0883dfbe14
This avoids flooding stdout every time some text (e.g. a window decoration) is drawn, yet leaves the message in place when it’s actually relevant (upon DPI changes). fixes #1115
107 lines
2.3 KiB
C
107 lines
2.3 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: Logging functions.
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*
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*/
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#ifndef I3_LOG_H
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#define I3_LOG_H
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#include <stdarg.h>
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#include <stdbool.h>
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/* We will include libi3.h which define its own version of LOG, ELOG.
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* We want *our* version, so we undef the libi3 one. */
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#if defined(LOG)
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#undef LOG
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#endif
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#if defined(ELOG)
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#undef ELOG
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#endif
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#if defined(DLOG)
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#undef DLOG
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#endif
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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("%s:%s:%d - " fmt, I3__FILE__, __FUNCTION__, __LINE__, ##__VA_ARGS__)
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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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* Opens the logbuffer.
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*
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*/
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void open_logbuffer(void);
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/**
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* Closes the logbuffer.
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*
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*/
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void close_logbuffer(void);
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/**
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* Checks if debug logging is active.
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*
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*/
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bool get_debug_logging(void);
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/**
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* Set debug logging.
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*
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*/
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void set_debug_logging(const bool _debug_logging);
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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 debug logging was activated.
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*
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*/
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void debuglog(char *fmt, ...)
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__attribute__ ((format (printf, 1, 2)));
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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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__attribute__ ((format (printf, 1, 2)));
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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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__attribute__ ((format (printf, 1, 2)));
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/**
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* Deletes the unused log files. Useful if i3 exits immediately, eg.
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* because --get-socketpath was called. We don't care for syscall
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* failures. This function is invoked automatically when exiting.
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*/
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void purge_zerobyte_logfile(void);
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#endif
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