include/gras/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, const char *fmt);
 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   va_list ap;
 176 };
 177
 178 /**
 179  * gras_log_threshold_set:
 180  * @cat: the category (not only its name, but the variable)
 181  * @thresholdPriority: the priority
 182  *
 183  * Programatically alters a category's threshold priority (don't use).
 184  */
 185 extern void gras_log_threshold_set(gras_log_category_t* cat,
 186                                    gras_log_priority_t thresholdPriority);
 187
 188 /**
 189  * gras_log_parent_set:
 190  * @cat: the category (not only its name, but the variable)
 191  * @parent: the parent cat
 192  *
 193  * Programatically alter a category's parent (don't use).
 194  */
 195 extern void gras_log_parent_set(gras_log_category_t* cat,
 196                                 gras_log_category_t* parent);
 197
 198 /**
 199  * gras_log_appender_set:
 200  * @cat: the category (not only its name, but the variable)
 201  * @app: the appender
 202  *
 203  * Programatically sets the category's appender (don't use).
 204  */
 205 extern void gras_log_appender_set(gras_log_category_t* cat,
 206                                   gras_log_appender_t* app);
 207
 208 // Functions that you shouldn't call.
 209 extern void _gras_log_event_log(gras_log_event_t*ev,
 210                                 const char *fmt,
 211                                 ...)
 212 #ifdef __GNUC__
 213      __attribute__ ((format (printf, 2, 3)))
 214 #endif
 215 ;
 216
 217 extern int _gras_log_cat_init(gras_log_priority_t priority,
 218                               gras_log_category_t* category);
 219
 220
 221 extern gras_log_category_t _GRAS_LOGV(GRAS_LOG_ROOT_CAT);
 222 GRAS_LOG_EXTERNAL_CATEGORY(GRAS);
 223 extern gras_log_appender_t *gras_log_default_appender;
 224
 225 /**
 226  * GRAS_LOG_ISENABLED:
 227  * @catName: name of the category
 228  * @priority: minimal priority to be enabled to return true
 229  *
 230  * Returns true if the given priority is enabled for the category.
 231  * If you have expensive expressions that are computed outside of the log
 232  * command and used only within it, you should make its evaluation conditional
 233  * using this macro.
 234  */
 235 #define GRAS_LOG_ISENABLED(catName, priority) \
 236             _GRAS_LOG_ISENABLEDV(_GRAS_LOGV(catName), priority)
 237
 238 /*
 239  * Helper function that implements GRAS_LOG_ISENABLED.
 240  *
 241  * NOTES
 242  * First part is a compile-time constant.
 243  * Call to _log_initCat only happens once.
 244  */
 245 #define _GRAS_LOG_ISENABLEDV(catv, priority)                  \
 246        (priority >= GRAS_LOG_STATIC_THRESHOLD                 \
 247         && priority >= catv.threshold                         \
 248         && (catv.threshold != gras_log_priority_uninitialized \
 249             || _gras_log_cat_init(priority, &catv)) )
 250
 251 /*
 252  * Internal Macros
 253  * Some kludge macros to ease maintenance. See how they're used below.
 254  *
 255  * IMPLEMENTATION NOTE: To reduce the parameter passing overhead of an enabled
 256  * message, the many parameters passed to the logging function are packed in a
 257  * structure. Since these values will be usually be passed to at least 3
 258  * functions, this is a win.
 259  * It also allows adding new values (such as a timestamp) without breaking
 260  * code.
 261  * Setting the LogEvent's valist member is done inside _log_logEvent.
