From: mfranz <mfranz>
Date: Thu, 2 Mar 2006 10:41:48 +0000 (+0000)
Subject: let removelistener() return the number of remaining Nasal listeners. (We
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=dcffb9d3357d95350fdd169664f146bd83232044;p=flightgear.git

let removelistener() return the number of remaining Nasal listeners. (We
need to return nil for errors and something else for success, so we can
as well return something (remotely) useful.)
---

diff --git a/src/Scripting/NasalSys.cxx b/src/Scripting/NasalSys.cxx
index 2415d5f9a..2cbedf80f 100644
--- a/src/Scripting/NasalSys.cxx
+++ b/src/Scripting/NasalSys.cxx
@@ -626,8 +626,9 @@ naRef FGNasalSys::setListener(int argc, naRef* args)
 
     FGNasalListener *nl = new FGNasalListener(node, handler, this,
             gcSave(handler));
-    _listener[_listenerId] = nl;
     node->addChangeListener(nl, initial);
+
+    _listener[_listenerId] = nl;
     return naNum(_listenerId++);
 }
 
@@ -647,6 +648,6 @@ naRef FGNasalSys::removeListener(int argc, naRef* args)
     nl->_node->removeChangeListener(nl);
     _listener.erase(i);
     delete nl;
-    return id;
+    return naNum(_listener.size());
 }