On Mon, Feb 08, 2021 at 10:58:55PM +0200, Andy Shevchenko wrote: > On Mon, Feb 08, 2021 at 10:43:30PM +0200, Andy Shevchenko wrote: > > On Mon, Feb 8, 2021 at 10:11 PM Sakari Ailus > > <sakari.ailus@xxxxxxxxxxxxxxx> wrote: ... > __le32 val; > > val = cpu_to_le32(*fourcc & ~BIT(31)); > > p += string_escape_mem(&val, sizeof(*fourcc), output, sizeof(output), ESCAPE_NP | ESCAPE_HEX, NULL); sizeof(val) and as we are discussing in parallel emails something like skip_trailing_spaces() to be applied after above. The rationale of the above, that we reuse existing code and existing standard for the escaping non-printable characters. -- With Best Regards, Andy Shevchenko
