From: Michael Stapelberg <michael@stapelberg.de>
Date: Sun, 5 Aug 2012 13:59:08 +0000 (+0200)
Subject: log.h: tell the compiler these logging functions use printf-like formats
X-Git-Tag: 4.3~134
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=991a9de0d7285fde26d354134068a2d30988dab7;p=i3%2Fi3

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

This gives us additional warnings and is supported in gcc and clang.
---

diff --git a/include/log.h b/include/log.h
index 11555ab7..d3e967e7 100644
--- a/include/log.h
+++ b/include/log.h
@@ -49,20 +49,23 @@ void set_verbosity(bool _verbose);
  * but only if debug logging was activated.
  *
  */
-void debuglog(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.