diff -r 5f819b90d479 -r 99b265e0d1d0 misc/libphysfs/lzma/CPP/7zip/Archive/7z/7zIn.cpp
--- a/misc/libphysfs/lzma/CPP/7zip/Archive/7z/7zIn.cpp	Thu Oct 11 23:43:31 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1206 +0,0 @@
-// 7zIn.cpp
-
-#include "StdAfx.h"
-
-#include "7zIn.h"
-#include "7zDecode.h"
-#include "../../Common/StreamObjects.h"
-#include "../../Common/StreamUtils.h"
-extern "C" 
-{ 
-#include "../../../../C/7zCrc.h"
-}
-
-// define FORMAT_7Z_RECOVERY if you want to recover multivolume archives with empty StartHeader 
-#ifndef _SFX
-#define FORMAT_7Z_RECOVERY
-#endif
-
-namespace NArchive {
-namespace N7z {
-
-class CInArchiveException {};
-
-static void ThrowException() { throw CInArchiveException(); }
-static inline void ThrowEndOfData()   { ThrowException(); }
-static inline void ThrowUnsupported() { ThrowException(); }
-static inline void ThrowIncorrect()   { ThrowException(); }
-static inline void ThrowUnsupportedVersion() { ThrowException(); }
-
-/*
-class CInArchiveException
-{
-public:
-  enum CCauseType
-  {
-    kUnsupportedVersion = 0,
-    kUnsupported,
-    kIncorrect, 
-    kEndOfData,
-  } Cause;
-  CInArchiveException(CCauseType cause): Cause(cause) {};
-};
-
-static void ThrowException(CInArchiveException::CCauseType c) { throw CInArchiveException(c); }
-static void ThrowEndOfData()   { ThrowException(CInArchiveException::kEndOfData); }
-static void ThrowUnsupported() { ThrowException(CInArchiveException::kUnsupported); }
-static void ThrowIncorrect()   { ThrowException(CInArchiveException::kIncorrect); }
-static void ThrowUnsupportedVersion() { ThrowException(CInArchiveException::kUnsupportedVersion); }
-*/
-
-class CStreamSwitch
-{
-  CInArchive *_archive;
-  bool _needRemove;
-public:
-  CStreamSwitch(): _needRemove(false) {}
-  ~CStreamSwitch() { Remove(); }
-  void Remove();
-  void Set(CInArchive *archive, const Byte *data, size_t size);
-  void Set(CInArchive *archive, const CByteBuffer &byteBuffer);
-  void Set(CInArchive *archive, const CObjectVector<CByteBuffer> *dataVector);
-};
-
-void CStreamSwitch::Remove()
-{
-  if (_needRemove)
-  {
-    _archive->DeleteByteStream();
-    _needRemove = false;
-  }
-}
-
-void CStreamSwitch::Set(CInArchive *archive, const Byte *data, size_t size)
-{
-  Remove();
-  _archive = archive;
-  _archive->AddByteStream(data, size);
-  _needRemove = true;
-}
-
-void CStreamSwitch::Set(CInArchive *archive, const CByteBuffer &byteBuffer)
-{
-  Set(archive, byteBuffer, byteBuffer.GetCapacity());
-}
-
-void CStreamSwitch::Set(CInArchive *archive, const CObjectVector<CByteBuffer> *dataVector)
-{
-  Remove();
-  Byte external = archive->ReadByte();
-  if (external != 0)
-  {
-    int dataIndex = (int)archive->ReadNum();
-    if (dataIndex < 0 || dataIndex >= dataVector->Size())
-      ThrowIncorrect();
-    Set(archive, (*dataVector)[dataIndex]);
-  }
-}
-
-#if defined(_M_IX86) || defined(_M_X64) || defined(_M_AMD64) || defined(__i386__) || defined(__x86_64__)
-#define SZ_LITTLE_ENDIAN_UNALIGN
-#endif
-
-#ifdef SZ_LITTLE_ENDIAN_UNALIGN
-static inline UInt16 GetUInt16FromMem(const Byte *p) { return *(const UInt16 *)p; }
-static inline UInt32 GetUInt32FromMem(const Byte *p) { return *(const UInt32 *)p; }
-static inline UInt64 GetUInt64FromMem(const Byte *p) { return *(const UInt64 *)p; }
-#else
-static inline UInt16 GetUInt16FromMem(const Byte *p) { return p[0] | ((UInt16)p[1] << 8); }
-static inline UInt32 GetUInt32FromMem(const Byte *p) { return p[0] | ((UInt32)p[1] << 8) | ((UInt32)p[2] << 16) | ((UInt32)p[3] << 24); }
-static inline UInt64 GetUInt64FromMem(const Byte *p) { return GetUInt32FromMem(p) | ((UInt64)GetUInt32FromMem(p + 4) << 32); }
-#endif
-
-Byte CInByte2::ReadByte()
-{
-  if (_pos >= _size)
-    ThrowEndOfData();
-  return _buffer[_pos++];
-}
-
-void CInByte2::ReadBytes(Byte *data, size_t size)
-{
-  if (size > _size - _pos)
-    ThrowEndOfData();
-  for (size_t i = 0; i < size; i++)
-    data[i] = _buffer[_pos++];
-}
-
-void CInByte2::SkeepData(UInt64 size)
-{
-  if (size > _size - _pos)
