From 7974060a4010c91f978fe91e74b0e1967dc30a90 Mon Sep 17 00:00:00 2001
From: frsyuki <frsyuki@users.sourceforge.jp>
Date: Sun, 26 Sep 2010 11:37:37 +0900
Subject: [PATCH] cpp: zone: adds msgpack_zone_swap and msgpack::zone::swap

---
 cpp/src/msgpack/zone.h       | 11 ++++++++++-
 cpp/src/msgpack/zone.hpp.erb |  9 ++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/cpp/src/msgpack/zone.h b/cpp/src/msgpack/zone.h
index d8c60b68..0f5817f3 100644
--- a/cpp/src/msgpack/zone.h
+++ b/cpp/src/msgpack/zone.h
@@ -1,7 +1,7 @@
 /*
  * MessagePack for C memory pool implementation
  *
- * Copyright (C) 2008-2009 FURUHASHI Sadayuki
+ * Copyright (C) 2008-2010 FURUHASHI Sadayuki
  *
  *    Licensed under the Apache License, Version 2.0 (the "License");
  *    you may not use this file except in compliance with the License.
@@ -73,6 +73,8 @@ static inline void* msgpack_zone_malloc_no_align(msgpack_zone* zone, size_t size
 static inline bool msgpack_zone_push_finalizer(msgpack_zone* zone,
 		void (*func)(void* data), void* data);
 
+static inline void msgpack_zone_swap(msgpack_zone* a, msgpack_zone* b);
+
 bool msgpack_zone_is_empty(msgpack_zone* zone);
 
 void msgpack_zone_clear(msgpack_zone* zone);
@@ -129,6 +131,13 @@ bool msgpack_zone_push_finalizer(msgpack_zone* zone,
 	return true;
 }
 
+void msgpack_zone_swap(msgpack_zone* a, msgpack_zone* b)
+{
+	msgpack_zone tmp = *a;
+	*a = *b;
+	*b = tmp;
+}
+
 
 #ifdef __cplusplus
 }
diff --git a/cpp/src/msgpack/zone.hpp.erb b/cpp/src/msgpack/zone.hpp.erb
index 1cef05ec..c6f5481a 100644
--- a/cpp/src/msgpack/zone.hpp.erb
+++ b/cpp/src/msgpack/zone.hpp.erb
@@ -1,7 +1,7 @@
 //
 // MessagePack for C++ memory pool
 //
-// Copyright (C) 2008-2009 FURUHASHI Sadayuki
+// Copyright (C) 2008-2010 FURUHASHI Sadayuki
 //
 //    Licensed under the Apache License, Version 2.0 (the "License");
 //    you may not use this file except in compliance with the License.
@@ -43,6 +43,8 @@ public:
 
 	void clear();
 
+	void swap(zone& o);
+
 	<%0.upto(GENERATION_LIMIT) {|i|%>
 	template <typename T<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
 	T* allocate(<%=(1..i).map{|j|"A#{j} a#{j}"}.join(', ')%>);
@@ -111,6 +113,11 @@ inline void zone::clear()
 	msgpack_zone_clear(this);
 }
 
+inline void zone::swap(zone& o)
+{
+	msgpack_zone_swap(this, &o);
+}
+
 template <typename T>
 void zone::object_destructor(void* obj)
 {