--- a/misc/libphysfs/lzma/CPP/7zip/Archive/Common/MultiStream.cpp	Wed May 16 18:22:28 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,201 +0,0 @@
-// MultiStream.cpp
-
-#include "StdAfx.h"
-
-#include "MultiStream.h"
-
-STDMETHODIMP CMultiStream::Read(void *data, UInt32 size, UInt32 *processedSize)
-{
-  if(processedSize != NULL)
-    *processedSize = 0;
-  while(_streamIndex < Streams.Size() && size > 0)
-  {
-    CSubStreamInfo &s = Streams[_streamIndex];
-    if (_pos == s.Size)
-    {
-      _streamIndex++;
-      _pos = 0;
-      continue;
-    }
-    RINOK(s.Stream->Seek(s.Pos + _pos, STREAM_SEEK_SET, 0));
-    UInt32 sizeToRead = UInt32(MyMin((UInt64)size, s.Size - _pos));
-    UInt32 realProcessed;
-    HRESULT result = s.Stream->Read(data, sizeToRead, &realProcessed);
-    data = (void *)((Byte *)data + realProcessed);
-    size -= realProcessed;
-    if(processedSize != NULL)
-      *processedSize += realProcessed;
-    _pos += realProcessed;
-    _seekPos += realProcessed;
-    RINOK(result);
-    break;
-  }
-  return S_OK;
-}
-  
-STDMETHODIMP CMultiStream::Seek(Int64 offset, UInt32 seekOrigin, 
-    UInt64 *newPosition)
-{
-  UInt64 newPos;
-  switch(seekOrigin)
-  {
-    case STREAM_SEEK_SET:
-      newPos = offset;
-      break;
-    case STREAM_SEEK_CUR:
-      newPos = _seekPos + offset;
-      break;
-    case STREAM_SEEK_END:
-      newPos = _totalLength + offset;
-      break;
-    default:
-      return STG_E_INVALIDFUNCTION;
-  }
-  _seekPos = 0;
-  for (_streamIndex = 0; _streamIndex < Streams.Size(); _streamIndex++)
-  {
-    UInt64 size = Streams[_streamIndex].Size;
-    if (newPos < _seekPos + size)
-    {
-      _pos = newPos - _seekPos;
-      _seekPos += _pos;
-      if (newPosition != 0)
-        *newPosition = newPos;
-      return S_OK;
-    }
-    _seekPos += size;
-  }
-  if (newPos == _seekPos)
-  {
-    if (newPosition != 0)
-      *newPosition = newPos;
-    return S_OK;
-  }
-  return E_FAIL;
-}
-
-
-/*
-class COutVolumeStream: 
-  public ISequentialOutStream,
-  public CMyUnknownImp
-{
-  int _volIndex;
-  UInt64 _volSize;
-  UInt64 _curPos;
-  CMyComPtr<ISequentialOutStream> _volumeStream;
-  COutArchive _archive;
-  CCRC _crc;
-
-public:
-  MY_UNKNOWN_IMP
-
-  CFileItem _file;
-  CUpdateOptions _options;
-  CMyComPtr<IArchiveUpdateCallback2> VolumeCallback;
-  void Init(IArchiveUpdateCallback2 *volumeCallback, 
-      const UString &name)  
-  { 
-    _file.Name = name;
-    _file.IsStartPosDefined = true;
-    _file.StartPos = 0;
-    
-    VolumeCallback = volumeCallback;
-    _volIndex = 0;
-    _volSize = 0;
-  }
-  
-  HRESULT Flush();
-  STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
-};
-
-HRESULT COutVolumeStream::Flush()
-{
-  if (_volumeStream)
-  {
-    _file.UnPackSize = _curPos;
-    _file.FileCRC = _crc.GetDigest();
-    RINOK(WriteVolumeHeader(_archive, _file, _options));
-    _archive.Close();
-    _volumeStream.Release();
-    _file.StartPos += _file.UnPackSize;
-  }
-  return S_OK;
-}
-*/
-
-/*
-STDMETHODIMP COutMultiStream::Write(const void *data, UInt32 size, UInt32 *processedSize)
-{
-  if(processedSize != NULL)
-    *processedSize = 0;
-  while(size > 0)
-  {
-    if (_streamIndex >= Streams.Size())
-    {
-      CSubStreamInfo subStream;
-      RINOK(VolumeCallback->GetVolumeSize(Streams.Size(), &subStream.Size));
-      RINOK(VolumeCallback->GetVolumeStream(Streams.Size(), &subStream.Stream));
-      subStream.Pos = 0;
-      Streams.Add(subStream);
-      continue;
-    }
-    CSubStreamInfo &subStream = Streams[_streamIndex];
-    if (_offsetPos >= subStream.Size)
-    {
-      _offsetPos -= subStream.Size;
-      _streamIndex++;
-      continue;
-    }
-    if (_offsetPos != subStream.Pos)
-    {
-      CMyComPtr<IOutStream> outStream;
-      RINOK(subStream.Stream.QueryInterface(IID_IOutStream, &outStream));
-      RINOK(outStream->Seek(_offsetPos, STREAM_SEEK_SET, NULL));
-      subStream.Pos = _offsetPos;
-    }
-
-    UInt32 curSize = (UInt32)MyMin((UInt64)size, subStream.Size - subStream.Pos);
-    UInt32 realProcessed;
-    RINOK(subStream.Stream->Write(data, curSize, &realProcessed));
-    data = (void *)((Byte *)data + realProcessed);
-    size -= realProcessed;
-    subStream.Pos += realProcessed;
-    _offsetPos += realProcessed;
-    _absPos += realProcessed;
-    if (_absPos > _length)
-      _length = _absPos;
-    if(processedSize != NULL)
-      *processedSize += realProcessed;
-    if (subStream.Pos == subStream.Size)
-    {
-      _streamIndex++;
-      _offsetPos = 0;
-    }
-    if (realProcessed != curSize && realProcessed == 0)
-      return E_FAIL;
-  }
-  return S_OK;
-}
-
-STDMETHODIMP COutMultiStream::Seek(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition)
-{
-  if(seekOrigin >= 3)
-    return STG_E_INVALIDFUNCTION;
-  switch(seekOrigin)
-  {
-    case STREAM_SEEK_SET:
-      _absPos = offset;
-      break;
-    case STREAM_SEEK_CUR:
-      _absPos += offset;
-      break;
-    case STREAM_SEEK_END:
-      _absPos = _length + offset;
-      break;
-  }
-  _offsetPos = _absPos;
-  _streamIndex = 0;
-  return S_OK;
-}
-*/