3 /* log - a generic logging facility in the spirit of log4j */
5 /* Authors: Martin Quinson */
6 /* Copyright (C) 2003, 2004 Martin Quinson. */
8 /* This program is free software; you can redistribute it and/or modify it
9 under the terms of the license (GNU LGPL) which comes with this package. */
11 /* GRAS_LOG_MAYDAY: define this to replace the logging facilities with basic
12 printf function. Useful to debug the logging facilities themselves */
13 #undef GRAS_LOG_MAYDAY
14 //#define GRAS_LOG_MAYDAY
23 * gras_log_priority_t:
24 * @gras_log_priority_none: used internally (don't poke with)
25 * @gras_log_priority_debug: crufty output
26 * @gras_log_priority_verbose: verbose output for the user wanting more
27 * @gras_log_priority_info: output about the regular functionning
28 * @gras_log_priority_warning: minor issue encountered
29 * @gras_log_priority_error: issue encountered
30 * @gras_log_priority_critical: major issue encountered
31 * @gras_log_priority_infinite: value for GRAS_LOG_STATIC_THRESHOLD to not log
32 * @gras_log_priority_uninitialized: used internally (don't poke with)
34 * The different existing priorities.
37 gras_log_priority_none = 0,
38 gras_log_priority_debug = 1,
39 gras_log_priority_verbose = 2,
40 gras_log_priority_info = 3,
41 gras_log_priority_warning = 4,
42 gras_log_priority_error = 5,
43 gras_log_priority_critical = 6,
45 gras_log_priority_infinite = 7,
47 gras_log_priority_uninitialized = -1
48 } gras_log_priority_t;
52 * GRAS_LOG_STATIC_THRESHOLD:
54 * All logging with priority < GRAS_LOG_STATIC_THRESHOLD is disabled at
55 * compile time, i.e., compiled out.
57 #ifndef GRAS_LOG_STATIC_THRESHOLD
58 # define GRAS_LOG_STATIC_THRESHOLD gras_log_priority_none
62 /* Transforms a category name to a global variable name. */
63 #define _GRAS_LOGV(cat) _GRAS_LOG_CONCAT(_gras_this_log_category_does_not_exist__, cat)
64 #define _GRAS_LOG_CONCAT(x,y) x ## y
66 /* The root of the category hierarchy. */
67 #define GRAS_LOG_ROOT_CAT root
70 * GRAS_LOG_NEW_SUBCATEGORY:
71 * @catName: name of new category
72 * @parent: father of the new category in the tree
74 * Defines a new subcategory of the parent.
76 #define GRAS_LOG_NEW_SUBCATEGORY(catName, parent) \
77 extern gras_log_category_t _GRAS_LOGV(parent); \
78 gras_log_category_t _GRAS_LOGV(catName) = { \
79 &_GRAS_LOGV(parent), 0, 0, \
80 #catName, gras_log_priority_uninitialized, 1, \
85 * GRAS_LOG_NEW_CATEGORY:
86 * @catName: name of new category
88 * Creates a new subcategory of the root category.
90 #define GRAS_LOG_NEW_CATEGORY(catName) GRAS_LOG_NEW_SUBCATEGORY(catName, GRAS_LOG_ROOT_CAT)
93 * GRAS_LOG_DEFAULT_CATEGORY:
94 * @cname: name of the cat
96 * Indicates which category is the default one.
99 #ifdef GRAS_LOG_MAYDAY /* debuging the logs themselves */
100 # define GRAS_LOG_DEFAULT_CATEGORY(cname)
102 # define GRAS_LOG_DEFAULT_CATEGORY(cname) \
103 static gras_log_category_t* _GRAS_LOGV(default) = &_GRAS_LOGV(cname)
107 * GRAS_LOG_NEW_DEFAULT_CATEGORY:
108 * @cname: name of the cat
110 * Creates a new subcategory of the root category and makes it the default
111 * (used by macros that don't explicitly specify a category).
113 #define GRAS_LOG_NEW_DEFAULT_CATEGORY(cname) \
114 GRAS_LOG_NEW_CATEGORY(cname) \
115 GRAS_LOG_DEFAULT_CATEGORY(cname)
118 * GRAS_LOG_NEW_DEFAULT_SUBCATEGORY:
119 * @cname: name of the cat
120 * @parent: name of the parent
122 * Creates a new subcategory of the parent category and makes it the default
123 * (used by macros that don't explicitly specify a category).
