Move LZMA SDK to 3rdparty subdirectory

Also add attribution document.

Task-number: QTIFW-2336
Change-Id: I91546bc6c3ace244e4b546b945f40b7d204f7463
Reviewed-by: Katja Marttila <katja.marttila@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

1 files changed, 757 insertions, 0 deletions

diff --git a/src/libs/3rdparty/7zip/unix/CPP/7zip/UI/Common/EnumDirItems.cpp b/src/libs/3rdparty/7zip/unix/CPP/7zip/UI/Common/EnumDirItems.cpp
new file mode 100644
index 000000000..b94e6274c
--- /dev/null
+++ b/src/libs/3rdparty/7zip/unix/CPP/7zip/UI/Common/EnumDirItems.cpp
@@ -0,0 +1,757 @@
+// EnumDirItems.cpp
+
+#include "StdAfx.h"
+
+#include "../../../Common/Wildcard.h"
+
+#include "../../../Windows/FileDir.h"
+#include "../../../Windows/FileIO.h"
+#include "../../../Windows/FileName.h"
+
+#if defined(_WIN32) && !defined(UNDER_CE)
+#define _USE_SECURITY_CODE
+#include "../../../Windows/SecurityUtils.h"
+#endif
+
+#include "EnumDirItems.h"
+
+using namespace NWindows;
+using namespace NFile;
+using namespace NName;
+
+void AddDirFileInfo(int phyParent, int logParent, int secureIndex,
+    const NFind::CFileInfo &fi, CObjectVector<CDirItem> &dirItems)
+{
+  CDirItem di;
+  di.Size = fi.Size;
+  di.CTime = fi.CTime;
+  di.ATime = fi.ATime;
+  di.MTime = fi.MTime;
+  di.Attrib = fi.Attrib;
+  // FIXME di.IsAltStream = fi.IsAltStream;
+  di.PhyParent = phyParent;
+  di.LogParent = logParent;
+  di.SecureIndex = secureIndex;
+  di.Name = fs2us(fi.Name);
+  #if defined(_WIN32) && !defined(UNDER_CE)
+  // di.ShortName = fs2us(fi.ShortName);
+  #endif
+  dirItems.Add(di);
+}
+
+UString CDirItems::GetPrefixesPath(const CIntVector &parents, int index, const UString &name) const
+{
+  UString path;
+  unsigned len = name.Len();
+  int i;
+  for (i = index; i >= 0; i = parents[i])
+    len += Prefixes[i].Len();
+  unsigned totalLen = len;
+  wchar_t *p = path.GetBuffer(len);
+  p[len] = 0;
+  len -= name.Len();
+  memcpy(p + len, (const wchar_t *)name, name.Len() * sizeof(wchar_t));
+  for (i = index; i >= 0; i = parents[i])
+  {
+    const UString &s = Prefixes[i];
+    len -= s.Len();
+    memcpy(p + len, (const wchar_t *)s, s.Len() * sizeof(wchar_t));
+  }
+  path.ReleaseBuffer(totalLen);
+  return path;
+}
+
+UString CDirItems::GetPhyPath(unsigned index) const
+{
+  const CDirItem &di = Items[index];
+  return GetPrefixesPath(PhyParents, di.PhyParent, di.Name);
+}
+
+UString CDirItems::GetLogPath(unsigned index) const
+{
+  const CDirItem &di = Items[index];
+  return GetPrefixesPath(LogParents, di.LogParent, di.Name);
+}
+
+void CDirItems::ReserveDown()
+{
+  Prefixes.ReserveDown();
+  PhyParents.ReserveDown();
+  LogParents.ReserveDown();
+  Items.ReserveDown();
+}
+
+unsigned CDirItems::AddPrefix(int phyParent, int logParent, const UString &prefix)
+{
+  PhyParents.Add(phyParent);
+  LogParents.Add(logParent);
+  return Prefixes.Add(prefix);
+}
+
+void CDirItems::DeleteLastPrefix()
+{
+  PhyParents.DeleteBack();
+  LogParents.DeleteBack();
+  Prefixes.DeleteBack();
+}
+
+bool InitLocalPrivileges();
+
