include/log.h

   1 /* $Id$ */
   2
   3 /* log - a generic logging facility in the spirit of log4j                  */
   4
   5 /* Authors: Martin Quinson                                                  */
   6 /* Copyright (C) 2003, 2004 Martin Quinson.                                 */
   7
   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. */
  10
  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
  15
  16
  17 #ifndef _GRAS_LOG_H_
  18 #define _GRAS_LOG_H_
  19
  20 #include <stdarg.h>
  21
  22 /**
  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)
  33  *
  34  * The different existing priorities.
  35  */
  36 typedef enum {
  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,
  44
  45   gras_log_priority_infinite      = 7,
  46
  47   gras_log_priority_uninitialized = -1
  48 } gras_log_priority_t;
  49
  50
  51 /**
  52  * GRAS_LOG_STATIC_THRESHOLD:
  53  *
  54  * All logging with priority < GRAS_LOG_STATIC_THRESHOLD is disabled at
  55  * compile time, i.e., compiled out.
  56  */
  57 #ifndef GRAS_LOG_STATIC_THRESHOLD
  58 #  define GRAS_LOG_STATIC_THRESHOLD gras_log_priority_none
  59 #endif
  60
  61
  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
  65
  66 /* The root of the category hierarchy. */
  67 #define GRAS_LOG_ROOT_CAT   root
  68
  69 /**
  70  * GRAS_LOG_NEW_SUBCATEGORY:
  71  * @catName: name of new category
  72  * @parent: father of the new category in the tree
  73  *
  74  * Defines a new subcategory of the parent.
  75  */
  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, \
  81         0, 1                                          \
  82     };
  83
  84 /**
  85  * GRAS_LOG_NEW_CATEGORY:
  86  * @catName: name of new category
  87  *
  88  * Creates a new subcategory of the root category.
  89  */
  90 #define GRAS_LOG_NEW_CATEGORY(catName)  GRAS_LOG_NEW_SUBCATEGORY(catName, GRAS_LOG_ROOT_CAT)
  91
  92 /**
  93  * GRAS_LOG_DEFAULT_CATEGORY:
  94  * @cname: name of the cat
  95  *
  96  * Indicates which category is the default one.
  97  */
  98
  99 #ifdef GRAS_LOG_MAYDAY /* debuging the logs themselves */
 100 # define GRAS_LOG_DEFAULT_CATEGORY(cname)
 101 #else
 102 # define GRAS_LOG_DEFAULT_CATEGORY(cname) \
 103          static gras_log_category_t* _GRAS_LOGV(default) = &_GRAS_LOGV(cname)
 104 #endif
 105
 106 /**
 107  * GRAS_LOG_NEW_DEFAULT_CATEGORY:
 108  * @cname: name of the cat
 109  *
 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).
 112  */
 113 #define GRAS_LOG_NEW_DEFAULT_CATEGORY(cname)        \
 114     GRAS_LOG_NEW_CATEGORY(cname)                    \
 115     GRAS_LOG_DEFAULT_CATEGORY(cname)
 116
 117 /**
 118  * GRAS_LOG_NEW_DEFAULT_SUBCATEGORY:
 119  * @cname: name of the cat
 120  * @parent: name of the parent
 121  *
 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).
 124  */
 125 #define GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(cname, parent)     \
 126     GRAS_LOG_NEW_SUBCATEGORY(cname, parent)                 \
 127     GRAS_LOG_DEFAULT_CATEGORY(cname)
 128
 129 /**
 130  * GRAS_LOG_EXTERNAL_CATEGORY:
 131  * @cname: name of the cat
 132  *
 133  * Indicates that a category you'll use in this file (to get subcategories of it,
 134  * for example) really lives in another file.
 135  */
 136
 137 #define GRAS_LOG_EXTERNAL_CATEGORY(cname) \
 138    extern gras_log_category_t _GRAS_LOGV(cname)
 139
 140 // Functions you may call
 141
 142 extern gras_error_t gras_log_control_set(const char* cs);
 143
 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;
 148
 149 /**
 150  * Do NOT access any members of this structure directly.
 151  */
 152 struct gras_log_category_s {
 153   gras_log_category_t *parent;
 154   gras_log_category_t *firstChild, *nextSibling;
 155   const char *name;
 156   int threshold;
 157   int isThreshInherited;
 158   gras_log_appender_t *appender;
 159   int willLogToParent;
 160   // TODO: Formats?
