PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ lwcollection_to_wkb_buf()

static uint8_t* lwcollection_to_wkb_buf ( const LWCOLLECTION col,
uint8_t *  buf,
uint8_t  variant 
)
static

Definition at line 648 of file lwout_wkb.c.

649 {
650  uint32_t i;
651 
652  /* Set the endian flag */
653  buf = endian_to_wkb_buf(buf, variant);
654  /* Set the geometry type */
656  /* Set the optional SRID for extended variant */
657  if ( lwgeom_wkb_needs_srid((LWGEOM*)col, variant) )
658  buf = integer_to_wkb_buf(col->srid, buf, variant);
659  /* Set the number of sub-geometries */
660  buf = integer_to_wkb_buf(col->ngeoms, buf, variant);
661 
662  /* Write the sub-geometries. Sub-geometries do not get SRIDs, they
663  inherit from their parents. */
664  for ( i = 0; i < col->ngeoms; i++ )
665  {
666  buf = lwgeom_to_wkb_buf(col->geoms[i], buf, variant | WKB_NO_SRID);
667  }
668 
669  return buf;
670 }
static uint8_t variant
Definition: cu_in_twkb.c:26
#define WKB_NO_SRID
Definition: liblwgeom.h:2182
static int lwgeom_wkb_needs_srid(const LWGEOM *geom, uint8_t variant)
Definition: lwout_wkb.c:64
static uint8_t * endian_to_wkb_buf(uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:164
static uint32_t lwgeom_wkb_type(const LWGEOM *geom, uint8_t variant)
Definition: lwout_wkb.c:83
static uint8_t * lwgeom_to_wkb_buf(const LWGEOM *geom, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:739
static uint8_t * integer_to_wkb_buf(const uint32_t ival, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:197
int32_t srid
Definition: liblwgeom.h:460

References endian_to_wkb_buf(), LWCOLLECTION::geoms, integer_to_wkb_buf(), lwgeom_to_wkb_buf(), lwgeom_wkb_needs_srid(), lwgeom_wkb_type(), LWCOLLECTION::ngeoms, LWCOLLECTION::srid, variant, and WKB_NO_SRID.

Referenced by lwgeom_to_wkb_buf().

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