gri3-wm/include/log.h

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/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
* © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
*
* log.c: Logging functions.
*
*/
#ifndef _LOG_H
#define _LOG_H
#include <stdarg.h>
#include <stdbool.h>
/** ##__VA_ARGS__ means: leave out __VA_ARGS__ completely if it is empty, that
is, delete the preceding comma */
#define LOG(fmt, ...) verboselog(fmt, ##__VA_ARGS__)
#define ELOG(fmt, ...) errorlog("ERROR: " fmt, ##__VA_ARGS__)
#define DLOG(fmt, ...) debuglog("%s:%s:%d - " fmt, __FILE__, __FUNCTION__, __LINE__, ##__VA_ARGS__)
extern char *errorfilename;
extern char *shmlogname;
extern int shmlog_size;
/**
* Initializes logging by creating an error logfile in /tmp (or
* XDG_RUNTIME_DIR, see get_process_filename()).
*
*/
void init_logging(void);
/**
* Set debug logging.
*
*/
void set_debug_logging(const bool _debug_logging);
/**
* Set verbosity of i3. If verbose is set to true, informative messages will
* be printed to stdout. If verbose is set to false, only errors will be
* printed.
*
*/
void set_verbosity(bool _verbose);
/**
* Logs the given message to stdout while prefixing the current time to it,
* but only if debug logging was activated.
*
*/
void debuglog(char *fmt, ...);
/**
* Logs the given message to stdout while prefixing the current time to it.
*
*/
void errorlog(char *fmt, ...);
/**
* Logs the given message to stdout while prefixing the current time to it,
* but only if verbose mode is activated.
*
*/
void verboselog(char *fmt, ...);
/**
* Logs the given message to stdout while prefixing the current time to it.
* This is to be called by LOG() which includes filename/linenumber
*
*/
void slog(char *fmt, va_list args);
#endif