4.52 beta

9 files changed, 805 insertions, 27 deletions

diff --git a/CPP/7zip/Archive/Cab/CabBlockInStream.h b/CPP/7zip/Archive/Cab/CabBlockInStream.h
index 46e15222..b8b5d8b9 100755
--- a/CPP/7zip/Archive/Cab/CabBlockInStream.h
+++ b/CPP/7zip/Archive/Cab/CabBlockInStream.h
@@ -17,7 +17,6 @@ class CCabBlockInStream:
   Byte *_buffer;
   UInt32 _pos;
   UInt32 _size;
-  int _align;
 
 public:
   UInt32 TotalPackSize;
@@ -25,24 +24,13 @@ public:
   bool DataError;
   bool MsZip;
 
-  CCabBlockInStream(): _buffer(0), ReservedSize(0), MsZip(false), DataError(false), _align(0), TotalPackSize(0) {}
+  CCabBlockInStream(): _buffer(0), ReservedSize(0), MsZip(false), DataError(false), TotalPackSize(0) {}
   ~CCabBlockInStream();
   bool Create();
   void SetStream(ISequentialInStream *stream) {  _stream = stream; }
 
-  void InitForNewFolder()
-  {
-    _align = 0;
-    TotalPackSize = 0;
-  }
-  
-  void InitForNewBlock()
-  {
-    _size = 0;
-    _align = (_align + (int)TotalPackSize) & 1;
-  }
-
-  int GetAlign() const { return _align; }
+  void InitForNewFolder() { TotalPackSize = 0; }
+  void InitForNewBlock() { _size = 0; }
 
   MY_UNKNOWN_IMP
 
diff --git a/CPP/7zip/Archive/Cab/CabHandler.cpp b/CPP/7zip/Archive/Cab/CabHandler.cpp
index 1c0e2feb..2ce9d9ce 100755
--- a/CPP/7zip/Archive/Cab/CabHandler.cpp
+++ b/CPP/7zip/Archive/Cab/CabHandler.cpp
@@ -769,7 +769,7 @@ STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
             res = deflateDecoder->Code(cabBlockInStream, outStream, NULL, &unpackRemain, NULL);
             break;
           case NHeader::NCompressionMethodMajor::kLZX:
-            lzxDecoderSpec->SetKeepHistory(keepHistory, cabBlockInStreamSpec->GetAlign());
+            lzxDecoderSpec->SetKeepHistory(keepHistory);
             res = lzxDecoder->Code(cabBlockInStream, outStream, NULL, &unpackRemain, NULL);
             break;
           case NHeader::NCompressionMethodMajor::kQuantum:
diff --git a/CPP/7zip/Archive/Chm/ChmHandler.cpp b/CPP/7zip/Archive/Chm/ChmHandler.cpp
index 5de871da..a3c3b6a0 100755
--- a/CPP/7zip/Archive/Chm/ChmHandler.cpp
+++ b/CPP/7zip/Archive/Chm/ChmHandler.cpp
@@ -262,7 +262,7 @@ public:
     const CFilesDatabase *database,
     IArchiveExtractCallback *extractCallback,
     bool testMode);
-    HRESULT FlushCorrupted();
+  HRESULT FlushCorrupted(UInt64 maxSize);
 };
 
 void CChmFolderOutStream::Init(
@@ -356,7 +356,7 @@ HRESULT CChmFolderOutStream::Write2(const void *data, UInt32 size, UInt32 *proce
     else
     {
       if (m_CurrentIndex >= m_NumFiles)
-        return E_FAIL;
+        return E_FAIL; 
       int fullIndex = m_StartIndex + m_CurrentIndex;
       m_RemainFileSize = m_Database->GetFileSize(fullIndex);
       UInt64 fileOffset = m_Database->GetFileOffset(fullIndex);
@@ -390,17 +390,21 @@ STDMETHODIMP CChmFolderOutStream::Write(const void *data, UInt32 size, UInt32 *p
   return Write2(data, size, processedSize, true);
 }
 
-HRESULT CChmFolderOutStream::FlushCorrupted()
+HRESULT CChmFolderOutStream::FlushCorrupted(UInt64 maxSize)
 {
   const UInt32 kBufferSize = (1 << 10);
   Byte buffer[kBufferSize];
   for (int i = 0; i < kBufferSize; i++)
     buffer[i] = 0;
-  while(m_PosInFolder < m_FolderSize)
+  if (maxSize > m_FolderSize)
+    maxSize = m_FolderSize;
+  while (m_PosInFolder < maxSize)
   {
-    UInt32 size = (UInt32)MyMin(m_FolderSize - m_PosInFolder, (UInt64)kBufferSize);
+    UInt32 size = (UInt32)MyMin(maxSize - m_PosInFolder, (UInt64)kBufferSize);
     UInt32 processedSizeLocal = 0;
     RINOK(Write2(buffer, size, &processedSizeLocal, false));
+    if (processedSizeLocal == 0)
+      return S_OK;
   }
   return S_OK;
 }
@@ -688,24 +692,28 @@ STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
           UInt64 bCur = startBlock + b;
           if (bCur >= rt.ResetOffsets.Size())
             return E_FAIL;
