Function msUnionLayerFreeItemInfo

mapunion.c:217–240

Free the itemindexes array in a layer. */

/* Free the itemindexes array in a layer. */
void msUnionLayerFreeItemInfo(layerObj *layer)
{
    int i;
    msUnionLayerInfo* layerinfo = (msUnionLayerInfo*)layer->layerinfo;

    if (!layerinfo || !layer->map)
        return;

    msFree(layer->iteminfo);

    layer->iteminfo = NULL;

    for (i = 0; i < layerinfo->layerCount; i++)
    {
        msLayerFreeItemInfo(&layerinfo->layers[i]);
        if(layerinfo->layers[i].items) 
        {
            /* need to remove the source layer items */
            msFreeCharArray(layerinfo->layers[i].items, layerinfo->layers[i].numitems);
            layerinfo->layers[i].items = NULL;
            layerinfo->layers[i].numitems = 0;
        }
    }
}

/* clean up expression tokens */
void msUnionLayerFreeExpressionTokens(layerObj *layer)