log.h: tell the compiler these logging functions use printf-like formats

[i3/i3] / include / log.h

diff --git a/include/log.h b/include/log.h
index e5e20dc12c00611aff2f36781e04e00647e78e62..d3e967e77e2a206a065ddd9cf307b6ec3da811cb 100644 (file)
--- a/include/log.h
+++ b/include/log.h
@@ -4,7 +4,7 @@
  * i3 - an improved dynamic tiling window manager
  * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
  *
- * log.c: Setting of loglevels, logging functions.
+ * log.c: Logging functions.
  *
  */
 #ifndef _LOG_H
@@ -17,9 +17,8 @@
    is, delete the preceding comma */
 #define LOG(fmt, ...) verboselog(fmt, ##__VA_ARGS__)
 #define ELOG(fmt, ...) errorlog("ERROR: " fmt, ##__VA_ARGS__)
-#define DLOG(fmt, ...) debuglog(LOGLEVEL, "%s:%s:%d - " fmt, __FILE__, __FUNCTION__, __LINE__, ##__VA_ARGS__)
+#define DLOG(fmt, ...) debuglog("%s:%s:%d - " fmt, __FILE__, __FUNCTION__, __LINE__, ##__VA_ARGS__)
 
-extern char *loglevels[];
 extern char *errorfilename;
 extern char *shmlogname;
 extern int shmlog_size;
@@ -32,10 +31,10 @@ extern int shmlog_size;
 void init_logging(void);
 
 /**
- * Enables the given loglevel.
+ * Set debug logging.
  *
  */
-void add_loglevel(const char *level);
+void set_debug_logging(const bool _debug_logging);
 
 /**
  * Set verbosity of i3. If verbose is set to true, informative messages will
@@ -47,23 +46,26 @@ void set_verbosity(bool _verbose);
 
 /**
  * Logs the given message to stdout while prefixing the current time to it,
- * but only if the corresponding debug loglevel was activated.
+ * but only if debug logging was activated.
  *
  */
-void debuglog(uint64_t lev, char *fmt, ...);
+void debuglog(char *fmt, ...)
+    __attribute__ ((format (printf, 1, 2)));
 
 /**
  * Logs the given message to stdout while prefixing the current time to it.
  *
  */
-void errorlog(char *fmt, ...);
+void errorlog(char *fmt, ...)
+    __attribute__ ((format (printf, 1, 2)));
 
 /**
  * Logs the given message to stdout while prefixing the current time to it,
  * but only if verbose mode is activated.
  *
  */
-void verboselog(char *fmt, ...);
+void verboselog(char *fmt, ...)
+    __attribute__ ((format (printf, 1, 2)));
 
 /**
  * Logs the given message to stdout while prefixing the current time to it.