-    ThrowEndOfData();
-}
-
-void CInByte2::SkeepData()
-{
-  SkeepData(ReadNumber());
-}
-
-UInt64 CInByte2::ReadNumber()
-{
-  if (_pos >= _size)
-    ThrowEndOfData();
-  Byte firstByte = _buffer[_pos++];
-  Byte mask = 0x80;
-  UInt64 value = 0;
-  for (int i = 0; i < 8; i++)
-  {
-    if ((firstByte & mask) == 0)
-    {
-      UInt64 highPart = firstByte & (mask - 1);
-      value += (highPart << (i * 8));
-      return value;
-    }
-    if (_pos >= _size)
-      ThrowEndOfData();
-    value |= ((UInt64)_buffer[_pos++] << (8 * i));
-    mask >>= 1;
-  }
-  return value;
-}
-
-CNum CInByte2::ReadNum()
-{ 
-  UInt64 value = ReadNumber(); 
-  if (value > kNumMax)
-    ThrowUnsupported();
-  return (CNum)value;
-}
-
-UInt32 CInByte2::ReadUInt32()
-{
-  if (_pos + 4 > _size)
-    ThrowEndOfData();
-  UInt32 res = GetUInt32FromMem(_buffer + _pos);
-  _pos += 4;
-  return res;
-}
-
-UInt64 CInByte2::ReadUInt64()
-{
-  if (_pos + 8 > _size)
-    ThrowEndOfData();
-  UInt64 res = GetUInt64FromMem(_buffer + _pos);
-  _pos += 8;
-  return res;
-}
-
-void CInByte2::ReadString(UString &s)
-{
-  const Byte *buf = _buffer + _pos;
-  size_t rem = (_size - _pos) / 2 * 2;
-  {
-    size_t i;
-    for (i = 0; i < rem; i += 2)
-      if (buf[i] == 0 && buf[i + 1] == 0)
-        break;
-    if (i == rem)
-      ThrowEndOfData();
-    rem = i;
-  }
-  int len = (int)(rem / 2);
-  if (len < 0 || (size_t)len * 2 != rem)
-    ThrowUnsupported();
-  wchar_t *p = s.GetBuffer(len);
-  int i;
-  for (i = 0; i < len; i++, buf += 2) 
-    p[i] = (wchar_t)GetUInt16FromMem(buf);
-  p[i] = 0;
-  s.ReleaseBuffer(len);
-  _pos += rem + 2;
-}
-
-static inline bool TestSignatureCandidate(const Byte *p)
-{
-  for (int i = 0; i < kSignatureSize; i++)
-    if (p[i] != kSignature[i])
-      return false;
-  return (p[0x1A] == 0 && p[0x1B] == 0);
-}
-
-HRESULT CInArchive::FindAndReadSignature(IInStream *stream, const UInt64 *searchHeaderSizeLimit)
-{
-  UInt32 processedSize; 
-  RINOK(ReadStream(stream, _header, kHeaderSize, &processedSize));
-  if (processedSize != kHeaderSize)
-    return S_FALSE;
-  if (TestSignatureCandidate(_header))
-    return S_OK;
-
-  CByteBuffer byteBuffer;
-  const UInt32 kBufferSize = (1 << 16);
-  byteBuffer.SetCapacity(kBufferSize);
-  Byte *buffer = byteBuffer;
-  UInt32 numPrevBytes = kHeaderSize - 1;
-  memcpy(buffer, _header + 1, numPrevBytes);
-  UInt64 curTestPos = _arhiveBeginStreamPosition + 1;
-  for (;;)
-  {
-    if (searchHeaderSizeLimit != NULL)
-      if (curTestPos - _arhiveBeginStreamPosition > *searchHeaderSizeLimit)
-        break;
-    UInt32 numReadBytes = kBufferSize - numPrevBytes;
-    RINOK(stream->Read(buffer + numPrevBytes, numReadBytes, &processedSize));
-    UInt32 numBytesInBuffer = numPrevBytes + processedSize;
-    if (numBytesInBuffer < kHeaderSize)
-      break;
-    UInt32 numTests = numBytesInBuffer - kHeaderSize + 1;
-    for(UInt32 pos = 0; pos < numTests; pos++, curTestPos++)
-    { 
-      if (TestSignatureCandidate(buffer + pos))
-      {
-        memcpy(_header, buffer + pos, kHeaderSize);
-        _arhiveBeginStreamPosition = curTestPos;
-        return stream->Seek(curTestPos + kHeaderSize, STREAM_SEEK_SET, NULL);
-      }
-    }
-    numPrevBytes = numBytesInBuffer - numTests;
-    memmove(buffer, buffer + numTests, numPrevBytes);
-  }
-  return S_FALSE;
-}
-
-// S_FALSE means that file is not archive
-HRESULT CInArchive::Open(IInStream *stream, const UInt64 *searchHeaderSizeLimit)
-{
-  Close();
-  RINOK(stream->Seek(0, STREAM_SEEK_CUR, &_arhiveBeginStreamPosition))
-  RINOK(FindAndReadSignature(stream, searchHeaderSizeLimit));
-  _stream = stream;
-  return S_OK;
-}
-  
-void CInArchive::Close()
-{
-  _stream.Release();
-}
-
-void CInArchive::ReadArchiveProperties(CInArchiveInfo & /* archiveInfo */)
-{
-  for (;;)
-  {
-    if (ReadID() == NID::kEnd)
-      break;
-    SkeepData();
-  }
-}
-
-void CInArchive::GetNextFolderItem(CFolder &folder)
-{
-  CNum numCoders = ReadNum();
-
-  folder.Coders.Clear();
