Re: [PATCH 0/7] MR9397: dlls/sane.ds: Support ADF-Scans and fix TWSX_MEMORY

[Esme Povirk (＠madewokherd)]

Esme Povirk (@madewokherd) commented about dlls/sane.ds/ds_image.c:
> return TWRC_FAILURE;
>          }
>
> +        while (i>=-1)
> +          {
> +            /* Some backends can deliver more data than requestes, especially
> +             * in ADF-Mode.
> +             * Dummy-Read until EOF, else the rest of the image might be read
> +             * as another (nearly empty) frame. Observed with brscan4 driver */

In ADF mode, the height reported by the driver could be a guess, right? If someone puts in a shorter or taller page than expected, there's no way to know that until it reaches the end of the scan.

Should we account for this and return a different sized DIB?

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/9397#note_121412