From: Paul Ramsey <pramsey@cleverelephant.ca>
Date: Thu, 25 Oct 2012 20:36:00 +0000 (+0000)
Subject: Fix error in ptarray traversal.
X-Git-Tag: 2.1.0beta2~453
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=752583350f4688576bf7796f0a1c9ca522c04a93;p=postgis

Fix error in ptarray traversal.


git-svn-id: http://svn.osgeo.org/postgis/trunk@10565 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/liblwgeom/ptarray.c b/liblwgeom/ptarray.c
index 75abf066b..fe8ea7976 100644
--- a/liblwgeom/ptarray.c
+++ b/liblwgeom/ptarray.c
@@ -1551,7 +1551,7 @@ ptarray_length(const POINTARRAY *pts)
 	getPoint3dz_p(pts, 0, &frm);
 	for ( i=1; i < pts->npoints; i++ )
 	{
-		getPoint3dz_p(pts, i+1, &to);
+		getPoint3dz_p(pts, i, &to);
 		dist += sqrt( ((frm.x - to.x)*(frm.x - to.x)) +
 		              ((frm.y - to.y)*(frm.y - to.y)) +
 		              ((frm.z - to.z)*(frm.z - to.z)) );