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/**
* General purpose logger class.
*
* Copyright (C) 2013 Tobias Klauser <tklauser@distanz.ch>
*
* This file is subject to the terms and conditions of the GNU General
* Public License, version 2.
*/
#ifndef LOGGER_H_
#define LOGGER_H_
#include <stdarg.h>
#include <stdio.h>
/* TODO: Make singleton */
class Logger {
public:
static Logger& getInstance()
{
// instantiated on first use, guaranteed to be destroyed
static Logger instance;
return instance;
}
int log(const char *fmt, ...);
int warn(const char *fmt, ...);
int err(const char *fmt, ...);
private:
Logger() : _f_out(stdout), _f_err(stderr) { }
~Logger() { }
// Declare copy constructer to prevent the compiler from generating one
Logger(Logger const&);
void operator=(Logger const&);
FILE *_f_out, *_f_err;
static const char *_LOGGER_DATE_FMT;
int _log_vfprintf(FILE *f, const char *prefix, const char *fmt, va_list ap);
};
#endif /* LOGGER_H_ */
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