-          UInt64 startOffset = rt.ResetOffsets[(int)startBlock];
           UInt64 offset = rt.ResetOffsets[(int)bCur];
           UInt64 compressedSize;
           rt.GetCompressedSizeOfBlock(bCur, compressedSize);
           UInt64 rem = finishPos - chmFolderOutStream->m_PosInSection;
           if (rem > rt.BlockSize)
             rem = rt.BlockSize;
-          // const UInt64 *offsets = (const UInt64 *)&rt.ResetOffsets.Front();
           RINOK(m_Stream->Seek(compressedPos + offset, STREAM_SEEK_SET, NULL));
           streamSpec->SetStream(m_Stream);
           streamSpec->Init(compressedSize);
-          lzxDecoderSpec->SetKeepHistory(b > 0, (int)((offset - startOffset) & 1));
-          RINOK(lzxDecoder->Code(inStream, outStream, NULL, &rem, NULL));
+          lzxDecoderSpec->SetKeepHistory(b > 0);
+          HRESULT res = lzxDecoder->Code(inStream, outStream, NULL, &rem, NULL);
+          if (res != S_OK)
+          {
+            if (res != S_FALSE)
+              return res;
+            throw 1;
+          }
         }
       }
       catch(...)
       {
-        RINOK(chmFolderOutStream->FlushCorrupted());
+        RINOK(chmFolderOutStream->FlushCorrupted(unPackSize));
       }
       currentTotalSize += folderSize;
       if (folderIndex == lastFolderIndex)
diff --git a/CPP/7zip/Archive/Com/ComHandler.cpp b/CPP/7zip/Archive/Com/ComHandler.cpp
new file mode 100755
index 00000000..6d548256
--- /dev/null
+++ b/CPP/7zip/Archive/Com/ComHandler.cpp
@@ -0,0 +1,264 @@
+// ComHandler.cpp
+
+#include "StdAfx.h"
+
+#include "Common/ComTry.h"
+#include "Windows/PropVariant.h"
+#include "../../Common/StreamUtils.h"
+#include "ComHandler.h"
+
+namespace NArchive {
+namespace NCom {
+
+STATPROPSTG kProperties[] = 
+{
+  { NULL, kpidPath, VT_BSTR},
+  { NULL, kpidIsFolder, VT_BOOL},
+  { NULL, kpidSize, VT_UI8},
+  // { NULL, kpidAttributes, VT_UI4},
+  { NULL, kpidPackedSize, VT_UI8},
+  { NULL, kpidCreationTime, VT_FILETIME},
+  { NULL, kpidLastWriteTime, VT_FILETIME}
+};
+
+STDMETHODIMP CHandler::GetArchiveProperty(PROPID /* propID */, PROPVARIANT *value)
+{
+  value->vt = VT_EMPTY;
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetNumberOfProperties(UInt32 *numProperties)
+{
+  *numProperties = sizeof(kProperties) / sizeof(kProperties[0]);
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetPropertyInfo(UInt32 index,     
+      BSTR *name, PROPID *propID, VARTYPE *varType)
+{
+  if(index >= sizeof(kProperties) / sizeof(kProperties[0]))
+    return E_INVALIDARG;
+  const STATPROPSTG &srcItem = kProperties[index];
+  *propID = srcItem.propid;
+  *varType = srcItem.vt;
+  if (srcItem.lpwstrName == 0)
+    *name = 0;
+  else
+    *name = ::SysAllocString(srcItem.lpwstrName);
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetNumberOfArchiveProperties(UInt32 *numProperties)
+{
+  *numProperties = 0;
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetArchivePropertyInfo(UInt32 /* index */,     
+      BSTR * /* name */, PROPID * /* propID */, VARTYPE * /* varType */)
+{
+  return E_INVALIDARG;
+}
+
+STDMETHODIMP CHandler::GetProperty(UInt32 index, PROPID propID, PROPVARIANT *value)
+{
+  COM_TRY_BEGIN
+  NWindows::NCOM::CPropVariant propVariant;
+  const CRef &ref = _db.Refs[index];
+  const CItem &item = _db.Items[ref.Did];
+    
+  switch(propID)
+  {
+    case kpidPath:
+    {
+      UString name = _db.GetItemPath(index);
+      propVariant = name;
+      break;
+    }
+    case kpidIsFolder:
+      propVariant = item.IsDir();
+      break;
+    case kpidCreationTime:
+      propVariant = item.CreationTime;
+      break;
+    case kpidLastWriteTime:
+      propVariant = item.LastWriteTime;
+      break;
+    /*
+    case kpidAttributes:
+      propVariant = item.Falgs;
+      break;
+    */
+    case kpidPackedSize:
+      if (!item.IsDir())
+      {
+        int numBits = _db.IsLargeStream(item.Size) ? 