-  folder.Coders.Reserve((int)numCoders);
-  CNum numInStreams = 0;
-  CNum numOutStreams = 0;
-  CNum i;
-  for (i = 0; i < numCoders; i++)
-  {
-    folder.Coders.Add(CCoderInfo());
-    CCoderInfo &coder = folder.Coders.Back();
-
-    {
-      Byte mainByte = ReadByte();
-      int idSize = (mainByte & 0xF);
-      Byte longID[15];
-      ReadBytes(longID, idSize);
-      if (idSize > 8)
-        ThrowUnsupported();
-      UInt64 id = 0;
-      for (int j = 0; j < idSize; j++)
-        id |= (UInt64)longID[idSize - 1 - j] << (8 * j);
-      coder.MethodID = id;
-
-      if ((mainByte & 0x10) != 0)
-      {
-        coder.NumInStreams = ReadNum();
-        coder.NumOutStreams = ReadNum();
-      }
-      else
-      {
-        coder.NumInStreams = 1;
-        coder.NumOutStreams = 1;
-      }
-      if ((mainByte & 0x20) != 0)
-      {
-        CNum propertiesSize = ReadNum();
-        coder.Properties.SetCapacity((size_t)propertiesSize);
-        ReadBytes((Byte *)coder.Properties, (size_t)propertiesSize);
-      }
-      if ((mainByte & 0x80) != 0)
-        ThrowUnsupported();
-    }
-    numInStreams += coder.NumInStreams;
-    numOutStreams += coder.NumOutStreams;
-  }
-
-  CNum numBindPairs;
-  numBindPairs = numOutStreams - 1;
-  folder.BindPairs.Clear();
-  folder.BindPairs.Reserve(numBindPairs);
-  for (i = 0; i < numBindPairs; i++)
-  {
-    CBindPair bindPair;
-    bindPair.InIndex = ReadNum();
-    bindPair.OutIndex = ReadNum(); 
-    folder.BindPairs.Add(bindPair);
-  }
-
-  CNum numPackedStreams = numInStreams - numBindPairs;
-  folder.PackStreams.Reserve(numPackedStreams);
-  if (numPackedStreams == 1)
-  {
-    for (CNum j = 0; j < numInStreams; j++)
-      if (folder.FindBindPairForInStream(j) < 0)
-      {
-        folder.PackStreams.Add(j);
-        break;
-      }
-  }
-  else
-    for(i = 0; i < numPackedStreams; i++)
-      folder.PackStreams.Add(ReadNum());
-}
-
-void CInArchive::WaitAttribute(UInt64 attribute)
-{
-  for (;;)
-  {
-    UInt64 type = ReadID();
-    if (type == attribute)
-      return;
-    if (type == NID::kEnd)
-      ThrowIncorrect();
-    SkeepData();
-  }
-}
-
-void CInArchive::ReadHashDigests(int numItems,
-    CRecordVector<bool> &digestsDefined, 
-    CRecordVector<UInt32> &digests)
-{
-  ReadBoolVector2(numItems, digestsDefined);
-  digests.Clear();
-  digests.Reserve(numItems);
-  for(int i = 0; i < numItems; i++)
-  {
-    UInt32 crc = 0;
-    if (digestsDefined[i])
-      crc = ReadUInt32();
-    digests.Add(crc);
-  }
-}
-
-void CInArchive::ReadPackInfo(
-    UInt64 &dataOffset,
-    CRecordVector<UInt64> &packSizes,
-    CRecordVector<bool> &packCRCsDefined,
-    CRecordVector<UInt32> &packCRCs)
-{
-  dataOffset = ReadNumber();
-  CNum numPackStreams = ReadNum();
-
-  WaitAttribute(NID::kSize);
-  packSizes.Clear();
-  packSizes.Reserve(numPackStreams);
-  for (CNum i = 0; i < numPackStreams; i++)
-    packSizes.Add(ReadNumber());
-
-  UInt64 type;
-  for (;;)
-  {
-    type = ReadID();
-    if (type == NID::kEnd)
-      break;
-    if (type == NID::kCRC)
-    {
-      ReadHashDigests(numPackStreams, packCRCsDefined, packCRCs); 
-      continue;
-    }
-    SkeepData();
-  }
-  if (packCRCsDefined.IsEmpty())
-  {
-    packCRCsDefined.Reserve(numPackStreams);
-    packCRCsDefined.Clear();
-    packCRCs.Reserve(numPackStreams);
-    packCRCs.Clear();
-    for(CNum i = 0; i < numPackStreams; i++)
-    {
-      packCRCsDefined.Add(false);
-      packCRCs.Add(0);
-    }
-  }
-}
-
-void CInArchive::ReadUnPackInfo(
-    const CObjectVector<CByteBuffer> *dataVector,
-    CObjectVector<CFolder> &folders)
-{
-  WaitAttribute(NID::kFolder);
-  CNum numFolders = ReadNum();
-
-  {
-    CStreamSwitch streamSwitch;
-    streamSwitch.Set(this, dataVector);
-    folders.Clear();
-    folders.Reserve(numFolders);
-    for(CNum i = 0; i < numFolders; i++)
-    {
-      folders.Add(CFolder());
-      GetNextFolderItem(folders.Back());
-    }
-  }
-
-  WaitAttribute(NID::kCodersUnPackSize);
-
-  CNum i;
-  for (i = 0; i < numFolders; i++)
-  {
