From: Sandro Santilli <strk@keybit.net>
Date: Tue, 21 Sep 2004 16:08:03 +0000 (+0000)
Subject: reduced memory copies in GEOS2POSTGIS()
X-Git-Tag: pgis_1_0_0RC1~408
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5c1c4b5b2c4dd11374a6de2acdbd91235a3e1758;p=postgis

reduced memory copies in GEOS2POSTGIS()


git-svn-id: http://svn.osgeo.org/postgis/trunk@864 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/lwgeom/lwgeom_geos.c b/lwgeom/lwgeom_geos.c
index c2b7d4d2b..7bfc8f74d 100644
--- a/lwgeom/lwgeom_geos.c
+++ b/lwgeom/lwgeom_geos.c
@@ -1454,6 +1454,7 @@ GEOS2POSTGIS(Geometry *geom, char want3d)
 	LWGEOM_EXPLODED *oexp;
 	int SRID = GEOSGetSRID(geom);
 	int wantbbox = 0; // might as well be 1 ...
+	int size;
 
 	// Initialize exploded lwgeom
 	oexp = (LWGEOM_EXPLODED *)palloc(sizeof(LWGEOM_EXPLODED));
@@ -1466,10 +1467,14 @@ GEOS2POSTGIS(Geometry *geom, char want3d)
 	oexp->npolys = 0;
 	oexp->polys = palloc(sizeof(char *));
 
-
 	addToExploded_recursive(geom, oexp);
-	serialized = lwexploded_serialize(oexp, wantbbox);
-	result = LWGEOM_construct(serialized, SRID, wantbbox);
+
+	size = lwexploded_findlength(oexp, wantbbox);
+	size += 4; // postgresql size header
+	result = palloc(size);
+	result->size = size;
+	lwexploded_serialize_buf(oexp, wantbbox, SERIALIZED_FORM(result), NULL);
+
 	return result;
 }