[Gambas-user] unsigned int datatype for external function

[Jussi Lahtinen]

Very good point. However, the OP gave the expected range, which is for 32
bits.


Jussi

On Sun, Jun 10, 2018 at 9:00 PM, Tobias Boege <taboege at gmail.com> wrote:

> On Sun, 10 Jun 2018, Jussi Lahtinen wrote:
> > > An integer type is obviously not wide enough.
> > >
> >
> > It is. You need 32 bits and Gambas integer is 32 bits. Gambas just
> > interprets/displays the most significant bit as sign bit.
> >
>
> I believe the C standard leaves the width of size_t open. When it speaks
> about "an unsigned integer type", that does not necessarily mean it's
> *the* "unsigned int" of which we could maybe expect that it's 32 bits wide.
>
> FWIW, on my system, size_t is 64 bits wide, like unsigned long and unlike
> unsigned int:
>
>   $ echo -e '#include <stdio.h> \n #include <stddef.h> \n int main(void) {
> printf("%u\\n", sizeof(size_t)); }' | gcc -x c - && ./a.out
>   8
>
> Regards,
> Tobi
>
> --
> "There's an old saying: Don't change anything... ever!" -- Mr. Monk
>
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