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207 lines
8.2 KiB
C
207 lines
8.2 KiB
C
#ifndef QUA_ZIPNEWINFO_H
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#define QUA_ZIPNEWINFO_H
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/*
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Copyright (C) 2005-2014 Sergey A. Tachenov
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This file is part of QuaZIP.
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QuaZIP is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2.1 of the License, or
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(at your option) any later version.
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QuaZIP is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with QuaZIP. If not, see <http://www.gnu.org/licenses/>.
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See COPYING file for the full LGPL text.
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Original ZIP package is copyrighted by Gilles Vollant, see
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quazip/(un)zip.h files for details, basically it's zlib license.
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**/
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#include <QDateTime>
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#include <QFile>
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#include <QString>
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#include "quazip_global.h"
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#include "quazipfileinfo.h"
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/// Information about a file to be created.
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/** This structure holds information about a file to be created inside
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* ZIP archive. At least name should be set to something correct before
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* passing this structure to
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* QuaZipFile::open(OpenMode,const QuaZipNewInfo&,int,int,bool).
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*
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* Zip64 support of this structure is slightly limited: in the raw mode (when
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* a pre-compressed file is written into a ZIP file as-is), it is necessary
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* to specify the uncompressed file size and the appropriate field is 32 bit.
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* Since the raw mode is used extremely rare, there is no real need to have
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* a separate QuaZipNewInfo64 structure like QuaZipFileInfo64. It may be added
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* in the future though, if there is a demand for the raw mode with zip64
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* archives.
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**/
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struct QUAZIP_EXPORT QuaZipNewInfo {
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/// File name.
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/** This field holds file name inside archive, including path relative
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* to archive root.
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**/
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QString name;
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/// File timestamp.
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/** This is the last file modification date and time. Will be stored
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* in the archive central directory. It is a good practice to set it
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* to the source file timestamp instead of archive creating time. Use
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* setFileDateTime() or QuaZipNewInfo(const QString&, const QString&).
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**/
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QDateTime dateTime;
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/// File internal attributes.
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quint16 internalAttr;
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/// File external attributes.
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/**
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The highest 16 bits contain Unix file permissions and type (dir or
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file). The constructor QuaZipNewInfo(const QString&, const QString&)
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takes permissions from the provided file.
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*/
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quint32 externalAttr;
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/// File comment.
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/** Will be encoded using QuaZip::getCommentCodec().
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**/
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QString comment;
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/// File local extra field.
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QByteArray extraLocal;
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/// File global extra field.
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QByteArray extraGlobal;
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/// Uncompressed file size.
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/** This is only needed if you are using raw file zipping mode, i. e.
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* adding precompressed file in the zip archive.
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**/
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ulong uncompressedSize;
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/// Constructs QuaZipNewInfo instance.
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/** Initializes name with \a name, dateTime with current date and
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* time. Attributes are initialized with zeros, comment and extra
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* field with null values.
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**/
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QuaZipNewInfo(const QString& name);
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/// Constructs QuaZipNewInfo instance.
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/** Initializes name with \a name. Timestamp and permissions are taken
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* from the specified file. If the \a file does not exists or its timestamp
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* is inaccessible (e. g. you do not have read permission for the
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* directory file in), uses current time and zero permissions. Other attributes are
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* initialized with zeros, comment and extra field with null values.
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*
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* \sa setFileDateTime()
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**/
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QuaZipNewInfo(const QString& name, const QString& file);
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/// Initializes the new instance from existing file info.
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/** Mainly used when copying files between archives.
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*
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* Both extra fields are initialized to existing.extra.
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* @brief QuaZipNewInfo
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* @param existing
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*/
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QuaZipNewInfo(const QuaZipFileInfo &existing);
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/// Initializes the new instance from existing file info.
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/** Mainly used when copying files between archives.
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*
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* Both extra fields are initialized to existing.extra.