-    CFolder &folder = folders[i];
-    CNum numOutStreams = folder.GetNumOutStreams();
-    folder.UnPackSizes.Reserve(numOutStreams);
-    for (CNum j = 0; j < numOutStreams; j++)
-      folder.UnPackSizes.Add(ReadNumber());
-  }
-
-  for (;;)
-  {
-    UInt64 type = ReadID();
-    if (type == NID::kEnd)
-      return;
-    if (type == NID::kCRC)
-    {
-      CRecordVector<bool> crcsDefined;
-      CRecordVector<UInt32> crcs;
-      ReadHashDigests(numFolders, crcsDefined, crcs); 
-      for(i = 0; i < numFolders; i++)
-      {
-        CFolder &folder = folders[i];
-        folder.UnPackCRCDefined = crcsDefined[i];
-        folder.UnPackCRC = crcs[i];
-      }
-      continue;
-    }
-    SkeepData();
-  }
-}
-
-void CInArchive::ReadSubStreamsInfo(
-    const CObjectVector<CFolder> &folders,
-    CRecordVector<CNum> &numUnPackStreamsInFolders,
-    CRecordVector<UInt64> &unPackSizes,
-    CRecordVector<bool> &digestsDefined, 
-    CRecordVector<UInt32> &digests)
-{
-  numUnPackStreamsInFolders.Clear();
-  numUnPackStreamsInFolders.Reserve(folders.Size());
-  UInt64 type;
-  for (;;)
-  {
-    type = ReadID();
-    if (type == NID::kNumUnPackStream)
-    {
-      for(int i = 0; i < folders.Size(); i++)
-        numUnPackStreamsInFolders.Add(ReadNum());
-      continue;
-    }
-    if (type == NID::kCRC || type == NID::kSize)
-      break;
-    if (type == NID::kEnd)
-      break;
-    SkeepData();
-  }
-
-  if (numUnPackStreamsInFolders.IsEmpty())
-    for(int i = 0; i < folders.Size(); i++)
-      numUnPackStreamsInFolders.Add(1);
-
-  int i;
-  for(i = 0; i < numUnPackStreamsInFolders.Size(); i++)
-  {
-    // v3.13 incorrectly worked with empty folders
-    // v4.07: we check that folder is empty
-    CNum numSubstreams = numUnPackStreamsInFolders[i];
-    if (numSubstreams == 0)
-      continue;
-    UInt64 sum = 0;
-    for (CNum j = 1; j < numSubstreams; j++)
-      if (type == NID::kSize)
-      {
-        UInt64 size = ReadNumber();
-        unPackSizes.Add(size);
-        sum += size;
-      }
-    unPackSizes.Add(folders[i].GetUnPackSize() - sum);
-  }
-  if (type == NID::kSize)
-    type = ReadID();
-
-  int numDigests = 0;
-  int numDigestsTotal = 0;
-  for(i = 0; i < folders.Size(); i++)
-  {
-    CNum numSubstreams = numUnPackStreamsInFolders[i];
-    if (numSubstreams != 1 || !folders[i].UnPackCRCDefined)
-      numDigests += numSubstreams;
-    numDigestsTotal += numSubstreams;
-  }
-
-  for (;;)
-  {
-    if (type == NID::kCRC)
-    {
-      CRecordVector<bool> digestsDefined2; 
-      CRecordVector<UInt32> digests2;
-      ReadHashDigests(numDigests, digestsDefined2, digests2);
-      int digestIndex = 0;
-      for (i = 0; i < folders.Size(); i++)
-      {
-        CNum numSubstreams = numUnPackStreamsInFolders[i];
-        const CFolder &folder = folders[i];
-        if (numSubstreams == 1 && folder.UnPackCRCDefined)
-        {
-          digestsDefined.Add(true);
-          digests.Add(folder.UnPackCRC);
-        }
-        else
-          for (CNum j = 0; j < numSubstreams; j++, digestIndex++)
-          {
-            digestsDefined.Add(digestsDefined2[digestIndex]);
-            digests.Add(digests2[digestIndex]);
-          }
-      }
-    }
-    else if (type == NID::kEnd)
-    {
-      if (digestsDefined.IsEmpty())
-      {
-        digestsDefined.Clear();
-        digests.Clear();
-        for (int i = 0; i < numDigestsTotal; i++)
-        {
-          digestsDefined.Add(false);
-          digests.Add(0);
-        }
-      }
-      return;
-    }
-    else
-      SkeepData();
-    type = ReadID();
-  }
-}
-
-void CInArchive::ReadStreamsInfo(
-    const CObjectVector<CByteBuffer> *dataVector,
-    UInt64 &dataOffset,
-    CRecordVector<UInt64> &packSizes,
-    CRecordVector<bool> &packCRCsDefined,
-    CRecordVector<UInt32> &packCRCs,
-    CObjectVector<CFolder> &folders,
-    CRecordVector<CNum> &numUnPackStreamsInFolders,
-    CRecordVector<UInt64> &unPackSizes,
-    CRecordVector<bool> &digestsDefined, 
-    CRecordVector<UInt32> &digests)
