chore: initial commit (extracted from Launchers monorepo)

Plugin: ns7zip v2.0.0 Architectures: x86-ansi, x86-unicode, amd64-unicode License: LGPL-2.1-or-later
2026-04-29 14:07:51 +02:00
commit d074cc7c07
3848 changed files with 1076682 additions and 0 deletions
@@ -0,0 +1,954 @@
+// Windows/FileIO.cpp
+
+#include "StdAfx.h"
+
+#ifdef Z7_DEVICE_FILE
+#include "../../C/Alloc.h"
+#endif
+
+// #include <stdio.h>
+
+/*
+#ifndef _WIN32
+// for ioctl BLKGETSIZE64
+#include <sys/ioctl.h>
+#include <linux/fs.h>
+#endif
+*/
+
+#include "FileIO.h"
+#include "FileName.h"
+
+HRESULT GetLastError_noZero_HRESULT()
+{
+  const DWORD res = ::GetLastError();
+  if (res == 0)
+    return E_FAIL;
+  return HRESULT_FROM_WIN32(res);
+}
+
+#ifdef _WIN32
+
+#ifndef _UNICODE
+extern bool g_IsNT;
+#endif
+
+using namespace NWindows;
+using namespace NFile;
+using namespace NName;
+
+namespace NWindows {
+namespace NFile {
+
+#ifdef Z7_DEVICE_FILE
+
+namespace NSystem
+{
+bool MyGetDiskFreeSpace(CFSTR rootPath, UInt64 &clusterSize, UInt64 &totalSize, UInt64 &freeSize);
+}
+#endif
+
+namespace NIO {
+
+/*
+WinXP-64 CreateFile():
+  ""             -  ERROR_PATH_NOT_FOUND
+  :stream        -  OK
+  .:stream       -  ERROR_PATH_NOT_FOUND
+  .\:stream      -  OK
+  
+  folder\:stream -  ERROR_INVALID_NAME
+  folder:stream  -  OK
+
+  c:\:stream     -  OK
+
+  c::stream      -  ERROR_INVALID_NAME, if current dir is NOT ROOT ( c:\dir1 )
+  c::stream      -  OK,                 if current dir is ROOT     ( c:\ )
+*/
+
+bool CFileBase::Create(CFSTR path, DWORD desiredAccess,
+    DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes)
+{
+  if (!Close())
+    return false;
+
+  #ifdef Z7_DEVICE_FILE
+  IsDeviceFile = false;
+  #endif
+
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    _handle = ::CreateFile(fs2fas(path), desiredAccess, shareMode,
+        (LPSECURITY_ATTRIBUTES)NULL, creationDisposition, flagsAndAttributes, (HANDLE)NULL);
+  }
+  else
+  #endif
+  {
+    IF_USE_MAIN_PATH
+      _handle = ::CreateFileW(fs2us(path), desiredAccess, shareMode,
+        (LPSECURITY_ATTRIBUTES)NULL, creationDisposition, flagsAndAttributes, (HANDLE)NULL);
+    #ifdef Z7_LONG_PATH
+    if (_handle == INVALID_HANDLE_VALUE && USE_SUPER_PATH)
+    {
+      UString superPath;
+      if (GetSuperPath(path, superPath, USE_MAIN_PATH))
+        _handle = ::CreateFileW(superPath, desiredAccess, shareMode,
+            (LPSECURITY_ATTRIBUTES)NULL, creationDisposition, flagsAndAttributes, (HANDLE)NULL);
+    }
+    #endif
+  }
+  
+  /*
+  #ifndef UNDER_CE
+  #ifndef Z7_SFX
+  if (_handle == INVALID_HANDLE_VALUE)
+  {
+    // it's debug hack to open symbolic links in Windows XP and WSL links in Windows 10
+    DWORD lastError = GetLastError();
+    if (lastError == ERROR_CANT_ACCESS_FILE)
+    {
+      CByteBuffer buf;
+      if (NIO::GetReparseData(path, buf, NULL))
+      {
+        CReparseAttr attr;
+        if (attr.Parse(buf, buf.Size()))
+        {
+          FString dirPrefix, fileName;
+          if (NDir::GetFullPathAndSplit(path, dirPrefix, fileName))
+          {
+            FString fullPath;
+            if (GetFullPath(dirPrefix, us2fs(attr.GetPath()), fullPath))
+            {
+              // FIX IT: recursion levels must be restricted
+              return Create(fullPath, desiredAccess,
+                shareMode, creationDisposition, flagsAndAttributes);