+            _db.SectorSizeBits : 
+            _db.MiniSectorSizeBits;
+        propVariant = (item.Size + ((UInt32)1 << numBits) - 1) >> numBits << numBits;
+        break;
+      }
+    case kpidSize:
+      if (!item.IsDir())
+        propVariant = (UInt64)item.Size;
+      break;
+  }
+  propVariant.Detach(value);
+  return S_OK;
+  COM_TRY_END
+}
+
+STDMETHODIMP CHandler::Open(IInStream *inStream, 
+    const UInt64 * /* maxCheckStartPosition */,
+    IArchiveOpenCallback * /* openArchiveCallback */)
+{
+  COM_TRY_BEGIN
+  Close();
+  try
+  {
+    if (OpenArchive(inStream, _db) != S_OK)
+      return S_FALSE;
+    _stream = inStream;
+  }
+  catch(...) { return S_FALSE; }
+  return S_OK;
+  COM_TRY_END
+}
+
+STDMETHODIMP CHandler::Close()
+{
+  _db.Clear();
+  _stream.Release();
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
+    Int32 _aTestMode, IArchiveExtractCallback *extractCallback)
+{
+  COM_TRY_BEGIN
+  bool testMode = (_aTestMode != 0);
+  bool allFilesMode = (numItems == UInt32(-1));
+  if (allFilesMode)
+    numItems = _db.Refs.Size();
+  if (numItems == 0)
+    return S_OK;
+  UInt32 i;
+  UInt64 totalSize = 0;
+  for(i = 0; i < numItems; i++)
+  {
+    const CItem &item = _db.Items[_db.Refs[allFilesMode ? i : indices[i]].Did];
+    if (!item.IsDir())
+      totalSize += item.Size;
+  }
+  RINOK(extractCallback->SetTotal(totalSize));
+
+  UInt64 currentTotalSize = 0, currentItemSize = 0;
+  
+  CByteBuffer sect;
+  sect.SetCapacity((UInt32)1 << _db.SectorSizeBits);
+
+  for (i = 0; i < numItems; i++, currentTotalSize += currentItemSize)
+  {
+    RINOK(extractCallback->SetCompleted(&currentTotalSize));
+    Int32 index = allFilesMode ? i : indices[i];
+    const CItem &item = _db.Items[_db.Refs[index].Did];
+    currentItemSize = 0;
+    if (!item.IsDir())
+      currentItemSize = item.Size;
+
+    CMyComPtr<ISequentialOutStream> realOutStream;
+    Int32 askMode = testMode ? 
