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-rw-r--r--installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Common/InOutTempBuffer.cpp122
1 files changed, 122 insertions, 0 deletions
diff --git a/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Common/InOutTempBuffer.cpp b/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Common/InOutTempBuffer.cpp
new file mode 100644
index 000000000..4cc0b2f24
--- /dev/null
+++ b/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Common/InOutTempBuffer.cpp
@@ -0,0 +1,122 @@
+// InOutTempBuffer.cpp
+
+#include "StdAfx.h"
+
+#include "InOutTempBuffer.h"
+#include "../../Common/Defs.h"
+// #include "Windows/Defs.h"
+
+#include "StreamUtils.h"
+
+using namespace NWindows;
+using namespace NFile;
+using namespace NDirectory;
+
+static UInt32 kTmpBufferMemorySize = (1 << 20);
+
+static LPCTSTR kTempFilePrefixString = TEXT("iot");
+
+CInOutTempBuffer::CInOutTempBuffer():
+ _buffer(NULL)
+{
+}
+
+void CInOutTempBuffer::Create()
+{
+ _buffer = new Byte[kTmpBufferMemorySize];
+}
+
+CInOutTempBuffer::~CInOutTempBuffer()
+{
+ delete []_buffer;
+}
+void CInOutTempBuffer::InitWriting()
+{
+ _bufferPosition = 0;
+ _tmpFileCreated = false;
+ _fileSize = 0;
+}
+
+bool CInOutTempBuffer::WriteToFile(const void *data, UInt32 size)
+{
+ if (size == 0)
+ return true;
+ if(!_tmpFileCreated)
+ {
+ CSysString tempDirPath;
+ if(!MyGetTempPath(tempDirPath))
+ return false;
+ if (_tempFile.Create(tempDirPath, kTempFilePrefixString, _tmpFileName) == 0)
+ return false;
+ // _outFile.SetOpenCreationDispositionCreateAlways();
+ if(!_outFile.Create(_tmpFileName, true))
+ return false;
+ _tmpFileCreated = true;
+ }
+ UInt32 processedSize;
+ if(!_outFile.Write(data, size, processedSize))
+ return false;
+ _fileSize += processedSize;
+ return (processedSize == size);
+}
+
+bool CInOutTempBuffer::FlushWrite()
+{
+ return _outFile.Close();
+}
+
+bool CInOutTempBuffer::Write(const void *data, UInt32 size)
+{
+ if(_bufferPosition < kTmpBufferMemorySize)
+ {
+ UInt32 curSize = MyMin(kTmpBufferMemorySize - _bufferPosition, size);
+ memmove(_buffer + _bufferPosition, (const Byte *)data, curSize);
+ _bufferPosition += curSize;
+ size -= curSize;
+ data = ((const Byte *)data) + curSize;
+ _fileSize += curSize;
+ }
+ return WriteToFile(data, size);
+}
+
+bool CInOutTempBuffer::InitReading()
+{
+ _currentPositionInBuffer = 0;
+ if(_tmpFileCreated)
+ return _inFile.Open(_tmpFileName);
+ return true;
+}
+
+HRESULT CInOutTempBuffer::WriteToStream(ISequentialOutStream *stream)
+{
+ if (_currentPositionInBuffer < _bufferPosition)
+ {
+ UInt32 sizeToWrite = _bufferPosition - _currentPositionInBuffer;
+ RINOK(WriteStream(stream, _buffer + _currentPositionInBuffer, sizeToWrite));
+ _currentPositionInBuffer += sizeToWrite;
+ }
+ if (!_tmpFileCreated)
+ return true;
+ for (;;)
+ {
+ UInt32 localProcessedSize;
+ if (!_inFile.ReadPart(_buffer, kTmpBufferMemorySize, localProcessedSize))
+ return E_FAIL;
+ if (localProcessedSize == 0)
+ return S_OK;
+ RINOK(WriteStream(stream, _buffer, localProcessedSize));
+ }
+}
+
+STDMETHODIMP CSequentialOutTempBufferImp::Write(const void *data, UInt32 size, UInt32 *processedSize)
+{
+ if (!_buffer->Write(data, size))
+ {
+ if (processedSize != NULL)
+ *processedSize = 0;
+ return E_FAIL;
+ }
+ if (processedSize != NULL)
+ *processedSize = size;
+ return S_OK;
+}