22.0022.00

13 files changed, 848 insertions, 194 deletions

diff --git a/CPP/Windows/FileDir.cpp b/CPP/Windows/FileDir.cpp
index 8a33fc8..cce2638 100644
--- a/CPP/Windows/FileDir.cpp
+++ b/CPP/Windows/FileDir.cpp
@@ -17,7 +17,6 @@
 
 #include "../Common/StringConvert.h"
 #include "../Common/C_FileIO.h"
-#include "TimeUtils.h"
 #endif
 
 #include "FileDir.h"
@@ -32,6 +31,30 @@ using namespace NWindows;
 using namespace NFile;
 using namespace NName;
 
+#ifndef _WIN32
+
+static bool FiTime_To_timespec(const CFiTime *ft, timespec &ts)
+{
+  if (ft)
+  {
+    ts = *ft;
+    return true;
+  }
+  // else
+  {
+    ts.tv_sec = 0;
+    ts.tv_nsec =
+    #ifdef UTIME_OMIT
+      UTIME_OMIT; // -2 keep old timesptamp
+    #else
+      // UTIME_NOW; -1 // set to the current time
+      0;
+    #endif
+    return false;
+  }
+}
+#endif
+
 namespace NWindows {
 namespace NFile {
 namespace NDir {
@@ -86,7 +109,7 @@ bool GetSystemDir(FString &path)
 #endif // UNDER_CE
 
 
-bool SetDirTime(CFSTR path, const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime)
+bool SetDirTime(CFSTR path, const CFiTime *cTime, const CFiTime *aTime, const CFiTime *mTime)
 {
   #ifndef _UNICODE
   if (!g_IsNT)
@@ -920,39 +943,11 @@ bool GetCurrentDir(FString &path)
   // #define UTIME_OMIT -2
 #endif
 
-static bool FILETME_To_timespec(const FILETIME *ft, timespec &ts)
-{
-  if (ft)
-  {
-    const Int64 sec = NTime::FileTimeToUnixTime64(*ft);
-    // time_t is long
-    const time_t sec2 = (time_t)sec;
-    if (sec2 == sec)
-    {
-      ts.tv_sec = sec2;
-      const UInt64 winTime = (((UInt64)ft->dwHighDateTime) << 32) + ft->dwLowDateTime;
-      ts.tv_nsec = (long)((winTime % 10000000) * 100);
-      return true;
-    }
-  }
-  // else
-  {
-    ts.tv_sec = 0;
-    ts.tv_nsec =
-    #ifdef UTIME_OMIT
-      UTIME_OMIT; // keep old timesptamp
-    #else
-      // UTIME_NOW; // set to the current time
-      0;
-    #endif
-    return false;
-  }
-}
 
 
 
 
-bool SetDirTime(CFSTR path, const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime)
+bool SetDirTime(CFSTR path, const CFiTime *cTime, const CFiTime *aTime, const CFiTime *mTime)
 {
   // need testing
   /*
@@ -998,12 +993,18 @@ bool SetDirTime(CFSTR path, const FILETIME *cTime, const FILETIME *aTime, const
   UNUSED_VAR(cTime)
   
   bool needChange;
-  needChange  = FILETME_To_timespec(aTime, times[0]);
-  needChange |= FILETME_To_timespec(mTime, times[1]);
+  needChange  = FiTime_To_timespec(aTime, times[0]);
+  needChange |= FiTime_To_timespec(mTime, times[1]);
+
+  /*
+  if (mTime)
+  {
+    printf("\n time = %ld.%9ld\n", mTime->tv_sec, mTime->tv_nsec);
+  }
+  */
 
   if (!needChange)
     return true;
-
   const int flags = 0; // follow link
     // = AT_SYMLINK_NOFOLLOW; // don't follow link
   return utimensat(AT_FDCWD, path, times, flags) == 0;
@@ -1039,6 +1040,10 @@ static C_umask g_umask;
 #define TRACE_chmod(s, mode) \
   PRF(printf("\n chmod(%s, %o)\n", (const char *)path, (unsigned)(mode)));
 
+int my_chown(CFSTR path, uid_t owner, gid_t group)
+{
+  return chown(path, owner, group);
+}
 
 bool SetFileAttrib_PosixHighDetect(CFSTR path, DWORD attrib)
 {
diff --git a/CPP/Windows/FileDir.h b/CPP/Windows/FileDir.h
index 6d6ddea..08281aa 100644
--- a/CPP/Windows/FileDir.h
+++ b/CPP/Windows/FileDir.h
@@ -14,7 +14,12 @@ namespace NDir {
 bool GetWindowsDir(FString &path);
 bool GetSystemDir(FString &path);
 
-bool SetDirTime(CFSTR path, const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime);
+/*
+WIN32 API : SetFileTime() doesn't allow to set zero timestamps in file
+but linux : allows unix time = 0 in filesystem
+*/
+
+bool SetDirTime(CFSTR path, const CFiTime *cTime, const CFiTime *aTime, const CFiTime *mTime);
 
 
 #ifdef _WIN32
@@ -27,6 +32,9 @@ bool SetFileAttrib(CFSTR path, DWORD attrib);
   SetFileAttrib_PosixHighDetect() tries to detect posix field, and it extracts only attribute
   bits that are related to current system only.
 */
+#else
+
+int my_chown(CFSTR path, uid_t owner, gid_t group);
 
 #endif
 
diff --git a/CPP/Windows/FileFind.cpp b/CPP/Windows/FileFind.cpp
index 591f8df..c655759 100644
--- a/CPP/Windows/FileFind.cpp
+++ b/CPP/Windows/FileFind.cpp
@@ -7,6 +7,8 @@
 #ifndef _WIN32
 #include <fcntl.h>           /* Definition of AT_* constants */
 #include "TimeUtils.h"
+// for major
+// #include <sys/sysmacros.h>
 #endif
 
 #include "FileFind.h"
@@ -62,24 +64,35 @@ bool MyGetDiskFreeSpace(CFSTR rootPath, UInt64 &clusterSize, UInt64 &totalSize,
 
 namespace NFind {
 
+/*
+#ifdef _WIN32
 #define MY_CLEAR_FILETIME(ft) ft.dwLowDateTime = ft.dwHighDateTime = 0;
+#else
+#define MY_CLEAR_FILETIME(ft) ft.tv_sec = 0;  ft.tv_nsec = 0;
+#endif
+*/
 
 void CFileInfoBase::ClearBase() throw()
 {
   Size = 0;
-  MY_CLEAR_FILETIME(CTime);
-  MY_CLEAR_FILETIME(ATime);
-  MY_CLEAR_FILETIME(MTime);
+  FiTime_Clear(CTime);
+  FiTime_Clear(ATime);
+  FiTime_Clear(MTime);
+ 
+ #ifdef _WIN32
   Attrib = 0;
   // ReparseTag = 0;
   IsAltStream = false;
   IsDevice = false;
-
-  #ifndef _WIN32
+ #else
+  dev = 0;
   ino = 0;
-  nlink = 0;
   mode = 0;
-  #endif
+  nlink = 0;
+  uid = 0;
+  gid = 0;
+  rdev = 0;
+ #endif
 }
 
 bool CFileInfo::IsDots() const throw()
@@ -439,6 +452,20 @@ also we support paths that are not supported by FindFirstFile:
 bool CFileInfo::Find(CFSTR path, bool followLink)
 {
   #ifdef SUPPORT_DEVICE_FILE
+  
+  if (IS_PATH_SEPAR(path[0]) &&
+      IS_PATH_SEPAR(path[1]) &&
+      path[2] == '.' &&
+      path[3] == 0)
+  {
+    // 22.00 : it's virtual directory for devices
+    // IsDevice = true;
+    ClearBase();
+    Name = path + 2;
+    Attrib = FILE_ATTRIBUTE_DIRECTORY;
+    return true;
+  }
+  
   if (IsDevicePath(path))
   {
     ClearBase();
@@ -469,7 +496,7 @@ bool CFileInfo::Find(CFSTR path, bool followLink)
 
   #if defined(_WIN32) && !defined(UNDER_CE)
 
-  int colonPos = FindAltStreamColon(path);
+  const int colonPos = FindAltStreamColon(path);
   if (colonPos >= 0 && path[(unsigned)colonPos + 1] != 0)
   {
     UString streamName = fs2us(path + (unsigned)colonPos);
@@ -635,7 +662,7 @@ bool CFileInfo::Find(CFSTR path, bool followLink)
   return Fill_From_ByHandleFileInfo(path);
 }
 
