I am not moving from another plateform :/
I tried it in pharo 6 and I it didn't work either.
It could be my dll. What is your compilation line for the dll ?
Thanks you,
Merwan
On Tue, Jul 5, 2016 at 2:14 PM, Ronie Salgado <ronies...@gmail.com> wrote:
> Hi Merwan,
>
> I tested this on Pharo 6 and it is working in Windows. However, in 32 bits
> Window doubles have an 8 byte alignment, unlike Linux where they have a 4
> byte alignment.
>
> Can you try doing the following before performing the ffi call in Windows,
> if you are moving an image from Linux or OS X:
>
> Vec3 rebuildFieldAccessors.
> Position rebuildFieldAccessors.
>
> Best regards,
> Ronie
>
> 2016-07-05 11:11 GMT+02:00 Merwan Ouddane <merwanoudd...@gmail.com>:
>
>> Hi,
>>
>> I have an issue whith nested structures.
>>
>> I made some "dummy" structures in c:
>>
>>
>> typedef struct vec3 {
>> double data[3];
>> } vec3;
>>
>> typedef struct position {
>> int i;
>> vec3 vec;
>> } position;
>> And a "dummy" function to fill it:
>> void fillStruct(position *position)
>> {
>> position -> i = 19;
>> (position -> vec).data[0] = 1;
>> (position -> vec).data[1] = 2;
>> (position -> vec).data[2] = 3;
>> }
>>
>> But I can't make the nested structure work.
>> The "i" is correctly set to 19 but I have values that doesn't make any
>> sense in the vec3 structure.
>>
>> In Pharo
>> I declared the Double3 type for the array inside Vec3:
>> Double3 := FFITypeArray ofType: 'double' size: 3
>>
>> Vec3>>fieldsDesc
>> ^ #(
>> Double3 v;
>> )
>>
>> And the position:
>> Position>>fieldsDesc
>> ^ #(
>> int i;
>> Vec3 vec;
>> )
>>
>> The ffi call:
>> ^ self ffiCall: #(void fillStruct(Position *position)) module: 'Test.dll'
>>
>> Sorry for the long / messy mail :p
>>
>> Any clues ?
>>
>> Cheers,
>> Merwan
>>
>
>
