Add some const qualifier, needed for later changes.

[simgrid.git] / src / surf / network_interface.cpp

diff --git a/src/surf/network_interface.cpp b/src/surf/network_interface.cpp
index 9bdcd82..b430e8f 100644 (file)
--- a/src/surf/network_interface.cpp
+++ b/src/surf/network_interface.cpp
@@ -170,7 +170,7 @@ void NetworkAction::set_state(Action::State state)
 }
 
 /** @brief returns a list of all Links that this action is using */
-std::list<LinkImpl*> NetworkAction::links()
+std::list<LinkImpl*> NetworkAction::links() const
 {
   std::list<LinkImpl*> retlist;
   int llen = get_variable()->get_number_of_constraint();