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/**
* @file log.h
*
* @brief Logging functions for the library.
*
*/
/*
* Copyright (C) 2006 Martin Willi
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef DEBUG_H_
#define DEBUG_H_
#ifndef DEBUG_LEVEL
# define DEBUG_LEVEL 4
#endif /* DEBUG_LEVEL */
/** debug macros, they call the dbg function hook */
#if DEBUG_LEVEL >= 1
# define DBG1(fmt, ...) dbg(1, fmt, ##__VA_ARGS__)
#endif /* DEBUG_LEVEL */
#if DEBUG_LEVEL >= 2
# define DBG2(fmt, ...) dbg(2, fmt, ##__VA_ARGS__)
#endif /* DEBUG_LEVEL */
#if DEBUG_LEVEL >= 3
# define DBG3(fmt, ...) dbg(3, fmt, ##__VA_ARGS__)
#endif /* DEBUG_LEVEL */
#if DEBUG_LEVEL >= 4
# define DBG4(fmt, ...) dbg(4, fmt, ##__VA_ARGS__)
#endif /* DEBUG_LEVEL */
#ifndef DBG1
# define DBG1(...) {}
#endif
#ifndef DBG2
# define DBG2(...) {}
#endif
#ifndef DBG3
# define DBG3(...) {}
#endif
#ifndef DBG4
# define DBG4(...) {}
#endif
/** dbg function hook, uses stderr logger by default */
extern void (*dbg) (int level, char *fmt, ...);
#endif /* DEBUG_H_ */
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