+        NArchive::NExtract::NAskMode::kTest :
+        NArchive::NExtract::NAskMode::kExtract;
+    RINOK(extractCallback->GetStream(index, &realOutStream, askMode));
+
+    if (item.IsDir())
+    {
+      RINOK(extractCallback->PrepareOperation(askMode));
+      RINOK(extractCallback->SetOperationResult(NArchive::NExtract::NOperationResult::kOK));
+      continue;
+    }
+    if (!testMode && (!realOutStream))
+      continue;
+    RINOK(extractCallback->PrepareOperation(askMode));
+    Int32 res = NArchive::NExtract::NOperationResult::kDataError;
+    {
+      UInt32 sid = item.Sid;
+      UInt64 prev = 0;
+      for (UInt64 pos = 0;;)
+      {
+        if (sid == NFatID::kEndOfChain)
+        {
+          if (pos != item.Size)
+            break;
+          res = NArchive::NExtract::NOperationResult::kOK;
+          break;
+        }
+        if (pos >= item.Size)
+          break;
+          
+        UInt64 offset;
+        UInt32 size;
+
+        if (_db.IsLargeStream(item.Size))
+        {
+          if (pos - prev > (1 << 20))
+          {
+            UInt64 processed = currentTotalSize + pos;
+            RINOK(extractCallback->SetCompleted(&processed));
+            prev = pos;
+          }
+          size = 1 << _db.SectorSizeBits;
+          offset = ((UInt64)sid + 1) << _db.SectorSizeBits;
+          if (sid >= _db.FatSize)
+            break;
+          sid = _db.Fat[sid];
+        }
+        else
+        {
+          int subBits = (_db.SectorSizeBits - _db.MiniSectorSizeBits);
+          UInt32 fid = sid >> subBits;
+          if (fid >= _db.NumSectorsInMiniStream)
+            break;
+          size = 1 << _db.MiniSectorSizeBits;
+          offset = (((UInt64)_db.MiniSids[fid] + 1) << _db.SectorSizeBits) + 
+            ((sid & ((1 << subBits) - 1)) << _db.MiniSectorSizeBits);
+          if (sid >= _db.MatSize)
+            break;
+          sid = _db.Mat[sid];
+        }
+        
+        // last sector can be smaller than sector size (it can contain requied data only).
+        UInt64 rem = item.Size - pos;
+        if (size > rem)
+          size = (UInt32)rem;
+
+        RINOK(_stream->Seek(offset, STREAM_SEEK_SET, NULL));
+        UInt32 realProcessedSize;
+        RINOK(ReadStream(_stream, sect, size, &realProcessedSize));
+        if (realProcessedSize != size)
+          break;
+
+        if (realOutStream)
+        {
+          RINOK(WriteStream(realOutStream, sect, size, &realProcessedSize));
+          if (realProcessedSize != size)
+            break;
+        }
+        pos += size;
+      }
+    }
+    realOutStream.Release();
+    RINOK(extractCallback->SetOperationResult(res));
+  }
+  return S_OK;
+  COM_TRY_END
+}
+
+STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems)
+{
+  *numItems = _db.Refs.Size();
+  return S_OK;
+}
+
+}}
diff --git a/CPP/7zip/Archive/Com/ComHandler.h b/CPP/7zip/Archive/Com/ComHandler.h
new file mode 100755
index 00000000..f8b2b135
--- /dev/null
+++ b/CPP/7zip/Archive/Com/ComHandler.h
@@ -0,0 +1,28 @@
+// ComHandler.h
+
+#ifndef __ARCHIVE_COM_HANDLER_H
+#define __ARCHIVE_COM_HANDLER_H
+
+#include "Common/MyCom.h"
+#include "../IArchive.h"
+#include "ComIn.h"
+
+namespace NArchive {
+namespace NCom {
+
+class CHandler: 
+  public IInArchive,
+  public CMyUnknownImp
+{
+public:
+  MY_UNKNOWN_IMP1(IInArchive)
+  INTERFACE_IInArchive(;)
+
+private:
+  CMyComPtr<IInStream> _stream;
