.oct files - keeping state across calls

[David Bateman]

Christophe Tournery wrote:
> Attached is an example .cpp file that can be compile with mkoctfile, 
> demonstrating the issue. I have included a simple makefile to compile 
> it and create the necessary symlinks.
>
> The code tries to store handles to a library in a map. The key to the 
> map is passed back to octave such that the "user" can choose on which 
> instance of the library a function is called.
>
> Thanks for testing and I am curious to know if you guys think it is a 
> bug in 3.2 or if it was "un-intentionally" working in 3.0.
> Christophe Tournery
>
>
> Testing in Octave 3.0.5:
> ------------------------
>
> octave:1> h1 = mylib_init()
> h1 = 0
> octave:2> h2 = mylib_init()
> h2 =  1
> octave:3> mylib_destroy(h1)
> octave:4> mylib_destroy(h2)
>
>
> Testing in octave 3.2.0:
> ------------------------
>
> octave:1> h1 = mylib_init()
> h1 = 0
> octave:2> h2 = mylib_init()
> h2 =  1
> octave:3> mylib_destroy(h1)
> error: mylib_destroy: handle '0' does not exist!
> octave:3> mylib_destroy(h2)
> error: mylib_destroy: handle '1' does not exist!
I don't have a 3.2 installed but I can't generate this behavior with the 
latest tip or 3.0.x.. Could someone else try on 3.2.1?

Cheers
David

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David Bateman                                dbateman at dbateman.org
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