Re: Enlarge MAX_ALLOCA?

[David Kastrup <dak@gnu.org>]

handa@gnu.org (K. Handa) writes:

> In article <83lhsssq1b.fsf@gnu.org>, Eli Zaretskii <eliz@gnu.org> writes:
>
>> That buffer is fixed in size, I don't know what.  Perhaps it's hard to
>> know in advance how much we will need.  I hope Handa-san could explain.
>
> The reason of making it fixed size is that I was just lazy
> and didn't expect that decoder/encoder were called so
> frequently.  :-( The reaons of 0x4000 was that most of the
> elisp files in lisp/language were less than 0x4000
> characters.
>
> And, yes, we can estimate the actually necessarey
> CHARBUF_SIZE as coding->src_bytes on decoding, and
> coding->src_chars on encoding.

malloc/free pairings with lots of different sizes tend to be more work
for the heap management.  Of course, for alloca just using the minimum
is perfectly appropriate.

-- 
David Kastrup