+  CDatabase _db;
+};
+
+}}
+
+#endif
diff --git a/CPP/7zip/Archive/Com/ComIn.cpp b/CPP/7zip/Archive/Com/ComIn.cpp
new file mode 100755
index 00000000..0db3f1c6
--- /dev/null
+++ b/CPP/7zip/Archive/Com/ComIn.cpp
@@ -0,0 +1,371 @@
+// Archive/ComIn.cpp
+
+#include "StdAfx.h"
+
+extern "C" 
+{ 
+#include "../../../../C/Alloc.h"
+}
+
+#include "Common/MyCom.h"
+#include "../../Common/StreamUtils.h"
+#include "Common/IntToString.h"
+
+#include "ComIn.h"
+
+namespace NArchive{
+namespace NCom{
+
+static const UInt32 kSignatureSize = 8;
+static const Byte kSignature[kSignatureSize] = { 0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1 };
+
+static HRESULT ReadBytes(ISequentialInStream *inStream, void *data, UInt32 size)
+{
+  UInt32 realProcessedSize;
+  RINOK(ReadStream(inStream, data, size, &realProcessedSize));
+  return (realProcessedSize == size) ? S_OK : S_FALSE;
+}
+
+#ifdef LITTLE_ENDIAN_UNALIGN
+#define GetUi16(p) (*(const UInt16 *)(p))
+#define GetUi32(p) (*(const UInt32 *)(p))
+#else
+#define GetUi16(p) ((p)[0] | ((UInt16)(p)[1] << 8))
+#define GetUi32(p) ((p)[0] | ((UInt32)(p)[1] << 8) | ((UInt32)(p)[2] << 16) | ((UInt32)(p)[3] << 24))
+#endif
+
+
+void CUInt32Buf::Free()
+{
+  MyFree(_buf);
+  _buf = 0;
+}
+
+bool CUInt32Buf::Allocate(UInt32 numItems)
+{
+  Free();
+  if (numItems == 0)
+    return true;
+  size_t newSize = (size_t)numItems * sizeof(UInt32);
+  if (newSize / sizeof(UInt32) != numItems)
+    return false;
+  _buf = (UInt32 *)MyAlloc(newSize);
+  return (_buf != 0);
+}
+
+static HRESULT ReadSector(IInStream *inStream, Byte *buf, int sectorSizeBits, UInt32 sid)
+{
+  RINOK(inStream->Seek((((UInt64)sid + 1) << sectorSizeBits), STREAM_SEEK_SET, NULL));
+  return ReadBytes(inStream, buf, (UInt32)1 << sectorSizeBits);
+}
+
+static HRESULT ReadIDs(IInStream *inStream, Byte *buf, int sectorSizeBits, UInt32 sid, UInt32 *dest)
+{
+  RINOK(ReadSector(inStream, buf, sectorSizeBits, sid));
+  UInt32 sectorSize = (UInt32)1 << sectorSizeBits;
+  for (UInt32 t = 0; t < sectorSize; t += 4)
+    *dest++ = GetUi32(buf + t);
+  return S_OK;
+}
+
+static void GetFileTimeFromMem(const Byte *p, FILETIME *ft)
+{
+  ft->dwLowDateTime = GetUi32(p);
+  ft->dwHighDateTime = GetUi32(p + 4);
+}
+
+static void ReadItem(Byte *p, CItem &item, bool mode64bit)
+{
+  memcpy(item.Name, p, 64);
+  // item.NameSize = GetUi16(p + 64);
+  item.Type = p[66];
+  item.LeftDid = GetUi32(p + 68);
+  item.RightDid = GetUi32(p + 72);
+  item.SonDid = GetUi32(p + 76);
+  // item.Flags = GetUi32(p + 96);
+  GetFileTimeFromMem(p + 100, &item.CreationTime);
+  GetFileTimeFromMem(p + 108, &item.LastWriteTime);
+  item.Sid = GetUi32(p + 116);
+  item.Size = GetUi32(p + 120);
+  if (mode64bit)
+    item.Size |= ((UInt64)GetUi32(p + 124) << 32);
+}
+
+static const UInt32 kNoDid = 0xFFFFFFFF;
+
+HRESULT CDatabase::AddNode(int parent, UInt32 did)
+{
+  if (did == kNoDid)
+    return S_OK;
+  if (did >= (UInt32)Items.Size())
+    return S_FALSE;
+  const CItem &item = Items[did];
+  if (item.IsEmpty())
+    return S_FALSE;
+  CRef ref;
+  ref.Parent = parent;
+  ref.Did = did;
+  int index = Refs.Add(ref);
+  if (Refs.Size() > Items.Size())
+    return S_FALSE;
+  RINOK(AddNode(parent, item.LeftDid));
+  RINOK(AddNode(parent, item.RightDid));
+  if (item.IsDir())
+  {
+    RINOK(AddNode(index, item.SonDid));
+  }
+  return S_OK;
+}
+
+static const char kCharOpenBracket  = '[';
