PostGIS  2.4.9dev-r@@SVN_REVISION@@

◆ lwpoly_clone_deep()

LWPOLY* lwpoly_clone_deep ( const LWPOLY g)

Definition at line 230 of file lwpoly.c.

References LWPOLY::bbox, LWPOLY::flags, FLAGS_SET_READONLY, gbox_copy(), lwalloc(), LWPOLY::nrings, ptarray_clone_deep(), and LWPOLY::rings.

Referenced by lwgeom_clone_deep().

231 {
232  int i;
233  LWPOLY *ret = lwalloc(sizeof(LWPOLY));
234  memcpy(ret, g, sizeof(LWPOLY));
235  if ( g->bbox ) ret->bbox = gbox_copy(g->bbox);
236  ret->rings = lwalloc(sizeof(POINTARRAY *)*g->nrings);
237  for ( i = 0; i < ret->nrings; i++ )
238  {
239  ret->rings[i] = ptarray_clone_deep(g->rings[i]);
240  }
241  FLAGS_SET_READONLY(ret->flags,0);
242  return ret;
243 }
GBOX * gbox_copy(const GBOX *box)
Return a copy of the GBOX, based on dimensionality of flags.
Definition: g_box.c:438
GBOX * bbox
Definition: liblwgeom.h:453
POINTARRAY ** rings
Definition: liblwgeom.h:457
POINTARRAY * ptarray_clone_deep(const POINTARRAY *ptarray)
Deep clone a pointarray (also clones serialized pointlist)
Definition: ptarray.c:630
int nrings
Definition: liblwgeom.h:455
uint8_t flags
Definition: liblwgeom.h:452
void * lwalloc(size_t size)
Definition: lwutil.c:229
#define FLAGS_SET_READONLY(flags, value)
Definition: liblwgeom.h:150
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