pwrtray/backend/log.h

#ifndef LOG_H_
#define LOG_H_

#include "args.h"

enum {
	LOGLEVEL_ERROR,
	LOGLEVEL_INFO,
	LOGLEVEL_DEBUG,
	LOGLEVEL_VERBOSE,
};

#define loglevel_is_error()	(cmdargs.loglevel >= LOGLEVEL_ERROR)
#define loglevel_is_info()	(cmdargs.loglevel >= LOGLEVEL_INFO)
#define loglevel_is_debug()	(cmdargs.loglevel >= LOGLEVEL_DEBUG)
#define loglevel_is_verbose()	(cmdargs.loglevel >= LOGLEVEL_VERBOSE)

void loginfo(const char *fmt, ...);
void logerr(const char *fmt, ...);
void _logdebug(const char *fmt, ...);
#define logdebug(...) do {			\
		if (loglevel_is_debug())	\
			_logdebug(__VA_ARGS__);	\
	} while (0)
#define logverbose(...) do {			\
		if (loglevel_is_verbose())	\
			_logdebug(__VA_ARGS__);	\
	} while (0)

#define warn_on(cond) do {					\
		int _warn_on_condition = !!(cond);		\
		if (_warn_on_condition)				\
			logerr("Warning: " __FILE__ ":"		\
				stringify(__LINE__) " ("	\
				stringify(cond) ") failed\n");	\
	} while (0)

void log_initialize(void);
void log_exit(void);

#endif /* LOG_H_ */