[pg-cvs] Patch for Linux mremap

[Stelian Ionescu]

On Thu, 2009-08-06 at 14:56 +0900, John Fremlin wrote:
> Hi Stelian,
> 
> http://www.opengroup.org/onlinepubs/000095399/functions/mmap.html
>         
>         Existing implementations of mmap() return the value -1 when
>         unsuccessful. Since the casting of this value to type void *
>         cannot be guaranteed by the ISO C standard to be distinct from a
>         successful value, this volume of IEEE Std 1003.1-2001 defines
>         the symbol MAP_FAILED, which a conforming implementation does
>         not return as the result of a successful call.
> 
> I guess whoever wrote the mmap wrapper didn't read the manpage as it
> assumes 0 is the bad value. :-(
> 
> Here is a horrible hack for osicat. It should probably be changed to
> grovel for MAP_FAILED.

Done.

> [The bytemap project has had a correct(?) way of handling this for
> nearly a year (http://common-lisp.net/project/bytemap/) if anybody is
> interested in a tested cross-Lisp mmap.]

If you move the project repo into public_html/git/ it will be picked up
by gitweb at http://common-lisp.net/gitweb

-- 
Stelian Ionescu a.k.a. fe[nl]ix
Quidquid latine dictum sit, altum videtur.
http://common-lisp.net/project/iolib
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