125 #define GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(cname, parent) \
126 GRAS_LOG_NEW_SUBCATEGORY(cname, parent) \
127 GRAS_LOG_DEFAULT_CATEGORY(cname)
130 * GRAS_LOG_EXTERNAL_CATEGORY:
131 * @cname: name of the cat
133 * Indicates that a category you'll use in this file (to get subcategories of it,
134 * for example) really lives in another file.
137 #define GRAS_LOG_EXTERNAL_CATEGORY(cname) \
138 extern gras_log_category_t _GRAS_LOGV(cname)
140 // Functions you may call
142 extern gras_error_t gras_log_control_set(const char* cs);
144 // Forward declarations
145 typedef struct gras_log_appender_s gras_log_appender_t;
146 typedef struct gras_log_event_s gras_log_event_t;
147 typedef struct gras_log_category_s gras_log_category_t;
150 * Do NOT access any members of this structure directly.
152 struct gras_log_category_s {
153 gras_log_category_t *parent;
154 gras_log_category_t *firstChild, *nextSibling;
157 int isThreshInherited;
158 gras_log_appender_t *appender;
163 struct gras_log_appender_s {
164 void (*do_append) (gras_log_appender_t* thisLogAppender,
165 gras_log_event_t* event);
169 struct gras_log_event_s {
170 gras_log_category_t* cat;
171 gras_log_priority_t priority;
172 const char* fileName;
173 const char* functionName;
180 * gras_log_threshold_set:
181 * @cat: the category (not only its name, but the variable)
182 * @thresholdPriority: the priority
184 * Programatically alters a category's threshold priority (don't use).
186 extern void gras_log_threshold_set(gras_log_category_t* cat,
187 gras_log_priority_t thresholdPriority);
190 * gras_log_parent_set:
191 * @cat: the category (not only its name, but the variable)
192 * @parent: the parent cat
194 * Programatically alter a category's parent (don't use).
196 extern void gras_log_parent_set(gras_log_category_t* cat,
197 gras_log_category_t* parent);
200 * gras_log_appender_set:
201 * @cat: the category (not only its name, but the variable)
204 * Programatically sets the category's appender (don't use).
206 extern void gras_log_appender_set(gras_log_category_t* cat,
207 gras_log_appender_t* app);
209 // Functions that you shouldn't call.
210 extern void _gras_log_event_log(gras_log_event_t*ev,
212 extern int _gras_log_cat_init(gras_log_priority_t priority,
213 gras_log_category_t* category);
216 extern gras_log_category_t _GRAS_LOGV(GRAS_LOG_ROOT_CAT);
217 GRAS_LOG_EXTERNAL_CATEGORY(GRAS);
218 extern gras_log_appender_t *gras_log_default_appender;
221 * GRAS_LOG_ISENABLED:
222 * @catName: name of the category
223 * @priority: minimal priority to be enabled to return true
225 * Returns true if the given priority is enabled for the category.
226 * If you have expensive expressions that are computed outside of the log
227 * command and used only within it, you should make its evaluation conditional
230 #define GRAS_LOG_ISENABLED(catName, priority) \
231 _GRAS_LOG_ISENABLEDV(_GRAS_LOGV(catName), priority)
234 * Helper function that implements GRAS_LOG_ISENABLED.
237 * First part is a compile-time constant.
238 * Call to _log_initCat only happens once.
240 #define _GRAS_LOG_ISENABLEDV(catv, priority) \
241 (priority >= GRAS_LOG_STATIC_THRESHOLD \
242 && priority >= catv.threshold \
243 && (catv.threshold != gras_log_priority_uninitialized \
244 || _gras_log_cat_init(priority, &catv)) )
248 * Some kludge macros to ease maintenance. See how they're used below.
250 * IMPLEMENTATION NOTE: To reduce the parameter passing overhead of an enabled
251 * message, the many parameters passed to the logging function are packed in a
252 * structure. Since these values will be usually be passed to at least 3
253 * functions, this is a win.
254 * It also allows adding new values (such as a timestamp) without breaking
256 * Setting the LogEvent's valist member is done inside _log_logEvent.
