allow DS names starting with the same letters as operators

[rrdtool.git] / src / rrd_create.c

diff --git a/src/rrd_create.c b/src/rrd_create.c
index 5eac360..46006ea 100644 (file)
--- a/src/rrd_create.c
+++ b/src/rrd_create.c
@@ -78,7 +78,10 @@ rrd_create(int argc, char **argv)
            return(-1);
        }
     }
-
+    if (optind == argc) {
+         rrd_set_error("what is the name of the rrd file you want to create?");
+         return -1;
+    }
     rc = rrd_create_r(argv[optind],
                      pdp_step, last_up,
                      argc - optind - 1, argv + optind + 1);