From 4cc503eeda4f9e82790acbd5312f909b898c199e Mon Sep 17 00:00:00 2001
From: Sandro Santilli <strk@keybit.net>
Date: Fri, 7 Jan 2005 16:43:45 +0000
Subject: [PATCH] Fixed handling of empty collection in GEOS2POSTGIS converter

git-svn-id: http://svn.osgeo.org/postgis/trunk@1259 b70326c6-7e19-0410-871a-916f4a2858ee
---
 lwgeom/lwgeom_geos.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lwgeom/lwgeom_geos.c b/lwgeom/lwgeom_geos.c
index 11d83f88d..8a3205dfc 100644
--- a/lwgeom/lwgeom_geos.c
+++ b/lwgeom/lwgeom_geos.c
@@ -2129,7 +2129,7 @@ LWCOLLECTION *
 lwcollection_from_geometry(Geometry *geom, char want3d)
 {
 	uint32 ngeoms;
-	LWGEOM **geoms;
+	LWGEOM **geoms = NULL;
 	LWCOLLECTION *ret;
 	int type = GEOSGeometryTypeId(geom) ;
 	int SRID = GEOSGetSRID(geom);
@@ -2142,7 +2142,7 @@ lwcollection_from_geometry(Geometry *geom, char want3d)
 		lwgeom_typename(type), ngeoms);
 #endif
 
-	geoms = lwalloc(sizeof(LWGEOM *)*ngeoms);
+	if ( ngeoms ) geoms = lwalloc(sizeof(LWGEOM *)*ngeoms);
 
 	for (i=0; i<ngeoms; i++)
 	{
@@ -2180,7 +2180,6 @@ lwgeom_from_geometry(Geometry *geom, char want3d)
 #ifdef DEBUG_GEOS2POSTGIS
 	lwnotice("lwgeom_from_geometry: it's a %s", lwgeom_typename(type));
 #endif
-
 	switch (type)
 	{
 		/* From slower to faster.. compensation rule :) */
-- 
2.40.0