startupcache/StartupCacheUtils.h

   1 /* -*-  Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is Startup Cache.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * The Mozilla Foundation <http://www.mozilla.org/>.
  19  * Portions created by the Initial Developer are Copyright (C) 2009
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *  Benedict Hsieh <bhsieh@mozilla.com>
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38 #ifndef nsStartupCacheUtils_h_
  39 #define nsStartupCacheUtils_h_
  40
  41 #include "nsIStorageStream.h"
  42 #include "nsIObjectInputStream.h"
  43 #include "nsIObjectOutputStream.h"
  44
  45 namespace mozilla {
  46 namespace scache {
  47
  48 NS_EXPORT nsresult
  49 NS_NewObjectInputStreamFromBuffer(char* buffer, PRUint32 len,
  50                                   nsIObjectInputStream** stream);
  51
  52 // We can't retrieve the wrapped stream from the objectOutputStream later,
  53 // so we return it here.
  54 NS_EXPORT nsresult
  55 NS_NewObjectOutputWrappedStorageStream(nsIObjectOutputStream **wrapperStream,
  56                                        nsIStorageStream** stream);
  57
  58 NS_EXPORT nsresult
  59 NS_NewBufferFromStorageStream(nsIStorageStream *storageStream,
  60                               char** buffer, PRUint32* len);
  61 }
  62 }
  63 #endif //nsStartupCacheUtils_h_