- mozilla: misc fixes

mozilla/control/npolibvlc.cpp

@@ -556,6 +556,7 @@ const NPUTF8 * const LibvlcPlaylistNPObject::methodNames[] =
 {
     "add",
     "play",
+    "playItem",
     "togglePause",
     "stop",
     "next",
@@ -570,6 +571,7 @@ enum LibvlcPlaylistNPObjectMethodIds
 {
     ID_add,
     ID_play,
+    ID_playItem,
     ID_togglepause,
     ID_stop,
     ID_next,
@@ -695,6 +697,23 @@ RuntimeNPObject::InvokeResult LibvlcPlaylistNPObject::invoke(int index, const NP
                     }
                 }
                 return INVOKERESULT_NO_SUCH_METHOD;
+            case ID_playItem:
+                if( (argCount == 1) && isNumberValue(args[0]) )
+                {
+                    libvlc_playlist_play(p_plugin->getVLC(), numberValue(args[0]), 0, NULL, &ex);
+                    if( libvlc_exception_raised(&ex) )
+                    {
+                        NPN_SetException(this, libvlc_exception_get_message(&ex));
+                        libvlc_exception_clear(&ex);
+                        return INVOKERESULT_GENERIC_ERROR;
+                    }
+                    else
+                    {
+                        VOID_TO_NPVARIANT(result);
+                        return INVOKERESULT_NO_ERROR;
+                    }
+                }
+                return INVOKERESULT_NO_SUCH_METHOD;
             case ID_togglepause:
                 if( argCount == 0 )
                 {

mozilla/vlcshell.cpp

@@ -93,8 +93,7 @@ NPError NPP_GetValue( NPP instance, NPPVariable variable, void *value )
             return NPERR_NO_ERROR;
 
         case NPPVpluginDescriptionString:
-            snprintf( psz_desc, sizeof(psz_desc)-1, PLUGIN_DESCRIPTION, VLC_Version() );
-            psz_desc[sizeof(psz_desc)-1] = 0;
+            snprintf( psz_desc, sizeof(psz_desc), PLUGIN_DESCRIPTION, VLC_Version() );
             *((char **)value) = psz_desc;
             return NPERR_NO_ERROR;