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?