 262  */
 263
 264 #define _GRAS_LOG_PRE(catv, priority) do {                              \
 265      if (_GRAS_LOG_ISENABLEDV(catv, priority)) {                        \
 266          gras_log_event_t _log_ev =                                     \
 267              {&(catv),priority,__FILE__,__FUNCTION__,__LINE__};         \
 268          _gras_log_event_log(&_log_ev
 269
 270 #define _GRAS_LOG_POST                          \
 271                         );                      \
 272      } } while(0)
 273
 274
 275 /* Logging Macros */
 276
 277 #ifdef GRAS_LOG_MAYDAY
 278 # define CLOG0(c, p, f)                   fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__)
 279 # define CLOG1(c, p, f,a1)                fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1)
 280 # define CLOG2(c, p, f,a1,a2)             fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2)
 281 # define CLOG3(c, p, f,a1,a2,a3)          fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3)
 282 # define CLOG4(c, p, f,a1,a2,a3,a4)       fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4)
 283 # define CLOG5(c, p, f,a1,a2,a3,a4,a5)    fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5)
 284 # 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)
 285 # define CLOG7(c, p, f,a1,a2,a3,a4,a5,a6,a7) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6,a7)
 286 # define CLOG8(c, p, f,a1,a2,a3,a4,a5,a6,a7,a8) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6,a7,a8)
 287 #else
 288 # define CLOG0(c, p, f)                   _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f _GRAS_LOG_POST
 289 # define CLOG1(c, p, f,a1)                _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1 _GRAS_LOG_POST
 290 # define CLOG2(c, p, f,a1,a2)             _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2 _GRAS_LOG_POST
 291 # define CLOG3(c, p, f,a1,a2,a3)          _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3 _GRAS_LOG_POST
 292 # define CLOG4(c, p, f,a1,a2,a3,a4)       _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4 _GRAS_LOG_POST
 293 # 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
 294 # 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
 295 # define CLOG7(c, p, f,a1,a2,a3,a4,a5,a6,a7) _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4,a5,a6,a7 _GRAS_LOG_POST
 296 # define CLOG8(c, p, f,a1,a2,a3,a4,a5,a6,a7,a8) _GRAS_LOG_PRE(_GRAS_LOGV(c),p) ,f,a1,a2,a3,a4,a5,a6,a7,a8 _GRAS_LOG_POST
 297 #endif
 298
 299 #define CDEBUG0(c, f)                   CLOG0(c, gras_log_priority_debug, f)
 300 #define CDEBUG1(c, f,a1)                CLOG1(c, gras_log_priority_debug, f,a1)
 301 #define CDEBUG2(c, f,a1,a2)             CLOG2(c, gras_log_priority_debug, f,a1,a2)
 302 #define CDEBUG3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_debug, f,a1,a2,a3)
 303 #define CDEBUG4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_debug, f,a1,a2,a3,a4)
 304 #define CDEBUG5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5)
 305 #define CDEBUG6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6)
 306 #define CDEBUG7(c, f,a1,a2,a3,a4,a5,a6,a7) CLOG7(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6,a7)
 307 #define CDEBUG8(c, f,a1,a2,a3,a4,a5,a6,a7,a8) CLOG8(c, gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6,a7,a8)
 308
 309 #define CVERB0(c, f)                   CLOG0(c, gras_log_priority_verbose, f)
 310 #define CVERB1(c, f,a1)                CLOG1(c, gras_log_priority_verbose, f,a1)
 311 #define CVERB2(c, f,a1,a2)             CLOG2(c, gras_log_priority_verbose, f,a1,a2)
 312 #define CVERB3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_verbose, f,a1,a2,a3)
 313 #define CVERB4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_verbose, f,a1,a2,a3,a4)
 314 #define CVERB5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_verbose, f,a1,a2,a3,a4,a5)
 315 #define CVERB6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_verbose, f,a1,a2,a3,a4,a5,a6)
 316
 317 #define CINFO0(c, f)                   CLOG0(c, gras_log_priority_info, f)
 318 #define CINFO1(c, f,a1)                CLOG1(c, gras_log_priority_info, f,a1)
 319 #define CINFO2(c, f,a1,a2)             CLOG2(c, gras_log_priority_info, f,a1,a2)
 320 #define CINFO3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_info, f,a1,a2,a3)
 321 #define CINFO4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_info, f,a1,a2,a3,a4)
 322 #define CINFO5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_info, f,a1,a2,a3,a4,a5)
 323 #define CINFO6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_info, f,a1,a2,a3,a4,a5,a6)
 324
 325 #define CWARN0(c, f)                   CLOG0(c, gras_log_priority_warning, f)
 326 #define CWARN1(c, f,a1)                CLOG1(c, gras_log_priority_warning, f,a1)
