bug#45550: [PATCH] Factor out new function for readability in chartab.c

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

>> > Please make this a macro, not a function.  The code you are factoring
>> > out is called in the innermost loops of the display engine, in bidi.c,
>> > so it must be as fast as possible, even in an unoptimized build, where
>> > static functions aren't inlined.
>> 
>> Would it be acceptable to use our INLINE macro here instead?
>
> I'd prefer a simple macro.  I can never remember the exact semantics
> of INLINE this week.

I've applied Stefan's patch (with the "static inline" tweak, which we
use other places in Emacs, too) because patches bit-rot when they get
too old.  If it turns out to be a performance issue, then the inline
function can be rewritten as a macro.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no