259 #define _GRAS_LOG_PRE(catv, priority, fmt) do { \
260 if (_GRAS_LOG_ISENABLEDV(catv, priority)) { \
261 gras_log_event_t _log_ev = \
262 {&(catv),priority,__FILE__,__FUNCTION__,__LINE__,fmt}; \
263 _gras_log_event_log(&_log_ev
264 #define _GRAS_LOG_POST \
271 #ifdef GRAS_LOG_MAYDAY
272 # define CLOG0(c, p, f) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__)
273 # define CLOG1(c, p, f,a1) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1)
274 # define CLOG2(c, p, f,a1,a2) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2)
275 # define CLOG3(c, p, f,a1,a2,a3) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3)
276 # define CLOG4(c, p, f,a1,a2,a3,a4) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4)
277 # define CLOG5(c, p, f,a1,a2,a3,a4,a5) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5)
278 # define CLOG6(c, p, f,a1,a2,a3,a4,a5,a6) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6)
280 # define CLOG0(c, p, f) _GRAS_LOG_PRE(_GRAS_LOGV(c),p,f) _GRAS_LOG_POST
281 # define CLOG1(c, p, f,a1) _GRAS_LOG_PRE(_GRAS_LOGV(c),p,f) ,a1 _GRAS_LOG_POST
282 # define CLOG2(c, p, f,a1,a2) _GRAS_LOG_PRE(_GRAS_LOGV(c),p,f) ,a1,a2 _GRAS_LOG_POST
283 # define CLOG3(c, p, f,a1,a2,a3) _GRAS_LOG_PRE(_GRAS_LOGV(c),p,f) ,a1,a2,a3 _GRAS_LOG_POST
284 # define CLOG4(c, p, f,a1,a2,a3,a4) _GRAS_LOG_PRE(_GRAS_LOGV(c),p,f) ,a1,a2,a3,a4 _GRAS_LOG_POST
285 # define CLOG5(c, p, f,a1,a2,a3,a4,a5) _GRAS_LOG_PRE(_GRAS_LOGV(c),p,f) ,a1,a2,a3,a4,a5 _GRAS_LOG_POST
286 # define CLOG6(c, p, f,a1,a2,a3,a4,a5,a6) _GRAS_LOG_PRE(_GRAS_LOGV(c),p,f) ,a1,a2,a3,a4,a5,a6 _GRAS_LOG_POST
289 #define CDEBUG0(c, f) CLOG0(c, gras_log_priority_debug, f)
290 #define CDEBUG1(c, f,a1) CLOG1(c, gras_log_priority_debug, f,a1)
291 #define CDEBUG2(c, f,a1,a2) CLOG2(c, gras_log_priority_debug, f,a1,a2)
292 #define CDEBUG3(c, f,a1,a2,a3) CLOG3(c, gras_log_priority_debug, f,a1,a2,a3)
293 #define CDEBUG4(c, f,a1,a2,a3,a4) CLOG4(c, gras_log_priority_debug, f,a1,a2,a3,a4)
294 #define CDEBUG5(c, f,a1,a2,a3,a4,a5) CLOG5(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5)
295 #define CDEBUG6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6)
297 #define CVERB0(c, f) CLOG0(c, gras_log_priority_verbose, f)
298 #define CVERB1(c, f,a1) CLOG1(c, gras_log_priority_verbose, f,a1)
299 #define CVERB2(c, f,a1,a2) CLOG2(c, gras_log_priority_verbose, f,a1,a2)
300 #define CVERB3(c, f,a1,a2,a3) CLOG3(c, gras_log_priority_verbose, f,a1,a2,a3)
301 #define CVERB4(c, f,a1,a2,a3,a4) CLOG4(c, gras_log_priority_verbose, f,a1,a2,a3,a4)
302 #define CVERB5(c, f,a1,a2,a3,a4,a5) CLOG5(c, gras_log_priority_verbose, f,a1,a2,a3,a4,a5)
303 #define CVERB6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_verbose, f,a1,a2,a3,a4,a5,a6)
305 #define CINFO0(c, f) CLOG0(c, gras_log_priority_info, f)
306 #define CINFO1(c, f,a1) CLOG1(c, gras_log_priority_info, f,a1)
307 #define CINFO2(c, f,a1,a2) CLOG2(c, gras_log_priority_info, f,a1,a2)
308 #define CINFO3(c, f,a1,a2,a3) CLOG3(c, gras_log_priority_info, f,a1,a2,a3)
309 #define CINFO4(c, f,a1,a2,a3,a4) CLOG4(c, gras_log_priority_info, f,a1,a2,a3,a4)
310 #define CINFO5(c, f,a1,a2,a3,a4,a5) CLOG5(c, gras_log_priority_info, f,a1,a2,a3,a4,a5)
311 #define CINFO6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_info, f,a1,a2,a3,a4,a5,a6)
313 #define CWARNING0(c, f) CLOG0(c, gras_log_priority_warning, f)
314 #define CWARNING1(c, f,a1) CLOG1(c, gras_log_priority_warning, f,a1)
315 #define CWARNING2(c, f,a1,a2) CLOG2(c, gras_log_priority_warning, f,a1,a2)
316 #define CWARNING3(c, f,a1,a2,a3) CLOG3(c, gras_log_priority_warning, f,a1,a2,a3)
317 #define CWARNING4(c, f,a1,a2,a3,a4) CLOG4(c, gras_log_priority_warning, f,a1,a2,a3,a4)
