From 7f3437a771ae421f7f9dddc0b945c12e94d7a8c4 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 4 Jun 2010 16:16:30 +0200
Subject: Add reset() to shared_ptr

---
 cutl/shared-ptr.hxx      | 10 ++++++++++
 cutl/shared-ptr/base.txx |  9 +++++++++
 2 files changed, 19 insertions(+)

diff --git a/cutl/shared-ptr.hxx b/cutl/shared-ptr.hxx
index 0fc948b..de85447 100644
--- a/cutl/shared-ptr.hxx
+++ b/cutl/shared-ptr.hxx
@@ -118,6 +118,16 @@ namespace cutl
       return r;
     }
 
+    void
+    reset (X* x)
+    {
+      if (x_ != 0)
+        base::dec (x_);
+
+      base::reset (x);
+      x_ = x;
+    }
+
     std::size_t
     count () const
     {
diff --git a/cutl/shared-ptr/base.txx b/cutl/shared-ptr/base.txx
index 92ffa17..dae6083 100644
--- a/cutl/shared-ptr/base.txx
+++ b/cutl/shared-ptr/base.txx
@@ -103,6 +103,12 @@ namespace cutl
       }
 
       void
+      reset (X const* p)
+      {
+        counter_ = p ? bits::counter (p) : 0;
+      }
+
+      void
       inc (X*)
       {
         (*counter_)++;
@@ -133,6 +139,9 @@ namespace cutl
       counter_ops (Y const*) {}
 
       void
+      reset (Y const*) {}
+
+      void
       inc (shared_base* p) {p->_inc_ref ();}
 
       void
-- 
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