X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=program%2Fsrc%2Funused.h;h=ecaa4de7649c1b47dae1b300c44d395c093ee3b2;hb=fc51aaa37ee96751ab9a16a82b8ad68b856d005c;hp=b5ac8411dfb8ed819360bc65d85616d15e6eaccf;hpb=021678302eec7e4a122f9b128a79aea32b36ccee;p=rrdtool-all.git

diff --git a/program/src/unused.h b/program/src/unused.h
index b5ac8411..ecaa4de7 100644
--- a/program/src/unused.h
+++ b/program/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__)