Function copyVirtualTable

mappluginlayer.c:153–175

* copyVirtualTable * * copy one virtual table from dest to src. Both of dest and src * have to be allocated already. * * If src contains NULL fields, those are NOT copied over. * * Because of that, it is possible for plugin layer to use default * layer API default functions, just leave those function pointers to NULL. */

 * layer API default functions,  just leave those function pointers to NULL.
 */
static void
copyVirtualTable(layerVTableObj *dest, 
                 const layerVTableObj *src)
{
    dest->LayerInitItemInfo = src->LayerInitItemInfo ? src->LayerInitItemInfo : dest->LayerInitItemInfo;
    dest->LayerFreeItemInfo = src->LayerFreeItemInfo ? src->LayerFreeItemInfo : dest->LayerFreeItemInfo;
    dest->LayerOpen = src->LayerOpen ? src->LayerOpen : dest->LayerOpen;
    dest->LayerIsOpen = src->LayerIsOpen ? src->LayerIsOpen : dest->LayerIsOpen;
    dest->LayerWhichShapes = src->LayerWhichShapes ? src->LayerWhichShapes : dest->LayerWhichShapes;
    dest->LayerNextShape = src->LayerNextShape ? src->LayerNextShape : dest->LayerNextShape;
    dest->LayerGetShape = src->LayerGetShape ? src->LayerGetShape : dest->LayerGetShape;
    // dest->LayerResultsGetShape = src->LayerResultsGetShape ? src->LayerResultsGetShape : dest->LayerResultsGetShape;
    dest->LayerClose = src->LayerClose ? src->LayerClose : dest->LayerClose;
    dest->LayerGetItems = src->LayerGetItems ? src->LayerGetItems : dest->LayerGetItems;
    dest->LayerGetExtent = src->LayerGetExtent ? src->LayerGetExtent : dest->LayerGetExtent;
    dest->LayerGetAutoStyle = src->LayerGetAutoStyle ? src->LayerGetAutoStyle : dest->LayerGetAutoStyle;
    dest->LayerCloseConnection = src->LayerCloseConnection ? src->LayerCloseConnection : dest->LayerCloseConnection;
    dest->LayerSetTimeFilter = src->LayerSetTimeFilter ? src->LayerSetTimeFilter : dest->LayerSetTimeFilter;
    dest->LayerApplyFilterToLayer = src->LayerApplyFilterToLayer ? src->LayerApplyFilterToLayer : dest->LayerApplyFilterToLayer;
    dest->LayerCreateItems = src->LayerCreateItems ? src->LayerCreateItems : dest->LayerCreateItems;
    dest->LayerGetNumFeatures = src->LayerGetNumFeatures ? src->LayerGetNumFeatures : dest->LayerGetNumFeatures;
    dest->LayerGetAutoProjection = src->LayerGetAutoProjection ? src->LayerGetAutoProjection: dest->LayerGetAutoProjection;
}

int
msPluginLayerInitializeVirtualTable(layerObj *layer)