+CDirItems::CDirItems():
+    SymLinks(false),
+    TotalSize(0)
+    #ifdef _USE_SECURITY_CODE
+    , ReadSecure(false)
+    #endif
+{
+  #ifdef _USE_SECURITY_CODE
+  _saclEnabled = InitLocalPrivileges();
+  #endif
+}
+
+#ifdef _USE_SECURITY_CODE
+
+void CDirItems::AddSecurityItem(const FString &path, int &secureIndex)
+{
+  secureIndex = -1;
+
+  SECURITY_INFORMATION securInfo =
+      DACL_SECURITY_INFORMATION |
+      GROUP_SECURITY_INFORMATION |
+      OWNER_SECURITY_INFORMATION;
+  if (_saclEnabled)
+    securInfo |= SACL_SECURITY_INFORMATION;
+
+  DWORD errorCode = 0;
+  DWORD secureSize;
+  BOOL res = ::GetFileSecurityW(fs2us(path), securInfo, TempSecureBuf, (DWORD)TempSecureBuf.Size(), &secureSize);
+  if (res)
+  {
+    if (secureSize == 0)
+      return;
+    if (secureSize > TempSecureBuf.Size())
+      errorCode = ERROR_INVALID_FUNCTION;
+  }
+  else
+  {
+    errorCode = GetLastError();
+    if (errorCode == ERROR_INSUFFICIENT_BUFFER)
+    {
+      if (secureSize <= TempSecureBuf.Size())
+        errorCode = ERROR_INVALID_FUNCTION;
+      else
+      {
+        TempSecureBuf.Alloc(secureSize);
+        res = ::GetFileSecurityW(fs2us(path), securInfo, TempSecureBuf, (DWORD)TempSecureBuf.Size(), &secureSize);
+        if (res)
+        {
+          if (secureSize != TempSecureBuf.Size())
+            errorCode = ERROR_INVALID_FUNCTION;;
+        }
+        else
+          errorCode = GetLastError();
+      }
+    }
+  }
+  if (res)
+  {
+    secureIndex = SecureBlocks.AddUniq(TempSecureBuf, secureSize);
+    return;
+  }
+  if (errorCode == 0)
+    errorCode = ERROR_INVALID_FUNCTION;
+  AddError(path, errorCode);
+}
+
+#endif
+
+void CDirItems::EnumerateDir(int phyParent, int logParent, const FString &phyPrefix)
+{
+  NFind::CEnumerator enumerator(phyPrefix + FCHAR_ANY_MASK);
+  for (;;)
+  {
+    NFind::CFileInfo fi;
+    bool found;
+    if (!enumerator.Next(fi, found))
+    {
+      AddError(phyPrefix);
+      return;
+    }
+    if (!found)
+      break;
+
+    int secureIndex = -1;
+    #ifdef _USE_SECURITY_CODE
+    if (ReadSecure)
+      AddSecurityItem(phyPrefix + fi.Name, secureIndex);
+    #endif
+
+    AddDirFileInfo(phyParent, logParent, secureIndex, fi, Items);
+
+    if (fi.IsDir())
+    {
+      const FString name2 = fi.Name + FCHAR_PATH_SEPARATOR;
+      unsigned parent = AddPrefix(phyParent, logParent, fs2us(name2));
+      EnumerateDir(parent, parent, phyPrefix + name2);
+    }
+  }
+}
+
+void CDirItems::EnumerateItems2(
+    const FString &phyPrefix,
+    const UString &logPrefix,
+    const FStringVector &filePaths,
+    FStringVector *requestedPaths)
+{
+  int phyParent = phyPrefix.IsEmpty() ? -1 : AddPrefix(-1, -1, fs2us(phyPrefix));
+  int logParent = logPrefix.IsEmpty() ? -1 : AddPrefix(-1, -1, logPrefix);
+
+  FOR_VECTOR (i, filePaths)
+  {
+    const FString &filePath = filePaths[i];
+    NFind::CFileInfo fi;
+    const FString phyPath = phyPrefix + filePath;
+    if (!fi.Find(phyPath))
+    {
+      AddError(phyPath);
+      continue;
+    }
+    if (requestedPaths)