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* @brief QuaZipNewInfo
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* @param existing
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*/
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QuaZipNewInfo(const QuaZipFileInfo64 &existing);
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/// Sets the file timestamp from the existing file.
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/** Use this function to set the file timestamp from the existing
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* file. Use it like this:
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* \code
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* QuaZipFile zipFile(&zip);
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* QFile file("file-to-add");
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* file.open(QIODevice::ReadOnly);
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* QuaZipNewInfo info("file-name-in-archive");
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* info.setFileDateTime("file-to-add"); // take the timestamp from file
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* zipFile.open(QIODevice::WriteOnly, info);
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* \endcode
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*
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* This function does not change dateTime if some error occured (e. g.
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* file is inaccessible).
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**/
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void setFileDateTime(const QString& file);
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/// Sets the file permissions from the existing file.
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/**
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Takes permissions from the file and sets the high 16 bits of
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external attributes. Uses QFileInfo to get permissions on all
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platforms.
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*/
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void setFilePermissions(const QString &file);
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/// Sets the file permissions.
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/**
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Modifies the highest 16 bits of external attributes. The type part
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is set to dir if the name ends with a slash, and to regular file
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otherwise.
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*/
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void setPermissions(QFile::Permissions permissions);
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/// Sets the NTFS times from an existing file.
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/**
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* If the file doesn't exist, a warning is printed to the stderr and nothing
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* is done. Otherwise, all three times, as reported by
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* QFileInfo::lastModified(), QFileInfo::lastRead() and QFileInfo::created(),
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* are written to the NTFS extra field record.
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*
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* The NTFS record is written to
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* both the local and the global extra fields, updating the existing record
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* if there is one, or creating a new one and appending it to the end
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* of each extra field.
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*
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* The microseconds will be zero, as they aren't reported by QFileInfo.
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* @param fileName
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*/
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void setFileNTFSTimes(const QString &fileName);
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/// Sets the NTFS modification time.
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/**
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* The time is written into the NTFS record in
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* both the local and the global extra fields, updating the existing record
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* if there is one, or creating a new one and appending it to the end
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* of each extra field. When updating an existing record, all other fields
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* are left intact.
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* @param mTime The new modification time.
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* @param fineTicks The fractional part of milliseconds, in 100-nanosecond
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* ticks (i. e. 9999 ticks = 999.9 microsecond). Values greater than
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* 9999 will add milliseconds or even seconds, but this can be
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* confusing and therefore is discouraged.
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*/
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void setFileNTFSmTime(const QDateTime &mTime, int fineTicks = 0);
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/// Sets the NTFS access time.
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/**
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* The time is written into the NTFS record in
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* both the local and the global extra fields, updating the existing record
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* if there is one, or creating a new one and appending it to the end
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* of each extra field. When updating an existing record, all other fields
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* are left intact.
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* @param aTime The new access time.
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* @param fineTicks The fractional part of milliseconds, in 100-nanosecond
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* ticks (i. e. 9999 ticks = 999.9 microsecond). Values greater than
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* 9999 will add milliseconds or even seconds, but this can be
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* confusing and therefore is discouraged.
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*/
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void setFileNTFSaTime(const QDateTime &aTime, int fineTicks = 0);
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/// Sets the NTFS creation time.
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/**
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* The time is written into the NTFS record in
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* both the local and the global extra fields, updating the existing record
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* if there is one, or creating a new one and appending it to the end
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* of each extra field. When updating an existing record, all other fields
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* are left intact.
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* @param cTime The new creation time.
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* @param fineTicks The fractional part of milliseconds, in 100-nanosecond
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* ticks (i. e. 9999 ticks = 999.9 microsecond). Values greater than
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* 9999 will add milliseconds or even seconds, but this can be
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* confusing and therefore is discouraged.
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*/
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void setFileNTFScTime(const QDateTime &cTime, int fineTicks = 0);
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};
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#endif
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