From 57d7ae0365b44752b8c38c3046d8f1b76c72362b Mon Sep 17 00:00:00 2001
From: Peter Schlaile <peter@schlaile.de>
Date: Sun, 5 Feb 2006 18:56:30 +0000
Subject: Adds generic memcache limitor (used by the new sequencer to cache
 only a certain amount of frames).

---
 intern/memutil/MEM_Allocator.h | 89 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 intern/memutil/MEM_Allocator.h

(limited to 'intern/memutil/MEM_Allocator.h')

diff --git a/intern/memutil/MEM_Allocator.h b/intern/memutil/MEM_Allocator.h
new file mode 100644
index 00000000000..40716496d16
--- /dev/null
+++ b/intern/memutil/MEM_Allocator.h
@@ -0,0 +1,89 @@
+/**
+ *
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * Contributor(s): Peter Schlaile <peter@schlaile.de> 2005
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+
+#ifndef __MEM_Allocator_h_included__
+#define __MEM_Allocator_h_included__ 1
+
+#include "guardedalloc/MEM_guardedalloc.h"
+
+template<typename _Tp>
+struct MEM_Allocator
+{
+	typedef size_t    size_type;
+	typedef ptrdiff_t difference_type;
+	typedef _Tp*       pointer;
+	typedef const _Tp* const_pointer;
+	typedef _Tp&       reference;
+	typedef const _Tp& const_reference;
+	typedef _Tp        value_type;
+
+	template<typename _Tp1>
+        struct rebind { 
+		typedef MEM_Allocator<_Tp1> other; 
+	};
+
+	MEM_Allocator() throw() {}
+	MEM_Allocator(const MEM_Allocator& __a) throw() {}
+
+	template<typename _Tp1>
+        MEM_Allocator(const MEM_Allocator<_Tp1> __a) throw() { }
+
+	~MEM_Allocator() throw() {}
+
+	pointer address(reference __x) const { return &__x; }
+
+	const_pointer address(const_reference __x) const { return &__x; }
+
+	// NB: __n is permitted to be 0.  The C++ standard says nothing
+	// about what the return value is when __n == 0.
+	_Tp* allocate(size_type __n, const void* = 0) {
+		_Tp* __ret = 0;
+		if (__n)
+			__ret = static_cast<_Tp*>(
+				MEM_mallocN(__n * sizeof(_Tp),
+					    "STL MEM_Allocator"));
+		return __ret;
+	}
+
+	// __p is not permitted to be a null pointer.
+	void deallocate(pointer __p, size_type){ 
+		MEM_freeN(__p);
+	}
+
+	size_type max_size() const throw() { 
+		return size_t(-1) / sizeof(_Tp); 
+	}
+
+	void construct(pointer __p, const _Tp& __val) { 
+		new(__p) _Tp(__val); 
+	}
+
+	void destroy(pointer __p) { 
+		__p->~_Tp(); 
+	}
+};
+
+#endif
-- 
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