+static const char kCharCloseBracket = ']';
+
+UString DWORDToString(UInt32 val)
+{
+  wchar_t buf[32];
+  ConvertUInt64ToString(val, buf);
+  return buf;
+}
+
+static UString CompoundNameToFileName(const UString &s)
+{
+  UString res;
+  for (int i = 0; i < s.Length(); i++)
+  {
+    wchar_t c = s[i];
+    if (c < 0x20)
+    {
+      res += kCharOpenBracket;
+      res += DWORDToString(c);
+      res += kCharCloseBracket;
+    }
+    else
+      res += c;
+  } 
+  return res;
+}
+
+static char g_MsiChars[] =
+"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz._";
+
+static const wchar_t *kMsi_ID = L""; // L"{msi}";
+
+static const int kMsiNumBits = 6;
+static const UInt32 kMsiNumChars = 1 << kMsiNumBits;
+static const UInt32 kMsiCharMask = kMsiNumChars - 1;
+static const UInt32 kMsiStartUnicodeChar = 0x3800;
+static const UInt32 kMsiUnicodeRange = kMsiNumChars * (kMsiNumChars + 1);
+
+bool CompoundMsiNameToFileName(const UString &name, UString &resultName)
+{
+  resultName.Empty();
+  for (int i = 0; i < name.Length(); i++)
+  {
+    wchar_t c =  name[i];
+    if (c < kMsiStartUnicodeChar || c > kMsiStartUnicodeChar + kMsiUnicodeRange)
+      return false;
+    if (i == 0)
+      resultName += kMsi_ID;
+    c -= kMsiStartUnicodeChar;
+    
+    UInt32 c0 = c & kMsiCharMask;
+    UInt32 c1 = c >> kMsiNumBits;
+
+    if (c1 <= kMsiNumChars)
+    {
+      resultName += (wchar_t)g_MsiChars[c0];
+      if (c1 == kMsiNumChars)
+        break;
+      resultName += (wchar_t)g_MsiChars[c1];
+    }
+    else
+      resultName += L'!';
+  }
+  return true;
+}
+
+static UString ConvertName(const Byte *p)
+{
+  UString s;
+  for (int i = 0; i < kNameSizeMax; i += 2)
+  {
+    wchar_t c = (p[i] | (wchar_t)p[i + 1] << 8);
+    if (c == 0)
+      break;
+    s += c;
+  }
+  UString msiName;
+  if (CompoundMsiNameToFileName(s, msiName))
+    return msiName;
+  return CompoundNameToFileName(s);
+}
+
+UString CDatabase::GetItemPath(UInt32 index) const
+{
+  UString s;
+  while (index != kNoDid)
+  {
+    const CRef &ref = Refs[index];
+    const CItem &item = Items[ref.Did];
+    if (!s.IsEmpty())
+      s = (UString)WCHAR_PATH_SEPARATOR + s;
+    s = ConvertName(item.Name) + s;
+    index = ref.Parent;
+  }
+  return s;
+}
+
+HRESULT OpenArchive(IInStream *inStream, CDatabase &db)
+{
+  static const UInt32 kHeaderSize = 512;
+  Byte p[kHeaderSize];
+  RINOK(ReadBytes(inStream, p, kHeaderSize));
+  if (memcmp(p, kSignature, kSignatureSize) != 0)
+    return S_FALSE;
+  UInt16 majorVer = GetUi16(p + 0x1A);
+  if (majorVer > 4)
+    return S_FALSE;
+  if (GetUi16(p + 0x1C) != 0xFFFE)
+    return S_FALSE;
+  UInt16 sectorSizeBits = GetUi16(p + 0x1E);
+  bool mode64bit = (sectorSizeBits >= 12);
+  UInt16 miniSectorSizeBits = GetUi16(p + 0x20);
+  db.SectorSizeBits = sectorSizeBits;
+  db.MiniSectorSizeBits = miniSectorSizeBits;
+
+  if (sectorSizeBits > 28 || miniSectorSizeBits > 28 || 
+      sectorSizeBits < 7 || miniSectorSizeBits < 2 || miniSectorSizeBits > sectorSizeBits)
+    return S_FALSE;
+  UInt32 numSectorsForFAT = GetUi32(p + 0x2C);
+  db.LongStreamMinSize = GetUi32(p + 0x38);
+  
+  UInt32 sectSize = (UInt32)1 << (int)(sectorSizeBits);
+
+  CByteBuffer sect;
+  sect.SetCapacity(sectSize);
+
+  int ssb2 = (int)(sectorSizeBits - 2);
+  UInt32 numSidsInSec = (UInt32)1 << ssb2;
+  UInt32 numFatItems = numSectorsForFAT << ssb2;