-{
-  for (;;)
-  {
-    UInt64 type = ReadID();
-    if (type > ((UInt32)1 << 30))
-      ThrowIncorrect();
-    switch((UInt32)type)
-    {
-      case NID::kEnd:
-        return;
-      case NID::kPackInfo:
-      {
-        ReadPackInfo(dataOffset, packSizes, packCRCsDefined, packCRCs);
-        break;
-      }
-      case NID::kUnPackInfo:
-      {
-        ReadUnPackInfo(dataVector, folders);
-        break;
-      }
-      case NID::kSubStreamsInfo:
-      {
-        ReadSubStreamsInfo(folders, numUnPackStreamsInFolders,
-            unPackSizes, digestsDefined, digests);
-        break;
-      }
-      default:
-        ThrowIncorrect();
-    }
-  }
-}
-
-void CInArchive::ReadBoolVector(int numItems, CBoolVector &v)
-{
-  v.Clear();
-  v.Reserve(numItems);
-  Byte b = 0;
-  Byte mask = 0;
-  for(int i = 0; i < numItems; i++)
-  {
-    if (mask == 0)
-    {
-      b = ReadByte();
-      mask = 0x80;
-    }
-    v.Add((b & mask) != 0);
-    mask >>= 1;
-  }
-}
-
-void CInArchive::ReadBoolVector2(int numItems, CBoolVector &v)
-{
-  Byte allAreDefined = ReadByte();
-  if (allAreDefined == 0)
-  {
-    ReadBoolVector(numItems, v);
-    return;
-  }
-  v.Clear();
-  v.Reserve(numItems);
-  for (int i = 0; i < numItems; i++)
-    v.Add(true);
-}
-
-void CInArchive::ReadTime(const CObjectVector<CByteBuffer> &dataVector,
-    CObjectVector<CFileItem> &files, UInt32 type)
-{
-  CBoolVector boolVector;
-  ReadBoolVector2(files.Size(), boolVector);
-
-  CStreamSwitch streamSwitch;
-  streamSwitch.Set(this, &dataVector);
-
-  for(int i = 0; i < files.Size(); i++)
-  {
-    CFileItem &file = files[i];
-    CArchiveFileTime fileTime;
-    fileTime.dwLowDateTime = 0;
-    fileTime.dwHighDateTime = 0;
-    bool defined = boolVector[i];
-    if (defined)
-    {
-      fileTime.dwLowDateTime = ReadUInt32();
-      fileTime.dwHighDateTime = ReadUInt32();
-    }
-    switch(type)
-    {
-      case NID::kCreationTime:
-        file.IsCreationTimeDefined = defined;
-        if (defined)
-          file.CreationTime = fileTime;
-        break;
-      case NID::kLastWriteTime:
-        file.IsLastWriteTimeDefined = defined;
-        if (defined)
-          file.LastWriteTime = fileTime;
-        break;
-      case NID::kLastAccessTime:
-        file.IsLastAccessTimeDefined = defined;
-        if (defined)
-          file.LastAccessTime = fileTime;
-        break;
-    }
-  }
-}
-
-HRESULT CInArchive::ReadAndDecodePackedStreams(
-    DECL_EXTERNAL_CODECS_LOC_VARS
-    UInt64 baseOffset, 
-    UInt64 &dataOffset, CObjectVector<CByteBuffer> &dataVector
-    #ifndef _NO_CRYPTO
-    , ICryptoGetTextPassword *getTextPassword
-    #endif
-    )
-{
-  CRecordVector<UInt64> packSizes;
-  CRecordVector<bool> packCRCsDefined;
-  CRecordVector<UInt32> packCRCs;
-  CObjectVector<CFolder> folders;
-  
-  CRecordVector<CNum> numUnPackStreamsInFolders;
-  CRecordVector<UInt64> unPackSizes;
-  CRecordVector<bool> digestsDefined;
-  CRecordVector<UInt32> digests;
-  
-  ReadStreamsInfo(NULL, 
-    dataOffset,
-    packSizes, 
-    packCRCsDefined, 
-    packCRCs, 
-    folders,
-    numUnPackStreamsInFolders,
-    unPackSizes,
-    digestsDefined, 
-    digests);
-  
-  // database.ArchiveInfo.DataStartPosition2 += database.ArchiveInfo.StartPositionAfterHeader;
-  
-  CNum packIndex = 0;
-  CDecoder decoder(
-    #ifdef _ST_MODE
-    false
-    #else
-    true
-    #endif
-    );
-  UInt64 dataStartPos = baseOffset + dataOffset;
-  for(int i = 0; i < folders.Size(); i++)
-  {
-    const CFolder &folder = folders[i];
-    dataVector.Add(CByteBuffer());
-    CByteBuffer &data = dataVector.Back();
-    UInt64 unPackSize64 = folder.GetUnPackSize();
-    size_t unPackSize = (size_t)unPackSize64;
-    if (unPackSize != unPackSize64)
-      ThrowUnsupported();
-    data.SetCapacity(unPackSize);
-    
-    CSequentialOutStreamImp2 *outStreamSpec = new CSequentialOutStreamImp2;
-    CMyComPtr<ISequentialOutStream> outStream = outStreamSpec;
-    outStreamSpec->Init(data, unPackSize);
-    
