missing functions

Corinna Vinschen corinna-cygwin@cygwin.com
Mon May 14 13:45:00 GMT 2007

On May 14 09:17, Christopher Faylor wrote:
> On Mon, May 14, 2007 at 07:13:28AM -0600, Eric Blake wrote:
> >According to Christopher Faylor on 5/14/2007 6:53 AM:
> >>>Does cygwin care about providing reentrant versions of functions?
> >>>There is precedent for doing this: as an example, cygwin.din already
> >>>exports asprintf_r.
> >>
> >>That was probably one of many ill-conceived entries in cygwin.din,
> >>then.  If there is no POSIX or linux version of a function there is no
> >>reason to export it.
> >
> >Then here's the revised list of functions I still think are worth
> >exporting:
> >
> >_Exit asnprintf dprintf vasnprintf vdprintf
> >
> >And seeing as how Linux does not yet provide [v]asnprintf, here are my
> >arguments for exporting it:
> >
> >http://sourceware.org/ml/newlib/2007/msg00403.html
> >
> >In other words, there are several existing programs ported to cygwin
> >that would benefit from smaller size and slightly faster execution if
> >asnprintf were exposed as part of cygwin1.dll, and the size impact to
> >cygwin1.dll to provide this nice hook is much smaller than the impact
> >of implementing asnprintf in program space as a less efficient wrapper
> >around snprintf.
> As long as you're relatively certain that we're not going to have to
> stand on our heads to provide an alternative vasnprintf which has subtly
> different qualities at some point, the above list looks great to me.

Same here.  Eric, would you mind to delight us with a patch and
ChangeLog entry?


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

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