TestStand does not display a return of the C++ module string

I have a c++ module that returns a string value.  TestStand doesn't seem to be able to see the strings as return value.  Is it possible for c ++ return a string to teststand?  I have other methods that return values of return bool and float and TestStand handles those without problem...

The problem is that there is no standard memory allocation for C/C++. The chain could be allocated on the heap (or maybe not, there is no way of knowing if it is just returned as char *) and so if you go back to TestStand and don't manage the memory he will flee, or worse, could get released on TestStand below. This is why TestStand does not support this. If you are using an output parameter, teststand can allocate its own memory for the string and you can copy the string in it.

Hope this helps,

-Doug

Tags: NI Software

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