+      requestedPaths->Add(phyPath);
+
+    int delimiter = filePath.ReverseFind(FCHAR_PATH_SEPARATOR);
+    FString phyPrefixCur;
+    int phyParentCur = phyParent;
+    if (delimiter >= 0)
+    {
+      phyPrefixCur.SetFrom(filePath, delimiter + 1);
+      phyParentCur = AddPrefix(phyParent, logParent, fs2us(phyPrefixCur));
+    }
+
+    int secureIndex = -1;
+    #ifdef _USE_SECURITY_CODE
+    if (ReadSecure)
+      AddSecurityItem(phyPath, secureIndex);
+    #endif
+
+    AddDirFileInfo(phyParentCur, logParent, secureIndex, fi, Items);
+
+    if (fi.IsDir())
+    {
+      const FString name2 = fi.Name + FCHAR_PATH_SEPARATOR;
+      unsigned parent = AddPrefix(phyParentCur, logParent, fs2us(name2));
+      EnumerateDir(parent, parent, phyPrefix + phyPrefixCur + name2);
+    }
+  }
+  ReserveDown();
+}
+
+
+
+
+
+
+static HRESULT EnumerateDirItems(
+    const NWildcard::CCensorNode &curNode,
+    int phyParent, int logParent, const FString &phyPrefix,
+    const UStringVector &addArchivePrefix,
+    CDirItems &dirItems,
+    bool enterToSubFolders,
+    IEnumDirItemCallback *callback);
+
+static HRESULT EnumerateDirItems_Spec(
+    const NWildcard::CCensorNode &curNode,
+    int phyParent, int logParent, const FString &curFolderName,
+    const FString &phyPrefix,
+    const UStringVector &addArchivePrefix,
+    CDirItems &dirItems,
+    bool enterToSubFolders,
+    IEnumDirItemCallback *callback)
+{
+  const FString name2 = curFolderName + FCHAR_PATH_SEPARATOR;
+  unsigned parent = dirItems.AddPrefix(phyParent, logParent, fs2us(name2));
+  unsigned numItems = dirItems.Items.Size();
+  HRESULT res = EnumerateDirItems(
+      curNode, parent, parent, phyPrefix + name2,
+      addArchivePrefix, dirItems, enterToSubFolders, callback);
+  if (numItems == dirItems.Items.Size())
+    dirItems.DeleteLastPrefix();
+  return res;
+}
+
+#if 0 // #ifndef UNDER_CE
+
+static void EnumerateAltStreams(
+    const NFind::CFileInfo &fi,
+    const NWildcard::CCensorNode &curNode,
+    int phyParent, int logParent, const FString &phyPrefix,
+    const UStringVector &addArchivePrefix,  // prefix from curNode
+    CDirItems &dirItems)
+{
+  const FString fullPath = phyPrefix + fi.Name;
+  NFind::CStreamEnumerator enumerator(fullPath);
+  for (;;)
+  {
+    NFind::CStreamInfo si;
+    bool found;
+    if (!enumerator.Next(si, found))
+    {
+      dirItems.AddError(fullPath + FTEXT(":*"), (DWORD)E_FAIL);
+      break;
+    }
+    if (!found)
+      break;
+    if (si.IsMainStream())
+      continue;
+    UStringVector addArchivePrefixNew = addArchivePrefix;
+    UString reducedName = si.GetReducedName();
+    addArchivePrefixNew.Back() += reducedName;
+    if (curNode.CheckPathToRoot(false, addArchivePrefixNew, true))
+      continue;
+    NFind::CFileInfo fi2 = fi;
+    fi2.Name += us2fs(reducedName);
+    fi2.Size = si.Size;
+    fi2.Attrib &= ~FILE_ATTRIBUTE_DIRECTORY;
+    fi2.IsAltStream = true;
+    AddDirFileInfo(phyParent, logParent, -1, fi2, dirItems.Items);
+    dirItems.TotalSize += fi2.Size;