+            }
+          }
+        }
+      }
+      SetLastError(lastError);
+    }
+  }
+  #endif
+  #endif
+  */
+
+  return (_handle != INVALID_HANDLE_VALUE);
+}
+
+bool CFileBase::Close() throw()
+{
+  if (_handle == INVALID_HANDLE_VALUE)
+    return true;
+#if 0
+  if (!IsStdStream)
+#endif
+  {
+    if (!::CloseHandle(_handle))
+      return false;
+  }
+#if 0
+  IsStdStream = false;
+  IsStdPipeStream = false;
+#endif
+  _handle = INVALID_HANDLE_VALUE;
+  return true;
+}
+
+bool CFileBase::GetLength(UInt64 &length) const throw()
+{
+  #ifdef Z7_DEVICE_FILE
+  if (IsDeviceFile && SizeDefined)
+  {
+    length = Size;
+    return true;
+  }
+  #endif
+
+  DWORD high = 0;
+  const DWORD low = ::GetFileSize(_handle, &high);
+  if (low == INVALID_FILE_SIZE)
+    if (::GetLastError() != NO_ERROR)
+      return false;
+  length = (((UInt64)high) << 32) + low;
+  return true;
+
+  /*
+  LARGE_INTEGER fileSize;
+  // GetFileSizeEx() is unsupported in 98/ME/NT, and supported in Win2000+
+  if (!GetFileSizeEx(_handle, &fileSize))
+    return false;
+  length = (UInt64)fileSize.QuadPart;
+  return true;
+  */
+}
+
+
+/* Specification for SetFilePointer():
+   
+   If a new file pointer is a negative value,
+   {
+     the function fails,
+     the file pointer is not moved,
+     the code returned by GetLastError() is ERROR_NEGATIVE_SEEK.
+   }
+
+   If the hFile handle is opened with the FILE_FLAG_NO_BUFFERING flag set
+   {
+     an application can move the file pointer only to sector-aligned positions.
+     A sector-aligned position is a position that is a whole number multiple of
+     the volume sector size.
+     An application can obtain a volume sector size by calling the GetDiskFreeSpace.
+   }
+
+   It is not an error to set a file pointer to a position beyond the end of the file.
+   The size of the file does not increase until you call the SetEndOfFile, WriteFile, or WriteFileEx function.
+
+   If the return value is INVALID_SET_FILE_POINTER and if lpDistanceToMoveHigh is non-NULL,
+   an application must call GetLastError to determine whether or not the function has succeeded or failed.
+*/
+
+bool CFileBase::GetPosition(UInt64 &position) const throw()
+{
+  LONG high = 0;
+  const DWORD low = ::SetFilePointer(_handle, 0, &high, FILE_CURRENT);
+  if (low == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR)
+  {
+    // for error case we can set (position)  to (-1) or (0) or leave (position) unchanged.
+    // position = (UInt64)(Int64)-1; // for debug
+    position = 0;
+    return false;
+  }
+  position = (((UInt64)(UInt32)high) << 32) + low;
+  return true;
+  // we don't want recursed GetPosition()
+  // return Seek(0, FILE_CURRENT, position);
+}
+
+bool CFileBase::Seek(Int64 distanceToMove, DWORD moveMethod, UInt64 &newPosition) const throw()
+{
+  #ifdef Z7_DEVICE_FILE
+  if (IsDeviceFile && SizeDefined && moveMethod == FILE_END)
+  {
+    distanceToMove += Size;
+    moveMethod = FILE_BEGIN;
+  }
+  #endif
+
+  LONG high = (LONG)(distanceToMove >> 32);
+  const DWORD low = ::SetFilePointer(_handle, (LONG)(distanceToMove & 0xFFFFFFFF), &high, moveMethod);
+  if (low == INVALID_SET_FILE_POINTER)
+  {
+    const DWORD lastError = ::GetLastError();
+    if (lastError != NO_ERROR)
+    {
+      // 21.07: we set (newPosition) to real position even after error.
