X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Funused.h;h=ecaa4de7649c1b47dae1b300c44d395c093ee3b2;hb=f33dd0fcc721e4efb1ce3be0d672e00e587d7491;hp=b5ac8411dfb8ed819360bc65d85616d15e6eaccf;hpb=5fc7ff89bdbced9c593c566fea9840a269935dcd;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__)