C API / const char *text / std.string.toStringz pointer is always NULL on C side
rikki cattermole
rikki at cattermole.co.nz
Wed May 16 15:09:41 UTC 2018
On 17/05/2018 3:07 AM, Robert M. Münch wrote:
> I have an extern(C) function in a DLL with this signature:
>
> result* myfunc(double x, double y, const char *text, stuff *myStuff,
> bool flag);
>
> I call it like this:
>
> result = myfunc(0, 0, std.string.toStringz("1"), stuff, true);
>
>
> The problem is, that on the DLL side *text is always NULL. I doesn't
> matter what I put as third argument. And even more strange, I have an
> other function with a const char* as first argument. There everything is
> working...
>
> Any idea what cause this could be? This is really strange...
Please post the C function prototype.
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