PostGIS  2.3.8dev-r@@SVN_REVISION@@

◆ geography_recv()

Datum geography_recv ( PG_FUNCTION_ARGS  )

Definition at line 656 of file geography_inout.c.

References geography_send(), gserialized_geography_from_lwgeom(), LW_PARSER_CHECK_ALL, lwgeom_free(), lwgeom_from_wkb(), PG_FUNCTION_INFO_V1(), and LWGEOM::srid.

Referenced by geometry_from_geography().

657 {
658  StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
659  int32 geog_typmod = -1;
660  LWGEOM *lwgeom = NULL;
661  GSERIALIZED *g_ser = NULL;
662 
663  if ( (PG_NARGS()>2) && (!PG_ARGISNULL(2)) ) {
664  geog_typmod = PG_GETARG_INT32(2);
665  }
666 
667  lwgeom = lwgeom_from_wkb((uint8_t*)buf->data, buf->len, LW_PARSER_CHECK_ALL);
668 
669  /* Error on any SRID != default */
670  srid_is_latlong(fcinfo, lwgeom->srid);
671 
672  g_ser = gserialized_geography_from_lwgeom(lwgeom, geog_typmod);
673 
674  /* Clean up temporary object */
675  lwgeom_free(lwgeom);
676 
677  /* Set cursor to the end of buffer (so the backend is happy) */
678  buf->cursor = buf->len;
679 
680  PG_RETURN_POINTER(g_ser);
681 }
unsigned int int32
Definition: shpopen.c:273
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1063
int32_t srid
Definition: liblwgeom.h:398
GSERIALIZED * gserialized_geography_from_lwgeom(LWGEOM *lwgeom, int32 geog_typmod)
#define LW_PARSER_CHECK_ALL
Definition: liblwgeom.h:1986
LWGEOM * lwgeom_from_wkb(const uint8_t *wkb, const size_t wkb_size, const char check)
WKB inputs must have a declared size, to prevent malformed WKB from reading off the end of the memory...
Definition: lwin_wkb.c:765
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