 327 #define CWARN2(c, f,a1,a2)             CLOG2(c, gras_log_priority_warning, f,a1,a2)
 328 #define CWARN3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_warning, f,a1,a2,a3)
 329 #define CWARN4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_warning, f,a1,a2,a3,a4)
 330 #define CWARN5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_warning, f,a1,a2,a3,a4,a5)
 331 #define CWARN6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_warning, f,a1,a2,a3,a4,a5,a6)
 332
 333 #define CERROR0(c, f)                   CLOG0(c, gras_log_priority_error, f)
 334 #define CERROR1(c, f,a1)                CLOG1(c, gras_log_priority_error, f,a1)
 335 #define CERROR2(c, f,a1,a2)             CLOG2(c, gras_log_priority_error, f,a1,a2)
 336 #define CERROR3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_error, f,a1,a2,a3)
 337 #define CERROR4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_error, f,a1,a2,a3,a4)
 338 #define CERROR5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_error, f,a1,a2,a3,a4,a5)
 339 #define CERROR6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_error, f,a1,a2,a3,a4,a5,a6)
 340
 341 /**
 342  * CCRITICAL6:
 343  * @c: the category to log into
 344  * @f: the format string
 345  * @a1: first argument of the format
 346  * @a2: second argument of the format
 347  * @a3: third argument of the format
 348  * @a4: fourth argument of the format
 349  * @a5: fifth argument of the format
 350  * @a6: sixth argument of the format
 351  *
 352  * Log something to the current default category under the warning priority.
 353  *
 354  * The macros CCRITICAL0 ... CCRITICAL5 naturally also exist, but are not listed here
 355  * for sake of clarity. They just differ in the number of arguments passed
 356  * along with the format string.
 357  */
 358
 359 #define CCRITICAL0(c, f)                   CLOG0(c, gras_log_priority_critical, f)
 360 #define CCRITICAL1(c, f,a1)                CLOG1(c, gras_log_priority_critical, f,a1)
 361 #define CCRITICAL2(c, f,a1,a2)             CLOG2(c, gras_log_priority_critical, f,a1,a2)
 362 #define CCRITICAL3(c, f,a1,a2,a3)          CLOG3(c, gras_log_priority_critical, f,a1,a2,a3)
 363 #define CCRITICAL4(c, f,a1,a2,a3,a4)       CLOG4(c, gras_log_priority_critical, f,a1,a2,a3,a4)
 364 #define CCRITICAL5(c, f,a1,a2,a3,a4,a5)    CLOG5(c, gras_log_priority_critical, f,a1,a2,a3,a4,a5)
 365 #define CCRITICAL6(c, f,a1,a2,a3,a4,a5,a6) CLOG6(c, gras_log_priority_critical, f,a1,a2,a3,a4,a5,a6)
 366
 367 #ifdef GRAS_LOG_MAYDAY
 368 # define LOG0(p, f)                   fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__)
 369 # define LOG1(p, f,a1)                fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1)
 370 # define LOG2(p, f,a1,a2)             fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2)
 371 # define LOG3(p, f,a1,a2,a3)          fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3)
 372 # define LOG4(p, f,a1,a2,a3,a4)       fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4)
 373 # define LOG5(p, f,a1,a2,a3,a4,a5)    fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5)
 374 # define LOG6(p, f,a1,a2,a3,a4,a5,a6) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6)
 375 # define LOG7(p, f,a1,a2,a3,a4,a5,a6,a7) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6,a7)
 376 # define LOG8(p, f,a1,a2,a3,a4,a5,a6,a7,a8) fprintf(stderr,"%s:%d:" f "\n",__FILE__,__LINE__,a1,a2,a3,a4,a5,a6,a7,a8)
 377 #else
 378 # define LOG0(p, f)                   _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f _GRAS_LOG_POST
 379 # define LOG1(p, f,a1)                _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1 _GRAS_LOG_POST
 380 # define LOG2(p, f,a1,a2)             _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2 _GRAS_LOG_POST
 381 # define LOG3(p, f,a1,a2,a3)          _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3 _GRAS_LOG_POST
 382 # define LOG4(p, f,a1,a2,a3,a4)       _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4 _GRAS_LOG_POST
 383 # 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
 384 # 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
 385 # define LOG7(p, f,a1,a2,a3,a4,a5,a6,a7) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4,a5,a6,a7 _GRAS_LOG_POST
 386 # define LOG8(p, f,a1,a2,a3,a4,a5,a6,a7,a8) _GRAS_LOG_PRE((*_GRAS_LOGV(default)),p) ,f,a1,a2,a3,a4,a5,a6,a7,a8 _GRAS_LOG_POST
 387 #endif
 388
 389 /**
 390  * DEBUG6:
 391  * @f: the format string
 392  * @a1: first argument of the format
 393  * @a2: second argument of the format
 394  * @a3: third argument of the format
 395  * @a4: fourth argument of the format
 396  * @a5: fifth argument of the format
 397  * @a6: sixth argument of the format
 398  *
 399  * Log something to the current default category under the debug priority.