318 #define CWARNING5(c, f,a1,a2,a3,a4,a5) CLOG5(c, gras_log_priority_warning, f,a1,a2,a3,a4,a5)
319 #define CWARNING6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_warning, f,a1,a2,a3,a4,a5,a6)
321 #define CERROR0(c, f) CLOG0(c, gras_log_priority_error, f)
322 #define CERROR1(c, f,a1) CLOG1(c, gras_log_priority_error, f,a1)
323 #define CERROR2(c, f,a1,a2) CLOG2(c, gras_log_priority_error, f,a1,a2)
324 #define CERROR3(c, f,a1,a2,a3) CLOG3(c, gras_log_priority_error, f,a1,a2,a3)
325 #define CERROR4(c, f,a1,a2,a3,a4) CLOG4(c, gras_log_priority_error, f,a1,a2,a3,a4)
326 #define CERROR5(c, f,a1,a2,a3,a4,a5) CLOG5(c, gras_log_priority_error, f,a1,a2,a3,a4,a5)
327 #define CERROR6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_error, f,a1,a2,a3,a4,a5,a6)
331 * @c: the category to log into
332 * @f: the format string
333 * @a1: first argument of the format
334 * @a2: second argument of the format
335 * @a3: third argument of the format
336 * @a4: fourth argument of the format
337 * @a5: fifth argument of the format
338 * @a6: sixth argument of the format
340 * Log something to the current default category under the warning priority.
342 * The macros CCRITICAL0 ... CCRITICAL5 naturally also exist, but are not listed here
343 * for sake of clarity. They just differ in the number of arguments passed
344 * along with the format string.
347 #define CCRITICAL0(c, f) CLOG0(c, gras_log_priority_critical, f)
348 #define CCRITICAL1(c, f,a1) CLOG1(c, gras_log_priority_critical, f,a1)
349 #define CCRITICAL2(c, f,a1,a2) CLOG2(c, gras_log_priority_critical, f,a1,a2)
350 #define CCRITICAL3(c, f,a1,a2,a3) CLOG3(c, gras_log_priority_critical, f,a1,a2,a3)
351 #define CCRITICAL4(c, f,a1,a2,a3,a4) CLOG4(c, gras_log_priority_critical, f,a1,a2,a3,a4)
352 #define CCRITICAL5(c, f,a1,a2,a3,a4,a5) CLOG5(c, gras_log_priority_critical, f,a1,a2,a3,a4,a5)
353 #define CCRITICAL6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_critical, f,a1,a2,a3,a4,a5,a6)
355 #ifdef GRAS_LOG_MAYDAY
356 # define LOG0(p, f) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__)
357 # define LOG1(p, f,a1) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1)
358 # define LOG2(p, f,a1,a2) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2)
359 # define LOG3(p, f,a1,a2,a3) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3)
360 # define LOG4(p, f,a1,a2,a3,a4) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4)
361 # define LOG5(p, f,a1,a2,a3,a4,a5) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5)
362 # define LOG6(p, f,a1,a2,a3,a4,a5,a6) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6)
364 # define LOG0(p, f) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p,f) _GRAS_LOG_POST
365 # define LOG1(p, f,a1) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p,f) ,a1 _GRAS_LOG_POST
366 # define LOG2(p, f,a1,a2) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p,f) ,a1,a2 _GRAS_LOG_POST
367 # define LOG3(p, f,a1,a2,a3) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p,f) ,a1,a2,a3 _GRAS_LOG_POST
368 # define LOG4(p, f,a1,a2,a3,a4) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p,f) ,a1,a2,a3,a4 _GRAS_LOG_POST
369 # define LOG5(p, f,a1,a2,a3,a4,a5) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p,f) ,a1,a2,a3,a4,a5 _GRAS_LOG_POST
370 # define LOG6(p, f,a1,a2,a3,a4,a5,a6) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p,f) ,a1,a2,a3,a4,a5,a6 _GRAS_LOG_POST
375 * @f: the format string
376 * @a1: first argument of the format
377 * @a2: second argument of the format
378 * @a3: third argument of the format
379 * @a4: fourth argument of the format
380 * @a5: fifth argument of the format
381 * @a6: sixth argument of the format
383 * Log something to the current default category under the debug priority.
