3.13

7zip/Common/OutBuffer.cpp

@@ -0,0 +1,53 @@
+// Stream/OutByte.cpp
+
+#include "StdAfx.h"
+
+#include "OutBuffer.h"
+
+COutBuffer::COutBuffer(UINT32 bufferSize):
+  _bufferSize(bufferSize)
+{
+  _buffer = new BYTE[_bufferSize];
+}
+
+COutBuffer::~COutBuffer()
+{
+  delete []_buffer;
+}
+
+void COutBuffer::Init(ISequentialOutStream *stream)
+{
+  _stream = stream;
+  _processedSize = 0;
+  _pos = 0;
+}
+
+/*
+void COutBuffer::ReleaseStream()
+{
+  _stream.Release();
+}
+*/
+
+
+HRESULT COutBuffer::Flush()
+{
+  if (_pos == 0)
+    return S_OK;
+  UINT32 processedSize;
+  HRESULT result = _stream->Write(_buffer, _pos, &processedSize);
+  if (result != S_OK)
+    return result;
+  if (_pos != processedSize)
+    return E_FAIL;
+  _processedSize += processedSize;
+  _pos = 0;
+  return S_OK;
+}
+
+void COutBuffer::WriteBlock()
+{
+  HRESULT result = Flush();
+  if (result != S_OK)
+    throw COutBufferException(result);
+}