Re: [dev] [st utf8 3/4] Change internal character representation.

From: Silvan Jegen <s.jegen_AT_gmail.com>
Date: Mon, 27 Apr 2015 10:30:49 +0200

On Mon, Apr 27, 2015 at 10:05 AM, koneu <koneu93_AT_googlemail.com> wrote:
> On April 27, 2015 9:58:37 AM CEST, "Roberto E. Vargas Caballero" <k0ga_AT_shike2.com> wrote:
>>
>>>
>>> GCC and Clang define long as 64-bits by default for x86_64, AArch64,
>>> and many other 64-bit target architectures, which is wasteful for
>>> Unicode code points.
>>
>>Uhmmm, so do you propose don't use long arrays ever? because in
>>some implementations long may be 4, but in others may be
>>8. We also should forbid int arrays for the same reason.
>>Maybe we should send a proposal to the C commite with this
>>proposal.
>>
>>Regards,
>
> Yes, the "good old types" are not very specific about their length.
> That is why someone previously proposed stdintint.h's uint32_t for Unicode in st.

For what it's worth, I agree with this approach. uint32_t is
guaranteed (since C99) to be just the right size to hold all Unicode
points (as well as their UTF-8 representation) without wasting (too
much) space.
Received on Mon Apr 27 2015 - 10:30:49 CEST

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