Re: Re: WIN32 errno patch

Tom has applied these changes to the CVS snapshot.  Can you try it and
let us know.

> One can't just #undef errno on windows because it is defined as follows:
> 
> 
>  #if defined(_MT) || defined(_DLL)
>  extern int * __cdecl _errno(void);
>  #define errno (*_errno())
>  #else /* ndef _MT && ndef _DLL */
>  extern int errno;
>  #endif /* _MT || _DLL */
> 
> So when building a dll or a multithreaded application it is not a plain 
> variable but call to the _errno() and after #undef errno one will lose 
> errno completely. For the same reason it is impossible to use something
> like 'errno=0;'.
> 
> Mikhail Terekhov
> 
> 
> Tom Lane wrote:
> > 
> > Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > > Any idea where we are on this?
> > 
> > I'm planning to #undef errno around the three routines that need to get
> > at plain errno.  Not done yet though...
> > 
> >                         regards, tom lane
> > 
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