PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ LWGEOM_nrings()

Datum LWGEOM_nrings ( PG_FUNCTION_ARGS  )

Definition at line 255 of file lwgeom_functions_basic.c.

256 {
257  GSERIALIZED *geom = PG_GETARG_GSERIALIZED_P(0);
258  LWGEOM *lwgeom = lwgeom_from_gserialized(geom);
259  int nrings = 0;
260 
261  nrings = lwgeom_count_rings(lwgeom);
262  lwgeom_free(lwgeom);
263 
264  PG_FREE_IF_COPY(geom, 0);
265  PG_RETURN_INT32(nrings);
266 }
lwgeom_from_gserialized
LWGEOM * lwgeom_from_gserialized(const GSERIALIZED *g)
Allocate a new LWGEOM from a GSERIALIZED.
Definition: gserialized.c:239
lwgeom_free
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1138
lwgeom_count_rings
uint32_t lwgeom_count_rings(const LWGEOM *geom)
Count the total number of rings in any LWGEOM.
Definition: lwgeom.c:1339

References lwgeom_count_rings(), lwgeom_free(), and lwgeom_from_gserialized().

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