+  }
+}
+
+void CDirItems::SetLinkInfo(CDirItem &dirItem, const NFind::CFileInfo &fi,
+    const FString &phyPrefix)
+{
+  if (!SymLinks || !fi.HasReparsePoint())
+    return;
+  const FString path = phyPrefix + fi.Name;
+  CByteBuffer &buf = dirItem.ReparseData;
+  if (NIO::GetReparseData(path, buf))
+  {
+    CReparseAttr attr;
+    if (attr.Parse(buf, buf.Size()))
+      return;
+  }
+  AddError(path);
+  buf.Free();
+}
+
+#endif
+
+static HRESULT EnumerateForItem(
+    NFind::CFileInfo &fi,
+    const NWildcard::CCensorNode &curNode,
+    int phyParent, int logParent, const FString &phyPrefix,
+    const UStringVector &addArchivePrefix,  // prefix from curNode
+    CDirItems &dirItems,
+    bool enterToSubFolders,
+    IEnumDirItemCallback *callback)
+{
+  const UString name = fs2us(fi.Name);
+  bool enterToSubFolders2 = enterToSubFolders;
+  UStringVector addArchivePrefixNew = addArchivePrefix;
+  addArchivePrefixNew.Add(name);
+  {
+    UStringVector addArchivePrefixNewTemp(addArchivePrefixNew);
+    if (curNode.CheckPathToRoot(false, addArchivePrefixNewTemp, !fi.IsDir()))
+      return S_OK;
+  }
+  int dirItemIndex = -1;
+
+  if (curNode.CheckPathToRoot(true, addArchivePrefixNew, !fi.IsDir()))
+  {
+    int secureIndex = -1;
+    #ifdef _USE_SECURITY_CODE
+    if (dirItems.ReadSecure)
+      dirItems.AddSecurityItem(phyPrefix + fi.Name, secureIndex);
+    #endif
+
+    dirItemIndex = dirItems.Items.Size();
+    AddDirFileInfo(phyParent, logParent, secureIndex, fi, dirItems.Items);
+    dirItems.TotalSize += fi.Size;
+    if (fi.IsDir())
+      enterToSubFolders2 = true;
+  }
+
+  #if 0 // #ifndef UNDER_CE
+  if (dirItems.ScanAltStreams)
+  {
+    EnumerateAltStreams(fi, curNode, phyParent, logParent, phyPrefix,
+        addArchivePrefixNew, dirItems);
+  }
+
+  if (dirItemIndex >= 0)
+  {
+    CDirItem &dirItem = dirItems.Items[dirItemIndex];
+    dirItems.SetLinkInfo(dirItem, fi, phyPrefix);
+    if (dirItem.ReparseData.Size() != 0)
+      return S_OK;
+  }
+  #endif
+
+  if (!fi.IsDir())
+    return S_OK;
+
+  const NWildcard::CCensorNode *nextNode = 0;
+  if (addArchivePrefix.IsEmpty())
+  {
+    int index = curNode.FindSubNode(name);
+    if (index >= 0)
+      nextNode = &curNode.SubNodes[index];
+  }
+  if (!enterToSubFolders2 && nextNode == 0)
+    return S_OK;
+
+  addArchivePrefixNew = addArchivePrefix;
+  if (nextNode == 0)
+  {
+    nextNode = &curNode;
+    addArchivePrefixNew.Add(name);
+  }
+
+  return EnumerateDirItems_Spec(
+      *nextNode, phyParent, logParent, fi.Name, phyPrefix,
+      addArchivePrefixNew,
+      dirItems,
+      enterToSubFolders2, callback);
+}
+
+
+static bool CanUseFsDirect(const NWildcard::CCensorNode &curNode)
+{
+  FOR_VECTOR (i, curNode.IncludeItems)
+  {
+    const NWildcard::CItem &item = curNode.IncludeItems[i];
+    if (item.Recursive || item.PathParts.Size() != 1)
+      return false;
+    const UString &name = item.PathParts.Front();
+    if (name.IsEmpty())
+      return false;
+
+    /* Windows doesn't support file name with wildcard.
