other-licenses/7zstub/src/7zip/Common/InOutTempBuffer.h@97036ab72558
other-licenses/7zstub/src/7zip/Common/InOutTempBuffer.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 // Util/InOutTempBuffer.h
3 #ifndef __IN_OUT_TEMP_BUFFER_H
4 #define __IN_OUT_TEMP_BUFFER_H
6 #include "../../Windows/FileIO.h"
7 #include "../../Windows/FileDir.h"
8 #include "../../Common/MyCom.h"
10 #include "../IStream.h"
12 class CInOutTempBuffer
13 {
14 NWindows::NFile::NDirectory::CTempFile _tempFile;
15 NWindows::NFile::NIO::COutFile _outFile;
16 NWindows::NFile::NIO::CInFile _inFile;
17 Byte *_buffer;
18 UInt32 _bufferPosition;
19 UInt32 _currentPositionInBuffer;
20 CSysString _tmpFileName;
21 bool _tmpFileCreated;
23 UInt64 _fileSize;
25 bool WriteToFile(const void *data, UInt32 size);
26 public:
27 CInOutTempBuffer();
28 ~CInOutTempBuffer();
29 void Create();
31 void InitWriting();
32 bool Write(const void *data, UInt32 size);
33 UInt64 GetDataSize() const { return _fileSize; }
34 bool FlushWrite();
35 bool InitReading();
36 HRESULT WriteToStream(ISequentialOutStream *stream);
37 };
39 class CSequentialOutTempBufferImp:
40 public ISequentialOutStream,
41 public CMyUnknownImp
42 {
43 CInOutTempBuffer *_buffer;
44 public:
45 // CSequentialOutStreamImp(): _size(0) {}
46 // UInt32 _size;
47 void Init(CInOutTempBuffer *buffer) { _buffer = buffer; }
48 // UInt32 GetSize() const { return _size; }
50 MY_UNKNOWN_IMP
52 STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
53 };
55 #endif