-bool CFileInfo::Fill_From_ByHandleFileInfo(CFSTR path)
+bool CFileInfoBase::Fill_From_ByHandleFileInfo(CFSTR path)
 {
   BY_HANDLE_FILE_INFORMATION info;
   if (!NIO::CFileBase::GetFileInformation(path, &info))
@@ -950,13 +977,6 @@ static const char *Get_Name_from_Path(CFSTR path) throw()
 }
 
 
-void timespec_To_FILETIME(const MY_ST_TIMESPEC &ts, FILETIME &ft)
-{
-  UInt64 v = NTime::UnixTime64ToFileTime64(ts.tv_sec) + ((UInt64)ts.tv_nsec / 100);
-  ft.dwLowDateTime = (DWORD)v;
-  ft.dwHighDateTime = (DWORD)(v >> 32);
-}
-
 UInt32 Get_WinAttribPosix_From_PosixMode(UInt32 mode)
 {
   UInt32 attrib = S_ISDIR(mode) ?
@@ -984,7 +1004,7 @@ UInt32 Get_WinAttrib_From_stat(const struct stat &st)
 
 void CFileInfo::SetFrom_stat(const struct stat &st)
 {
-  IsDevice = false;
+  // IsDevice = false;
 
   if (S_ISDIR(st.st_mode))
   {
@@ -995,7 +1015,7 @@ void CFileInfo::SetFrom_stat(const struct stat &st)
     Size = (UInt64)st.st_size; // for a symbolic link, size = size of filename
   }
 
-  Attrib = Get_WinAttribPosix_From_PosixMode(st.st_mode);
+  // Attrib = Get_WinAttribPosix_From_PosixMode(st.st_mode);
 
   // NTime::UnixTimeToFileTime(st.st_ctime, CTime);
   // NTime::UnixTimeToFileTime(st.st_mtime, MTime);
@@ -1010,27 +1030,89 @@ void CFileInfo::SetFrom_stat(const struct stat &st)
   */
   // timespec_To_FILETIME(st.st_birthtimespec, CTime);
   // #else
-  timespec_To_FILETIME(st.st_ctimespec, CTime);
+  // timespec_To_FILETIME(st.st_ctimespec, CTime);
   // #endif
-  timespec_To_FILETIME(st.st_mtimespec, MTime);
-  timespec_To_FILETIME(st.st_atimespec, ATime);
+  // timespec_To_FILETIME(st.st_mtimespec, MTime);
+  // timespec_To_FILETIME(st.st_atimespec, ATime);
+  CTime = st.st_ctimespec;
+  MTime = st.st_mtimespec;
+  ATime = st.st_atimespec;
+
   #else
-  timespec_To_FILETIME(st.st_ctim, CTime);
-  timespec_To_FILETIME(st.st_mtim, MTime);
-  timespec_To_FILETIME(st.st_atim, ATime);
+  // timespec_To_FILETIME(st.st_ctim, CTime, &CTime_ns100);
+  // timespec_To_FILETIME(st.st_mtim, MTime, &MTime_ns100);
+  // timespec_To_FILETIME(st.st_atim, ATime, &ATime_ns100);
+  CTime = st.st_ctim;
+  MTime = st.st_mtim;
+  ATime = st.st_atim;
+
   #endif
 
   dev = st.st_dev;
   ino = st.st_ino;
-  nlink = st.st_nlink;
   mode = st.st_mode;
+  nlink = st.st_nlink;
+  uid = st.st_uid;
+  gid = st.st_gid;
+  rdev = st.st_rdev;
+
+  /*
+  printf("\n sizeof timespec = %d", (int)sizeof(timespec));
+  printf("\n sizeof st_rdev = %d", (int)sizeof(rdev));
+  printf("\n sizeof st_ino = %d", (int)sizeof(ino));
+  printf("\n sizeof mode_t = %d", (int)sizeof(mode_t));
+  printf("\n sizeof nlink_t = %d", (int)sizeof(nlink_t));
+  printf("\n sizeof uid_t = %d", (int)sizeof(uid_t));
+  printf("\n");
+  */
+  /*
+  printf("\n st_rdev = %llx", (long long)rdev);
+  printf("\n st_dev  = %llx", (long long)dev);
+  printf("\n dev  : major = %5x minor = %5x", (unsigned)major(dev), (unsigned)minor(dev));
+  printf("\n st_ino = %lld", (long long)(ino));
+  printf("\n rdev : major = %5x minor = %5x", (unsigned)major(rdev), (unsigned)minor(rdev));
+  printf("\n size = %lld \n", (long long)(Size));
+  printf("\n");
+  */
+}
+
+/*
+int Uid_To_Uname(uid_t uid, AString &name)
+{
+  name.Empty();
+  struct passwd *passwd;
+
+  if (uid != 0 && uid == cached_no_such_uid)
+    {
+      *uname = xstrdup ("");
+      return;
+    }
+
+  if (!cached_uname || uid != cached_uid)
+    {
+      passwd = getpwuid (uid);
+      if (passwd)
+  {
+    cached_uid = uid;
+    assign_string (&cached_uname, passwd->pw_name);
+  }
+      else
+  {
+    cached_no_such_uid = uid;
+    *uname = xstrdup ("");
+    return;
+  }
+    }
+  *uname = xstrdup (cached_uname);
 }
+*/
 
 bool CFileInfo::Find_DontFill_Name(CFSTR path, bool followLink)
 {
   struct stat st;
   if (MY__lstat(path, &st, followLink) != 0)
     return false;
+  // printf("\nFind_DontFill_Name : name=%s\n", path);
   SetFrom_stat(st);
   return true;
 }
@@ -1232,6 +1314,7 @@ bool CEnumerator::Fill_FileInfo(const CDirEntry &de, CFileInfo &fileInfo, bool f
   
   if (res != 0)
     return false;
+  // printf("\nname=%s\n", de.Name.Ptr());
   fileInfo.SetFrom_stat(st);
   fileInfo.Name = de.Name;
   return true;
diff --git a/CPP/Windows/FileFind.h b/CPP/Windows/FileFind.h
index 8f28ee3..fcfe02c 100644
--- a/CPP/Windows/FileFind.h
+++ b/CPP/Windows/FileFind.h
@@ -9,10 +9,14 @@
 #include <dirent.h>
 #endif
 
+#include "../Common/MyLinux.h"
 #include "../Common/MyString.h"
 #include "../Common/MyWindows.h"
+
 #include "Defs.h"
 
+#include "FileIO.h"
+
 namespace NWindows {
 namespace NFile {
 namespace NFind {
@@ -32,6 +36,7 @@ bool DoesFileOrDirExist(CFSTR name);
 
 DWORD GetFileAttrib(CFSTR path);
 
+#ifdef _WIN32
 
 namespace NAttributes
 {
@@ -42,21 +47,38 @@ namespace NAttributes
   inline bool IsArchived(DWORD attrib) { return (attrib & FILE_ATTRIBUTE_ARCHIVE) != 0; }
   inline bool IsCompressed(DWORD attrib) { return (attrib & FILE_ATTRIBUTE_COMPRESSED) != 0; }
   inline bool IsEncrypted(DWORD attrib) { return (attrib & FILE_ATTRIBUTE_ENCRYPTED) != 0; }
+
+  inline UInt32 Get_PosixMode_From_WinAttrib(DWORD attrib)
+  {
+    UInt32 v = IsDir(attrib) ? MY_LIN_S_IFDIR : MY_LIN_S_IFREG;
+    /* 21.06: as WSL we allow write permissions (0222) for directories even for (FILE_ATTRIBUTE_READONLY).
+    So extracting at Linux will be allowed to write files inside (0777) directories. */
+    v |= ((IsReadOnly(attrib) && !IsDir(attrib)) ? 0555 : 0777);
+    return v;
+  }
 }
 
+#else
+
+UInt32 Get_WinAttribPosix_From_PosixMode(UInt32 mode);
+
+#endif
+
 class CFileInfoBase
 {
+ #ifdef _WIN32
   bool MatchesMask(UINT32 mask) const { return ((Attrib & mask) != 0); }
+ #endif
 public:
   UInt64 Size;
-  FILETIME CTime;
-  FILETIME ATime;
-  FILETIME MTime;
+  CFiTime CTime;
+  CFiTime ATime;
+  CFiTime MTime;
+ #ifdef _WIN32
   DWORD Attrib;
   bool IsAltStream;
   bool IsDevice;
 
-  #ifdef _WIN32
   /*
   #ifdef UNDER_CE
   DWORD ObjectID;
@@ -64,24 +86,25 @@ public:
   UINT32 ReparseTag;
   #endif
   */
-  #else
-  dev_t dev;
+ #else
+  dev_t dev;     /* ID of device containing file */
   ino_t ino;
-  nlink_t nlink;
   mode_t mode;
+  nlink_t nlink;
+  uid_t uid;     /* user ID of owner */
+  gid_t gid;     /* group ID of owner */
+  dev_t rdev;    /* device ID (defined, if S_ISCHR(mode) || S_ISBLK(mode)) */
   // bool Use_lstat;
-  #endif
+ #endif
 
   CFileInfoBase() { ClearBase(); }
   void ClearBase() throw();
-  
-  void SetAsDir()
-  {
-    Attrib = FILE_ATTRIBUTE_DIRECTORY;
-    #ifndef _WIN32
-    Attrib |= (FILE_ATTRIBUTE_UNIX_EXTENSION + (S_IFDIR << 16));
-    #endif
-  }
+
+ #ifdef _WIN32
+ 
+  bool Fill_From_ByHandleFileInfo(CFSTR path);
+  void SetAsDir()  { Attrib = FILE_ATTRIBUTE_DIRECTORY; } // |= (FILE_ATTRIBUTE_UNIX_EXTENSION + (S_IFDIR << 16));
+  void SetAsFile() { Attrib = 0; }
 
   bool IsArchived() const { return MatchesMask(FILE_ATTRIBUTE_ARCHIVE); }
   bool IsCompressed() const { return MatchesMask(FILE_ATTRIBUTE_COMPRESSED); }
@@ -96,13 +119,33 @@ public:
   bool IsSystem() const { return MatchesMask(FILE_ATTRIBUTE_SYSTEM); }
   bool IsTemporary() const { return MatchesMask(FILE_ATTRIBUTE_TEMPORARY); }
 
-  #ifndef _WIN32
-  bool IsPosixLink() const
+  UInt32 GetWinAttrib() const { return Attrib; }
+  UInt32 GetPosixAttrib() const
   {
-    const UInt32 mod = Attrib >> 16;
-    return S_ISLNK(mod);
+    return NAttributes::Get_PosixMode_From_WinAttrib(Attrib);
   }
-  #endif
+  bool Has_Attrib_ReparsePoint() const { return (Attrib & FILE_ATTRIBUTE_REPARSE_POINT) != 0; }
+ 
+ #else
+  
+  UInt32 GetPosixAttrib() const { return mode; }
+  UInt32 GetWinAttrib() const { return Get_WinAttribPosix_From_PosixMode(mode); }
+
+  bool IsDir() const { return S_ISDIR(mode); }
+  void SetAsDir()  { mode = S_IFDIR; }
+  void SetAsFile() { mode = S_IFREG; }
+
+  bool IsReadOnly() const
+  {
+    // does linux support writing to ReadOnly files?
+    if ((mode & 0222) == 0) // S_IWUSR in p7zip
+      return true;
+    return false;
+  }
+ 
+  bool IsPosixLink() const { return S_ISLNK(mode); }
+
+ #endif
 
   bool IsOsSymLink() const
   {
@@ -126,7 +169,7 @@ struct CFileInfo: public CFileInfoBase
   bool Find_FollowLink(CFSTR path) { return Find(path, true); }
 
   #ifdef _WIN32
-  bool Fill_From_ByHandleFileInfo(CFSTR path);
+  // bool Fill_From_ByHandleFileInfo(CFSTR path);
   // bool FollowReparse(CFSTR path, bool isDir);
   #else
   bool Find_DontFill_Name(CFSTR path, bool followLink = false);
@@ -287,16 +330,8 @@ inline UInt32 Get_WinAttrib_From_PosixMode(UInt32 mode)
 }
 */
 
-UInt32 Get_WinAttribPosix_From_PosixMode(UInt32 mode);
-
 // UInt32 Get_WinAttrib_From_stat(const struct stat &st);
-#if defined(_AIX)
-  #define MY_ST_TIMESPEC st_timespec
-#else
-  #define MY_ST_TIMESPEC timespec
-#endif
 
-void timespec_To_FILETIME(const MY_ST_TIMESPEC &ts, FILETIME &ft);
 
 #endif // WIN32
 
diff --git a/CPP/Windows/FileIO.cpp b/CPP/Windows/FileIO.cpp
index 2974b1b..e51b0eb 100644
--- a/CPP/Windows/FileIO.cpp
+++ b/CPP/Windows/FileIO.cpp
@@ -8,6 +8,14 @@
 
 // #include <stdio.h>
 
+/*
+#ifndef _WIN32
+// for ioctl BLKGETSIZE64
+#include <sys/ioctl.h>
+#include <linux/fs.h>
+#endif
+*/
+
 #include "FileIO.h"
 #include "FileName.h"
 
@@ -615,7 +623,7 @@ namespace NWindows {
 namespace NFile {
 
 namespace NDir {
-bool SetDirTime(CFSTR path, const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime);
+bool SetDirTime(CFSTR path, const CFiTime *cTime, const CFiTime *aTime, const CFiTime *mTime);
 }
 
 namespace NIO {
@@ -629,6 +637,19 @@ bool CFileBase::OpenBinary(const char *name, int flags)
   Close();
   _handle = ::open(name, flags, 0666);
   return _handle != -1;
+
+  /*
+  if (_handle == -1)
+    return false;
+  if (IsString1PrefixedByString2(name, "/dev/"))
+  {
+    // /dev/sda
+    // IsDeviceFile = true; // for debug
+    // SizeDefined = false;
+    // SizeDefined = (GetDeviceSize_InBytes(Size) == 0);
+  }
+  return true;
+  */
 }
 
 bool CFileBase::Close()
@@ -638,6 +659,10 @@ bool CFileBase::Close()
   if (close(_handle) != 0)
     return false;
   _handle = -1;
+  /*
+  IsDeviceFile = false;
+  SizeDefined = false;
+  */
   return true;
 }
 
@@ -651,15 +676,35 @@ bool CFileBase::GetLength(UInt64 &length) const
   const off_t lengthTemp = seek(0, SEEK_END);
   seek(curPos, SEEK_SET);
   length = (UInt64)lengthTemp;
+
+  /*
+  // 22.00:
+  if (lengthTemp == 1)
+  if (IsDeviceFile && SizeDefined)
+  {
+    length = Size;
+    return true;
+  }
+  */
+
   return (lengthTemp != -1);
 }
 
 off_t CFileBase::seek(off_t distanceToMove, int moveMethod) const
 {
+  /*
+  if (IsDeviceFile && SizeDefined && moveMethod == SEEK_END)
+  {
+    printf("\n seek : IsDeviceFile moveMethod = %d distanceToMove = %ld\n", moveMethod, distanceToMove);
+    distanceToMove += Size;
+    moveMethod = SEEK_SET;
+  }
+  */
+
   // printf("\nCFileBase::seek() moveMethod = %d, distanceToMove = %lld", moveMethod, (long long)distanceToMove);
   // off_t res = ::lseek(_handle, distanceToMove, moveMethod);
+  // printf("\n lseek : moveMethod = %d distanceToMove = %ld\n", moveMethod, distanceToMove);
   return ::lseek(_handle, distanceToMove, moveMethod);
-  // printf(" res = %lld", (long long)res);
   // return res;
 }
 
@@ -694,6 +739,28 @@ bool CInFile::OpenShared(const char *name, bool)
   return Open(name);
 }
 
+
+/*
+int CFileBase::my_ioctl_BLKGETSIZE64(unsigned long long *numBlocks)
+{
+  // we can read "/sys/block/sda/size" "/sys/block/sda/sda1/size" - partition
+  // #include <linux/fs.h>
+  return ioctl(_handle, BLKGETSIZE64, numBlocks);
+  // in block size
+}
+
+int CFileBase::GetDeviceSize_InBytes(UInt64 &size)
+{
+  size = 0;
+  unsigned long long numBlocks;
+  int res = my_ioctl_BLKGETSIZE64(&numBlocks);
+  if (res == 0)
+    size = numBlocks; // another blockSize s possible?
+  printf("\nGetDeviceSize_InBytes res = %d, size = %lld\n", res, (long long)size);
+  return res;
+}
+*/
+
 /*
 On Linux (32-bit and 64-bit):
 read(), write() (and similar system calls) will transfer at most
@@ -802,7 +869,7 @@ bool COutFile::Close()
   return res;
 }
 
