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comparison: other-licenses/7zstub/src/7zip/Common/StreamUtils.cpp
other-licenses/7zstub/src/7zip/Common/StreamUtils.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:4a8469431e75 |
|---|---|
| 1 // StreamUtils.cpp | |
| 2 | |
| 3 #include "StdAfx.h" | |
| 4 | |
| 5 #include "../../Common/MyCom.h" | |
| 6 #include "StreamUtils.h" | |
| 7 | |
| 8 HRESULT ReadStream(ISequentialInStream *stream, void *data, UInt32 size, UInt32 *processedSize) | |
| 9 { | |
| 10 if (processedSize != 0) | |
| 11 *processedSize = 0; | |
| 12 while(size != 0) | |
| 13 { | |
| 14 UInt32 processedSizeLoc; | |
| 15 HRESULT res = stream->Read(data, size, &processedSizeLoc); | |
| 16 if (processedSize != 0) | |
| 17 *processedSize += processedSizeLoc; | |
| 18 data = (Byte *)((Byte *)data + processedSizeLoc); | |
| 19 size -= processedSizeLoc; | |
| 20 RINOK(res); | |
| 21 if (processedSizeLoc == 0) | |
| 22 return S_OK; | |
| 23 } | |
| 24 return S_OK; | |
| 25 } | |
| 26 | |
| 27 HRESULT WriteStream(ISequentialOutStream *stream, const void *data, UInt32 size, UInt32 *processedSize) | |
| 28 { | |
| 29 if (processedSize != 0) | |
| 30 *processedSize = 0; | |
| 31 while(size != 0) | |
| 32 { | |
| 33 UInt32 processedSizeLoc; | |
| 34 HRESULT res = stream->Write(data, size, &processedSizeLoc); | |
| 35 if (processedSize != 0) | |
| 36 *processedSize += processedSizeLoc; | |
| 37 data = (const void *)((const Byte *)data + processedSizeLoc); | |
| 38 size -= processedSizeLoc; | |
| 39 RINOK(res); | |
| 40 if (processedSizeLoc == 0) | |
| 41 break; | |
| 42 } | |
| 43 return S_OK; | |
| 44 } |
