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Date:	Mon, 31 Mar 2025 23:26:27 -0600
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Subject:	Re: acl man pages {and others?} (Was: symbolic link curiosity in
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From:	Brian Inglis via Cygwin <cygwin AT cygwin DOT com>
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On 2025-03-31 12:49, Corinna Vinschen via Cygwin wrote:
> On Mar 31 12:35, Brian Inglis via Cygwin wrote:
>> On 2025-03-29 13:08, Alejandro Colomar wrote:
>>> On Sat, Mar 29, 2025 at 07:45:27PM +0100, Alejandro Colomar wrote:
>>>> Hi Bruno,
>>>
>>> Oops, s/Bruno/Brian/  :)
>>>
>>>>
>>>> On Sat, Mar 29, 2025 at 12:28:52PM -0600, Brian Inglis wrote:
>>>>> On 2025-03-29 05:43, Bruno Haible via Cygwin wrote:
>>>>>> Regarding what acl_extended_file() does, there is the man page by
>>>>>> Andreas Grünbacher:
>>>>>> https://www.kernel.org/doc/man-pages/online/pages/man3/acl_extended_file.3.html
>>>>>> Gnulib is not the only user of acl_extended_file(); therefore I would
>>>>>> suggest that Cygwin should follow that man page — regardless of Gnulib.
>>>>>
>>>>> Hi Alex,
>>>>>
>>>>> I noticed that the online man-pages include the acl docs (above) but the
>>>>> distributed man-pages do not!
>>>>
>>>> These pages are distributed as part of the act package.  On Debian,
>>>> the package that provides these manual pages is 'libacl1-dev'.
>>>>
>>>> 	alx AT devuan:~$ apt-file find acl_extended_file.3
>>>> 	libacl1-dev: /usr/share/man/man3/acl_extended_file.3.gz
>>>>
>>>>> Would you please consider including the acl project man pages?
>>>>>
>>>>> 	https://git.savannah.nongnu.org/gitweb/?p=acl.git;a=tree;f=man
>>>>
>>>> I think it's better to keep them within the acl project, unless they
>>>> want us to take over.
>>
>> I would consider packaging libacl unless it is Linux dependent if there is
>> any Cygwin use case?
> 
> You can't do that.  Cygwin already provides most functions from libacl.
> Cygwin even provides the acl/libacl.h header.

Figures!

>> Otherwise, I would consider creating a new man-pages-extra package,
>> including libacl, and any other package man pages where the package is not
>> part of Cygwin, but the API is?
> 
> Sounds like a nice idea.
> 
>> These man pages are available at man7.org as part of what Michael Kerrisk
>> makes available online as part of Linux man pages:
>>
>> 	https://man7.org/linux/man-pages/dir_by_project.html
>>
>> Has anyone a feel if there are any other projects on that list whose man
>> pages would be useful under Cygwin even if the package itself is not
>> available, or even individual man pages where they are not currently
>> available?

> We have quite a few functions which might be only available on BSD systems,
> and we have these Solaris ACL functions which don't exist on Linux.  We
> probably can't use the man pages from Solaris due to copyright constraints,
> but the FreeBSD man pages should be ok.

The Solaris man pages were made available under the CDDL or PDL derived from 
MPL: we have Solaris 10 and OpenSolaris 2010 available on the freebsd.org site,
a well as most other OSes anyone might want: 520 of them, from 7th Edition, 
2.10BSD, 386BSD, thru 4.4Lite2, .

Space required for FreeBSD man pages is comparable to man-pages-linux - should 
we make all FreeBSD 15.0 current man pages available similar to man-pages-linux 
- man-pages-freebsd package and directory under /usr/share/man/ symlinked as 
freebsd for convenience with man -m|--systems SYSTEM,...?

Or should we stick to the original idea and package only selected missing man 
pages in the other sections of posix.xml as man-pages-extra?

> In terms of the POSIX.1e draft
> 17 ACL functions, the FreeBSD man pages (including acl.7) might be even
> better suited than the libacl man pages, with just minor deletions of
> non-existent functions.  And I'm going to add a few of the *_np functions
> only available on FreeBSD/NetBSD anyway...




-- 
Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada

La perfection est atteinte                   Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter  not when there is no more to add
mais lorsqu'il n'y a plus rien à retrancher  but when there is no more to cut
                                 -- Antoine de Saint-Exupéry

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