385 * The macros DEBUG0 ... DEBUG5 naturally also exist, but are not listed here
386 * for sake of clarity. They just differ in the number of arguments passed
387 * along with the format string.
390 #define DEBUG0(f) LOG0(gras_log_priority_debug, f)
391 #define DEBUG1(f,a1) LOG1(gras_log_priority_debug, f,a1)
392 #define DEBUG2(f,a1,a2) LOG2(gras_log_priority_debug, f,a1,a2)
393 #define DEBUG3(f,a1,a2,a3) LOG3(gras_log_priority_debug, f,a1,a2,a3)
394 #define DEBUG4(f,a1,a2,a3,a4) LOG4(gras_log_priority_debug, f,a1,a2,a3,a4)
395 #define DEBUG5(f,a1,a2,a3,a4,a5) LOG5(gras_log_priority_debug, f,a1,a2,a3,a4,a5)
396 #define DEBUG6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6)
400 * @f: the format string
401 * @a1: first argument of the format
402 * @a2: second argument of the format
403 * @a3: third argument of the format
404 * @a4: fourth argument of the format
405 * @a5: fifth argument of the format
406 * @a6: sixth argument of the format
408 * Log something to the current default category under the verbose priority.
410 * The macros VERB0 ... VERB5 naturally also exist, but are not listed here
411 * for sake of clarity. They just differ in the number of arguments passed
412 * along with the format string.
415 #define VERB0(f) LOG0(gras_log_priority_verbose, f)
416 #define VERB1(f,a1) LOG1(gras_log_priority_verbose, f,a1)
417 #define VERB2(f,a1,a2) LOG2(gras_log_priority_verbose, f,a1,a2)
418 #define VERB3(f,a1,a2,a3) LOG3(gras_log_priority_verbose, f,a1,a2,a3)
419 #define VERB4(f,a1,a2,a3,a4) LOG4(gras_log_priority_verbose, f,a1,a2,a3,a4)
420 #define VERB5(f,a1,a2,a3,a4,a5) LOG5(gras_log_priority_verbose, f,a1,a2,a3,a4,a5)
421 #define VERB6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_verbose, f,a1,a2,a3,a4,a5,a6)
425 * @f: the format string
426 * @a1: first argument of the format
427 * @a2: second argument of the format
428 * @a3: third argument of the format
429 * @a4: fourth argument of the format
430 * @a5: fifth argument of the format
431 * @a6: sixth argument of the format
433 * Log something to the current default category under the info priority.
435 * The macros INFO0 ... INFO5 naturally also exist, but are not listed here
436 * for sake of clarity. They just differ in the number of arguments passed
437 * along with the format string.
