | |
608 | else | |
609 | { | |
610 | char buffer[1024]; /* Filename buffer */ | |
611 | ||
612 | snprintf(buffer, sizeof(buffer), logfile, getpid()); | |
613 | ||
614 | if (buffer[0] == '+') | |
615 | _cups_debug_fd = open(buffer + 1, O_WRONLY | O_APPEND | O_CREAT, 0644); | |
616 | else | |
617 | _cups_debug_fd = open(buffer, O_WRONLY | O_TRUNC | O_CREAT, 0644); | |
618 | } | |
619 | ||
620 | if (level) | |
621 | _cups_debug_level = atoi(level); | |
622 | ||
623 | if (filter) | |
624 | { | |
625 | if ((debug_filter = (regex_t *)calloc(1, sizeof(regex_t))) == NULL) | |
626 | fputs("Unable to allocate memory for CUPS_DEBUG_FILTER - results not " | |
627 | "filtered!\n", stderr); | |
628 | else if (regcomp(debug_filter, filter, REG_EXTENDED)) | |
629 | { | |
630 | fputs("Bad regular expression in CUPS_DEBUG_FILTER - results not " | |
631 | "filtered!\n", stderr); | |
632 | free(debug_filter); | |
633 | debug_filter = NULL; | |
634 | } | |
635 | } | |
636 | ||
637 | debug_init = 1; | |
638 | } | |
639 | ||
a469f8a5 | 640 | _cupsMutexUnlock(&debug_init_mutex); |
7cf5915e | 641 | } |
ae71f5de MS |
642 | #endif /* DEBUG */ |
643 | ||
644 | ||
645 | /* | |
646 | * End of "$Id$". | |
647 | */ |