1 files changed, 50 insertions, 0 deletions
diff --git a/comm/mailnews/db/mork/orkinHeap.h b/comm/mailnews/db/mork/orkinHeap.h
new file mode 100644
index 0000000000..f431d6fe82
--- /dev/null
+++ b/comm/mailnews/db/mork/orkinHeap.h
@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-  */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _ORKINHEAP_
+#define _ORKINHEAP_ 1
+
+#ifndef _MDB_
+#  include "mdb.h"
+#endif
+
+#ifndef _MORK_
+#  include "mork.h"
+#endif
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+#define orkinHeap_kTag 0x68456150 /* ascii 'hEaP' */
+
+/*| orkinHeap:
+|*/
+class orkinHeap : public nsIMdbHeap {  //
+ protected:
+  size_t mUsedSize;
+
+ public:
+  orkinHeap();           // does nothing
+  virtual ~orkinHeap();  // does nothing
+
+ private:  // copying is not allowed
+  orkinHeap(const orkinHeap& other);
+  orkinHeap& operator=(const orkinHeap& other);
+
+ public:
+  // { ===== begin nsIMdbHeap methods =====
+  NS_IMETHOD Alloc(nsIMdbEnv* ev,     // allocate a piece of memory
+                   mdb_size inSize,   // requested size of new memory block
+                   void** outBlock);  // memory block of inSize bytes, or nil
+
+  NS_IMETHOD Free(nsIMdbEnv* ev,  // free block allocated earlier by Alloc()
+                  void* inBlock);
+
+  virtual size_t GetUsedSize();
+  // } ===== end nsIMdbHeap methods =====
+};
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+#endif /* _ORKINHEAP_ */