PostGIS  2.5.1dev-r@@SVN_REVISION@@

◆ geography_from_binary()

Datum geography_from_binary ( PG_FUNCTION_ARGS  )

Definition at line 583 of file geography_inout.c.

References geography_from_geometry(), gserialized_geography_from_lwgeom(), LW_PARSER_CHECK_NONE, lwgeom_free(), lwgeom_from_wkb(), PG_FUNCTION_INFO_V1(), and LWGEOM::srid.

Referenced by geography_from_text().

584 {
585  char *wkb_bytea = (char*)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
586  GSERIALIZED *gser = NULL;
587  size_t wkb_size = VARSIZE(wkb_bytea);
588  uint8_t *wkb = (uint8_t*)VARDATA(wkb_bytea);
589  LWGEOM *lwgeom = lwgeom_from_wkb(wkb, wkb_size, LW_PARSER_CHECK_NONE);
590 
591  if ( ! lwgeom )
592  lwpgerror("Unable to parse WKB");
593 
594  /* Error on any SRID != default */
595  srid_is_latlong(fcinfo, lwgeom->srid);
596 
597  gser = gserialized_geography_from_lwgeom(lwgeom, -1);
598  lwgeom_free(lwgeom);
599  PG_RETURN_POINTER(gser);
600 }
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1144
int32_t srid
Definition: liblwgeom.h:401
#define LW_PARSER_CHECK_NONE
Definition: liblwgeom.h:2004
GSERIALIZED * gserialized_geography_from_lwgeom(LWGEOM *lwgeom, int32 geog_typmod)
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:770
unsigned char uint8_t
Definition: uthash.h:79
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