Re: How to extract a floating point number locale-independantly

[Daurnimator <quae@...>]

On 29 April 2016 at 05:13, Roberto Ierusalimschy <roberto@inf.puc-rio.br> wrote:
>> >   - If running in a locale where '.' is not the decimal separator,
>> > parsing lua could result in *many* calls to `localeconv`.
>>
>> I am not sure what you count as "many", but the code seems to call
>> `localeconv` once per chunk (unless you change locales during
>> parsing, in which case is plus one per change).
>
> A curiosity: is there any special reason to believe that 'localeconv'
> is slow?

Not particularly.
I just checked how it's implemented in various libcs, and it's usually
either just returning the same pointer, or several copies into a
static buffer.