The problem here is that Cygwin is not translating the Windows error
correctly. I have proposed a patch
<https://cygwin.com/ml/cygwin-patches/2015-q1/msg00046.html> upstream. The
reason you see hostname working in Cygwin seems because they switched to
another hostname implementation than coreutils.
2015-03-12 13:01 GMT-03:00 Qian Hong <[email protected]>:
> Hi David,
>
> On Thu, Mar 12, 2015 at 5:22 PM, David Macek <[email protected]>
> wrote:
> > First, check if the `develop` branch of
> https://github.com/Alexpux/Cygwin has this change you want to test. Then:
> >
> > $ pacman -S --needed base-devel msys2-devel git mingw-w64-cross-gcc
> mingw-w64-cross-zlib zlib-devel gettext-devel libiconv-devel diffutils
> > $ git clone https://github.com/Alexpux/MSYS2-packages.git
> > $ cd MSYS2-packages/msys2-runtime
> > $ makepkg
> > $ pacman -U *.pkg.tar.xz
> >
> > Close all MSYS2 processes and you're good to go.
>
> Thanks a lot for the hint. I rebuilt latest msys2-runtime, but
> hostname.exe still fail on long name, reported "Operation not
> permitted" as before.
>
> Now I'm wondering if there is anything related to newlib VS winsup:
> there are two gethostname implementations, one is in
> newlib/libc/sys/linux/gethostname.c, the other is in
> winsup/cygwin/net.cc,
> is it possible that Cygwin is using the newlib version but MSYS2 is
> using the winsup version?
>
> Thanks a lot!
>
> --
> Regards,
> Qian Hong
>
> -
> http://www.winehq.org
>
>
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