The Tor Browser / file comparison
comparison: other-licenses/7zstub/src/7zip/Compress/Copy/CopyCoder.cpp
other-licenses/7zstub/src/7zip/Compress/Copy/CopyCoder.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
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replaced
| -1:000000000000 | 0:6935bea3a500 |
|---|---|
| 1 // Compress/CopyCoder.cpp | |
| 2 | |
| 3 #include "StdAfx.h" | |
| 4 | |
| 5 #include "CopyCoder.h" | |
| 6 #include "../../../Common/Alloc.h" | |
| 7 #include "../../Common/StreamUtils.h" | |
| 8 | |
| 9 namespace NCompress { | |
| 10 | |
| 11 static const UInt32 kBufferSize = 1 << 17; | |
| 12 | |
| 13 CCopyCoder::~CCopyCoder() | |
| 14 { | |
| 15 ::MidFree(_buffer); | |
| 16 } | |
| 17 | |
| 18 STDMETHODIMP CCopyCoder::Code(ISequentialInStream *inStream, | |
| 19 ISequentialOutStream *outStream, | |
| 20 const UInt64 *inSize, const UInt64 *outSize, | |
| 21 ICompressProgressInfo *progress) | |
| 22 { | |
| 23 if (_buffer == 0) | |
| 24 { | |
| 25 _buffer = (Byte *)::MidAlloc(kBufferSize); | |
| 26 if (_buffer == 0) | |
| 27 return E_OUTOFMEMORY; | |
| 28 } | |
| 29 | |
| 30 TotalSize = 0; | |
| 31 while(true) | |
| 32 { | |
| 33 UInt32 realProcessedSize; | |
| 34 UInt32 size = kBufferSize; | |
| 35 if (outSize != 0) | |
| 36 if (size > *outSize - TotalSize) | |
| 37 size = (UInt32)(*outSize - TotalSize); | |
| 38 RINOK(inStream->Read(_buffer, size, &realProcessedSize)); | |
| 39 if(realProcessedSize == 0) | |
| 40 break; | |
| 41 RINOK(WriteStream(outStream, _buffer, realProcessedSize, NULL)); | |
| 42 TotalSize += realProcessedSize; | |
| 43 if (progress != NULL) | |
| 44 { | |
| 45 RINOK(progress->SetRatioInfo(&TotalSize, &TotalSize)); | |
| 46 } | |
| 47 } | |
| 48 return S_OK; | |
| 49 } | |
| 50 | |
| 51 } | |
| 52 |
