237 lines
6.5 KiB
C++
Executable File
237 lines
6.5 KiB
C++
Executable File
//
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// ATTROS2.CPP
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//
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// Source file for ArchiveLib 2.0
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//
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// Copyright (c) Greenleaf Software, Inc. 1994-1996
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// All Rights Reserved
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//
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// CONTENTS
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//
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// ALFile::ReadAttributesFromFileSys()
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// ALFile::WriteAttributesToFileSys()
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//
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// DESCRIPTION
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//
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// These two files provide system-dependent functionality for ALFile.
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// It takes different code to set the attributes for files depending
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// on which O/S you are targetting.
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//
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// REVISION HISTORY
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//
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// February 14, 1996 2.0A : New release
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#include "arclib.h"
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#if !defined( AL_IBM )
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#pragma hdrstop
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#endif
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#define INCL_DOSFILEMGR
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#include <os2.h>
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#include <io.h>
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#include <time.h>
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#include "filestor.h"
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#include "fileattr.h"
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//
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// NAME
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//
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// ALFile::ReadAttributesFromFileSys()
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//
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// PLATFORMS/ENVIRONMENTS
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//
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// OS/2
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// C++
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//
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// SHORT DESCRIPTION
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//
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// Read in the attributes of a file under OS/2.
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//
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// C++ SYNOPSIS
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//
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// #include "arclib.h"
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// #include "filestor.h"
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//
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// int ALFile::ReadAttributesFromFileSys();
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//
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// C SYNOPSIS
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//
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// None, this internal protected function has no C version.
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//
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// VB SYNOPSIS
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//
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// None, this internal protected function has no VB version.
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//
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// DELPHI SYNOPSIS
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//
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// None, this internal protected function has no Delphi version.
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//
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// ARGUMENTS
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//
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// None.
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//
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// DESCRIPTION
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//
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// When an ALFile object is opened, we have to read the file attributes.
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// This is an O/S dependent function, but I don't want to have too many
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// #ifdefs, so I package it in a separate directory that gets compiled
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// in an environment dependent fashion. This particular file gets
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// compiled for any library that's using the OS/2 file system.
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//
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// All this function has to do is call the DosQueryFileInfo() function,
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// then translate the returned bits into the appropriate internal attribute
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// bits. Note that we don't try to translate any extended bits beyond
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// those in DOS compatiblity mode. If there is extra stuff that goes with
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// the HPFS, for example, we aren't paying any attention to it.
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//
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// RETURNS
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//
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// AL_SUCCESS or AL_CANT_OPEN_FILE.
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//
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// EXAMPLE
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//
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// SEE ALSO
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//
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// REVISION HISTORY
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//
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// February 14, 1996 2.0A : New release.
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//
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int AL_PROTO
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ALFile::ReadAttributesFromFileSys() /* Tag protected function */
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{
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FILESTATUS3 InfoBuf;
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APIRET rc;
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rc = DosQueryFileInfo( miHandle,
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FIL_STANDARD,
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(PVOID) &InfoBuf,
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sizeof( InfoBuf ) );
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if ( rc != 0 )
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return mStatus.SetError( AL_CANT_OPEN_FILE,
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"Couldn't get file attribute "
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"information for %s. errno = %d.",
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mName.GetName(),
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rc );
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mAttributes.miUnixBitsPresent = 0;
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mAttributes.miReadOnly = ( InfoBuf.attrFile & FILE_READONLY ) != 0;
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mAttributes.miSystem = ( InfoBuf.attrFile & FILE_SYSTEM ) != 0;
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mAttributes.miHidden = ( InfoBuf.attrFile & FILE_HIDDEN ) != 0;
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mAttributes.miArchive = ( InfoBuf.attrFile & FILE_ARCHIVED ) != 0;
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return AL_SUCCESS;
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}
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//
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// NAME
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//
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// ALFile::WriteAttributesToFileSys()
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//
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// PLATFORMS/ENVIRONMENTS
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//
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// OS/2
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// C++
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//
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// SHORT DESCRIPTION
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//
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// Set the attributes of a file under OS/2.
