standard c++ basic_fstream question

[Avner]

I have a C++ code which I want to upgrade to the standard C++

The code constructs a file and sets the file permission
The new iostream library does not include filebuf::openprot

The old ofstream constructor (<fstream.h>) accepts a third parameter (int
nProt = filebuf::openprot)

i.e. ofstream( const char* szName, int nMode = ios::out, int nProt =
filebuf::openprot );

but the standard ofstream constructor (<fstream>) does not accept the third
parameter anymore.
How do I preserve the functionality to set the file permission?

Thanks,
Avner

[Victor Bazarov]

Avner wrote:

I have a C++ code which I want to upgrade to the standard C++

The code constructs a file and sets the file permission
The new iostream library does not include filebuf::openprot

The old ofstream constructor (<fstream.h>) accepts a third parameter
(int nProt = filebuf::openprot)

i.e. ofstream( const char* szName, int nMode = ios::out, int nProt
= filebuf::openprot );

but the standard ofstream constructor (<fstream>) does not accept the
third parameter anymore.
How do I preserve the functionality to set the file permission?

You can't. It doesn't exist in the standard library. You need to
use platform-specific means of working with files.

V