 400  *
 401  * The macros DEBUG0 ... DEBUG5 naturally also exist, but are not listed here
 402  * for sake of clarity. They just differ in the number of arguments passed
 403  * along with the format string.
 404  */
 405
 406 #define DEBUG0(f)                   LOG0(gras_log_priority_debug, f)
 407 #define DEBUG1(f,a1)                LOG1(gras_log_priority_debug, f,a1)
 408 #define DEBUG2(f,a1,a2)             LOG2(gras_log_priority_debug, f,a1,a2)
 409 #define DEBUG3(f,a1,a2,a3)          LOG3(gras_log_priority_debug, f,a1,a2,a3)
 410 #define DEBUG4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_debug, f,a1,a2,a3,a4)
 411 #define DEBUG5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_debug, f,a1,a2,a3,a4,a5)
 412 #define DEBUG6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6)
 413 #define DEBUG7(f,a1,a2,a3,a4,a5,a6,a7) LOG7(gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6,a7)
 414 #define DEBUG8(f,a1,a2,a3,a4,a5,a6,a7,a8) LOG8(gras_log_priority_debug, f,a1,a2,a3,a4,a5,a6,a7,a8)
 415
 416 /**
 417  * VERB6:
 418  * @f: the format string
 419  * @a1: first argument of the format
 420  * @a2: second argument of the format
 421  * @a3: third argument of the format
 422  * @a4: fourth argument of the format
 423  * @a5: fifth argument of the format
 424  * @a6: sixth argument of the format
 425  *
 426  * Log something to the current default category under the verbose priority.
 427  *
 428  * The macros VERB0 ... VERB5 naturally also exist, but are not listed here
 429  * for sake of clarity. They just differ in the number of arguments passed
 430  * along with the format string.
 431  */
 432
 433 #define VERB0(f)                   LOG0(gras_log_priority_verbose, f)
 434 #define VERB1(f,a1)                LOG1(gras_log_priority_verbose, f,a1)
 435 #define VERB2(f,a1,a2)             LOG2(gras_log_priority_verbose, f,a1,a2)
 436 #define VERB3(f,a1,a2,a3)          LOG3(gras_log_priority_verbose, f,a1,a2,a3)
 437 #define VERB4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_verbose, f,a1,a2,a3,a4)
 438 #define VERB5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_verbose, f,a1,a2,a3,a4,a5)
 439 #define VERB6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_verbose, f,a1,a2,a3,a4,a5,a6)
 440
 441 /**
 442  * INFO6:
 443  * @f: the format string
 444  * @a1: first argument of the format
 445  * @a2: second argument of the format
 446  * @a3: third argument of the format
 447  * @a4: fourth argument of the format
 448  * @a5: fifth argument of the format
 449  * @a6: sixth argument of the format
 450  *
 451  * Log something to the current default category under the info priority.
 452  *
 453  * The macros INFO0 ... INFO5 naturally also exist, but are not listed here
 454  * for sake of clarity. They just differ in the number of arguments passed
 455  * along with the format string.
 456  */
 457
 458 #define INFO0(f)                   LOG0(gras_log_priority_info, f)
 459 #define INFO1(f,a1)                LOG1(gras_log_priority_info, f,a1)
 460 #define INFO2(f,a1,a2)             LOG2(gras_log_priority_info, f,a1,a2)
 461 #define INFO3(f,a1,a2,a3)          LOG3(gras_log_priority_info, f,a1,a2,a3)
 462 #define INFO4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_info, f,a1,a2,a3,a4)
 463 #define INFO5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_info, f,a1,a2,a3,a4,a5)
 464 #define INFO6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_info, f,a1,a2,a3,a4,a5,a6)
 465
 466 /**
 467  * WARN6:
 468  * @f: the format string
 469  * @a1: first argument of the format
 470  * @a2: second argument of the format
 471  * @a3: third argument of the format
 472  * @a4: fourth argument of the format
 473  * @a5: fifth argument of the format
 474  * @a6: sixth argument of the format
 475  *
 476  * Log something to the current default category under the warning priority.
