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Re: [RFC] libstdc++/8399

In particular...

Loren James Rittle wrote:


I suppose I couldn't argue with this change to
ios_base::Init::_S_ios_create:

   int __in_size = __sync ? 1 : static_cast<int>(BUFSIZ);

->

#ifdef HAVE_ISATTY
   int __in_size = (__sync || isatty (0)) ? 1 : static_cast<int>(BUFSIZ);
#else
   int __in_size = 1;
#endif

isatty() is the only simple POSIX call I know to check whether
something is a terminal.  For systems that don't have the call, we'd
punt.


Sorry for being a little naive (not yet carried out real tests): what
happens when there is /piped/ input from the terminal??
(my original tests for 2211 where conducted like this)

Ciao again, Paolo.
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