+       but if another system supports file name with wildcard,
+       and wildcard mode is disabled, we can ignore wildcard in name */
+    /*
+    if (!item.WildcardParsing)
+      continue;
+    */
+    if (DoesNameContainWildcard(name))
+      return false;
+  }
+  return true;
+}
+
+
+static HRESULT EnumerateDirItems(
+    const NWildcard::CCensorNode &curNode,
+    int phyParent, int logParent, const FString &phyPrefix,
+    const UStringVector &addArchivePrefix,  // prefix from curNode
+    CDirItems &dirItems,
+    bool enterToSubFolders,
+    IEnumDirItemCallback *callback)
+{
+  if (!enterToSubFolders)
+    if (curNode.NeedCheckSubDirs())
+      enterToSubFolders = true;
+  if (callback)
+    RINOK(callback->ScanProgress(dirItems.GetNumFolders(), dirItems.Items.Size(), dirItems.TotalSize, fs2us(phyPrefix), true));
+
+  // try direct_names case at first
+  if (addArchivePrefix.IsEmpty() && !enterToSubFolders)
+  {
+    if (CanUseFsDirect(curNode))
+    {
+      // all names are direct (no wildcards)
+      // so we don't need file_system's dir enumerator
+      CRecordVector<bool> needEnterVector;
+      unsigned i;
+
+      for (i = 0; i < curNode.IncludeItems.Size(); i++)
+      {
+        const NWildcard::CItem &item = curNode.IncludeItems[i];
+        const UString &name = item.PathParts.Front();
+        const FString fullPath = phyPrefix + us2fs(name);
+        NFind::CFileInfo fi;
+        #ifdef _WIN32
+        if (phyPrefix.IsEmpty() && item.IsDriveItem())
+        {
+          fi.SetAsDir();
+          fi.Name = fullPath;
+        }
+        else
+        #endif
+        if (!fi.Find(fullPath))
+        {
+          dirItems.AddError(fullPath);
+          continue;
+        }
+        bool isDir = fi.IsDir();
+        if (isDir && !item.ForDir || !isDir && !item.ForFile)
+        {
+          dirItems.AddError(fullPath, (DWORD)E_FAIL);
+          continue;
+        }
+        {
+          UStringVector pathParts;
+          pathParts.Add(fs2us(fi.Name));
+          if (curNode.CheckPathToRoot(false, pathParts, !isDir))
+            continue;
+        }
+
+        int secureIndex = -1;
+        #ifdef _USE_SECURITY_CODE
+        if (dirItems.ReadSecure)
+          dirItems.AddSecurityItem(fullPath, secureIndex);
+        #endif
+
+        AddDirFileInfo(phyParent, logParent, secureIndex, fi, dirItems.Items);
+
+        #if 0 // #ifndef UNDER_CE
+        {
+          CDirItem &dirItem = dirItems.Items.Back();
+          dirItems.SetLinkInfo(dirItem, fi, phyPrefix);
+          if (dirItem.ReparseData.Size() != 0)
+            continue;
+        }
+        #endif
+
+        dirItems.TotalSize += fi.Size;
+
+        #if 0 // #ifndef UNDER_CE
+        if (dirItems.ScanAltStreams)
