[PATCH v2 4/6] ntdll: Allow renaming a file to the same name.

[Alexandre Julliard]

Zebediah Figura <z.figura12 at gmail.com> writes:

> @@ -2780,8 +2780,29 @@ NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
>  
>              if (!info->ReplaceIfExists && io->u.Status == STATUS_SUCCESS)
>              {
> +                struct stat st, st2;
> +                int fd;
> +
> +                if ((io->u.Status = server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL )))
> +                {
> +                    RtlFreeAnsiString( &unix_name );
> +                    break;
> +                }
> +
> +                if (fstat( fd, &st ) < 0 || stat( unix_name.Buffer, &st2 ) < 0)
> +                {
> +                    RtlFreeAnsiString( &unix_name );
> +                    io->u.Status = FILE_GetNtStatus();
> +                    break;
> +                }
> +
> +                if (st.st_dev == st2.st_dev && st.st_ino == st2.st_ino)
> +                    io->u.Status = STATUS_SUCCESS;
> +                else
> +                    io->u.Status = STATUS_OBJECT_NAME_COLLISION;
> +
>                  RtlFreeAnsiString( &unix_name );
> -                io->u.Status = STATUS_OBJECT_NAME_COLLISION;
> +                if (needs_close) close( fd );

I feel it would be cleaner to do that on the server side.

-- 
Alexandre Julliard
julliard at winehq.org