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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /other-licenses/7zstub/src/7zip/Common/StreamObjects.cpp | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'other-licenses/7zstub/src/7zip/Common/StreamObjects.cpp')
| -rw-r--r-- | other-licenses/7zstub/src/7zip/Common/StreamObjects.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/7zip/Common/StreamObjects.cpp b/other-licenses/7zstub/src/7zip/Common/StreamObjects.cpp new file mode 100644 index 000000000..459df66cf --- /dev/null +++ b/other-licenses/7zstub/src/7zip/Common/StreamObjects.cpp @@ -0,0 +1,102 @@ +// StreamObjects.cpp
+
+#include "StdAfx.h"
+
+#include "StreamObjects.h"
+#include "../../Common/Defs.h"
+
+
+STDMETHODIMP CSequentialInStreamImp::Read(void *data, UInt32 size, UInt32 *processedSize)
+{
+ UInt32 numBytesToRead = (UInt32)(MyMin(_pos + size, _size) - _pos);
+ memmove(data, _dataPointer + _pos, numBytesToRead);
+ _pos += numBytesToRead;
+ if(processedSize != NULL)
+ *processedSize = numBytesToRead;
+ return S_OK;
+}
+
+
+void CWriteBuffer::Write(const void *data, size_t size)
+{
+ size_t newCapacity = _size + size;
+ _buffer.EnsureCapacity(newCapacity);
+ memmove(_buffer + _size, data, size);
+ _size += size;
+}
+
+STDMETHODIMP CSequentialOutStreamImp::Write(const void *data, UInt32 size, UInt32 *processedSize)
+{
+ _writeBuffer.Write(data, size);
+ if(processedSize != NULL)
+ *processedSize = size;
+ return S_OK;
+}
+
+STDMETHODIMP CSequentialOutStreamImp2::Write(const void *data, UInt32 size, UInt32 *processedSize)
+{
+ UInt32 newSize = size;
+ if (_pos + size > _size)
+ newSize = (UInt32)(_size - _pos);
+ memmove(_buffer + _pos, data, newSize);
+ if(processedSize != NULL)
+ *processedSize = newSize;
+ _pos += newSize;
+ if (newSize != size)
+ return E_FAIL;
+ return S_OK;
+}
+
+STDMETHODIMP CSequentialInStreamSizeCount::Read(void *data, UInt32 size, UInt32 *processedSize)
+{
+ UInt32 realProcessedSize;
+ HRESULT result = _stream->Read(data, size, &realProcessedSize);
+ _size += realProcessedSize;
+ if (processedSize != 0)
+ *processedSize = realProcessedSize;
+ return result;
+}
+
+STDMETHODIMP CSequentialInStreamRollback::Read(void *data, UInt32 size, UInt32 *processedSize)
+{
+ if (_currentPos != _currentSize)
+ {
+ size_t curSize = _currentSize - _currentPos;
+ if (size > curSize)
+ size = (UInt32)curSize;
+ memmove(data, _buffer + _currentPos, size);
+ _currentPos += size;
+ if (processedSize != 0)
+ *processedSize = size;
+ return S_OK;
+ }
+ UInt32 realProcessedSize;
+ if (size > _bufferSize)
+ size = (UInt32)_bufferSize;
+ HRESULT result = _stream->Read(_buffer, size, &realProcessedSize);
+ memmove(data, _buffer, realProcessedSize);
+ _size += realProcessedSize;
+ _currentSize = realProcessedSize;
+ _currentPos = realProcessedSize;
+ if (processedSize != 0)
+ *processedSize = realProcessedSize;
+ return result;
+}
+
+HRESULT CSequentialInStreamRollback::Rollback(size_t rollbackSize)
+{
+ if (rollbackSize > _currentPos)
+ return E_INVALIDARG;
+ _currentPos -= rollbackSize;
+ return S_OK;
+}
+
+STDMETHODIMP CSequentialOutStreamSizeCount::Write(const void *data, UInt32 size, UInt32 *processedSize)
+{
+ UInt32 realProcessedSize;
+ HRESULT result = _stream->Write(data, size, &realProcessedSize);
+ _size += realProcessedSize;
+ if (processedSize != 0)
+ *processedSize = realProcessedSize;
+ return result;
+}
|