babeltrace(1): add help command

[babeltrace.git] / lib / component / component-class.c

diff --git a/lib/component/component-class.c b/lib/component/component-class.c
index a008042190d78d007c6d571c0ee3669436cb9950..72bea187c23e89fd5992aa3754651042fd11d0aa 100644 (file)
--- a/lib/component/component-class.c
+++ b/lib/component/component-class.c
@@ -431,14 +431,16 @@ enum bt_component_class_type bt_component_class_get_type(
 const char *bt_component_class_get_description(
                struct bt_component_class *component_class)
 {
-       return component_class && component_class->description ?
+       return component_class && component_class->description &&
+               component_class->description->str[0] != '\0' ?
                component_class->description->str : NULL;
 }
 
 const char *bt_component_class_get_help(
                struct bt_component_class *component_class)
 {
-       return component_class && component_class->help ?
+       return component_class && component_class->help &&
+               component_class->help->str[0] != '\0' ?
                component_class->help->str : NULL;
 }