Re: [boost] [filesystem] Request for comments on proposedrelative()function

Subject: Re: [boost] [filesystem] Request for comments on proposedrelative()function
From: Peter Dimov (lists_at_[hidden])
Date: 2014-05-16 10:38:05

Yakov Galka wrote:
> On Fri, May 16, 2014 at 4:49 PM, Yakov Galka <ybungalobill_at_[hidden]> 
> wrote:
>
> > ...
> > Definition 2:
> > "c:" / x / "c:" = "c:" / x
> > "a:" / x / "c:" = "c:"             for a != c and no element of x is a
> > drive.
> > This is similar to what SetCurrentDirectory does, and implies that c:a/b
> > isn't absolute.
> >
>
> Actually the problem of this definition is that it cannot be associative 
> given the current Windows path syntax.

To support c:a, we need either to distinguish between "c:" and "c:/" as path 
elements, or posit that c:/ consists of { "c:", "/" }. The openat-based 
definition then becomes associative (using either), if I'm not mistaken. 
Although I very well could be, because did I mention the word madness in 
relation to all this? I forget.