-bool COutFile::SetTime(const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime) throw()
+bool COutFile::SetTime(const CFiTime *cTime, const CFiTime *aTime, const CFiTime *mTime) throw()
 {
   // On some OS (cygwin, MacOSX ...), you must close the file before updating times
   // return true;
@@ -811,9 +878,22 @@ bool COutFile::SetTime(const FILETIME *cTime, const FILETIME *aTime, const FILET
   if (aTime) { ATime = *aTime; ATime_defined = true; } else ATime_defined = false;
   if (mTime) { MTime = *mTime; MTime_defined = true; } else MTime_defined = false;
   return true;
+
+  /*
+  struct timespec times[2];
+  UNUSED_VAR(cTime)
+  if (!aTime && !mTime)
+    return true;
+  bool needChange;
+  needChange  = FiTime_To_timespec(aTime, times[0]);
+  needChange |= FiTime_To_timespec(mTime, times[1]);
+  if (!needChange)
+    return true;
+  return futimens(_handle, times) == 0;
+  */
 }
 
-bool COutFile::SetMTime(const FILETIME *mTime) throw()
+bool COutFile::SetMTime(const CFiTime *mTime) throw()
 {
   if (mTime) { MTime = *mTime; MTime_defined = true; } else MTime_defined = false;
   return true;
diff --git a/CPP/Windows/FileIO.h b/CPP/Windows/FileIO.h
index 22998eb..8050965 100644
--- a/CPP/Windows/FileIO.h
+++ b/CPP/Windows/FileIO.h
@@ -30,6 +30,8 @@
 #include "../Common/MyString.h"
 #include "../Common/MyBuffer.h"
 
+#include "../Windows/TimeUtils.h"
+
 #include "Defs.h"
 
 HRESULT GetLastError_noZero_HRESULT();
@@ -94,6 +96,12 @@ struct CReparseAttr
   UString GetPath() const;
 };
 
+#ifdef _WIN32
+#define CFiInfo BY_HANDLE_FILE_INFORMATION
+#define ST_MTIME(st) (st).ftLastWriteTime
+#else
+#define CFiInfo stat
+#endif
 
 #ifdef _WIN32
 
@@ -142,6 +150,8 @@ public:
   CFileBase(): _handle(INVALID_HANDLE_VALUE), PreserveATime(false) {};
   ~CFileBase() { Close(); }
 
+  HANDLE GetHandle() const { return _handle; }
+
   bool Close() throw();
 
   bool GetPosition(UInt64 &position) const throw();
@@ -213,6 +223,15 @@ public:
 
   #ifndef UNDER_CE
 
+  bool Open_for_ReadAttributes(CFSTR fileName)
+  {
+    return Create(fileName, FILE_READ_ATTRIBUTES,
+        FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+        OPEN_EXISTING,
+        FILE_FLAG_BACKUP_SEMANTICS);
+    // we must use (FILE_FLAG_BACKUP_SEMANTICS) to open handle of directory.
+  }
+
   bool OpenReparse(CFSTR fileName)
   {
     // 17.02 fix: to support Windows XP compatibility junctions:
@@ -240,8 +259,8 @@ public:
   bool Create(CFSTR fileName, bool createAlways);
   bool CreateAlways(CFSTR fileName, DWORD flagsAndAttributes);
 
-  bool SetTime(const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime) throw();
-  bool SetMTime(const FILETIME *mTime) throw();
+  bool SetTime(const CFiTime *cTime, const CFiTime *aTime, const CFiTime *mTime) throw();
+  bool SetMTime(const CFiTime *mTime) throw();
   bool WritePart(const void *data, UInt32 size, UInt32 &processedSize) throw();
   bool Write(const void *data, UInt32 size, UInt32 &processedSize) throw();
   bool WriteFull(const void *data, size_t size) throw();
@@ -270,6 +289,12 @@ class CFileBase
 protected:
   int _handle;
 
+  /*
+  bool IsDeviceFile;
+  bool SizeDefined;
+  UInt64 Size; // it can be larger than real available size
+  */
+
   bool OpenBinary(const char *name, int flags);
 public:
   bool PreserveATime;
@@ -283,6 +308,11 @@ public:
   off_t seekToCur() const throw();
   // bool SeekToBegin() throw();
   int my_fstat(struct stat *st) const  { return fstat(_handle, st); }
+  /*
+  int my_ioctl_BLKGETSIZE64(unsigned long long *val);
+  int GetDeviceSize_InBytes(UInt64 &size);
+  void CalcDeviceSize(CFSTR s);
+  */
 };
 
 class CInFile: public CFileBase
@@ -301,9 +331,9 @@ class COutFile: public CFileBase
   bool ATime_defined;
   bool MTime_defined;
 
-  FILETIME CTime;
-  FILETIME ATime;
-  FILETIME MTime;
+  CFiTime CTime;
+  CFiTime ATime;
+  CFiTime MTime;
 
   AString Path;
   ssize_t write_part(const void *data, size_t size) throw();
@@ -333,8 +363,8 @@ public:
   {
     return SetLength(length);
   }
-  bool SetTime(const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime) throw();
-  bool SetMTime(const FILETIME *mTime) throw();
+  bool SetTime(const CFiTime *cTime, const CFiTime *aTime, const CFiTime *mTime) throw();
+  bool SetMTime(const CFiTime *mTime) throw();
 };
 
 }
diff --git a/CPP/Windows/PropVariant.cpp b/CPP/Windows/PropVariant.cpp
index 6e43c7b..2b17950 100644
--- a/CPP/Windows/PropVariant.cpp
+++ b/CPP/Windows/PropVariant.cpp
@@ -193,7 +193,7 @@ BSTR CPropVariant::AllocBstr(unsigned numChars)
 }
 
 #define SET_PROP_id_dest(id, dest) \
-  if (vt != id) { InternalClear(); vt = id; } dest = value;
+  if (vt != id) { InternalClear(); vt = id; } dest = value; wReserved1 = 0;
 
 void CPropVariant::Set_Int32(Int32 value) throw()
 {
@@ -217,67 +217,83 @@ SET_PROP_FUNC(UInt64, VT_UI8, uhVal.QuadPart)
 // SET_PROP_FUNC(Int64, VT_I8, hVal.QuadPart)
 SET_PROP_FUNC(const FILETIME &, VT_FILETIME, filetime)
 
+#define CASE_SIMPLE_VT_VALUES \
+    case VT_EMPTY:    \
+    case VT_BOOL:     \
+    case VT_FILETIME: \
+    case VT_UI8:      \
+    case VT_UI4:      \
+    case VT_UI2:      \
+    case VT_UI1:      \
+    case VT_I8:       \
+    case VT_I4:       \
+    case VT_I2:       \
+    case VT_I1:       \
+    case VT_UINT:     \
+    case VT_INT:      \
+    case VT_NULL:     \
+    case VT_ERROR:    \
+    case VT_R4:       \
+    case VT_R8:       \
+    case VT_CY:       \
+    case VT_DATE:     \
+
+
+/*
+  ::VariantClear() and ::VariantCopy() don't work, if (vt == VT_FILETIME)
+  So we handle VT_FILETIME and another simple types directly
+  we call system functions for VT_BSTR and for unknown typed
+*/
+ 
+CPropVariant::~CPropVariant()
+{
+  switch ((unsigned)vt)
+  {
+    CASE_SIMPLE_VT_VALUES
+      // vt = VT_EMPTY; // it's optional
+      return;
+  }
+  ::VariantClear((tagVARIANT *)this);
+}
+
 HRESULT PropVariant_Clear(PROPVARIANT *prop) throw()
 {
-  switch (prop->vt)
+  switch ((unsigned)prop->vt)
   {
-    case VT_EMPTY:
-    case VT_UI1:
-    case VT_I1:
-    case VT_I2:
-    case VT_UI2:
-    case VT_BOOL:
-    case VT_I4:
-    case VT_UI4:
-    case VT_R4:
-    case VT_INT:
-    case VT_UINT:
-    case VT_ERROR:
-    case VT_FILETIME:
-    case VT_UI8:
-    case VT_R8:
-    case VT_CY:
-    case VT_DATE:
+    CASE_SIMPLE_VT_VALUES
       prop->vt = VT_EMPTY;
-      prop->wReserved1 = 0;
-      prop->wReserved2 = 0;
-      prop->wReserved3 = 0;
-      prop->uhVal.QuadPart = 0;
-      return S_OK;
+      break;
+    default:
+    {
+      const HRESULT res = ::VariantClear((VARIANTARG *)prop);
+      if (res != S_OK || prop->vt != VT_EMPTY)
+        return res;
+      break;
+    }
   }
-  return ::VariantClear((VARIANTARG *)prop);
-  // return ::PropVariantClear(prop);
-  // PropVariantClear can clear VT_BLOB.
+  prop->wReserved1 = 0;
+  prop->wReserved2 = 0;
+  prop->wReserved3 = 0;
+  prop->uhVal.QuadPart = 0;
+  return S_OK;
 }
 
