Re: On recent windows fileno return -2 in case of closed stdin, stdout, stderr

[Bruno Haible]

Bastien,

> > So the workaround would have to be in a 'fileno' module.
> 
> I can but I do not know how to do. does -2 is a valid fd on windows ?

On Windows as well, valid file descriptor numbers are >= 0. All return
values of fileno that are < 0 can be considered as invalid. But since POSIX
says that only -1 can be used as return value of fileno that indicates an
error, a bit of gnulib code is necessary.

Bruno