+        {
+          UStringVector pathParts;
+          pathParts.Add(fs2us(fi.Name));
+          EnumerateAltStreams(fi, curNode, phyParent, logParent, phyPrefix,
+              pathParts, dirItems);
+        }
+        #endif
+
+        if (!isDir)
+          continue;
+
+        UStringVector addArchivePrefixNew;
+        const NWildcard::CCensorNode *nextNode = 0;
+        int index = curNode.FindSubNode(name);
+        if (index >= 0)
+        {
+          for (int t = needEnterVector.Size(); t <= index; t++)
+            needEnterVector.Add(true);
+          needEnterVector[index] = false;
+          nextNode = &curNode.SubNodes[index];
+        }
+        else
+        {
+          nextNode = &curNode;
+          addArchivePrefixNew.Add(name); // don't change it to fi.Name. It's for shortnames support
+        }
+
+        RINOK(EnumerateDirItems_Spec(*nextNode, phyParent, logParent, fi.Name, phyPrefix,
+            addArchivePrefixNew, dirItems, true, callback));
+      }
+
+      for (i = 0; i < curNode.SubNodes.Size(); i++)
+      {
+        if (i < needEnterVector.Size())
+          if (!needEnterVector[i])
+            continue;
+        const NWildcard::CCensorNode &nextNode = curNode.SubNodes[i];
+        const FString fullPath = phyPrefix + us2fs(nextNode.Name);
+        NFind::CFileInfo fi;
+        #ifdef _WIN32
+        if (phyPrefix.IsEmpty() && NWildcard::IsDriveColonName(nextNode.Name))
+        {
+          fi.SetAsDir();
+          fi.Name = fullPath;
+        }
+        else
+        #endif
+        if (!fi.Find(fullPath,true))
+        {
+          if (!nextNode.AreThereIncludeItems())
+            continue;
+          dirItems.AddError(fullPath);
+          continue;
+        }
+        if (!fi.IsDir())
+        {
+          dirItems.AddError(fullPath, (DWORD)E_FAIL);
+          continue;
+        }
+
+        RINOK(EnumerateDirItems_Spec(nextNode, phyParent, logParent, fi.Name, phyPrefix,
+            UStringVector(), dirItems, false, callback));
+      }
+
+      return S_OK;
+    }
+  }
+
+  #ifdef _WIN32
+  #ifndef UNDER_CE
+
+  // scan drives, if wildcard is "*:\"
+
+  if (phyPrefix.IsEmpty() && curNode.IncludeItems.Size() > 0)
+  {
+    unsigned i;
+    for (i = 0; i < curNode.IncludeItems.Size(); i++)
+    {
+      const NWildcard::CItem &item = curNode.IncludeItems[i];
+      if (item.PathParts.Size() < 1)
+        break;
+      const UString &name = item.PathParts.Front();
+      if (name.Len() != 2 || name[1] != ':')
+        break;
+      if (item.PathParts.Size() == 1)
+        if (item.ForFile || !item.ForDir)
+          break;
+      if (NWildcard::IsDriveColonName(name))
+        continue;
+      if (name[0] != '*' && name[0] != '?')
