[PATCH] kernel32: Make GetFinalPathNameByHandle warn on mounted folder.

[Zhiyi Zhang]

Hi Jeff,

It would be better if you could add some tests for this.
For example, add a test that shows the failures on wine
and then next patch fix it and remove todo_wines.

And is this for winehq bug 47787?

Thanks,
Zhiyi

On 9/23/19 1:10 PM, Jeff Smith wrote:
> GetFinalPathNameByHandle attempts to translate a volume mount point to
> an NT volume name using QueryDosDevice, but this can only succeed if the
> mount point is a drive letter.  When GetVolumeNameForVolumeMountPoint
> encounters a similiar situation, it emits a fixme message.
>
> When attempting to translate a volume mount point to an NT volume name
> with GetFinalPathNameByHandle, for a mount point that is not a drive
> letter, emit a fixme message.
>
> Signed-off-by: Jeff Smith <whydoubt at gmail.com>
> ---
>  dlls/kernel32/file.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/dlls/kernel32/file.c b/dlls/kernel32/file.c
> index 2b6a13fc0d..2d52b0a165 100644
> --- a/dlls/kernel32/file.c
> +++ b/dlls/kernel32/file.c
> @@ -1442,6 +1442,14 @@ DWORD WINAPI GetFinalPathNameByHandleW(HANDLE file, LPWSTR path, DWORD charcount
>      {
>          WCHAR nt_prefix[MAX_PATH];
>  
> +        /* if length of drive_part is > 3 then it must be a mounted folder */
> +        if (drive_part_len > 3)
> +        {
> +            FIXME("Mounted Folders are not yet supported\n");
> +            SetLastError( ERROR_NOT_A_REPARSE_POINT );
> +            return 0;
> +        }
> +
>          /* QueryDosDeviceW sets error code on failure */
>          drive_part[drive_part_len - 1] = 0;
>          if (!QueryDosDeviceW( drive_part, nt_prefix, MAX_PATH ))