Re: [PATCH][memory-mapped-files] Allow memory mapping files bigger thanMAX_INT

[felix . winkelmann]

> I hope I'm sending this to the right address, cc'ing Peter Bex
> because he's mentioned in the .egg definition.

Yes, this is the right place.

> The `memory-mapped-files` egg currently treats the `length` and
> `offset` parameters of `mmap` as integers which arbitrarily
> restricts mapable files to a size of MAX_INT bytes.
>
> By simply changing the type declaration in the `foreign-lambda`
> definitions we can allow basically arbitrarily big files to be
> mapped.
>
> Ultimately I'm looking to also patch the `simple-md5` egg to be
> able to hash arbitrarily big files. Currently it has the same
> restriction.
>
> Caveats:
>   1. I have no insight if this was a deliberate restriction that
>      works around some issue I'm not aware of.
>   2. I'm not able to test the code for any platform but linux.
>
>
> I have basically no experience with svn, I hope I got the patch
> format right, let me know if not.

That's perfect - thanks a lot, I will apply the patch. If you have more of
this, keep 'em coming.


cheers,
felix