+  if ((numFatItems >> ssb2) != numSectorsForFAT)
+    return S_FALSE;
+  db.FatSize = numFatItems;
+
+  {
+    CUInt32Buf bat;
+    UInt32 numSectorsForBat = GetUi32(p + 0x48);
+    const UInt32 kNumHeaderBatItems = 109;
+    UInt32 numBatItems = kNumHeaderBatItems + (numSectorsForBat << ssb2);
+    if (numBatItems < kNumHeaderBatItems || ((numBatItems - kNumHeaderBatItems) >> ssb2) != numSectorsForBat)
+      return S_FALSE;
+    if (!bat.Allocate(numBatItems))
+      return S_FALSE;
+    UInt32 i;
+    for (i = 0; i < kNumHeaderBatItems; i++)
+      bat[i] = GetUi32(p + 0x4c + i * 4);
+    UInt32 sid = GetUi32(p + 0x44);
+    for (UInt32 s = 0; s < numSectorsForBat; s++)
+    {
+      RINOK(ReadIDs(inStream, sect, sectorSizeBits, sid, bat + i));
+      i += numSidsInSec - 1;
+      sid = bat[i];
+    }
+    numBatItems = i;
+    
+    if (!db.Fat.Allocate(numFatItems))
+      return S_FALSE;
+    UInt32 j = 0;
+      
+    for (i = 0; i < numFatItems; j++, i += numSidsInSec)
+    {
+      if (j >= numBatItems)
+        return S_FALSE;
+      RINOK(ReadIDs(inStream, sect, sectorSizeBits, bat[j], db.Fat + i));
+    }
+  }
+
+  UInt32 numMatItems;
+  {
+    UInt32 numSectorsForMat = GetUi32(p + 0x40);
+    numMatItems = (UInt32)numSectorsForMat << ssb2;
+    if ((numMatItems >> ssb2) != numSectorsForMat)
+      return S_FALSE;
+    if (!db.Mat.Allocate(numMatItems))
+      return S_FALSE;
+    UInt32 i;
+    UInt32 sid = GetUi32(p + 0x3C);
+    for (i = 0; i < numMatItems; i += numSidsInSec)
+    {
+      RINOK(ReadIDs(inStream, sect, sectorSizeBits, sid, db.Mat + i));
+      if (sid >= numFatItems)
+        return S_FALSE;
+      sid = db.Fat[sid];
+    }
+    if (sid != NFatID::kEndOfChain)
+      return S_FALSE;
+  }
+
+  {
+    UInt32 sid = GetUi32(p + 0x30);
+    for (;;)
+    {
+      if (sid >= numFatItems)
+        return S_FALSE;
+      RINOK(ReadSector(inStream, sect, sectorSizeBits, sid));
+      for (UInt32 i = 0; i < sectSize; i += 128)
+      {
+        CItem item;
+        ReadItem(sect + i, item, mode64bit);
+        db.Items.Add(item);
+      }
+      sid = db.Fat[sid];
+      if (sid == NFatID::kEndOfChain)
+        break;
+    }
+  }
+
+  CItem root = db.Items[0];
+
+  {
+    UInt32 numSectorsInMiniStream;
+    {
+      UInt64 numSatSects64 = (root.Size + sectSize - 1) >> sectorSizeBits;
+      if (numSatSects64 > NFatID::kMaxValue)
+        return S_FALSE;
+      numSectorsInMiniStream = (UInt32)numSatSects64;
+    }
+    db.NumSectorsInMiniStream = numSectorsInMiniStream;
+    if (!db.MiniSids.Allocate(numSectorsInMiniStream))
+      return S_FALSE;
+    {
+      UInt64 matSize64 = (root.Size + (1 << miniSectorSizeBits) - 1) >> miniSectorSizeBits;
+      if (matSize64 > NFatID::kMaxValue)
+        return S_FALSE;
+      db.MatSize = (UInt32)matSize64;
+      if (numMatItems < db.MatSize)
+        return S_FALSE;
+    }
+
+
+    UInt32 sid = root.Sid;
+    for (UInt32 i = 0; ; i++)
+    {
+      if (sid == NFatID::kEndOfChain)
+      {
+        if (i != numSectorsInMiniStream)
+          return S_FALSE;
+        break;
+      }
+      if (i >= numSectorsInMiniStream)
+        return S_FALSE;
+      db.MiniSids[i] = sid;
+      if (sid >= numFatItems)
+        return S_FALSE;
+      sid = db.Fat[sid];
+    }
+  }
+
+  return db.AddNode(-1, root.SonDid);
+}
+
+}}
diff --git a/CPP/7zip/Archive/Com/ComIn.h b/CPP/7zip/Archive/Com/ComIn.h
