author Max Stepin <>
Mon, 27 Feb 2012 18:57:27 -0500
changeset 89393 44fc3b0c25f7dbcc25542e1e9becf312eb357aaf
parent 80363 b46ffd95bfd836109a7d9b8b504be14b2206271f
child 96742 f4157e8c410708d76703f19e4dfb61859bfe32d8
child 108897 89fff0ee52d5e237060a44b133a68e723dab8ae4
permissions -rw-r--r--
Bug 648690 - Update libpng to version 1.5.9 (upstream changes). r=joedrew

/* -*-  Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 * The Original Code is Startup Cache.
 * The Initial Developer of the Original Code is
 * The Mozilla Foundation <>.
 * Portions created by the Initial Developer are Copyright (C) 2009
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 *  Benedict Hsieh <>
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 * ***** END LICENSE BLOCK ***** */
#ifndef nsStartupCacheUtils_h_
#define nsStartupCacheUtils_h_

#include "nsIStorageStream.h"
#include "nsIObjectInputStream.h"
#include "nsIObjectOutputStream.h"

namespace mozilla {
namespace scache {

NS_EXPORT nsresult
NewObjectInputStreamFromBuffer(char* buffer, PRUint32 len, 
                               nsIObjectInputStream** stream);

// We can't retrieve the wrapped stream from the objectOutputStream later,
// so we return it here. We give callers in debug builds the option 
// to wrap the outputstream in a debug stream, which will detect if
// non-singleton objects are written out multiple times during a serialization.
// This could cause them to be deserialized incorrectly (as multiple copies
// instead of references).
NS_EXPORT nsresult
NewObjectOutputWrappedStorageStream(nsIObjectOutputStream **wrapperStream,
                                    nsIStorageStream** stream,
                                    bool wantDebugStream);

// Creates a buffer for storing the stream into the cache. The buffer is
// allocated with 'new []'. Typically, the caller would store the buffer in
// an nsAutoArrayPtr<char> and then call nsIStartupCache::PutBuffer with it.
NS_EXPORT nsresult
NewBufferFromStorageStream(nsIStorageStream *storageStream, 
                           char** buffer, PRUint32* len);

NS_EXPORT nsresult
PathifyURI(nsIURI *in, nsACString &out);
#endif //nsStartupCacheUtils_h_