X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Funused.h;h=ecaa4de7649c1b47dae1b300c44d395c093ee3b2;hb=264a94560ae83c638e05b0b93b85fd6285b07dac;hp=b5ac8411dfb8ed819360bc65d85616d15e6eaccf;hpb=fefb27848de265750174cab10cfb9aba23d10320;p=rrdtool.git

diff --git a/src/unused.h b/src/unused.h
index b5ac841..ecaa4de 100644
--- 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__)