 HRESULT CPropVariant::Clear() throw()
 {
   if (vt == VT_EMPTY)
+  {
+    wReserved1 = 0;
     return S_OK;
+  }
   return PropVariant_Clear(this);
 }
 
 HRESULT CPropVariant::Copy(const PROPVARIANT* pSrc) throw()
 {
-  ::VariantClear((tagVARIANT *)this);
-  switch (pSrc->vt)
+  Clear();
+  switch ((unsigned)pSrc->vt)
   {
-    case VT_UI1:
-    case VT_I1:
-    case VT_I2:
-    case VT_UI2:
-    case VT_BOOL:
-    case VT_I4:
-    case VT_UI4:
-    case VT_R4:
-    case VT_INT:
-    case VT_UINT:
-    case VT_ERROR:
-    case VT_FILETIME:
-    case VT_UI8:
-    case VT_R8:
-    case VT_CY:
-    case VT_DATE:
+    CASE_SIMPLE_VT_VALUES
       memmove((PROPVARIANT*)this, pSrc, sizeof(PROPVARIANT));
       return S_OK;
   }
@@ -287,12 +303,13 @@ HRESULT CPropVariant::Copy(const PROPVARIANT* pSrc) throw()
 
 HRESULT CPropVariant::Attach(PROPVARIANT *pSrc) throw()
 {
-  HRESULT hr = Clear();
+  const HRESULT hr = Clear();
   if (FAILED(hr))
     return hr;
   // memcpy((PROPVARIANT *)this, pSrc, sizeof(PROPVARIANT));
   *(PROPVARIANT *)this = *pSrc;
   pSrc->vt = VT_EMPTY;
+  pSrc->wReserved1 = 0;
   return S_OK;
 }
 
@@ -300,21 +317,25 @@ HRESULT CPropVariant::Detach(PROPVARIANT *pDest) throw()
 {
   if (pDest->vt != VT_EMPTY)
   {
-    HRESULT hr = PropVariant_Clear(pDest);
+    const HRESULT hr = PropVariant_Clear(pDest);
     if (FAILED(hr))
       return hr;
   }
   // memcpy(pDest, this, sizeof(PROPVARIANT));
   *pDest = *(PROPVARIANT *)this;
   vt = VT_EMPTY;
+  wReserved1 = 0;
   return S_OK;
 }
 
 HRESULT CPropVariant::InternalClear() throw()
 {
   if (vt == VT_EMPTY)
+  {
+    wReserved1 = 0;
     return S_OK;
-  HRESULT hr = Clear();
+  }
+  const HRESULT hr = Clear();
   if (FAILED(hr))
   {
     vt = VT_ERROR;
@@ -325,7 +346,7 @@ HRESULT CPropVariant::InternalClear() throw()
 
 void CPropVariant::InternalCopy(const PROPVARIANT *pSrc)
 {
-  HRESULT hr = Copy(pSrc);
+  const HRESULT hr = Copy(pSrc);
   if (FAILED(hr))
   {
     if (hr == E_OUTOFMEMORY)
@@ -335,11 +356,12 @@ void CPropVariant::InternalCopy(const PROPVARIANT *pSrc)
   }
 }
 
+
 int CPropVariant::Compare(const CPropVariant &a) throw()
 {
   if (vt != a.vt)
     return MyCompare(vt, a.vt);
-  switch (vt)
+  switch ((unsigned)vt)
   {
     case VT_EMPTY: return 0;
     // case VT_I1: return MyCompare(cVal, a.cVal);
@@ -352,7 +374,15 @@ int CPropVariant::Compare(const CPropVariant &a) throw()
     case VT_I8: return MyCompare(hVal.QuadPart, a.hVal.QuadPart);
     case VT_UI8: return MyCompare(uhVal.QuadPart, a.uhVal.QuadPart);
     case VT_BOOL: return -MyCompare(boolVal, a.boolVal);
-    case VT_FILETIME: return ::CompareFileTime(&filetime, &a.filetime);
+    case VT_FILETIME:
+    {
+      const int res = CompareFileTime(&filetime, &a.filetime);
+      if (res != 0)
+        return res;
+      const unsigned v1 = Get_Ns100();
+      const unsigned v2 = a.Get_Ns100();
+      return MyCompare(v1, v2);
+    }
     case VT_BSTR: return 0; // Not implemented
     default: return 0;
   }
diff --git a/CPP/Windows/PropVariant.h b/CPP/Windows/PropVariant.h
index 108bf6b..171402f 100644
--- a/CPP/Windows/PropVariant.h
+++ b/CPP/Windows/PropVariant.h
@@ -29,11 +29,14 @@ inline void PropVarEm_Set_UInt64(PROPVARIANT *p, UInt64 v) throw()
   p->uhVal.QuadPart = v;
 }
 
-inline void PropVarEm_Set_FileTime64(PROPVARIANT *p, UInt64 v) throw()
+inline void PropVarEm_Set_FileTime64_Prec(PROPVARIANT *p, UInt64 v, unsigned prec) throw()
 {
   p->vt = VT_FILETIME;
   p->filetime.dwLowDateTime = (DWORD)v;
   p->filetime.dwHighDateTime = (DWORD)(v >> 32);
+  p->wReserved1 = (WORD)prec;
+  p->wReserved2 = 0;
+  p->wReserved3 = 0;
 }
 
 inline void PropVarEm_Set_Bool(PROPVARIANT *p, bool b) throw()
@@ -63,7 +66,51 @@ public:
     // uhVal.QuadPart = 0;
     bstrVal = 0;
   }
-  ~CPropVariant() throw() { Clear(); }
+
+
+  void Set_FtPrec(unsigned prec)
+  {
+    wReserved1 = (WORD)prec;
+    wReserved2 = 0;
+    wReserved3 = 0;
+  }
+
+  void SetAsTimeFrom_FT_Prec(const FILETIME &ft, unsigned prec)
+  {
+    operator=(ft);
+    Set_FtPrec(prec);
+  }
+
+  void SetAsTimeFrom_Ft64_Prec(UInt64 v, unsigned prec)
+  {
+    FILETIME ft;
+    ft.dwLowDateTime = (DWORD)(UInt32)v;
+    ft.dwHighDateTime = (DWORD)(UInt32)(v >> 32);
+    operator=(ft);
+    Set_FtPrec(prec);
+  }
+
+  void SetAsTimeFrom_FT_Prec_Ns100(const FILETIME &ft, unsigned prec, unsigned ns100)
+  {
+    operator=(ft);
+    wReserved1 = (WORD)prec;
+    wReserved2 = (WORD)ns100;
+    wReserved3 = 0;
+  }
+
+  unsigned Get_Ns100() const
+  {
+    const unsigned prec = wReserved1;
+    const unsigned ns100 = wReserved2;
+    if (prec == 0
+        && prec <= k_PropVar_TimePrec_1ns
+        && ns100 < 100 
+        && wReserved3 == 0)
+      return ns100;
+    return 0;
+  }
+
+  ~CPropVariant();
   CPropVariant(const PROPVARIANT &varSrc);
   CPropVariant(const CPropVariant &varSrc);
   CPropVariant(BSTR bstrSrc);
@@ -118,7 +165,6 @@ public:
 
   HRESULT InternalClear() throw();
   void InternalCopy(const PROPVARIANT *pSrc);
-
   int Compare(const CPropVariant &a) throw();
 };
 
diff --git a/CPP/Windows/PropVariantConv.cpp b/CPP/Windows/PropVariantConv.cpp
index b58d37e..3c9bbd1 100644
--- a/CPP/Windows/PropVariantConv.cpp
+++ b/CPP/Windows/PropVariantConv.cpp
@@ -9,7 +9,7 @@
 
 #define UINT_TO_STR_2(c, val) { s[0] = (c); s[1] = (char)('0' + (val) / 10); s[2] = (char)('0' + (val) % 10); s += 3; }
 
-bool ConvertUtcFileTimeToString(const FILETIME &utc, char *s, int level) throw()
+bool ConvertUtcFileTimeToString2(const FILETIME &utc, unsigned ns100, char *s, int level) throw()
 {
   *s = 0;
   FILETIME ft;
@@ -18,7 +18,10 @@ bool ConvertUtcFileTimeToString(const FILETIME &utc, char *s, int level) throw()
 
   SYSTEMTIME st;
   if (!BOOLToBool(FileTimeToSystemTime(&ft, &st)))
+  {
+    // win10 : that function doesn't work, if bit 63 of 64-bit FILETIME is set.
     return false;
+  }
 
