openstack object storage v02.0
diff --git a/openstack/utils/utils.go b/openstack/utils/utils.go
index 0d4c05c..a814c7e 100644
--- a/openstack/utils/utils.go
+++ b/openstack/utils/utils.go
@@ -50,3 +50,12 @@
 
 	return ao, nil
 }
+
+func BuildQuery(params map[string]string) string {
+	query := "?"
+	for k, v := range params {
+		query += k + "=" + v + "&"
+	}
+	query = query[:len(query)-1]
+	return query
+}