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//
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// C++ SYNOPSIS
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//
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// #include "arclib.h"
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// #include "filestor.h"
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//
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// int ALFile::WriteAttributesToFileSys();
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//
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// C SYNOPSIS
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//
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// None, this internal protected function has no C version.
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//
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// VB SYNOPSIS
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//
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// None, this internal protected function has no VB version.
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//
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// DELPHI SYNOPSIS
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//
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// None, this internal protected function has no Delphi version.
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//
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// ARGUMENTS
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//
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// None.
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//
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// DESCRIPTION
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//
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// When an ALFile object is closed, we have to set the file attributes.
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// This is an O/S dependent function, but I don't want to have too many
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// #ifdefs, so I package it in a separate directory that gets compiled
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// in an environment dependent fashion. This particular file gets
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// compiled for any library that's using the OS/2 file system.
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//
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// This function calls DosSetPathInfo() to set both the time and date
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// stamp for the given file. This differs somewhat from the NT and
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// DOS versions of the function, which only set the attributes.
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//
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// RETURNS
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//
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// Nothing.
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//
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// EXAMPLE
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//
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// SEE ALSO
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//
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// REVISION HISTORY
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//
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// February 14, 1996 2.0A : New release.
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//
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void AL_PROTO
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ALFile::WriteAttributesToFileSys() /* Tag protected function */
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{
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FILESTATUS3 InfoBuf;
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DosQueryPathInfo( (PSZ)(char*)mName,
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FIL_STANDARD,
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(PVOID) &InfoBuf,
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sizeof( InfoBuf ) );
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if ( mAttributes.miReadOnly )
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InfoBuf.attrFile |= FILE_READONLY;
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else
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InfoBuf.attrFile &= ~FILE_READONLY;
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if ( mAttributes.miSystem )
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InfoBuf.attrFile |= FILE_SYSTEM;
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else
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InfoBuf.attrFile &= ~FILE_SYSTEM;
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if ( mAttributes.miHidden )
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InfoBuf.attrFile |= FILE_HIDDEN;
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else
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InfoBuf.attrFile &= ~FILE_HIDDEN;
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if ( mAttributes.miArchive )
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InfoBuf.attrFile |= FILE_ARCHIVED;
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else
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InfoBuf.attrFile &= ~FILE_ARCHIVED;
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struct tm tblock;
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mTimeDate.GetTimeDate( &tblock );
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InfoBuf.ftimeCreation.hours = tblock.tm_hour;
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InfoBuf.ftimeCreation.minutes = tblock.tm_min;
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InfoBuf.ftimeCreation.twosecs = tblock.tm_sec / 2;
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InfoBuf.ftimeLastAccess.hours = tblock.tm_hour;
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InfoBuf.ftimeLastAccess.minutes = tblock.tm_min;
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InfoBuf.ftimeLastAccess.twosecs = tblock.tm_sec / 2;
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InfoBuf.ftimeLastWrite.hours = tblock.tm_hour;
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InfoBuf.ftimeLastWrite.minutes = tblock.tm_min;
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InfoBuf.ftimeLastWrite.twosecs = tblock.tm_sec / 2;
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InfoBuf.fdateCreation.day = tblock.tm_mday;
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InfoBuf.fdateCreation.month = tblock.tm_mon + 1;
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InfoBuf.fdateCreation.year = tblock.tm_year + 1900 - 1980;
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InfoBuf.fdateLastAccess.day = tblock.tm_mday;
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InfoBuf.fdateLastAccess.month = tblock.tm_mon + 1;
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InfoBuf.fdateLastAccess.year = tblock.tm_year + 1900 - 1980;
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InfoBuf.fdateLastWrite.day = tblock.tm_mday;
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InfoBuf.fdateLastWrite.month = tblock.tm_mon + 1;
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InfoBuf.fdateLastWrite.year = tblock.tm_year + 1900 -1980;
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DosSetPathInfo( (PSZ)(char*)mName,
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FIL_STANDARD,
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(PVOID) &InfoBuf,
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sizeof( InfoBuf ),
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0L );
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}
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