Please, don't top post. On Tue, Mar 14, 2023 at 12:30 PM Daniel Watzinger < daniel.watzin...@gmail.com> wrote:
> I'm sorry I couldn't contribute to the discussion in time. The fix of the > fstat() Win32 port looks good to me. I agree that there's a need for > multiple fseek() ports to address the shortcomings of the MSVC > functionality. > > The documentation event states that "on devices incapable of seeking, the > return value is undefined". A simple wrapper using GetFileType() or the new > fstat(), to filter non-seekable devices before delegation, will probably > suffice. > > > https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/fseek-fseeki64?view=msvc-170 > I have just posted a patch to enforce the detection of unseekable streams in the fseek() calls [1], please feel free to review it. [1] https://www.postgresql.org/message-id/CAC%2BAXB26a4EmxM2suXxPpJaGrqAdxracd7hskLg-zxtPB50h7A%40mail.gmail.com Regards, Juan José Santamaría Flecha