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/*
* log.h
* Logging facilities.
*
* Matej Pfajfar <mp292@cam.ac.uk>
*/
#ifndef __LOG_H
#ifdef HAVE_SYSLOG_H
#include <syslog.h>
#else
#define LOG_DEBUG 0
#define LOG_INFO 1
#define LOG_NOTICE 2
#define LOG_WARNING 3
#define LOG_ERR 4
#define LOG_CRIT 5
#define LOG_ALERT 6
#define LOG_EMERG 7
#endif
/* magic to make GCC check for proper format strings. */
#ifdef __GNUC__
#define CHECK_PRINTF(formatIdx, firstArg) \
__attribute__ ((format (printf, formatIdx, firstArg)))
#else
#define CHECK_PRINTF(formatIdx, firstArg)
#endif
void log_set_severity(int severity);
void add_stream_log(int loglevel, const char *name, FILE *stream);
void add_file_log(int severity, const char *filename);
void close_logs();
void reset_logs();
/* Outputs a message to stdout */
void log(int severity, const char *format, ...) CHECK_PRINTF(2,3);
#ifdef __GNUC__
void _log_fn(int severity, const char *funcname, const char *format, ...)
CHECK_PRINTF(3,4);
#define log_fn(severity, args...) \
_log_fn(severity, __PRETTY_FUNCTION__, args)
#else
#define log_fn log
#endif
# define __LOG_H
#endif
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