+      GetPosition(newPosition);
+      SetLastError(lastError); // restore LastError
+      return false;
+    }
+  }
+  newPosition = (((UInt64)(UInt32)high) << 32) + low;
+  return true;
+}
+
+bool CFileBase::Seek(UInt64 position, UInt64 &newPosition) const throw()
+{
+  return Seek((Int64)position, FILE_BEGIN, newPosition);
+}
+
+bool CFileBase::SeekToBegin() const throw()
+{
+  UInt64 newPosition = 0;
+  return Seek(0, newPosition) && (newPosition == 0);
+}
+
+bool CFileBase::SeekToEnd(UInt64 &newPosition) const throw()
+{
+  return Seek(0, FILE_END, newPosition);
+}
+
+// ---------- CInFile ---------
+
+#ifdef Z7_DEVICE_FILE
+
+void CInFile::CorrectDeviceSize()
+{
+  // maybe we must decrease kClusterSize to 1 << 12, if we want correct size at tail
+  const UInt32 kClusterSize = 1 << 14;
+  UInt64 pos = Size & ~(UInt64)(kClusterSize - 1);
+  UInt64 realNewPosition;
+  if (!Seek(pos, realNewPosition))
+    return;
+  Byte *buf = (Byte *)MidAlloc(kClusterSize);
+
+  bool needbackward = true;
+
+  for (;;)
+  {
+    UInt32 processed = 0;
+    // up test is slow for "PhysicalDrive".
+    // processed size for latest block for "PhysicalDrive0" is 0.
+    if (!Read1(buf, kClusterSize, processed))
+      break;
+    if (processed == 0)
+      break;
+    needbackward = false;
+    Size = pos + processed;
+    if (processed != kClusterSize)
+      break;
+    pos += kClusterSize;
+  }
+
+  if (needbackward && pos != 0)
+  {
+    pos -= kClusterSize;
+    for (;;)
+    {
+      // break;
+      if (!Seek(pos, realNewPosition))
+        break;
+      if (!buf)
+      {
+        buf = (Byte *)MidAlloc(kClusterSize);
+        if (!buf)
+          break;
+      }
+      UInt32 processed = 0;
+      // that code doesn't work for "PhysicalDrive0"
+      if (!Read1(buf, kClusterSize, processed))
+        break;
+      if (processed != 0)
+      {
+        Size = pos + processed;
+        break;
+      }
+      if (pos == 0)
+        break;
+      pos -= kClusterSize;
+    }
+  }
+  MidFree(buf);
+}
+
+
+void CInFile::CalcDeviceSize(CFSTR s)
+{
+  SizeDefined = false;
+  Size = 0;
+  if (_handle == INVALID_HANDLE_VALUE || !IsDeviceFile)
+    return;
+  #ifdef UNDER_CE
+
+  SizeDefined = true;
+  Size = 128 << 20;
+  
+  #else
+  
+  PARTITION_INFORMATION partInfo;
+  bool needCorrectSize = true;
+
+  /*
+    WinXP 64-bit:
+
+    HDD \\.\PhysicalDrive0 (MBR):
+      GetPartitionInfo == GeometryEx :  corrrect size? (includes tail)
+      Geometry   :  smaller than GeometryEx (no tail, maybe correct too?)
+      MyGetDiskFreeSpace : FAIL
+      Size correction is slow and block size (kClusterSize) must be small?
+
+    HDD partition \\.\N: (NTFS):
+      MyGetDiskFreeSpace   :  Size of NTFS clusters. Same size can be calculated after correction
+      GetPartitionInfo     :  size of partition data: NTFS clusters + TAIL; TAIL contains extra empty sectors and copy of first sector of NTFS
+      Geometry / CdRomGeometry / GeometryEx :  size of HDD (not that partition)
+
+    CD-ROM drive (ISO):
+      MyGetDiskFreeSpace   :  correct size. Same size can be calculated after correction
+      Geometry == CdRomGeometry  :  smaller than corrrect size
+      GetPartitionInfo == GeometryEx :  larger than corrrect size
+
+    Floppy \\.\a: (FAT):
+      Geometry :  correct size.