   {
     unsigned val = st.wYear;
@@ -71,6 +74,12 @@ bool ConvertUtcFileTimeToString(const FILETIME &utc, char *s, int level) throw()
             numDigits = (unsigned)level;
           s += numDigits;
         }
+        if (level >= kTimestampPrintLevel_NTFS + 1)
+        {
+          *s++ = (char)('0' + (ns100 / 10));
+          if (level >= kTimestampPrintLevel_NTFS + 2)
+            *s++ = (char)('0' + (ns100 % 10));
+        }
       }
     }
   }
@@ -80,6 +89,25 @@ bool ConvertUtcFileTimeToString(const FILETIME &utc, char *s, int level) throw()
 }
 
 
+bool ConvertUtcFileTimeToString(const FILETIME &utc, char *s, int level) throw()
+{
+  return ConvertUtcFileTimeToString2(utc, 0, s, level);
+}
+
+bool ConvertUtcFileTimeToString2(const FILETIME &ft, unsigned ns100, wchar_t *dest, int level) throw()
+{
+  char s[32];
+  bool res = ConvertUtcFileTimeToString2(ft, ns100, s, level);
+  for (unsigned i = 0;; i++)
+  {
+    Byte c = (Byte)s[i];
+    dest[i] = c;
+    if (c == 0)
+      break;
+  }
+  return res;
+}
+
 bool ConvertUtcFileTimeToString(const FILETIME &ft, wchar_t *dest, int level) throw()
 {
   char s[32];
@@ -106,7 +134,19 @@ void ConvertPropVariantToShortString(const PROPVARIANT &prop, char *dest) throw(
     case VT_UI2: ConvertUInt32ToString(prop.uiVal, dest); return;
     case VT_UI4: ConvertUInt32ToString(prop.ulVal, dest); return;
     case VT_UI8: ConvertUInt64ToString(prop.uhVal.QuadPart, dest); return;
-    case VT_FILETIME: ConvertUtcFileTimeToString(prop.filetime, dest); return;
+    case VT_FILETIME:
+    {
+      // const unsigned prec = prop.wReserved1;
+      int level = 0;
+      /*
+      if (prec == 0)
+        level = 7;
+      else if (prec > 16 && prec <= 16 + 9)
+        level = prec - 16;
+      */
+      ConvertUtcFileTimeToString(prop.filetime, dest, level);
+      return;
+    }
     // case VT_I1: return ConvertInt64ToString(prop.cVal, dest); return;
     case VT_I2: ConvertInt64ToString(prop.iVal, dest); return;
     case VT_I4: ConvertInt64ToString(prop.lVal, dest); return;
@@ -127,7 +167,19 @@ void ConvertPropVariantToShortString(const PROPVARIANT &prop, wchar_t *dest) thr
     case VT_UI2: ConvertUInt32ToString(prop.uiVal, dest); return;
     case VT_UI4: ConvertUInt32ToString(prop.ulVal, dest); return;
     case VT_UI8: ConvertUInt64ToString(prop.uhVal.QuadPart, dest); return;
-    case VT_FILETIME: ConvertUtcFileTimeToString(prop.filetime, dest); return;
+    case VT_FILETIME:
+    {
+      // const unsigned prec = prop.wReserved1;
+      int level = 0;
+      /*
+      if (prec == 0)
+        level = 7;
+      else if (prec > 16 && prec <= 16 + 9)
+        level = prec - 16;
+      */
+      ConvertUtcFileTimeToString(prop.filetime, dest, level);
+      return;
+    }
     // case VT_I1: return ConvertInt64ToString(prop.cVal, dest); return;
     case VT_I2: ConvertInt64ToString(prop.iVal, dest); return;
     case VT_I4: ConvertInt64ToString(prop.lVal, dest); return;
diff --git a/CPP/Windows/PropVariantConv.h b/CPP/Windows/PropVariantConv.h
index 390e0b8..6067784 100644
--- a/CPP/Windows/PropVariantConv.h
+++ b/CPP/Windows/PropVariantConv.h
@@ -10,11 +10,14 @@
 #define kTimestampPrintLevel_DAY -3
 // #define kTimestampPrintLevel_HOUR -2
 #define kTimestampPrintLevel_MIN -1
-#define kTimestampPrintLevel_SEC 0
+#define kTimestampPrintLevel_SEC  0
 #define kTimestampPrintLevel_NTFS 7
+#define kTimestampPrintLevel_NS   9
 
 bool ConvertUtcFileTimeToString(const FILETIME &ft, char *s, int level = kTimestampPrintLevel_SEC) throw();
 bool ConvertUtcFileTimeToString(const FILETIME &ft, wchar_t *s, int level = kTimestampPrintLevel_SEC) throw();
+bool ConvertUtcFileTimeToString2(const FILETIME &ft, unsigned ns100, char *s, int level = kTimestampPrintLevel_SEC) throw();
+bool ConvertUtcFileTimeToString2(const FILETIME &ft, unsigned ns100, wchar_t *s, int level = kTimestampPrintLevel_SEC) throw();
 
 // provide at least 32 bytes for buffer including zero-end
 // don't send VT_BSTR to these functions
diff --git a/CPP/Windows/SecurityUtils.cpp b/CPP/Windows/SecurityUtils.cpp
index 640c90d..8a7f45c 100644
--- a/CPP/Windows/SecurityUtils.cpp
+++ b/CPP/Windows/SecurityUtils.cpp
@@ -2,8 +2,6 @@
 
 #include "StdAfx.h"
 
-#include "../Common/MyString.h"
-
 #include "SecurityUtils.h"
 
 namespace NWindows {
diff --git a/CPP/Windows/TimeUtils.cpp b/CPP/Windows/TimeUtils.cpp
index 1f1335f..77d2c51 100644
--- a/CPP/Windows/TimeUtils.cpp
+++ b/CPP/Windows/TimeUtils.cpp
@@ -22,7 +22,7 @@ static const UInt64 kUnixTimeOffset =
     (UInt64)60 * 60 * 24 * (89 + 365 * (kUnixTimeStartYear - kFileTimeStartYear));
 static const UInt64 kNumSecondsInFileTime = (UInt64)(Int64)-1 / kNumTimeQuantumsInSecond;
 
-bool DosTimeToFileTime(UInt32 dosTime, FILETIME &ft) throw()
+bool DosTime_To_FileTime(UInt32 dosTime, FILETIME &ft) throw()
 {
   #if defined(_WIN32) && !defined(UNDER_CE)
   return BOOLToBool(::DosDateTimeToFileTime((UInt16)(dosTime >> 16), (UInt16)(dosTime & 0xFFFF), &ft));
@@ -43,7 +43,7 @@ bool DosTimeToFileTime(UInt32 dosTime, FILETIME &ft) throw()
 static const UInt32 kHighDosTime = 0xFF9FBF7D;
 static const UInt32 kLowDosTime = 0x210000;
 
-bool FileTimeToDosTime(const FILETIME &ft, UInt32 &dosTime) throw()
+bool FileTime_To_DosTime(const FILETIME &ft, UInt32 &dosTime) throw()
 {
   #if defined(_WIN32) && !defined(UNDER_CE)
 
@@ -121,49 +121,86 @@ bool FileTimeToDosTime(const FILETIME &ft, UInt32 &dosTime) throw()
   return true;
 }
 
-UInt64 UnixTimeToFileTime64(UInt32 unixTime) throw()
+
+bool UtcFileTime_To_LocalDosTime(const FILETIME &utc, UInt32 &dosTime) throw()
+{
+  FILETIME loc = { 0, 0 };
+  const UInt64 u1 = FILETIME_To_UInt64(utc);
+  const UInt64 kDelta = ((UInt64)1 << 41); // it's larger than quantums in 1 sec.
+  if (u1 >= kDelta)
+  {
+    if (!FileTimeToLocalFileTime(&utc, &loc))
+      loc = utc;
+    else
+    {
+      const UInt64 u2 = FILETIME_To_UInt64(loc);
+      const UInt64 delta = u1 < u2 ? (u2 - u1) : (u1 - u2);
+      if (delta > kDelta) // if FileTimeToLocalFileTime() overflow, we use UTC time
+        loc = utc;
+    }
+  }
+  return FileTime_To_DosTime(loc, dosTime);
+}
+
+UInt64 UnixTime_To_FileTime64(UInt32 unixTime) throw()
 {
   return (kUnixTimeOffset + (UInt64)unixTime) * kNumTimeQuantumsInSecond;
 }
 