 477  *
 478  * The macros WARN0 ... WARN5 naturally also exist, but are not listed here
 479  * for sake of clarity. They just differ in the number of arguments passed
 480  * along with the format string.
 481  */
 482
 483 #define WARN0(f)                   LOG0(gras_log_priority_warning, f)
 484 #define WARN1(f,a1)                LOG1(gras_log_priority_warning, f,a1)
 485 #define WARN2(f,a1,a2)             LOG2(gras_log_priority_warning, f,a1,a2)
 486 #define WARN3(f,a1,a2,a3)          LOG3(gras_log_priority_warning, f,a1,a2,a3)
 487 #define WARN4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_warning, f,a1,a2,a3,a4)
 488 #define WARN5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_warning, f,a1,a2,a3,a4,a5)
 489 #define WARN6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_warning, f,a1,a2,a3,a4,a5,a6)
 490
 491 /**
 492  * ERROR6:
 493  * @f: the format string
 494  * @a1: first argument of the format
 495  * @a2: second argument of the format
 496  * @a3: third argument of the format
 497  * @a4: fourth argument of the format
 498  * @a5: fifth argument of the format
 499  * @a6: sixth argument of the format
 500  *
 501  * Log something to the current default category under the error priority.
 502  *
 503  * The macros ERROR0 ... ERROR5 naturally also exist, but are not listed here
 504  * for sake of clarity. They just differ in the number of arguments passed
 505  * along with the format string.
 506  */
 507
 508 #define ERROR0(f)                   LOG0(gras_log_priority_error, f)
 509 #define ERROR1(f,a1)                LOG1(gras_log_priority_error, f,a1)
 510 #define ERROR2(f,a1,a2)             LOG2(gras_log_priority_error, f,a1,a2)
 511 #define ERROR3(f,a1,a2,a3)          LOG3(gras_log_priority_error, f,a1,a2,a3)
 512 #define ERROR4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_error, f,a1,a2,a3,a4)
 513 #define ERROR5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_error, f,a1,a2,a3,a4,a5)
 514 #define ERROR6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_error, f,a1,a2,a3,a4,a5,a6)
 515
 516 /**
 517  * CRITICAL6:
 518  * @f: the format string
 519  * @a1: first argument of the format
 520  * @a2: second argument of the format
 521  * @a3: third argument of the format
 522  * @a4: fourth argument of the format
 523  * @a5: fifth argument of the format
 524  * @a6: sixth argument of the format
 525  *
 526  * Log something to the current default category under the critical priority.
 527  *
 528  * The macros CRITICAL0 ... CRITICAL5 naturally also exist, but are not listed here
 529  * for sake of clarity. They just differ in the number of arguments passed
 530  * along with the format string.
 531  */
 532 #define CRITICAL0(f)                   LOG0(gras_log_priority_critical, f)
 533 #define CRITICAL1(f,a1)                LOG1(gras_log_priority_critical, f,a1)
 534 #define CRITICAL2(f,a1,a2)             LOG2(gras_log_priority_critical, f,a1,a2)
 535 #define CRITICAL3(f,a1,a2,a3)          LOG3(gras_log_priority_critical, f,a1,a2,a3)
 536 #define CRITICAL4(f,a1,a2,a3,a4)       LOG4(gras_log_priority_critical, f,a1,a2,a3,a4)
 537 #define CRITICAL5(f,a1,a2,a3,a4,a5)    LOG5(gras_log_priority_critical, f,a1,a2,a3,a4,a5)
 538 #define CRITICAL6(f,a1,a2,a3,a4,a5,a6) LOG6(gras_log_priority_critical, f,a1,a2,a3,a4,a5,a6)
 539
 540 #define GRAS_IN  DEBUG0(">> begin of function")
 541 #define GRAS_OUT DEBUG0("<< end of function")
 542
 543 #endif /* ! _GRAS_LOG_H_ */