+      CdRomGeometry / GeometryEx / GetPartitionInfo / MyGetDiskFreeSpace - FAIL
+      correction works OK for FAT.
+      correction works OK for non-FAT, if kClusterSize = 512.
+  */
+
+  if (GetPartitionInfo(&partInfo))
+  {
+    Size = (UInt64)partInfo.PartitionLength.QuadPart;
+    SizeDefined = true;
+    needCorrectSize = false;
+    if ((s)[0] == '\\' && (s)[1] == '\\' && (s)[2] == '.' && (s)[3] == '\\' && (s)[5] == ':' && (s)[6] == 0)
+    {
+      FChar path[4] = { s[4], ':', '\\', 0 };
+      UInt64 clusterSize, totalSize, freeSize;
+      if (NSystem::MyGetDiskFreeSpace(path, clusterSize, totalSize, freeSize))
+        Size = totalSize;
+      else
+        needCorrectSize = true;
+    }
+  }
+  
+  if (!SizeDefined)
+  {
+    my_DISK_GEOMETRY_EX geomEx;
+    SizeDefined = GetGeometryEx(&geomEx);
+    if (SizeDefined)
+      Size = (UInt64)geomEx.DiskSize.QuadPart;
+    else
+    {
+      DISK_GEOMETRY geom;
+      SizeDefined = GetGeometry(&geom);
+      if (!SizeDefined)
+        SizeDefined = GetCdRomGeometry(&geom);
+      if (SizeDefined)
+        Size = (UInt64)geom.Cylinders.QuadPart * geom.TracksPerCylinder * geom.SectorsPerTrack * geom.BytesPerSector;
+    }
+  }
+  
+  if (needCorrectSize && SizeDefined && Size != 0)
+  {
+    CorrectDeviceSize();
+    SeekToBegin();
+  }
+
+  // SeekToBegin();
+  #endif
+}
+
+// ((desiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA | GENERIC_WRITE)) == 0 &&
+
+#define MY_DEVICE_EXTRA_CODE \
+  IsDeviceFile = IsDevicePath(fileName); \
+  CalcDeviceSize(fileName);
+#else
+#define MY_DEVICE_EXTRA_CODE
+#endif
+
+bool CInFile::Open(CFSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes)
+{
+  DWORD desiredAccess = GENERIC_READ;
+  
+  #ifdef _WIN32
+  if (PreserveATime)
+    desiredAccess |= FILE_WRITE_ATTRIBUTES;
+  #endif
+  
+  bool res = Create(fileName, desiredAccess, shareMode, creationDisposition, flagsAndAttributes);
+
+  #ifdef _WIN32
+  if (res && PreserveATime)
+  {
+    FILETIME ft;
+    ft.dwHighDateTime = ft.dwLowDateTime = 0xFFFFFFFF;
+    ::SetFileTime(_handle, NULL, &ft, NULL);
+  }
+  #endif
+
+  MY_DEVICE_EXTRA_CODE
+  return res;
+}
+
+bool CInFile::OpenShared(CFSTR fileName, bool shareForWrite)
+{ return Open(fileName, FILE_SHARE_READ | (shareForWrite ? FILE_SHARE_WRITE : 0), OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL); }
+
+bool CInFile::Open(CFSTR fileName)
+  { return OpenShared(fileName, false); }
+
+// ReadFile and WriteFile functions in Windows have BUG:
+// If you Read or Write 64MB or more (probably min_failure_size = 64MB - 32KB + 1)
+// from/to Network file, it returns ERROR_NO_SYSTEM_RESOURCES
+// (Insufficient system resources exist to complete the requested service).
+
+// Probably in some version of Windows there are problems with other sizes:
+// for 32 MB (maybe also for 16 MB).