-    HRESULT result = decoder.Decode(
-      EXTERNAL_CODECS_LOC_VARS
-      _stream, dataStartPos, 
-      &packSizes[packIndex], folder, outStream, NULL
-      #ifndef _NO_CRYPTO
-      , getTextPassword
-      #endif
-      #ifdef COMPRESS_MT
-      , false, 1
-      #endif
-      );
-    RINOK(result);
-    
-    if (folder.UnPackCRCDefined)
-      if (CrcCalc(data, unPackSize) != folder.UnPackCRC)
-        ThrowIncorrect();
-      for (int j = 0; j < folder.PackStreams.Size(); j++)
-        dataStartPos += packSizes[packIndex++];
-  }
-  return S_OK;
-}
-
-HRESULT CInArchive::ReadHeader(
-    DECL_EXTERNAL_CODECS_LOC_VARS
-    CArchiveDatabaseEx &database
-    #ifndef _NO_CRYPTO
-    , ICryptoGetTextPassword *getTextPassword
-    #endif
-    )
-{
-  UInt64 type = ReadID();
-
-  if (type == NID::kArchiveProperties)
-  {
-    ReadArchiveProperties(database.ArchiveInfo);
-    type = ReadID();
-  }
- 
-  CObjectVector<CByteBuffer> dataVector;
-  
-  if (type == NID::kAdditionalStreamsInfo)
-  {
-    HRESULT result = ReadAndDecodePackedStreams(
-        EXTERNAL_CODECS_LOC_VARS
-        database.ArchiveInfo.StartPositionAfterHeader, 
-        database.ArchiveInfo.DataStartPosition2,
-        dataVector
-        #ifndef _NO_CRYPTO
-        , getTextPassword
-        #endif
-        );
-    RINOK(result);
-    database.ArchiveInfo.DataStartPosition2 += database.ArchiveInfo.StartPositionAfterHeader;
-    type = ReadID();
-  }
-
-  CRecordVector<UInt64> unPackSizes;
-  CRecordVector<bool> digestsDefined;
-  CRecordVector<UInt32> digests;
-  
-  if (type == NID::kMainStreamsInfo)
-  {
-    ReadStreamsInfo(&dataVector,
-        database.ArchiveInfo.DataStartPosition,
-        database.PackSizes, 
-        database.PackCRCsDefined, 
-        database.PackCRCs, 
-        database.Folders,
-        database.NumUnPackStreamsVector,
-        unPackSizes,
-        digestsDefined,
-        digests);
-    database.ArchiveInfo.DataStartPosition += database.ArchiveInfo.StartPositionAfterHeader;
-    type = ReadID();
-  }
-  else
-  {
-    for(int i = 0; i < database.Folders.Size(); i++)
-    {
-      database.NumUnPackStreamsVector.Add(1);
-      CFolder &folder = database.Folders[i];
-      unPackSizes.Add(folder.GetUnPackSize());
-      digestsDefined.Add(folder.UnPackCRCDefined);
-      digests.Add(folder.UnPackCRC);
-    }
-  }
-
-  database.Files.Clear();
-
-  if (type == NID::kEnd)
-    return S_OK;
-  if (type != NID::kFilesInfo)
-    ThrowIncorrect();
-  
-  CNum numFiles = ReadNum();
-  database.Files.Reserve(numFiles);
-  CNum i;
-  for(i = 0; i < numFiles; i++)
-    database.Files.Add(CFileItem());
-
-  database.ArchiveInfo.FileInfoPopIDs.Add(NID::kSize);
-  if (!database.PackSizes.IsEmpty())
-    database.ArchiveInfo.FileInfoPopIDs.Add(NID::kPackInfo);
-  if (numFiles > 0  && !digests.IsEmpty())
-    database.ArchiveInfo.FileInfoPopIDs.Add(NID::kCRC);
-
-  CBoolVector emptyStreamVector;
-  emptyStreamVector.Reserve((int)numFiles);
-  for(i = 0; i < numFiles; i++)
-    emptyStreamVector.Add(false);
-  CBoolVector emptyFileVector;
-  CBoolVector antiFileVector;
-  CNum numEmptyStreams = 0;
-
-  for (;;)
-  {
-    UInt64 type = ReadID();
-    if (type == NID::kEnd)
-      break;
-    UInt64 size = ReadNumber();
-    bool isKnownType = true;
-    if (type > ((UInt32)1 << 30))
-      isKnownType = false;
-    else switch((UInt32)type)
-    {
-      case NID::kName:
-      {
-        CStreamSwitch streamSwitch;
-        streamSwitch.Set(this, &dataVector);
-        for(int i = 0; i < database.Files.Size(); i++)
-          _inByteBack->ReadString(database.Files[i].Name);
-        break;
-      }
-      case NID::kWinAttributes:
-      {
-        CBoolVector boolVector;
-        ReadBoolVector2(database.Files.Size(), boolVector);
-        CStreamSwitch streamSwitch;
-        streamSwitch.Set(this, &dataVector);
-        for(i = 0; i < numFiles; i++)
-        {
-          CFileItem &file = database.Files[i];
-          file.AreAttributesDefined = boolVector[i];
-          if (file.AreAttributesDefined)