 161 };
 162
 163 struct gras_log_appender_s {
 164   void (*do_append) (gras_log_appender_t* thisLogAppender,
 165                     gras_log_event_t* event);
 166   void *appender_data;
 167 };
 168
 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;
 174   int lineNum;
 175   const char* fmt;
 176   va_list ap;
 177 };
 178
 179 /**
 180  * gras_log_threshold_set:
 181  * @cat: the category (not only its name, but the variable)
 182  * @thresholdPriority: the priority
 183  *
 184  * Programatically alters a category's threshold priority (don't use).
 185  */
 186 extern void gras_log_threshold_set(gras_log_category_t* cat,
 187                                    gras_log_priority_t thresholdPriority);
 188
 189 /**
 190  * gras_log_parent_set:
 191  * @cat: the category (not only its name, but the variable)
 192  * @parent: the parent cat
 193  *
 194  * Programatically alter a category's parent (don't use).
 195  */
 196 extern void gras_log_parent_set(gras_log_category_t* cat,
 197                                 gras_log_category_t* parent);
 198
 199 /**
 200  * gras_log_appender_set:
 201  * @cat: the category (not only its name, but the variable)
 202  * @app: the appender
 203  *
 204  * Programatically sets the category's appender (don't use).
 205  */
 206 extern void gras_log_appender_set(gras_log_category_t* cat,
 207                                   gras_log_appender_t* app);
 208
 209 // Functions that you shouldn't call.
 210 extern void _gras_log_event_log(gras_log_event_t*ev,
 211                                 ...);
 212 extern int _gras_log_cat_init(gras_log_priority_t priority,
 213                               gras_log_category_t* category);
 214
 215
 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;
 219
 220 /**
 221  * GRAS_LOG_ISENABLED:
 222  * @catName: name of the category
 223  * @priority: minimal priority to be enabled to return true
 224  *
 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
 228  * using this macro.
 229  */
 230 #define GRAS_LOG_ISENABLED(catName, priority) \
 231             _GRAS_LOG_ISENABLEDV(_GRAS_LOGV(catName), priority)
 232
 233 /*
 234  * Helper function that implements GRAS_LOG_ISENABLED.
 235  *
 236  * NOTES
 237  * First part is a compile-time constant.
 238  * Call to _log_initCat only happens once.
 239  */
 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)) )
 245
 246 /*
 247  * Internal Macros
 248  * Some kludge macros to ease maintenance. See how they're used below.
 249  *
 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
 255  * code.
 256  * Setting the LogEvent's valist member is done inside _log_logEvent.
 257  */
 258
 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                          \
 265                         );                      \
 266      } } while(0)
 267
 268
 269 /* Logging Macros */
 270
 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)
 279 #else
 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
 287 #endif
 288
 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)
 296
 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)
 304
 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)
 312
 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)
 320
 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)
 328
 329 /**
 330  * CCRITICAL6:
 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
 339  *
 340  * Log something to the current default category under the warning priority.
 341  *
 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.
 345  */
 346
 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)
 354
 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)
 363 #else
 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
 371 #endif
 372
 373 /**
 374  * DEBUG6:
 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
 382  *
 383  * Log something to the current default category under the debug priority.
 384  *
 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.
 388  */
 389
 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)
 397
 398 /**
 399  * VERB6:
 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
 407  *
 408  * Log something to the current default category under the verbose priority.
 409  *
 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.
 413  */
 414
 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)
 422
 423 /**
 424  * INFO6:
 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
 432  *
 433  * Log something to the current default category under the info priority.
 434  *
 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.
 438  */
 439
 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)
 447
 448 /**
 449  * WARNING6:
 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
 457  *
 458  * Log something to the current default category under the warning priority.
 459  *
 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.
 463  */
 464
 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)
 472
 473 /**
 474  * ERROR6:
 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
 482  *
 483  * Log something to the current default category under the error priority.
 484  *
 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.
 488  */
 489
 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)
 497
 498 /**
 499  * CRITICAL6:
 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
 507  *
 508  * Log something to the current default category under the critical priority.
 509  *
 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.
 513  */
 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)
 521
 522 #define GRAS_IN  DEBUG0(">> begin of function")
 523 #define GRAS_OUT DEBUG0("<< end of function")
 524
 525 #endif /* ! _GRAS_LOG_H_ */