+// And message can be "Network connection was lost"
+
+static const UInt32 kChunkSizeMax = 1 << 22;
+
+bool CInFile::Read1(void *data, UInt32 size, UInt32 &processedSize) throw()
+{
+  DWORD processedLoc = 0;
+  const bool res = BOOLToBool(::ReadFile(_handle, data, size, &processedLoc, NULL));
+  processedSize = (UInt32)processedLoc;
+  return res;
+}
+
+bool CInFile::ReadPart(void *data, UInt32 size, UInt32 &processedSize) throw()
+{
+#if 0
+  const UInt32 chunkSizeMax = (0 || IsStdStream) ? (1 << 20) : kChunkSizeMax;
+  if (size > chunkSizeMax)
+      size = chunkSizeMax;
+#else
+  if (size > kChunkSizeMax)
+      size = kChunkSizeMax;
+#endif
+  return Read1(data, size, processedSize);
+}
+
+bool CInFile::Read(void *data, UInt32 size, UInt32 &processedSize) throw()
+{
+  processedSize = 0;
+  do
+  {
+    UInt32 processedLoc = 0;
+    const bool res = ReadPart(data, size, processedLoc);
+    processedSize += processedLoc;
+    if (!res)
+      return false;
+    if (processedLoc == 0)
+      return true;
+    data = (void *)((Byte *)data + processedLoc);
+    size -= processedLoc;
+  }
+  while (size);
+  return true;
+}
+
+bool CInFile::ReadFull(void *data, size_t size, size_t &processedSize) throw()
+{
+  processedSize = 0;
+  do
+  {
+    UInt32 processedLoc = 0;
+    const UInt32 sizeLoc = (size > kChunkSizeMax ? (UInt32)kChunkSizeMax : (UInt32)size);
+    const bool res = Read1(data, sizeLoc, processedLoc);
+    processedSize += processedLoc;
+    if (!res)
+      return false;
+    if (processedLoc == 0)
+      return true;
+    data = (void *)((Byte *)data + processedLoc);
+    size -= processedLoc;
+  }
+  while (size);
+  return true;
+}
+
+// ---------- COutFile ---------
+
+bool COutFile::Open(CFSTR fileName, DWORD shareMode, DWORD creationDisposition, DWORD flagsAndAttributes)
+  { return CFileBase::Create(fileName, GENERIC_WRITE, shareMode, creationDisposition, flagsAndAttributes); }
+
+bool COutFile::Open_Disposition(CFSTR fileName, DWORD creationDisposition)
+  { return Open(fileName, FILE_SHARE_READ, creationDisposition, FILE_ATTRIBUTE_NORMAL); }
+
+bool COutFile::Create_ALWAYS_with_Attribs(CFSTR fileName, DWORD flagsAndAttributes)
+  { return Open(fileName, FILE_SHARE_READ, CREATE_ALWAYS, flagsAndAttributes); }
+
+bool COutFile::SetTime(const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime) throw()
+  { return BOOLToBool(::SetFileTime(_handle, cTime, aTime, mTime)); }
+
+bool COutFile::SetMTime(const FILETIME *mTime) throw() {  return SetTime(NULL, NULL, mTime); }
+
+bool COutFile::WritePart(const void *data, UInt32 size, UInt32 &processedSize) throw()
+{
+  if (size > kChunkSizeMax)
+    size = kChunkSizeMax;
+  DWORD processedLoc = 0;
+  bool res = BOOLToBool(::WriteFile(_handle, data, size, &processedLoc, NULL));
+  processedSize = (UInt32)processedLoc;
+  return res;
+}
+
+bool COutFile::Write(const void *data, UInt32 size, UInt32 &processedSize) throw()
+{
+  processedSize = 0;
+  do
+  {
+    UInt32 processedLoc = 0;
+    const bool res = WritePart(data, size, processedLoc);
+    processedSize += processedLoc;
+    if (!res)
+      return false;
+    if (processedLoc == 0)
+      return true;
+    data = (const void *)((const Byte *)data + processedLoc);
+    size -= processedLoc;
+  }
+  while (size);
+  return true;
+}
+
+bool COutFile::WriteFull(const void *data, size_t size) throw()
+{
+  do
+  {
+    UInt32 processedLoc = 0;
+    const UInt32 sizeCur = (size > kChunkSizeMax ? kChunkSizeMax : (UInt32)size);
+    if (!WritePart(data, sizeCur, processedLoc))
+      return false;