-            file.Attributes = ReadUInt32();
-        }
-        break;
-      }
-      case NID::kStartPos:
-      {
-        CBoolVector boolVector;
-        ReadBoolVector2(database.Files.Size(), boolVector);
-        CStreamSwitch streamSwitch;
-        streamSwitch.Set(this, &dataVector);
-        for(i = 0; i < numFiles; i++)
-        {
-          CFileItem &file = database.Files[i];
-          file.IsStartPosDefined = boolVector[i];
-          if (file.IsStartPosDefined)
-            file.StartPos = ReadUInt64();
-        }
-        break;
-      }
-      case NID::kEmptyStream:
-      {
-        ReadBoolVector(numFiles, emptyStreamVector);
-        for (i = 0; i < (CNum)emptyStreamVector.Size(); i++)
-          if (emptyStreamVector[i])
-            numEmptyStreams++;
-        emptyFileVector.Reserve(numEmptyStreams);
-        antiFileVector.Reserve(numEmptyStreams);
-        for (i = 0; i < numEmptyStreams; i++)
-        {
-          emptyFileVector.Add(false);
-          antiFileVector.Add(false);
-        }
-        break;
-      }
-      case NID::kEmptyFile:
-      {
-        ReadBoolVector(numEmptyStreams, emptyFileVector);
-        break;
-      }
-      case NID::kAnti:
-      {
-        ReadBoolVector(numEmptyStreams, antiFileVector);
-        break;
-      }
-      case NID::kCreationTime:
-      case NID::kLastWriteTime:
-      case NID::kLastAccessTime:
-      {
-        ReadTime(dataVector, database.Files, (UInt32)type);
-        break;
-      }
-      default:
-        isKnownType = false;
-    }
-    if (isKnownType)
-      database.ArchiveInfo.FileInfoPopIDs.Add(type);
-    else
-      SkeepData(size);
-  }
-
-  CNum emptyFileIndex = 0;
-  CNum sizeIndex = 0;
-  for(i = 0; i < numFiles; i++)
-  {
-    CFileItem &file = database.Files[i];
-    file.HasStream = !emptyStreamVector[i];
-    if(file.HasStream)
-    {
-      file.IsDirectory = false;
-      file.IsAnti = false;
-      file.UnPackSize = unPackSizes[sizeIndex];
-      file.FileCRC = digests[sizeIndex];
-      file.IsFileCRCDefined = digestsDefined[sizeIndex];
-      sizeIndex++;
-    }
-    else
-    {
-      file.IsDirectory = !emptyFileVector[emptyFileIndex];
-      file.IsAnti = antiFileVector[emptyFileIndex];
-      emptyFileIndex++;
-      file.UnPackSize = 0;
-      file.IsFileCRCDefined = false;
-    }
-  }
-  return S_OK;
-}
-
-
-void CArchiveDatabaseEx::FillFolderStartPackStream()
-{
-  FolderStartPackStreamIndex.Clear();
-  FolderStartPackStreamIndex.Reserve(Folders.Size());
-  CNum startPos = 0;
-  for(int i = 0; i < Folders.Size(); i++)
-  {
-    FolderStartPackStreamIndex.Add(startPos);
-    startPos += (CNum)Folders[i].PackStreams.Size();
-  }
-}
-
-void CArchiveDatabaseEx::FillStartPos()
-{
-  PackStreamStartPositions.Clear();
-  PackStreamStartPositions.Reserve(PackSizes.Size());
-  UInt64 startPos = 0;
-  for(int i = 0; i < PackSizes.Size(); i++)
-  {
-    PackStreamStartPositions.Add(startPos);
-    startPos += PackSizes[i];
-  }
-}
-
-void CArchiveDatabaseEx::FillFolderStartFileIndex()
-{
-  FolderStartFileIndex.Clear();
-  FolderStartFileIndex.Reserve(Folders.Size());
-  FileIndexToFolderIndexMap.Clear();
-  FileIndexToFolderIndexMap.Reserve(Files.Size());
-  
-  int folderIndex = 0;
-  CNum indexInFolder = 0;
-  for (int i = 0; i < Files.Size(); i++)
-  {
-    const CFileItem &file = Files[i];
-    bool emptyStream = !file.HasStream;
-    if (emptyStream && indexInFolder == 0)
-    {
-      FileIndexToFolderIndexMap.Add(kNumNoIndex);
-      continue;
-    }
-    if (indexInFolder == 0)
-    {
-      // v3.13 incorrectly worked with empty folders
-      // v4.07: Loop for skipping empty folders
-      for (;;)
-      {
-        if (folderIndex >= Folders.Size())
-          ThrowIncorrect();
-        FolderStartFileIndex.Add(i); // check it
-        if (NumUnPackStreamsVector[folderIndex] != 0)
-          break;
-        folderIndex++;
-      }
-    }
-    FileIndexToFolderIndexMap.Add(folderIndex);
-    if (emptyStream)
-      continue;
