Re: Cygwin's writev() non-standard behavior

[Corinna Vinschen <corinna-cygwin at cygwin dot com>]

On Apr 23 17:48, qq qq wrote:
> > I applied a patch to CVS.
> 
> Thanks. ÂAlthough I could not see it in ViewVC -- the page stops loading at the "configure" script.
> 
> Anyhow, I suppose that check_iovec still returns EINVAL for count==0 in any read functions: Âsimply returning
> "tot"==0 means EOF in many (if not all) of them.

That's perfectly ok:

  If count is zero, read() may detect the errors described below.  In the
  absence of any errors, or if read() does not check for errors, a read()
  with a count of 0 returns zero and has no other effects.

This behaviour is also fine for readv.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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