+    if (processedLoc == 0)
+      return (size == 0);
+    data = (const void *)((const Byte *)data + processedLoc);
+    size -= processedLoc;
+  }
+  while (size);
+  return true;
+}
+
+bool COutFile::SetEndOfFile() throw() { return BOOLToBool(::SetEndOfFile(_handle)); }
+
+bool COutFile::SetLength(UInt64 length) throw()
+{
+  UInt64 newPosition;
+  if (!Seek(length, newPosition))
+    return false;
+  if (newPosition != length)
+    return false;
+  return SetEndOfFile();
+}
+
+bool COutFile::SetLength_KeepPosition(UInt64 length) throw()
+{
+  UInt64 currentPos = 0;
+  if (!GetPosition(currentPos))
+    return false;
+  DWORD lastError = 0;
+  const bool result = SetLength(length);
+  if (!result)
+    lastError = GetLastError();
+  UInt64 currentPos2;
+  const bool result2 = Seek(currentPos, currentPos2);
+  if (lastError != 0)
+    SetLastError(lastError);
+  return (result && result2);
+}
+
+}}}
+
+#else // _WIN32
+
+
+// POSIX
+
+#include <fcntl.h>
+#include <unistd.h>
+
+namespace NWindows {
+namespace NFile {
+
+namespace NDir {
+bool SetDirTime(CFSTR path, const CFiTime *cTime, const CFiTime *aTime, const CFiTime *mTime);
+}
+
+namespace NIO {
+
+bool CFileBase::OpenBinary(const char *name, int flags, mode_t mode)
+{
+  #ifdef O_BINARY
+  flags |= O_BINARY;
+  #endif
+
+  Close();
+  _handle = ::open(name, flags, mode);
+  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()
+{
+  if (_handle == -1)
+    return true;
+  if (close(_handle) != 0)
+    return false;
+  _handle = -1;
+  /*
+  IsDeviceFile = false;
+  SizeDefined = false;
+  */
+  return true;
+}
+
+bool CFileBase::GetLength(UInt64 &length) const
+{
+  length = 0;
+  // length = (UInt64)(Int64)-1; // for debug
+  const off_t curPos = seekToCur();
+  if (curPos == -1)
+    return false;
+  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);
+  // return res;
+}
+
+off_t CFileBase::seekToBegin() const throw()
+{
+  return seek(0, SEEK_SET);
+}
+
+off_t CFileBase::seekToCur() const throw()
+{
+  return seek(0, SEEK_CUR);
+}
+
+/*
+bool CFileBase::SeekToBegin() const throw()
+{
+  return (::seek(0, SEEK_SET) != -1);
+}
+*/
+
+
+/////////////////////////
+// CInFile
+
+bool CInFile::Open(const char *name)
+{
+  return CFileBase::OpenBinary(name, O_RDONLY);
+}
+
+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
+0x7ffff000 = (2GiB - 4 KiB) bytes, returning the number of bytes actually transferred.
+*/
+
+static const size_t kChunkSizeMax = ((size_t)1 << 22);
+
+ssize_t CInFile::read_part(void *data, size_t size) throw()
+{
+  if (size > kChunkSizeMax)
+    size = kChunkSizeMax;
+  return ::read(_handle, data, size);
+}
+
+bool CInFile::ReadFull(void *data, size_t size, size_t &processed) throw()
+{
+  processed = 0;
+  do
+  {
+    const ssize_t res = read_part(data, size);
+    if (res < 0)
+      return false;
+    if (res == 0)
+      break;
+    data = (void *)((Byte *)data + (size_t)res);
+    processed += (size_t)res;
+    size -= (size_t)res;
+  }
+  while (size);
+  return true;
+}
+
+
+/////////////////////////
+// COutFile
+
+bool COutFile::OpenBinary_forWrite_oflag(const char *name, int oflag)
+{
+  Path = name; // change it : set it only if open is success.
+  return OpenBinary(name, oflag, mode_for_Create);
+}
+
+
+/*
+  windows           exist  non-exist  posix
+  CREATE_NEW        Fail   Create     O_CREAT | O_EXCL
+  CREATE_ALWAYS     Trunc  Create     O_CREAT | O_TRUNC
+  OPEN_ALWAYS       Open   Create     O_CREAT
+  OPEN_EXISTING     Open   Fail       0
+  TRUNCATE_EXISTING Trunc  Fail       O_TRUNC ???
