fix crash when copy'ing latent plugins

[ardour.git] / libs / ardour / export_preset.cc

diff --git a/libs/ardour/export_preset.cc b/libs/ardour/export_preset.cc
index 093803daa6d8d0884d194b9771ba5a1ef04fdc2f..dec4c4b79a63200753444e39c4788b0ee4d06cd5 100644 (file)
--- a/libs/ardour/export_preset.cc
+++ b/libs/ardour/export_preset.cc
@@ -30,14 +30,14 @@ ExportPreset::ExportPreset (string filename, Session & s) :
 {
        XMLNode * root;
        if ((root = global.root())) {
-               XMLProperty * prop;
+               XMLProperty const * prop;
                if ((prop = root->property ("id"))) {
                        set_id (prop->value());
                }
                if ((prop = root->property ("name"))) {
                        set_name (prop->value());
                }
-               
+
                XMLNode * instant_xml = get_instant_xml ();
                if (instant_xml) {
                        XMLNode * instant_copy = new XMLNode (*instant_xml);
@@ -56,7 +56,7 @@ ExportPreset::set_name (string const & name)
 {
        _name = name;
 
-       XMLNode * node; 
+       XMLNode * node;
        if ((node = global.root())) {
                node->add_property ("name", name);
        }
@@ -84,7 +84,7 @@ ExportPreset::set_global_state (XMLNode & state)
 {
        delete global.root ();
        global.set_root (&state);
-       
+
        set_id (_id.to_s());
        set_name (_name);
 }
@@ -94,7 +94,7 @@ ExportPreset::set_local_state (XMLNode & state)
 {
        delete local;
        local = &state;
-       
+
        set_id (_id.to_s());
        set_name (_name);
 }
@@ -103,8 +103,9 @@ void
 ExportPreset::save (std::string const & filename)
 {
        save_instant_xml ();
+
        if (global.root()) {
-               global.set_filename (filename);
+                global.set_filename (filename);
                global.write ();
        }
 }
@@ -119,17 +120,17 @@ XMLNode *
 ExportPreset::get_instant_xml () const
 {
        XMLNode * instant_xml;
-       
+
        if ((instant_xml = session.instant_xml ("ExportPresets"))) {
                XMLNodeList children = instant_xml->children ("ExportPreset");
                for (XMLNodeList::iterator it = children.begin(); it != children.end(); ++it) {
-                       XMLProperty * prop;
+                       XMLProperty const * prop;
                        if ((prop = (*it)->property ("id")) && _id == PBD::UUID(prop->value())) {
                                return *it;
                        }
                }
        }
-       
+
        return 0;
 }
 
@@ -139,9 +140,9 @@ ExportPreset::save_instant_xml () const
        if (!local) { return; }
 
        /* First remove old, then add new */
-       
+
        remove_instant_xml ();
-       
+
        XMLNode * instant_xml;
        if ((instant_xml = session.instant_xml ("ExportPresets"))) {
                instant_xml->add_child_copy (*local);