PostGIS  3.0.0dev-r@@SVN_REVISION@@

◆ ptarray_clone_deep()

POINTARRAY* ptarray_clone_deep ( const POINTARRAY ptarray)

Deep clone a pointarray (also clones serialized pointlist)

Definition at line 622 of file ptarray.c.

References POINTARRAY::flags, FLAGS_SET_READONLY, lwalloc(), LWDEBUG, POINTARRAY::maxpoints, POINTARRAY::npoints, ptarray_point_size(), and POINTARRAY::serialized_pointlist.

Referenced by _lwt_HealEdges(), _lwt_MakeRingShell(), lwcurvepoly_construct_from_lwpoly(), lwcurvepoly_linearize(), LWGEOM_dump_rings(), lwline_clone_deep(), lwmcurve_linearize(), lwmsurface_linearize(), lwpoly_clone_deep(), lwpoly_from_lwlines(), lwtriangle_from_lwline(), parse_kml_coordinates(), and ptarray_remove_repeated_points_minpoints().

623 {
624  POINTARRAY *out = lwalloc(sizeof(POINTARRAY));
625  size_t size;
626 
627  LWDEBUG(3, "ptarray_clone_deep called.");
628 
629  out->flags = in->flags;
630  out->npoints = in->npoints;
631  out->maxpoints = in->npoints;
632 
633  FLAGS_SET_READONLY(out->flags, 0);
634 
635  size = in->npoints * ptarray_point_size(in);
636  out->serialized_pointlist = lwalloc(size);
637  memcpy(out->serialized_pointlist, in->serialized_pointlist, size);
638 
639  return out;
640 }
uint8_t * serialized_pointlist
Definition: liblwgeom.h:368
#define LWDEBUG(level, msg)
Definition: lwgeom_log.h:83
uint32_t maxpoints
Definition: liblwgeom.h:374
uint8_t flags
Definition: liblwgeom.h:371
static size_t ptarray_point_size(const POINTARRAY *pa)
Definition: lwinline.h:48
void * lwalloc(size_t size)
Definition: lwutil.c:227
#define FLAGS_SET_READONLY(flags, value)
Definition: liblwgeom.h:149
uint32_t npoints
Definition: liblwgeom.h:373
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