LWGEOM_nrings()

Datum LWGEOM_nrings

(

PG_FUNCTION_ARGS

)

Definition at line 250 of file lwgeom_functions_basic.c.

References dumpnode::geom, LWGEOM_area_polygon(), lwgeom_count_rings(), lwgeom_free(), lwgeom_from_gserialized(), and PG_FUNCTION_INFO_V1().

Referenced by LWGEOM_npoints().

{
        GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
        LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
        int nrings = 0;

        nrings = lwgeom_count_rings(lwgeom);
        lwgeom_free(lwgeom);

        PG_FREE_IF_COPY(geom, 0);
        PG_RETURN_INT32(nrings);
}

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