From 04dcd34883c258d2df661b4526c8a5e12605997d Mon Sep 17 00:00:00 2001
From: Martin Poirier <theeth@yahoo.com>
Date: Thu, 13 Dec 2007 21:10:00 +0000
Subject: [PATCH] Correct aweful bug in transform snapping code. How that even
 work is beyond magic!

Reported by some (crash) and pin pointed by Briggs, thanks a lot!

This should fix the apparently completely random crashes.
---
 source/blender/src/transform_snap.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/source/blender/src/transform_snap.c b/source/blender/src/transform_snap.c
index d62d49c2de8..355c150657e 100644
--- a/source/blender/src/transform_snap.c
+++ b/source/blender/src/transform_snap.c
@@ -471,12 +471,13 @@ void TargetSnapMedian(TransInfo *t)
 	if ((t->tsnap.status & TARGET_INIT) == 0)
 	{
 		TransData *td = NULL;
+		int i;
 
 		t->tsnap.snapTarget[0] = 0;
 		t->tsnap.snapTarget[1] = 0;
 		t->tsnap.snapTarget[2] = 0;
 		
-		for (td = t->data; td != NULL && td->flag & TD_SELECTED ; td++)
+		for(td = t->data, i = 0 ; i < t->total && td->flag & TD_SELECTED ; i++, td++)
 		{
 			VecAddf(t->tsnap.snapTarget, t->tsnap.snapTarget, td->iloc);
 		}
@@ -514,7 +515,8 @@ void TargetSnapClosest(TransInfo *t)
 		// More than one selected item
 		else
 			{
-			for (td = t->data; td != NULL && td->flag & TD_SELECTED ; td++)
+			int i;
+			for(td = t->data, i = 0 ; i < t->total && td->flag & TD_SELECTED ; i++, td++)
 			{
 				float loc[3];
 				float dist;