Re: lua_Integer in Lua 5.3

[Lourival Vieira Neto <lourival.neto@...>]

On Thu, Dec 5, 2013 at 5:22 PM, Roberto Ierusalimschy
<roberto@inf.puc-rio.br> wrote:
>> And the implementation uses _at least_ 64-bit integers. As both long
>> long and int64_t are C99, why do not use int64_t?
>
> I think that was answered several times, but here it goes again: in
> real life, long long is more widespread and better supported than
> int64_t.

Sorry, I didn't read it on the list. I should have tried better to
find it before asking.

> (For instance, in my Linux, printf has a modifier for long long
> [ll], but there is no modifier for int64_t.)

Are you sure that you don't have PRI{d,i,o,u,x,X}64 on your system?

>> Anyway, I think that the manual could be clearer in this point. Also,
>> lua_Integer definition should be fixed in the section 4.8 of the
>> manual, as it is defined as long long by default, not ptrdiff_t.
>>
>> [1] http://www.lua.org/work/doc/manual.html#2.1
>
> That is an error in the manual. That definition was not updated to
> 5.3. (Come on, that was a work version...) Forget the ptrdiff_t.

=).

Regards,
-- 
Lourival Vieira Neto