Web lists-archives.com

Re: Problematic interpretion of paths starting with double slashes




Greetings, Sven Eden!

>> Gesendet: Dienstag, 12. Juni 2018 um 18:28 Uhr
>> Von: "Brian Inglis" <Brian.Inglis@xxxxxxxxxxxxxxxxxx>
>> On 2018-06-12 07:14, Sven Eden wrote:
>> >> Gesendet: Dienstag, 12. Juni 2018 um 13:52 Uhr
>> >> Von: "Eric Blake" <eblake@xxxxxxxxxx>
>> >> Then fix your script to provide 3 slashes instead of 2. Only 2 slashes
>> >> has the magic UNC behavior.
>> > It is not my script. *my* scripts are portable by all means.
>> >> That is, if you have a script that is concatenating:
>> >> ${prefix}/${dir}
>> >> where ${prefix} might be empty, you can always rewrite it to be:
>> >> ${prefix}///${dir}
>> > The script was "fixed" from ${prefix}/${dir} a while ago. Before that the
>> > outcome was "///". Which is very bad style. Good style is to guarantee, that
>> > not more than one slash is issued.
>>
>> Which is equivalent to //localhost/ on Cygwin and elsewhere - / on Linux - this
>> is semantics not "style".

> I talked about replacing something wrong with something
> worse. That's style, not semantics. But I get what you are
> meaning. ;-)

If it is documented, it is not wrong.


> However, from my two questions, one was answered, and I can
> figure out the other just fine by myself.

> Q: Can the handling of // be extended to check for / if the
> first fails?
> A: Yes

Can? Yes. Purely technically. But for consistency it will not be.
Ambiguous paths are a big no-no.


-- 
With best regards,
Andrey Repin
Wednesday, June 13, 2018 15:48:59

Sorry for my terrible english...


--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple