Re: fileno(tmpfile()) returns EBADF

[Roland McGrath]

> Roland McGrath <roland@frob.com> writes:
> 
> > I think the Hurd libc implementation of tmpfile is at fault.
> > POSIX.1 says there must be a file descriptor.  Try this libc patch.
> 
> Why do it this way?  I would prefer having fileno generate the file
> descriptor, since most uses of tmpfile will probably not need one.

That was my first thought too.  But POSIX.1 says that tmpfile "shall
allocate a file descriptor as fopen does".