[Gambas-user] Moving from 64bit to 32 bit and back

[Jussi Lahtinen]

Then perhaps one alternative would be different classes for 32 and 64 bit
systems and choose which one to use according to what System.Architecture
returns at runtime.

Jussi

On Sat, Jul 4, 2020 at 2:59 AM Brian G <brian at westwoodsvcs.com> wrote:

> Yes that would work, but then I have to figure out the address width
> myself at compile time.
>
>    I would need to compile for each architecture .
>
>   I was trying to find a way to make the code portable that requires no
> recompile for SAME OS 32 AND 64 BIT VERSION. The same package can be
> installed on both versions and call c functions and pass structures without
> any issues....... So far lol  ... with such in-depth testing I have done...
> Three or four times ...
>
> Pointers are basically unsigned values which match size_t's nominal type
> and length.
>
> The cint and clong function are signed so it does take a little bit if
> fiddling to work properly.
>
> More testing needed of course.
>
> --
> Thanks
> Brian
> Friday, 03 July 2020, 01:40PM -07:00 from Jussi Lahtinen
> jussi.lahtinen at gmail.com:
>
> I would rather use preprocessors to define the variables, but it
> depends... your way should work.
> http://gambaswiki.org/wiki/lang/.if
>
> Jussi
>
> On Fri, Jul 3, 2020 at 4:51 AM Brian G <brian at westwoodsvcs.com> wrote:
>
> I replaced all c calls from Gambas3 that required Size_t data type with a
> pointer type in Gambas and cast the type using cint() or clong() when the
> value must be used.
>
> I did this because in most cases size_t follows the width of the address
> bus by convention.
>
> This seems to work so far.
>
> Does anyone have any thoughts on this?
>
> I would like to get some input about this if anyone have a better idea
>
> I can't see any where even in the structures I have used that this does
> not translate well.
>
> Was playing with the new raspi OS which defaults to 32 bit.
>
> Thank You
> Brian G
>
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