Add realpath Prototype

[Corinna Vinschen]

On Nov 20 07:38, Joel Sherrill wrote:
> On 11/20/2013 3:46 AM, Corinna Vinschen wrote:
> > On Nov 19 12:42, Corinna Vinschen wrote:
> >> On Nov 18 13:32, Joel Sherrill wrote:
> >>> On 11/18/2013 12:33 PM, Yaakov (Cygwin/X) wrote:
> >>>> On 2013-11-18 12:24, Joel Sherrill wrote:
> >>>>> I added the realpath() prototype more or less where glibc 
> >>>>> has it in stdlib.h.
> >>>>> 
> >>>>> Also added restrict to Linux implementation.
> >>>>> 
> >>>>> Does this look ok to commit?
> >>>> 
> >>>> Your patch includes a duplicate declaration of qsort().
> >>> 
> >>> Fixed. Stupid cut and paste.
> >>> 
> >>>> Also, Cygwin provides its own prototype of realpath in its 
> >>>> own headers, so either that needs to be removed, or this 
> >>>> prototype placed in a !__CYGWIN__ block; I'll let Corinna 
> >>>> decide which she prefers.
> >>> 
> >>> Since this wasn't in newlib, I didn't know about it. I have 
> >>> been trusting grep. :)
> >>> 
> >>> Whatever Corinna wants to do, I am ok with.
> >> 
> >> Just apply your patch.  I'll remove the Cygwin definition 
> >> afterwards.
> > 
> > FYI, I moved the readline declaration into the following `#ifndef 
> > __STRICT_ANSI__' block, analogue to the old Cygwin-only 
> > declaration.
> .
> Thanks. The guards are tricky. glibc has
> 
> #if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
> 
> http://pubs.opengroup.org/onlinepubs/9699919799/functions/realpath.html
> marks it as XSI with no explicit macros that I am spotting.
> 
> Is that close enough?

I don't understand the question.  BSD and XOPEN don't correspond to
strict ANSI.


Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
Red Hat
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