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#ifndef REPORTING_H
#define REPORTING_H
/* message severity levels */
#define REPORT_ALERT 0
#define REPORT_ERROR 1
#define REPORT_WARNING 2
#define REPORT_INFO 3
#define REPORT_DEBUG 4
extern int verbosity_level;
void reporting_init(const char *program_name);
void reporting_use_syslog(int flag);
void reporting_verbosity(int level); /* setter */
/* rather than using report_message directly, use one of the below macros */
void report_message(int level, const char *format, ...);
void report_private_message(int level, const char *format, ...);
/* macros are used to minimize the performance impact of disabled (due to verbosity level) 'report' calls */
#define report_alert(format, ...) if(REPORT_ALERT <= verbosity_level) report_message(REPORT_ALERT, format, ##__VA_ARGS__)
#define report_error(format, ...) if(REPORT_ERROR <= verbosity_level) report_message(REPORT_ERROR, format, ##__VA_ARGS__)
#define report_warning(format, ...) if(REPORT_WARNING <= verbosity_level) report_message(REPORT_WARNING, format, ##__VA_ARGS__)
#define report_info(format, ...) if(REPORT_INFO <= verbosity_level) report_message(REPORT_INFO, format, ##__VA_ARGS__)
#define report_debug(format, ...) if(REPORT_DEBUG <= verbosity_level) report_message(REPORT_DEBUG, format, ##__VA_ARGS__)
#endif
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