Re: texinfo 6.1, 6.3: warning messages in no-locale setups

[Gavin Smith]

On 26 January 2017 at 07:10, Michael Deutschmann <address@hidden> wrote:
> On Wed, 25 Jan 2017, you wrote:
>> The reason it wants to use a UTF-8 locale is so that it can use
>> functions like mbrtowc and iswspace to process UTF-8 input. Is there
>> any other way to process UTF-8 in C if you have no locales available
>> on your system?
>
> Only by doing the conversions in your own code, ignoring the wide
> character API.

I think that your setup is so broken it is not worth supporting. Is
there any reason you don't have any locale support?

> Note that you'd have to use something other than wchar_t to store UTF-32
> intermediate data.  There are no standard guarantees on the size of
> wchar_t, indeed there is one standard typedef "wint_t", that exists to
> allow a null implementation of the API where wchar_t is char.

If the code converts from UTF-8 to codepoints itself, an "unsigned
long" would be enough because that is guaranteed to have at least 32
bits.