disk8: Initial commit

[pdp8.git] / sw / disk8 / src / logging.h

/* Logging facilities */

/* 
 * Macros, all printf style:
 *
 * ERR(...),  ERROR(...)   - Always printed, errcount is incremented.
 * WARN(...), WARNING(...) - Printed if verbosity_level>0
 * MSG(...),  MESSAGE(...), INFO(...)  - Printed if verbosity_level>1
 * DBG(...),  DEBUG(...)   - Printed if verbosity_level>2
 * 
 * Default verbosity level is 1, warnings and errors displayed.
 */

#ifndef LOGGING_H
#define LOGGING_H

#include <stdio.h>

/* Global variable containing the program's runtime verbosity level */
extern int verbosity_level;

/* Global variable containing the program's error count */
extern int error_count;

/* Global variable containing the program's warning count */
extern int warn_count;

/* Global variable containing the program's message count */
extern int msg_count;

/* Show the log summary */
extern void log_summary();

/* Exit program with logging summary */
void exit_program(int status);

#define ERROR(...){				\
    fprintf(stderr,"  ERROR: " __VA_ARGS__);	\
    error_count++;				\
  }

#define ERR(...) ERROR(__VA_ARGS__)

#define WARNING(...){				\
    if (verbosity_level>0) fprintf(stderr,"WARNING: " __VA_ARGS__);	\
    warn_count++;							\
  }

#define WARN(...) WARNING(__VA_ARGS__)

#define INFO(...){ 				\
    if (verbosity_level>1) fprintf(stderr, "   INFO: " __VA_ARGS__);	\
    msg_count++;							\
  }

#define MESSAGE(...) INFO(__VA_ARGS__)

#define MSG(...) MESSAGE(__VA_ARGS__)

#define DEBUG(...){					\
    if (verbosity_level>2) fprintf(stderr,"  DEBUG: " __VA_ARGS__);\
  }
#define DBG(...) DEBUG(__VA_ARGS__)


#endif