-void UnixTimeToFileTime(UInt32 unixTime, FILETIME &ft) throw()
+void UnixTime_To_FileTime(UInt32 unixTime, FILETIME &ft) throw()
 {
-  UInt64 v = UnixTimeToFileTime64(unixTime);
+  const UInt64 v = UnixTime_To_FileTime64(unixTime);
   ft.dwLowDateTime = (DWORD)v;
   ft.dwHighDateTime = (DWORD)(v >> 32);
 }
 
-UInt64 UnixTime64ToFileTime64(Int64 unixTime) throw()
+UInt64 UnixTime64_To_FileTime64(Int64 unixTime) throw()
 {
   return (UInt64)((Int64)kUnixTimeOffset + unixTime) * kNumTimeQuantumsInSecond;
 }
 
-bool UnixTime64ToFileTime(Int64 unixTime, FILETIME &ft) throw()
+
+bool UnixTime64_To_FileTime64(Int64 unixTime, UInt64 &fileTime) throw()
 {
   if (unixTime > (Int64)(kNumSecondsInFileTime - kUnixTimeOffset))
   {
-    ft.dwLowDateTime = ft.dwHighDateTime = (UInt32)(Int32)-1;
+    fileTime = (UInt64)(Int64)-1;
     return false;
   }
-  Int64 v = (Int64)kUnixTimeOffset + unixTime;
-  if (v < 0)
+  if (unixTime < -(Int64)kUnixTimeOffset)
   {
-    ft.dwLowDateTime = ft.dwHighDateTime = 0;
+    fileTime = 0;
     return false;
   }
-  UInt64 v2 = (UInt64)v * kNumTimeQuantumsInSecond;
-  ft.dwLowDateTime = (DWORD)v2;
-  ft.dwHighDateTime = (DWORD)(v2 >> 32);
+  fileTime = UnixTime64_To_FileTime64(unixTime);
   return true;
 }
 
-Int64 FileTimeToUnixTime64(const FILETIME &ft) throw()
+
+bool UnixTime64_To_FileTime(Int64 unixTime, FILETIME &ft) throw()
 {
-  UInt64 winTime = (((UInt64)ft.dwHighDateTime) << 32) + ft.dwLowDateTime;
+  UInt64 v;
+  const bool res = UnixTime64_To_FileTime64(unixTime, v);
+  ft.dwLowDateTime = (DWORD)v;
+  ft.dwHighDateTime = (DWORD)(v >> 32);
+  return res;
+}
+
+
+Int64 FileTime_To_UnixTime64(const FILETIME &ft) throw()
+{
+  const UInt64 winTime = (((UInt64)ft.dwHighDateTime) << 32) + ft.dwLowDateTime;
+  return (Int64)(winTime / kNumTimeQuantumsInSecond) - (Int64)kUnixTimeOffset;
+}
+
+Int64 FileTime_To_UnixTime64_and_Quantums(const FILETIME &ft, UInt32 &quantums) throw()
+{
+  const UInt64 winTime = (((UInt64)ft.dwHighDateTime) << 32) + ft.dwLowDateTime;
+  quantums = (UInt32)(winTime % kNumTimeQuantumsInSecond);
   return (Int64)(winTime / kNumTimeQuantumsInSecond) - (Int64)kUnixTimeOffset;
 }
 
-bool FileTimeToUnixTime(const FILETIME &ft, UInt32 &unixTime) throw()
+bool FileTime_To_UnixTime(const FILETIME &ft, UInt32 &unixTime) throw()
 {
   UInt64 winTime = (((UInt64)ft.dwHighDateTime) << 32) + ft.dwLowDateTime;
   winTime /= kNumTimeQuantumsInSecond;
@@ -173,9 +210,9 @@ bool FileTimeToUnixTime(const FILETIME &ft, UInt32 &unixTime) throw()
     return false;
   }
   winTime -= kUnixTimeOffset;
-  if (winTime > 0xFFFFFFFF)
+  if (winTime > (UInt32)0xFFFFFFFF)
   {
-    unixTime = 0xFFFFFFFF;
+    unixTime = (UInt32)0xFFFFFFFF;
     return false;
   }
   unixTime = (UInt32)winTime;
@@ -202,12 +239,13 @@ bool GetSecondsSince1601(unsigned year, unsigned month, unsigned day,
   return true;
 }
 
-void GetCurUtcFileTime(FILETIME &ft) throw()
+
+void GetCurUtc_FiTime(CFiTime &ft) throw()
 {
+ #ifdef _WIN32
+
   // Both variants provide same low resolution on WinXP: about 15 ms.
   // But GetSystemTimeAsFileTime is much faster.
-  #ifdef _WIN32
-
   #ifdef UNDER_CE
   SYSTEMTIME st;
   GetSystemTime(&st);
@@ -216,8 +254,22 @@ void GetCurUtcFileTime(FILETIME &ft) throw()
   GetSystemTimeAsFileTime(&ft);
   #endif
 
-  #else
+ #else
   
+  FiTime_Clear(ft);
+  struct timeval now;
+  if (gettimeofday(&now, 0 ) == 0)
+  {
+    ft.tv_sec = now.tv_sec;
+    ft.tv_nsec = now.tv_usec * 1000;
+  }
+
+ #endif
+}
+
+#ifndef _WIN32
+void GetCurUtcFileTime(FILETIME &ft) throw()
+{
   UInt64 v = 0;
   struct timeval now;
   if (gettimeofday(&now, 0 ) == 0)
@@ -227,8 +279,126 @@ void GetCurUtcFileTime(FILETIME &ft) throw()
   }
   ft.dwLowDateTime  = (DWORD)v;
   ft.dwHighDateTime = (DWORD)(v >> 32);
-
-  #endif
 }
+#endif
+
 
 }}
+
+
+#ifdef _WIN32
+
+/*
+void FiTime_Normalize_With_Prec(CFiTime &ft, unsigned prec)
+{
+  if (prec == k_PropVar_TimePrec_0
+      || prec == k_PropVar_TimePrec_HighPrec
+      || prec >= k_PropVar_TimePrec_100ns)
+    return;
+  UInt64 v = (((UInt64)ft.dwHighDateTime) << 32) + ft.dwLowDateTime;
+
+  int numDigits = (int)prec - (int)k_PropVar_TimePrec_Base;
+  UInt32 d;
+  if (prec == k_PropVar_TimePrec_DOS)
+  {
+    // we round up as windows DosDateTimeToFileTime()
+    v += NWindows::NTime::kNumTimeQuantumsInSecond * 2 - 1;
+    d = NWindows::NTime::kNumTimeQuantumsInSecond * 2;
+  }
+  else
+  {
+    if (prec == k_PropVar_TimePrec_Unix)
+      numDigits = 0;
+    else if (numDigits < 0)
+      return;
+    d = 1;
+    for (unsigned k = numDigits; k < 7; k++)
+      d *= 10;
+  }
+  v /= d;
+  v *= d;
+  ft.dwLowDateTime = (DWORD)v;
+  ft.dwHighDateTime = (DWORD)(v >> 32);
+}
+*/
+
+#else
+
+/*
+void FiTime_Normalize_With_Prec(CFiTime &ft, unsigned prec)
+{
+  if (prec >= k_PropVar_TimePrec_1ns
+      || prec == k_PropVar_TimePrec_HighPrec)
+    return;
+
+  int numDigits = (int)prec - (int)k_PropVar_TimePrec_Base;
+  UInt32 d;
+  if (prec == k_PropVar_TimePrec_Unix ||
+      prec == (int)k_PropVar_TimePrec_Base)
+  {
+    ft.tv_nsec = 0;
+    return;
+  }
+  if (prec == k_PropVar_TimePrec_DOS)
+  {
+    // we round up as windows DosDateTimeToFileTime()
+    const unsigned sec1 = (ft.tv_sec & 1);
+    if (ft.tv_nsec == 0 && sec1 == 0)
+      return;
+    ft.tv_nsec = 0;
+    ft.tv_sec += 2 - sec1;
+    return;
+  }
+  {
+    if (prec == k_PropVar_TimePrec_0
+        || numDigits < 0)
+      numDigits = 7;
+    d = 1;
+    for (unsigned k = numDigits; k < 9; k++)
+      d *= 10;
+    ft.tv_nsec /= d;
+    ft.tv_nsec *= d;
+  }
+}
+*/
+
+int Compare_FiTime(const CFiTime *a1, const CFiTime *a2)
+{
+  if (a1->tv_sec < a2->tv_sec) return -1;
+  if (a1->tv_sec > a2->tv_sec) return 1;
+  if (a1->tv_nsec < a2->tv_nsec) return -1;
+  if (a1->tv_nsec > a2->tv_nsec) return 1;
+  return 0;
+}
+
+bool FILETIME_To_timespec(const FILETIME &ft, timespec &ts)
+{
+  UInt32 quantums;
+  const Int64 sec = NWindows::NTime::FileTime_To_UnixTime64_and_Quantums(ft, quantums);
+  // time_t is long
+  const time_t sec2 = (time_t)sec;
+  if (sec2 == sec)
+  {
+    ts.tv_sec = sec2;
+    ts.tv_nsec = (long)(quantums * 100);
+    return true;
+  }
+  return false;
+}
+
+void FiTime_To_FILETIME_ns100(const CFiTime &ts, FILETIME &ft, unsigned &ns100)
+{
+  const UInt64 v = NWindows::NTime::UnixTime64_To_FileTime64(ts.tv_sec) + ((UInt64)ts.tv_nsec / 100);
+  ns100 = (unsigned)((UInt64)ts.tv_nsec % 100);
+  ft.dwLowDateTime = (DWORD)v;
+  ft.dwHighDateTime = (DWORD)(v >> 32);
+}
+
+void FiTime_To_FILETIME(const CFiTime &ts, FILETIME &ft)
+{
+  const UInt64 v = NWindows::NTime::UnixTime64_To_FileTime64(ts.tv_sec) + ((UInt64)ts.tv_nsec / 100);
+  ft.dwLowDateTime = (DWORD)v;
+  ft.dwHighDateTime = (DWORD)(v >> 32);
+}
+
+#endif
diff --git a/CPP/Windows/TimeUtils.h b/CPP/Windows/TimeUtils.h
index d1d8c15..60ee739 100644
--- a/CPP/Windows/TimeUtils.h
+++ b/CPP/Windows/TimeUtils.h
@@ -5,28 +5,142 @@
 
