C++ binding issues with C++ function returning a simple POD struct.
Stefan Koch via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Sun May 21 12:58:32 PDT 2017
On Sunday, 21 May 2017 at 19:33:06 UTC, ParticlePeter wrote:
> I am statically linking to ImGui [1] on Win 10 x64, quite
> successfully till this issue came up. The noticed error so far
> comes when an ImGui function returns an ImVec2, a simple POD
> struct of two float members. I can use this struct as argument
> to functions but when it is returned from a function I get a
> 0xC0000005: Access violation reading location
> 0xFFFFFFFFFFFFFFFF. I can even debug the process with Visual
> Studion, mixed d and c++ sources. The functions I tested return
> data from some internal global ImGui data, which I can fully
> examine, the crash happens on the return statement. Moreover,
> some functions have variations which return only one component
> from that ImVec2 POD, which do work as expected, e.g.:
>
> [...]
are you aware of https://github.com/Extrawurst/DerelictImgui ?
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