Create rrd file: Allow only short integer numbers in rpn formula

diff --git a/src/rrd_rpncalc.c b/src/rrd_rpncalc.c
index b342ec24add1fee59af7c2c83e19995833ab2e47..bf87e6a896ffc710acbd47261b5caf534b56754c 100644 (file)
--- a/src/rrd_rpncalc.c
+++ b/src/rrd_rpncalc.c
@@ -47,7 +47,7 @@ short rpn_compact(
             /* rpnp.val is a double, rpnc.val is a short */
             double    temp = floor(rpnp[i].val);
 
-            if (temp < SHRT_MIN || temp > SHRT_MAX) {
+                       if (temp < SHRT_MIN || temp > SHRT_MAX || temp != rpnp[i].val) {
                 rrd_set_error
                     ("constants must be integers in the interval (%d, %d)",
                      SHRT_MIN, SHRT_MAX);