new file mode 100755
index 00000000..683e61dc
--- /dev/null
+++ b/CPP/7zip/Archive/Com/ComIn.h
@@ -0,0 +1,106 @@
+// Archive/ComIn.h
+
+#ifndef __ARCHIVE_COM_IN_H
+#define __ARCHIVE_COM_IN_H
+
+#include "Common/MyString.h"
+#include "Common/Buffer.h"
+
+namespace NArchive {
+namespace NCom {
+
+struct CUInt32Buf
+{
+  UInt32 *_buf;
+public:
+  CUInt32Buf(): _buf(0) {}
+  ~CUInt32Buf() { Free(); }
+  void Free();
+  bool Allocate(UInt32 numItems);
+  operator UInt32 *() const { return _buf; };
+};
+
+namespace NFatID
+{
+  const UInt32 kFree       = 0xFFFFFFFF;
+  const UInt32 kEndOfChain = 0xFFFFFFFE;
+  const UInt32 kFatSector  = 0xFFFFFFFD;
+  const UInt32 kMatSector  = 0xFFFFFFFC;
+  const UInt32 kMaxValue   = 0xFFFFFFFA;
+}
+
+namespace NItemType
+{
+  const Byte kEmpty = 0;
+  const Byte kStorage = 1;
+  const Byte kStream = 2;
+  const Byte kLockBytes = 3;
+  const Byte kProperty = 4;
+  const Byte kRootStorage = 5;
+}
+
+const UInt32 kNameSizeMax = 64;
+
+struct CItem
+{
+  Byte Name[kNameSizeMax];
+  // UInt16 NameSize;
+  // UInt32 Flags;
+  FILETIME CreationTime;
+  FILETIME LastWriteTime;
+  UInt64 Size;
+  UInt32 LeftDid;
+  UInt32 RightDid;
+  UInt32 SonDid;
+  UInt32 Sid;
+  Byte Type;
+
+  bool IsEmpty() const { return Type == NItemType::kEmpty; }
+  bool IsDir() const { return Type == NItemType::kStorage || Type == NItemType::kRootStorage; }
+};
+
+struct CRef
+{
+  int Parent;
+  UInt32 Did;
+};
+
+class CDatabase
+{
+public:
+  HRESULT AddNode(int parent, UInt32 did);
+
+  CUInt32Buf Fat;
+  UInt32 FatSize;
+  
+  CUInt32Buf MiniSids;
+  UInt32 NumSectorsInMiniStream;
+
+  CUInt32Buf Mat;
+  UInt32 MatSize;
+
+  CObjectVector<CItem> Items;
+  CRecordVector<CRef> Refs;
+
+  UInt32 LongStreamMinSize;
+  int SectorSizeBits;
+  int MiniSectorSizeBits;
+
+  void Clear()
+  {
+    Fat.Free();
+    MiniSids.Free();
+    Mat.Free();
+    Items.Clear();
+    Refs.Clear();
+  }
+
+  bool IsLargeStream(UInt64 size) { return size >= LongStreamMinSize; }
+  UString GetItemPath(UInt32 index) const;
+};
+
+HRESULT OpenArchive(IInStream *inStream, CDatabase &database);
+
+}}
+  
+#endif
diff --git a/CPP/7zip/Archive/Com/ComRegister.cpp b/CPP/7zip/Archive/Com/ComRegister.cpp
new file mode 100755
index 00000000..688c9803
--- /dev/null
+++ b/CPP/7zip/Archive/Com/ComRegister.cpp
@@ -0,0 +1,13 @@
+// ComRegister.cpp
+
+#include "StdAfx.h"
+
+#include "../../Common/RegisterArc.h"
+
+#include "ComHandler.h"
+static IInArchive *CreateArc() { return new NArchive::NCom::CHandler;  }
+
+static CArcInfo g_ArcInfo =
+  { L"Com", L"msi doc xls ppt", 0, 0xE5, { 0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1 }, 8, false, CreateArc, 0 };
+
+REGISTER_ARC(Com)
diff --git a/CPP/7zip/Archive/Wim/WimIn.cpp b/CPP/7zip/Archive/Wim/WimIn.cpp
index 80ac1954..951fc79b 100755
--- a/CPP/7zip/Archive/Wim/WimIn.cpp
+++ b/CPP/7zip/Archive/Wim/WimIn.cpp
@@ -123,7 +123,7 @@ HRESULT CUnpacker::Unpack(IInStream *inStream, const CResource &resource,
     if (outProcessed + outSize > resource.UnpackSize)
       outSize = (UInt32)(resource.UnpackSize - outProcessed);
     UInt64 outSize64 = outSize;
-    lzxDecoderSpec->SetKeepHistory(false, 0);
+    lzxDecoderSpec->SetKeepHistory(false);
     ICompressCoder *coder = (inSize == outSize) ? copyCoder : lzxDecoder;
     RINOK(coder->Code(limitedStreamSpec, outStream, NULL, &outSize64, NULL));
     outProcessed += outSize;