From 39cb30a4beeb5f5ae3a8a6070d65300c29ce6d88 Mon Sep 17 00:00:00 2001
From: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
Date: Fri, 7 Sep 2007 18:49:47 +0200
Subject: [PATCH] simplify Iterator::GetDistanceFrom method

---
 src/common/buffer.cc | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/common/buffer.cc b/src/common/buffer.cc
index e30dc7b39..8bef1500e 100644
--- a/src/common/buffer.cc
+++ b/src/common/buffer.cc
@@ -280,9 +280,7 @@ uint32_t
 Buffer::Iterator::GetDistanceFrom (Iterator const &o) const
 {
   NS_ASSERT (m_data == o.m_data);
-  int32_t start = m_current;
-  int32_t end = o.m_current;
-  int32_t diff = end - start;
+  int32_t diff = m_current - o.m_current;
   if (diff < 0)
     {
       return -diff;