PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ LWGEOMFromTWKB()

Datum LWGEOMFromTWKB ( PG_FUNCTION_ARGS  )

Definition at line 380 of file lwgeom_inout.c.

381 {
382  bytea *bytea_twkb = PG_GETARG_BYTEA_P(0);
383  GSERIALIZED *geom;
384  LWGEOM *lwgeom;
385  uint8_t *twkb = (uint8_t*)VARDATA(bytea_twkb);
386 
387  lwgeom = lwgeom_from_twkb(twkb, VARSIZE_ANY_EXHDR(bytea_twkb), LW_PARSER_CHECK_ALL);
388 
389  if (lwgeom_needs_bbox(lwgeom))
390  lwgeom_add_bbox(lwgeom);
391 
392  geom = geometry_serialize(lwgeom);
393  lwgeom_free(lwgeom);
394  PG_FREE_IF_COPY(bytea_twkb, 0);
395  PG_RETURN_POINTER(geom);
396 }
LW_PARSER_CHECK_ALL
#define LW_PARSER_CHECK_ALL
Definition: liblwgeom.h:2115
lwgeom_free
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1155
lwgeom_from_twkb
LWGEOM * lwgeom_from_twkb(const uint8_t *twkb, size_t twkb_size, char check)
WKB inputs must have a declared size, to prevent malformed WKB from reading off the end of the memory...
Definition: lwin_twkb.c:654
lwgeom_needs_bbox
int lwgeom_needs_bbox(const LWGEOM *geom)
Check whether or not a lwgeom is big enough to warrant a bounding box.
Definition: lwgeom.c:1208
lwgeom_add_bbox
void lwgeom_add_bbox(LWGEOM *lwgeom)
Compute a bbox if not already computed.
Definition: lwgeom.c:695

References LW_PARSER_CHECK_ALL, lwgeom_add_bbox(), lwgeom_free(), lwgeom_from_twkb(), and lwgeom_needs_bbox().

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