Update POSIX compliance guide

[Eshan Dhawan]

I have also checked wordexp.h is completely present in newlib (libc/include)
the implementation of the functions wordexp.c and wordfree.c  is in
(libc/posix)
But the compliance status shows not supported.


On Sat, Mar 21, 2020 at 11:31 PM Joel Sherrill <joel at rtems.org> wrote:

>
>
>
> On Sat, Mar 21, 2020, 8:47 AM Eshan Dhawan <eshandhawan51 at gmail.com>
> wrote:
>
>> Hello everyone
>>
>> I went through the POSIX Compliance guide and it showed that
>> wcsncasecmp_l () was not supported in wchar.h
>> But when I checked newlib it had been implemented in libc/string
>> so I think it needs to be updated in the docs.
>>
>
> Thanks for spotting this. I did a spot check and think there were a few
> more wc* methods that were not in the spreadsheet. I am going to post a
> patch in a bit.  Please check it.
>
> Obviously, this is a csv file maintained externally in a spreadsheet. If
> you put it in a spreadsheet, you can turn on data filtering based on the
> top row. Then you can do "queries" to do things like filter down to what's
> in a single header file. Or what's required in one standard but not in
> another.
>
> FWIW this turned into a bit of a rat hole. I tried to double check the
> newlib git repo and the link on their website is wrong after the upgrade of
> sourceware.org. Then checked gdb and it had the same issue. This resulted
> in also reporting some leftover cleanup from the recent upgrade of
> sourceware.org.
>
>>
>> Thanks
>> Eshan
>>
>
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