[Gambas-user] Read array of string return from external libraries function

[Phạm Quang Dương]

Thank Benoit!

One more question about the below basic data structure:

aStruct * anExternFunc(...)

with:

aStruct {

aClass *data
aStruct *previous
aStruct *next
}


How to get all *data
I tried

pNext = anExternFunc(...)
while pNext <> null

pData = Pointer@(pNext)

...

pNext = pData + SizeOf(gb.pointer)*2

wend

and failed.

2011/3/30 Benoît Minisini <gambas at ...1...>

> > Hi,
> >
> > I have an EXTERN function which returns an array of strings (char**). How
> > to get this array?
> >
> > I just can only get the first string:
> > EXTERN theFunction(params AS ...) As Pointer
> > .....
> > Dim p as Pointer, s as String
> >
> > p = theFunction(...)
> > s = String@(Pointer@(p))
> >
> > What to do next?
> > Thank you.
>
> s = String@(Pointer@(p + SizeOf(gb.Pointer))
> s = String@(Pointer@(p + SizeOf(gb.Pointer) * 2)
> s = String@(Pointer@(p + SizeOf(gb.Pointer) * 3)
> ...
>
> --
> Benoît Minisini
>
>
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Phạm Quang Dương
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