440 #define INFO0(f) LOG0(gras_log_priority_info, f)
441 #define INFO1(f,a1) LOG1(gras_log_priority_info, f,a1)
442 #define INFO2(f,a1,a2) LOG2(gras_log_priority_info, f,a1,a2)
443 #define INFO3(f,a1,a2,a3) LOG3(gras_log_priority_info, f,a1,a2,a3)
444 #define INFO4(f,a1,a2,a3,a4) LOG4(gras_log_priority_info, f,a1,a2,a3,a4)
445 #define INFO5(f,a1,a2,a3,a4,a5) LOG5(gras_log_priority_info, f,a1,a2,a3,a4,a5)
446 #define INFO6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_info, f,a1,a2,a3,a4,a5,a6)
450 * @f: the format string
451 * @a1: first argument of the format
452 * @a2: second argument of the format
453 * @a3: third argument of the format
454 * @a4: fourth argument of the format
455 * @a5: fifth argument of the format
456 * @a6: sixth argument of the format
458 * Log something to the current default category under the warning priority.
460 * The macros WARNING0 ... WARNING5 naturally also exist, but are not listed here
461 * for sake of clarity. They just differ in the number of arguments passed
462 * along with the format string.
465 #define WARNING0(f) LOG0(gras_log_priority_warning, f)
466 #define WARNING1(f,a1) LOG1(gras_log_priority_warning, f,a1)
467 #define WARNING2(f,a1,a2) LOG2(gras_log_priority_warning, f,a1,a2)
468 #define WARNING3(f,a1,a2,a3) LOG3(gras_log_priority_warning, f,a1,a2,a3)
469 #define WARNING4(f,a1,a2,a3,a4) LOG4(gras_log_priority_warning, f,a1,a2,a3,a4)
470 #define WARNING5(f,a1,a2,a3,a4,a5) LOG5(gras_log_priority_warning, f,a1,a2,a3,a4,a5)
471 #define WARNING6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_warning, f,a1,a2,a3,a4,a5,a6)
475 * @f: the format string
476 * @a1: first argument of the format
477 * @a2: second argument of the format
478 * @a3: third argument of the format
479 * @a4: fourth argument of the format
480 * @a5: fifth argument of the format
481 * @a6: sixth argument of the format
483 * Log something to the current default category under the error priority.
485 * The macros ERROR0 ... ERROR5 naturally also exist, but are not listed here
486 * for sake of clarity. They just differ in the number of arguments passed
487 * along with the format string.
490 #define ERROR0(f) LOG0(gras_log_priority_error, f)
491 #define ERROR1(f,a1) LOG1(gras_log_priority_error, f,a1)
492 #define ERROR2(f,a1,a2) LOG2(gras_log_priority_error, f,a1,a2)
493 #define ERROR3(f,a1,a2,a3) LOG3(gras_log_priority_error, f,a1,a2,a3)
494 #define ERROR4(f,a1,a2,a3,a4) LOG4(gras_log_priority_error, f,a1,a2,a3,a4)
495 #define ERROR5(f,a1,a2,a3,a4,a5) LOG5(gras_log_priority_error, f,a1,a2,a3,a4,a5)
496 #define ERROR6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_error, f,a1,a2,a3,a4,a5,a6)
500 * @f: the format string
501 * @a1: first argument of the format
502 * @a2: second argument of the format
503 * @a3: third argument of the format
504 * @a4: fourth argument of the format
505 * @a5: fifth argument of the format
506 * @a6: sixth argument of the format
508 * Log something to the current default category under the critical priority.
510 * The macros CRITICAL0 ... CRITICAL5 naturally also exist, but are not listed here
511 * for sake of clarity. They just differ in the number of arguments passed
512 * along with the format string.
514 #define CRITICAL0(f) LOG0(gras_log_priority_critical, f)
515 #define CRITICAL1(f,a1) LOG1(gras_log_priority_critical, f,a1)
516 #define CRITICAL2(f,a1,a2) LOG2(gras_log_priority_critical, f,a1,a2)
517 #define CRITICAL3(f,a1,a2,a3) LOG3(gras_log_priority_critical, f,a1,a2,a3)
518 #define CRITICAL4(f,a1,a2,a3,a4) LOG4(gras_log_priority_critical, f,a1,a2,a3,a4)
519 #define CRITICAL5(f,a1,a2,a3,a4,a5) LOG5(gras_log_priority_critical, f,a1,a2,a3,a4,a5)
520 #define CRITICAL6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_critical, f,a1,a2,a3,a4,a5,a6)
522 #define GRAS_IN DEBUG0(">> begin of function")
523 #define GRAS_OUT DEBUG0("<< end of function")
525 #endif /* ! _GRAS_LOG_H_ */