[sane-devel] Character encoding used for sane_strstatus() strings

[Kelly Price]

For Linux systems, C11 is a bit of the default as the Linux kernel now
requires C11.  So that would get all the major Linux distros.

On Mon, Jul 18, 2022 at 10:48 AM John Scott <jscott at posteo.net> wrote:
>
> On Mon, 2022-07-18 at 13:19 +0300, Povilas Kanapickas wrote:
> > By the way, does the current assumption actually break in practice, that
> > is, are there compilers for which ASCII text will not encode to a subset
> > of ISO-8859-1?
> I assume you mean "Are there compilers for which narrow/multibyte string
> literals will not encode to a subset of ISO-8859-1?" In that case, I
> haven't researched the matter and don't know of a system for which this
> is a problem off the top of my head.
>
> Note that if we're unwilling to bump compiler requirements to C11, there
> are still a couple options. GCC has the -fexec-charset option to specify
> what encoding "ordinary" string literals should be in; we can set this
> to ISO-8859-1 when building SANE, but this won't be portable to
> compilers without this option.
>
> We could also define a macro that's compatible with older compilers like
> this:
> #if __STDC_VERSION__ >= 201112L
> #define SANE_STRING(X) u8##X
> #else
> #define SANE_STRING(X) X
> #endif
>
> Lastly, iconv() is always an option.



-- 
Kelly "STrRedWolf" Price
http://redwolf.ws