Extra comments on fix for #239

git-svn-id: http://svn.osgeo.org/postgis/branches/1.4@4420 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/postgis/lwgeom_svg.c b/postgis/lwgeom_svg.c
index 8b6d3b42141b20840287b2f55125abb88e2cc7dc..e2db0fbbc5b2d96742223a0080bb42b6b1bc3a02 100644 (file)
--- a/postgis/lwgeom_svg.c
+++ b/postgis/lwgeom_svg.c
@@ -449,7 +449,7 @@ assvg_multipolygon(LWGEOM_INSPECTED *poly, bool relative, int precision)
 static size_t
 assvg_collection_size(LWGEOM_INSPECTED *insp, bool relative, int precision)
 {
-       int i;
+       int i = 0;
        size_t size=0;
        LWGEOM_INSPECTED *subinsp;
        uchar *subgeom;
@@ -461,7 +461,7 @@ assvg_collection_size(LWGEOM_INSPECTED *insp, bool relative, int precision)
                size += assvg_inspected_size(subinsp, relative, precision);
                lwinspected_release(subinsp);
        }
-       if ( size )
+       if ( i ) /* We have some geometries, so add space for delimiters. */ 
                size += sizeof(";") * --i;
 
        return size;