1 files changed, 29 insertions, 0 deletions
diff --git a/comm/mailnews/mime/emitters/nsMimeRebuffer.h b/comm/mailnews/mime/emitters/nsMimeRebuffer.h
new file mode 100644
index 0000000000..8f22c35961
--- /dev/null
+++ b/comm/mailnews/mime/emitters/nsMimeRebuffer.h
@@ -0,0 +1,29 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 _rebuffer_h_
+#define _rebuffer_h_
+
+#include <stdint.h>
+#include "nsString.h"
+
+//////////////////////////////////////////////////////////////
+// A rebuffering class necessary for stream output buffering
+//////////////////////////////////////////////////////////////
+
+class MimeRebuffer {
+ public:
+  MimeRebuffer(void);
+  virtual ~MimeRebuffer(void);
+
+  uint32_t GetSize();
+  uint32_t IncreaseBuffer(const nsACString& addBuf);
+  uint32_t ReduceBuffer(uint32_t numBytes);
+  nsACString& GetBuffer();
+
+ protected:
+  nsCString mBuf;
+};
+
+#endif /* _rebuffer_h_ */