show_instance action: Export graph and instance data in a more structured fashion.

[collection4.git] / src / graph_instance.h

diff --git a/src/graph_instance.h b/src/graph_instance.h
index 0279deb..ebf6bc6 100644 (file)
--- a/src/graph_instance.h
+++ b/src/graph_instance.h
@@ -55,6 +55,7 @@ int inst_get_params (graph_config_t *cfg, graph_instance_t *inst,
 int inst_get_rrdargs (graph_config_t *cfg, graph_instance_t *inst,
     rrd_args_t *args);
 
+/* Returns a copy of the selector which must be freed by the caller. */
 graph_ident_t *inst_get_selector (graph_instance_t *inst);
 
 int inst_compare (const graph_instance_t *i0, const graph_instance_t *i1);