catch empty XXXX: commands in graph

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2@879 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/program/src/rrd_graph_helper.c b/program/src/rrd_graph_helper.c
index b171f84ca8a9f9ee011ac523902484a3834df609..793163c94751af16a946b05e854d5a75dc23c841 100644 (file)
--- a/program/src/rrd_graph_helper.c
+++ b/program/src/rrd_graph_helper.c
@@ -133,6 +133,10 @@ rrd_parse_find_gf(const char *const line, unsigned int *const eaten, graph_desc_
            rrd_set_error("Malformed '%s' command in line '%s'\n",&line[*eaten],line);
            return 1;
     }
+    if (line[*eaten] == '\0') {
+       rrd_set_error("Expected some arguments after '%s'\n",line);
+       return 1;
+    }
     return 0;
 }