Re: mkstemp() and fstream() with g++ 3.2.3/libstdc++-3.2.3 / WBL3.0

[Ulrich Eckhardt]

Robert Heller wrote:

> I need to create a unique temporary file and use it with C++ streams. 
> With older C++ libraries under Linux (RH 7.3/G++ 2.96/libstdc++-2.96),

http://gcc.gnu.org/gcc-2.96.html

> I could use mkstemp() to create and open file [...]

Was never standard, newer GCCs now finally moved this feature to an
extension namespace, see the docs (sorry, no, I do not have a link handy).

> So, how do I deal with this? 
> Not use C++ iostreams?  Write insecure code? Write my own fstream class
> that is layered on top of file descriptors (yech!).

You'd write a streambuffer, not a stream, both of which is trivial though
(assuming you know how to). Get "C++ IOStreams and Locales" from Langer
and Kreft if you want to know.

Uli

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