-    indexInFolder++;
-    if (indexInFolder >= NumUnPackStreamsVector[folderIndex])
-    {
-      folderIndex++;
-      indexInFolder = 0;
-    }
-  }
-}
-
-HRESULT CInArchive::ReadDatabase2(
-    DECL_EXTERNAL_CODECS_LOC_VARS
-    CArchiveDatabaseEx &database
-    #ifndef _NO_CRYPTO
-    , ICryptoGetTextPassword *getTextPassword
-    #endif
-    )
-{
-  database.Clear();
-  database.ArchiveInfo.StartPosition = _arhiveBeginStreamPosition;
-
-  database.ArchiveInfo.Version.Major = _header[6];
-  database.ArchiveInfo.Version.Minor = _header[7];
-
-  if (database.ArchiveInfo.Version.Major != kMajorVersion)
-    ThrowUnsupportedVersion();
-
-  UInt32 crcFromArchive = GetUInt32FromMem(_header + 8);
-  UInt64 nextHeaderOffset = GetUInt64FromMem(_header + 0xC);
-  UInt64 nextHeaderSize = GetUInt64FromMem(_header + 0x14);
-  UInt32 nextHeaderCRC =  GetUInt32FromMem(_header + 0x1C);
-  UInt32 crc = CrcCalc(_header + 0xC, 20);
-
-  #ifdef FORMAT_7Z_RECOVERY
-  if (crcFromArchive == 0 && nextHeaderOffset == 0 && nextHeaderSize == 0 && nextHeaderCRC == 0)
-  {
-    UInt64 cur, cur2;
-    RINOK(_stream->Seek(0, STREAM_SEEK_CUR, &cur));
-    const int kCheckSize = 500;
-    Byte buf[kCheckSize];
-    RINOK(_stream->Seek(0, STREAM_SEEK_END, &cur2));
-    int checkSize = kCheckSize;
-    if (cur2 - cur < kCheckSize)
-      checkSize = (int)(cur2 - cur);
-    RINOK(_stream->Seek(-checkSize, STREAM_SEEK_END, &cur2));
-    
-    UInt32 realProcessedSize;
-    RINOK(_stream->Read(buf, (UInt32)kCheckSize, &realProcessedSize));
-
-    int i;
-    for (i = (int)realProcessedSize - 2; i >= 0; i--)
-      if (buf[i] == 0x17 && buf[i + 1] == 0x6 || buf[i] == 0x01 && buf[i + 1] == 0x04)
-        break;
-    if (i < 0)
-      return S_FALSE;
-    nextHeaderSize = realProcessedSize - i;
-    nextHeaderOffset = cur2 - cur + i;
-    nextHeaderCRC = CrcCalc(buf + i, (size_t)nextHeaderSize);
-    RINOK(_stream->Seek(cur, STREAM_SEEK_SET, NULL));
-  }
-  #endif
-
-  #ifdef FORMAT_7Z_RECOVERY
-  crcFromArchive = crc;
-  #endif
-
-  database.ArchiveInfo.StartPositionAfterHeader = _arhiveBeginStreamPosition + kHeaderSize;
-
-  if (crc != crcFromArchive)
-    ThrowIncorrect();
-
-  if (nextHeaderSize == 0)
-    return S_OK;
-
-  if (nextHeaderSize > (UInt64)0xFFFFFFFF)
-    return S_FALSE;
-
-  RINOK(_stream->Seek(nextHeaderOffset, STREAM_SEEK_CUR, NULL));
-
-  CByteBuffer buffer2;
-  buffer2.SetCapacity((size_t)nextHeaderSize);
-
-  UInt32 realProcessedSize;
-  RINOK(_stream->Read(buffer2, (UInt32)nextHeaderSize, &realProcessedSize));
-  if (realProcessedSize != (UInt32)nextHeaderSize)
-    return S_FALSE;
-  if (CrcCalc(buffer2, (UInt32)nextHeaderSize) != nextHeaderCRC)
-    ThrowIncorrect();
-  
-  CStreamSwitch streamSwitch;
-  streamSwitch.Set(this, buffer2);
-  
-  CObjectVector<CByteBuffer> dataVector;
-  
-  for (;;)
-  {
-    UInt64 type = ReadID();
-    if (type == NID::kHeader)
-      break;
-    if (type != NID::kEncodedHeader)
-      ThrowIncorrect();
-    HRESULT result = ReadAndDecodePackedStreams(
-        EXTERNAL_CODECS_LOC_VARS
-        database.ArchiveInfo.StartPositionAfterHeader, 
-        database.ArchiveInfo.DataStartPosition2,
-        dataVector
-        #ifndef _NO_CRYPTO
-        , getTextPassword
-        #endif
-        );
-    RINOK(result);
-    if (dataVector.Size() == 0)
-      return S_OK;
-    if (dataVector.Size() > 1)
-      ThrowIncorrect();
-    streamSwitch.Remove();
-    streamSwitch.Set(this, dataVector.Front());
-  }
-
-  return ReadHeader(
-    EXTERNAL_CODECS_LOC_VARS
-    database
-    #ifndef _NO_CRYPTO
-    , getTextPassword
-    #endif
-    );
-}
-
-HRESULT CInArchive::ReadDatabase(
-    DECL_EXTERNAL_CODECS_LOC_VARS
-    CArchiveDatabaseEx &database
-    #ifndef _NO_CRYPTO
-    , ICryptoGetTextPassword *getTextPassword
-    #endif
-    )
-{
-  try
-  {
-    return ReadDatabase2(
-      EXTERNAL_CODECS_LOC_VARS database
-      #ifndef _NO_CRYPTO
-      , getTextPassword
-      #endif
-      );
-  }
-  catch(CInArchiveException &) { return S_FALSE; }
-}
-
-}}