sw/disk8/src/logging.h

   1 /* Logging facilities */
   2
   3 /*
   4  * Macros, all printf style:
   5  *
   6  * ERR(...),  ERROR(...)   - Always printed, errcount is incremented.
   7  * WARN(...), WARNING(...) - Printed if verbosity_level>0
   8  * MSG(...),  MESSAGE(...), INFO(...)  - Printed if verbosity_level>1
   9  * DBG(...),  DEBUG(...)   - Printed if verbosity_level>2
  10  *
  11  * Default verbosity level is 1, warnings and errors displayed.
  12  */
  13
  14 #ifndef LOGGING_H
  15 #define LOGGING_H
  16
  17 #include <stdio.h>
  18
  19 /* Global variable containing the program's runtime verbosity level */
  20 extern int verbosity_level;
  21
  22 /* Global variable containing the program's error count */
  23 extern int error_count;
  24
  25 /* Global variable containing the program's warning count */
  26 extern int warn_count;
  27
  28 /* Global variable containing the program's message count */
  29 extern int msg_count;
  30
  31 /* Show the log summary */
  32 extern void log_summary();
  33
  34 /* Exit program with logging summary */
  35 void exit_program(int status);
  36
  37 #define ERROR(...){                             \
  38     fprintf(stderr,"  ERROR: " __VA_ARGS__);    \
  39     error_count++;                              \
  40   }
  41
  42 #define ERR(...) ERROR(__VA_ARGS__)
  43
  44 #define WARNING(...){                           \
  45     if (verbosity_level>0) fprintf(stderr,"WARNING: " __VA_ARGS__);     \
  46     warn_count++;                                                       \
  47   }
  48
  49 #define WARN(...) WARNING(__VA_ARGS__)
  50
  51 #define INFO(...){                              \
  52     if (verbosity_level>1) fprintf(stderr, "   INFO: " __VA_ARGS__);    \
  53     msg_count++;                                                        \
  54   }
  55
  56 #define MESSAGE(...) INFO(__VA_ARGS__)
  57
  58 #define MSG(...) MESSAGE(__VA_ARGS__)
  59
  60 #define DEBUG(...){                                     \
  61     if (verbosity_level>2) fprintf(stderr,"  DEBUG: " __VA_ARGS__);\
  62   }
  63 #define DBG(...) DEBUG(__VA_ARGS__)
  64
  65
  66 #endif
  67
  68
  69