206b96202c
See also:
http://article.gmane.org/gmane.linux.kernel/1268792
The C compiler will handle (void) as "no arguments" and () as "variadic
function" (equivalent to (...)) which might lead to subtle errors, such
as the one which was fixed with commit 0ea64ae4.
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* log.c: Setting of loglevels, logging functions.
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*
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*/
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#ifndef _LOG_H
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#define _LOG_H
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#include <stdarg.h>
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#include <stdbool.h>
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/** ##__VA_ARGS__ means: leave out __VA_ARGS__ completely if it is empty, that
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is, delete the preceding comma */
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#define LOG(fmt, ...) verboselog(fmt, ##__VA_ARGS__)
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#define ELOG(fmt, ...) errorlog("ERROR: " fmt, ##__VA_ARGS__)
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#define DLOG(fmt, ...) debuglog(LOGLEVEL, "%s:%s:%d - " fmt, __FILE__, __FUNCTION__, __LINE__, ##__VA_ARGS__)
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extern char *loglevels[];
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extern char *errorfilename;
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extern char *shmlogname;
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extern int shmlog_size;
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/**
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* Initializes logging by creating an error logfile in /tmp (or
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* XDG_RUNTIME_DIR, see get_process_filename()).
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*
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*/
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void init_logging(void);
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/**
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* Enables the given loglevel.
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*
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*/
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void add_loglevel(const char *level);
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/**
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* Set verbosity of i3. If verbose is set to true, informative messages will
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* be printed to stdout. If verbose is set to false, only errors will be
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* printed.
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*
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*/
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void set_verbosity(bool _verbose);
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/**
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* Logs the given message to stdout while prefixing the current time to it,
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* but only if the corresponding debug loglevel was activated.
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*
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*/
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void debuglog(uint64_t lev, char *fmt, ...);
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/**
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* Logs the given message to stdout while prefixing the current time to it.
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*
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*/
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void errorlog(char *fmt, ...);
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/**
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* Logs the given message to stdout while prefixing the current time to it,
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* but only if verbose mode is activated.
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*
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*/
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void verboselog(char *fmt, ...);
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/**
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* Logs the given message to stdout while prefixing the current time to it.
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* This is to be called by LOG() which includes filename/linenumber
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*
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*/
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void slog(char *fmt, va_list args);
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#endif
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