/usr/include/dcmtk/ofstd/oftempf.h is in libdcmtk-dev 3.6.2-3build3.
This file is owned by root:root, with mode 0o644.
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*
* Copyright (C) 2011-2016, OFFIS e.V.
* All rights reserved. See COPYRIGHT file for details.
*
* This software and supporting documentation were developed by
*
* OFFIS e.V.
* R&D Division Health
* Escherweg 2
* D-26121 Oldenburg, Germany
*
*
* Module: ofstd
*
* Author: Uli Schlachter
*
* Purpose: Defines a class which manages a temporary file
*
*/
#ifndef OFTEMPF_H
#define OFTEMPF_H
#include "dcmtk/config/osconfig.h" /* make sure OS specific configuration is included first */
#include "dcmtk/ofstd/ofcond.h"
#include "dcmtk/ofstd/ofstring.h"
#include "dcmtk/ofstd/oftypes.h" /* for OFBool */
BEGIN_EXTERN_C
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h> /* for O_RDWR */
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h> /* needed on Solaris for O_RDWR */
#endif
END_EXTERN_C
/** this class manages the lifetime of a temporary file. The file will be
* created when needed and automatically be deleted by the destructor.
*/
class DCMTK_OFSTD_EXPORT OFTempFile
{
public:
/** default constructor, create a temporary file with a random name.
* The file will be automatically deleted.
* @param flags additional flags to pass to open() as its third argument.
* @param dir the directory in which the file should be created.
* The default is a directory suitable for temporary files.
* @param prefix this string is prepended to the name of the temporary file.
* @param postfix this string is appended to the name of the temporary file.
* @return EC_Normal if a file could be created.
* @see getStatus() to know if a file was successfully created
*/
OFTempFile(unsigned int flags = O_RDWR, const OFString& dir = "",
const OFString& prefix = "", const OFString& postfix = ".tmp");
/// destructor. Deletes the temporary file, if one was created
~OFTempFile();
/// gets the error status of this class. If this is bad, no file was created
OFCondition getStatus() const { return m_status; }
/** gets the filename of the temporary file. If no temporary file was
* created, this will return an empty string.
* @return filename of the temporary file
*/
const char *getFilename() const { return m_fileName.c_str(); }
/** gets the file descriptor of the temporary file. If no temporary file was
* created, this will return -1. The returned fd is still owned by
* this class and will be closed later.
* @return file descriptor for the temporary file
*/
int getFileHandle() const { return m_fileHandle; }
/** steals the created temporary file from this class. This means that the
* file won't be deleted. However, by default the file handle is closed.
* @param dontCloseHandle if true, the file handle is not closed.
*/
void stealFile(OFBool dontCloseHandle = OFFalse);
/** Create a new temporary file.
* @param fileName after this call, this will contain the name of the file
* that was created
* @param fd_out if not NULL, this will be set to a file descriptor for this
* file
* @param flags additional flags to pass to open() as its third argument
* @param dir the directory in which the file should be created.
* The default is a directory suitable for temporary files.
* @param prefix this string is prepended to the name of the temporary file.
* @param postfix this string is appended to the name of the temporary file.
* @return EC_Normal if a file could be created.
*/
static OFCondition createFile(OFString& fileName, int* fd_out = NULL,
unsigned int flags = O_RDWR, const OFString& dir = "",
const OFString& prefix = "", const OFString& postfix = ".tmp");
/** Return the system-specific path for storing temporary files.
* @param sPath will be set to the path on return.
*/
static void getTempPath(OFString& sPath);
private:
/// private undefined copy constructor
OFTempFile(const OFTempFile&);
/// private undefined assignment operator
OFTempFile& operator=(const OFTempFile&);
/// Status for this class, if EC_Normal then we are managing a temporary file
OFCondition m_status;
/// Path to the temporary file that we are managing, empty string if none
OFString m_fileName;
/// File handle for our file, -1 if we don't have any file
int m_fileHandle;
};
#endif
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