 #include "../Common/MyTypes.h"
 #include "../Common/MyWindows.h"
+#include "PropVariant.h"
+
+inline UInt64 FILETIME_To_UInt64(const FILETIME &ft)
+{
+  return (((UInt64)ft.dwHighDateTime) << 32) + ft.dwLowDateTime;
+}
+
+inline void FILETIME_Clear(FILETIME &ft)
+{
+  ft.dwLowDateTime = 0;
+  ft.dwHighDateTime = 0;
+}
+
+inline bool FILETIME_IsZero(const FILETIME &ft)
+{
+  return (ft.dwHighDateTime == 0 && ft.dwLowDateTime == 0);
+}
+
+
+#ifdef _WIN32
+  #define CFiTime FILETIME
+  #define Compare_FiTime ::CompareFileTime
+  inline void FiTime_To_FILETIME(const CFiTime &ts, FILETIME &ft)
+  {
+    ft = ts;
+  }
+  /*
+  inline void FILETIME_To_FiTime(const FILETIME &ft, CFiTime &ts)
+  {
+    ts = ft;
+  }
+  */
+  inline void FiTime_Clear(CFiTime &ft)
+  {
+    ft.dwLowDateTime = 0;
+    ft.dwHighDateTime = 0;
+  }
+#else
+
+  #include <sys/stat.h>
+
+ #if defined(_AIX)
+   #define CFiTime st_timespec
+ #else
+   #define CFiTime timespec
+ #endif
+  int Compare_FiTime(const CFiTime *a1, const CFiTime *a2);
+  bool FILETIME_To_timespec(const FILETIME &ft, CFiTime &ts);
+  void FiTime_To_FILETIME(const CFiTime &ts, FILETIME &ft);
+  void FiTime_To_FILETIME_ns100(const CFiTime &ts, FILETIME &ft, unsigned &ns100);
+  inline void FiTime_Clear(CFiTime &ft)
+  {
+    ft.tv_sec = 0;
+    ft.tv_nsec = 0;
+  }
+
+ #ifdef __APPLE__
+  #define ST_MTIME(st) st.st_mtimespec
+  #define ST_ATIME(st) st.st_atimespec
+  #define ST_CTIME(st) st.st_ctimespec
+ #else
+  #define ST_MTIME(st) st.st_mtim
+  #define ST_ATIME(st) st.st_atim
+  #define ST_CTIME(st) st.st_ctim
+ #endif
+
+#endif
+
+// void FiTime_Normalize_With_Prec(CFiTime &ft, unsigned prec);
 
 namespace NWindows {
 namespace NTime {
 
-bool DosTimeToFileTime(UInt32 dosTime, FILETIME &fileTime) throw();
-bool FileTimeToDosTime(const FILETIME &fileTime, UInt32 &dosTime) throw();
+bool DosTime_To_FileTime(UInt32 dosTime, FILETIME &fileTime) throw();
+bool UtcFileTime_To_LocalDosTime(const FILETIME &utc, UInt32 &dosTime) throw();
+bool FileTime_To_DosTime(const FILETIME &fileTime, UInt32 &dosTime) throw();
 
 // UInt32 Unix Time : for dates 1970-2106
-UInt64 UnixTimeToFileTime64(UInt32 unixTime) throw();
-void UnixTimeToFileTime(UInt32 unixTime, FILETIME &fileTime) throw();
+UInt64 UnixTime_To_FileTime64(UInt32 unixTime) throw();
+void UnixTime_To_FileTime(UInt32 unixTime, FILETIME &fileTime) throw();
 
 // Int64 Unix Time : negative values for dates before 1970
-UInt64 UnixTime64ToFileTime64(Int64 unixTime) throw();
-bool UnixTime64ToFileTime(Int64 unixTime, FILETIME &fileTime) throw();
+UInt64 UnixTime64_To_FileTime64(Int64 unixTime) throw(); // no check
+bool UnixTime64_To_FileTime64(Int64 unixTime, UInt64 &fileTime) throw();
+bool UnixTime64_To_FileTime(Int64 unixTime, FILETIME &fileTime) throw();
 
-bool FileTimeToUnixTime(const FILETIME &fileTime, UInt32 &unixTime) throw();
-Int64 FileTimeToUnixTime64(const FILETIME &ft) throw();
+Int64 FileTime64_To_UnixTime64(UInt64 ft64) throw();
+bool FileTime_To_UnixTime(const FILETIME &fileTime, UInt32 &unixTime) throw();
+Int64 FileTime_To_UnixTime64(const FILETIME &ft) throw();
+Int64 FileTime_To_UnixTime64_and_Quantums(const FILETIME &ft, UInt32 &quantums) throw();
 
 bool GetSecondsSince1601(unsigned year, unsigned month, unsigned day,
   unsigned hour, unsigned min, unsigned sec, UInt64 &resSeconds) throw();
+
+void GetCurUtc_FiTime(CFiTime &ft) throw();
+#ifdef _WIN32
+#define GetCurUtcFileTime GetCurUtc_FiTime
+#else
 void GetCurUtcFileTime(FILETIME &ft) throw();
+#endif
 
 }}
 
+inline void PropVariant_SetFrom_UnixTime(NWindows::NCOM::CPropVariant &prop, UInt32 unixTime)
+{
+  FILETIME ft;
+  NWindows::NTime::UnixTime_To_FileTime(unixTime, ft);
+  prop.SetAsTimeFrom_FT_Prec(ft, k_PropVar_TimePrec_Unix);
+}
+
+inline void PropVariant_SetFrom_NtfsTime(NWindows::NCOM::CPropVariant &prop, const FILETIME &ft)
+{
+  prop.SetAsTimeFrom_FT_Prec(ft, k_PropVar_TimePrec_100ns);
+}
+
+inline void PropVariant_SetFrom_FiTime(NWindows::NCOM::CPropVariant &prop, const CFiTime &fts)
+{
+ #ifdef _WIN32
+  PropVariant_SetFrom_NtfsTime(prop, fts);
+ #else
+  unsigned ns100;
+  FILETIME ft;
+  FiTime_To_FILETIME_ns100(fts, ft, ns100);
+  prop.SetAsTimeFrom_FT_Prec_Ns100(ft, k_PropVar_TimePrec_1ns, ns100);
+ #endif
+}
+
+inline bool PropVariant_SetFrom_DosTime(NWindows::NCOM::CPropVariant &prop, UInt32 dosTime)
+{
+  FILETIME localFileTime, utc;
+  if (!NWindows::NTime::DosTime_To_FileTime(dosTime, localFileTime))
+    return false;
+  if (!LocalFileTimeToFileTime(&localFileTime, &utc))
+    return false;
+  prop.SetAsTimeFrom_FT_Prec(utc, k_PropVar_TimePrec_DOS);
+  return true;
+}
+
 #endif