closein using freadahead [was: yesno module consumes too much input]

[Eric Blake]

Bruno Haible <bruno <at> clisp.org> writes:

> Here is such a proposed patch.
> 
> 2007-08-19  Bruno Haible  <bruno <at> clisp.org>
> 
>       * modules/closein (Depends-on): Add freadahead.
>       * lib/closein.c: Include freadahead.h.
>       (close_stdin): Skip the fseeko and fflush calls if freadahead (stdin)
>       is zero.

Looks okay to me.  Please apply.

-- 
Eric Blake