Re: [PATCH 2/2] ntdll: Replace fstat and lstat with fstatat in get_file_info.

[Erich E. Hoover]

On Sat, Aug 28, 2021 at 11:40 PM Chip Davis  wrote:
> August 29, 2021 12:18 AM, "Dean Greer"  wrote:
> > Are you referring to a runtime issue?, since a later SDK has been needed from wine-5.8.
>
> Yes. That function will be weak-linked, which means that on 10.8 and 10.9 it will be NULL. Calling it without checking for NULL will cause a crash on those systems.

I was obviously expecting this to not be a problem since fstatat is
already used in fd_is_mount_point(), is there an existing example of
how we like to work around a function that's weak-linked and possibly
NULL?

Best,
Erich