+        break;
+    }
+    if (i == curNode.IncludeItems.Size())
+    {
+      FStringVector driveStrings;
+      NFind::MyGetLogicalDriveStrings(driveStrings);
+      for (i = 0; i < driveStrings.Size(); i++)
+      {
+        FString driveName = driveStrings[i];
+        if (driveName.Len() < 3 || driveName.Back() != '\\')
+          return E_FAIL;
+        driveName.DeleteBack();
+        NFind::CFileInfo fi;
+        fi.SetAsDir();
+        fi.Name = driveName;
+
+        RINOK(EnumerateForItem(fi, curNode, phyParent, logParent, phyPrefix,
+            addArchivePrefix, dirItems, enterToSubFolders, callback));
+      }
+      return S_OK;
+    }
+  }
+
+  #endif
+  #endif
+
+  NFind::CEnumerator enumerator(phyPrefix + FCHAR_ANY_MASK);
+  for (unsigned ttt = 0; ; ttt++)
+  {
+    NFind::CFileInfo fi;
+    bool found;
+    if (!enumerator.Next(fi, found))
+    {
+      dirItems.AddError(phyPrefix);
+      break;
+    }
+    if (!found)
+      break;
+
+    if (callback && (ttt & 0xFF) == 0xFF)
+      RINOK(callback->ScanProgress(dirItems.GetNumFolders(), dirItems.Items.Size(), dirItems.TotalSize, fs2us(phyPrefix), true));
+
+    RINOK(EnumerateForItem(fi, curNode, phyParent, logParent, phyPrefix,
+          addArchivePrefix, dirItems, enterToSubFolders, callback));
+  }
+  return S_OK;
+}
+
+HRESULT EnumerateItems(
+    const NWildcard::CCensor &censor,
+    const NWildcard::ECensorPathMode pathMode,
+    const UString &addPathPrefix,
+    CDirItems &dirItems,
+    IEnumDirItemCallback *callback)
+{
+  FOR_VECTOR (i, censor.Pairs)
+  {
+    const NWildcard::CPair &pair = censor.Pairs[i];
+    int phyParent = pair.Prefix.IsEmpty() ? -1 : dirItems.AddPrefix(-1, -1, pair.Prefix);
+    int logParent = -1;
+
+    if (pathMode == NWildcard::k_AbsPath)
+      logParent = phyParent;
+    else
+    {
+      if (!addPathPrefix.IsEmpty())
+        logParent = dirItems.AddPrefix(-1, -1, addPathPrefix);
+    }
+
+    RINOK(EnumerateDirItems(pair.Head, phyParent, logParent, us2fs(pair.Prefix), UStringVector(),
+        dirItems,
+        false, // enterToSubFolders
+        callback));
+  }
+  dirItems.ReserveDown();
+
+  #if defined(_WIN32) && !defined(UNDER_CE)
+  dirItems.FillFixedReparse();
+  #endif
+
+  return S_OK;
+}
+
+#if defined(_WIN32) && !defined(UNDER_CE)
+
+void CDirItems::FillFixedReparse()
+{
+  /* imagex/WIM reduces absolute pathes in links (raparse data),
+     if we archive non root folder. We do same thing here */
+
+  if (!SymLinks)
+    return;
+
+  FOR_VECTOR(i, Items)
+  {
+    CDirItem &item = Items[i];
+    if (item.ReparseData.Size() == 0)
+      continue;
+
+    CReparseAttr attr;
+    if (!attr.Parse(item.ReparseData, item.ReparseData.Size()))
+      continue;
+    if (attr.IsRelative())
+      continue;
+
+    const UString &link = attr.GetPath();
+    if (!IsDrivePath(link))
+      continue;
+    // maybe we need to support networks paths also ?
+
+    FString fullPathF;
+    if (!NDir::MyGetFullPathName(us2fs(GetPhyPath(i)), fullPathF))
+      continue;
+    UString fullPath = fs2us(fullPathF);
+    const UString logPath = GetLogPath(i);
+    if (logPath.Len() >= fullPath.Len())
+      continue;
+    if (CompareFileNames(logPath, fullPath.RightPtr(logPath.Len())) != 0)
+      continue;
+
+    const UString prefix = fullPath.Left(fullPath.Len() - logPath.Len());
+    if (prefix.Back() != WCHAR_PATH_SEPARATOR)
+      continue;
+
+    unsigned rootPrefixSize = GetRootPrefixSize(prefix);
+    if (rootPrefixSize == 0)
+      continue;
+    if (rootPrefixSize == prefix.Len())
+      continue; // simple case: paths are from root
+
+    if (link.Len() <= prefix.Len())
+      continue;
+
+    if (CompareFileNames(link.Left(prefix.Len()), prefix) != 0)
+      continue;
+
+    UString newLink = prefix.Left(rootPrefixSize);
+    newLink += link.Ptr(prefix.Len());
+
+    CByteBuffer data;
+    if (!FillLinkData(data, newLink, attr.IsSymLink()))
+      continue;
+    item.ReparseData2 = data;
+  }
+}
+
+#endif