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From: Dipak Gaigole <dipakgaigole AT gmail DOT com>
Date: Fri, 9 Dec 2016 12:54:07 +0530
Message-ID: <CADs2-=TS1x0cLjngCGMxHSEUpy5Wjkv7Xt_H8Sg5OP99nWLgFg@mail.gmail.com>
Subject: Re: Problem with chdir and GetCurrentDirectory on Windows 2016
To: cygwin AT cygwin DOT com
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> >>>>
> >>>> So in this situation, is it possible to get the cwd value as
> >>>> "/cygdrive/c/temp/appdir/bin" using some cygwin API?
> >>>
> >>> No, it is generally not possible to get the POSIX path to anything in
> >>> the cygwin root (/) tree to be prefixed by the /cygdrive prefix. The
> >>> /cygdrive prefix exists solely to resolve paths that are outside of /,
> >>> so paths inside that tree don't need the /cygdrive prefix.
> >>>
> >> This path is also displayed to the enduser at different places. So our
> >> requirement is to always get a path in the /cygdrive/ prefix format
> >> irrespective of whether it is inside the cygwin root (/) or outside of
> >> /.
>
> > I think this can be achieved by getcwd () +
> > cygwin_conv_path(CCP_POSIX_TO_WIN_A,...) and converting the windows
> > style path to /cygdrive/ prefix format.
>
> No, this is wrong approach.
> Do not do manual path manipulation, it WILL fail.
> Always use corrsponding conversion tools provided by Cygwin.

Agreed Andrey. But I couldn't find any API(s) which can serve my
requirements. And we can't afford to execute (fork+exec) tools like
cygpath for each getcwd call.
Any suggestions on improving this approach or any alternative approach
are always welcome.

Thanks,
Dipak

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