+
+  // O_CREAT = If the file exists, this flag has no effect except as noted under O_EXCL below.
+  // If O_CREAT and O_EXCL are set, open() shall fail if the file exists.
+  // O_TRUNC : If the file exists and the file is successfully opened, its length shall be truncated to 0.
+*/
+bool COutFile::Open_EXISTING(const char *name)
+  { return OpenBinary_forWrite_oflag(name, O_WRONLY); }
+bool COutFile::Create_ALWAYS(const char *name)
+  { return OpenBinary_forWrite_oflag(name, O_WRONLY | O_CREAT | O_TRUNC); }
+bool COutFile::Create_NEW(const char *name)
+  { return OpenBinary_forWrite_oflag(name, O_WRONLY | O_CREAT | O_EXCL);  }
+bool COutFile::Create_ALWAYS_or_Open_ALWAYS(const char *name, bool createAlways)
+{
+  return OpenBinary_forWrite_oflag(name,
+      createAlways ?
+        O_WRONLY | O_CREAT | O_TRUNC :
+        O_WRONLY | O_CREAT);
+}
+/*
+bool COutFile::Create_ALWAYS_or_NEW(const char *name, bool createAlways)
+{
+  return OpenBinary_forWrite_oflag(name,
+      createAlways ?
+        O_WRONLY | O_CREAT | O_TRUNC :
+        O_WRONLY | O_CREAT | O_EXCL);
+}
+bool COutFile::Open_Disposition(const char *name, DWORD creationDisposition)
+{
+  int flag;
+  switch (creationDisposition)
+  {
+    case CREATE_NEW:        flag = O_WRONLY | O_CREAT | O_EXCL;  break;
+    case CREATE_ALWAYS:     flag = O_WRONLY | O_CREAT | O_TRUNC;  break;
+    case OPEN_ALWAYS:       flag = O_WRONLY | O_CREAT;  break;
+    case OPEN_EXISTING:     flag = O_WRONLY;  break;
+    case TRUNCATE_EXISTING: flag = O_WRONLY | O_TRUNC; break;
+    default:
+      SetLastError(EINVAL);
+      return false;
+  }
+  return OpenBinary_forWrite_oflag(name, flag);
+}
+*/
+
+ssize_t COutFile::write_part(const void *data, size_t size) throw()
+{
+  if (size > kChunkSizeMax)
+    size = kChunkSizeMax;
+  return ::write(_handle, data, size);
+}
+
+ssize_t COutFile::write_full(const void *data, size_t size, size_t &processed) throw()
+{
+  processed = 0;
+  do
+  {
+    const ssize_t res = write_part(data, size);
+    if (res < 0)
+      return res;
+    if (res == 0)
+      break;
+    data = (const void *)((const Byte *)data + (size_t)res);
+    processed += (size_t)res;
+    size -= (size_t)res;
+  }
+  while (size);
+  return (ssize_t)processed;
+}
+
+bool COutFile::SetLength(UInt64 length) throw()
+{
+  const off_t len2 = (off_t)length;
+  if ((Int64)length != len2)
+  {
+    SetLastError(EFBIG);
+    return false;
+  }
+  // The value of the seek pointer shall not be modified by a call to ftruncate().
+  const int iret = ftruncate(_handle, len2);
+  return (iret == 0);
+}
+
+bool COutFile::Close()
+{
+  const bool res = CFileBase::Close();
+  if (!res)
+    return res;
+  if (CTime_defined || ATime_defined || MTime_defined)
+  {
+    /* bool res2 = */ NWindows::NFile::NDir::SetDirTime(Path,
+        CTime_defined ? &CTime : NULL,
+        ATime_defined ? &ATime : NULL,
+        MTime_defined ? &MTime : NULL);
+  }
+  return res;
+}
+
+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;
+
+  if (cTime) { CTime = *cTime; CTime_defined = true; } else CTime_defined = false;
+  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 CFiTime *mTime) throw()
+{
+  if (mTime) { MTime = *mTime; MTime_defined = true; } else MTime_defined = false;
+  return true;
+}
+
+}}}
+
+
+#endif