fix from alex

[rrdtool.git] / src / unused.h

diff --git a/src/unused.h b/src/unused.h
index b5ac841..ecaa4de 100644 (file)
--- a/src/unused.h
+++ b/src/unused.h
@@ -1,5 +1,8 @@
-/* define a macro to wrap variables in that would
-   otherwhise generate UNUSED variable warnings */
+/* define a macro to wrap variables that would
+   otherwise generate UNUSED variable warnings
+   Note that GCC's attribute unused only supresses the warning, so
+   it is perfectly safe to declare something unused although it is not.
+*/
 
 #ifdef UNUSED
 #elif defined(__GNUC__)