B+tree discussions

[John Arbash Meinel]

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Andrew Bennetts wrote:
> John Arbash Meinel wrote:
> [...]
>> I wish I could get guppy to compile on win32, but it seems that win32
>> doesn't like putting pointers into static structure definitions.  (I'm
>> using gcc-mingw, but it really doesn't like:
>> PyTypeObject NyBitSet_Type = {
>> ~    PyObject_HEAD_INIT(&PyType_Type)
>> };
> 
> This gotcha is covered in <http://docs.python.org/ext/dnt-basics.html>:
> 
>     “... what we'd like to write is:
> 
>         PyObject_HEAD_INIT(&PyType_Type)
> 
>     as the type of a type object is ``type'', but this isn't strictly conforming
>     C and some compilers complain.”
> 
> It says you should instead use PyObject_HEAD_INIT(NULL) and rely on
> PyType_Ready(...) to fill this in later (typically called during module init).
> 
> -Andrew.
> 
> 

So I did this to guppy, which requires it done in lots of different
places (it exposes some C structures as a PyCObject, etc.)

Anyway, after spending a while getting it to actually compile, it now
segfaults at a really weird time. Which I don't understand because I've
compiled and run the code on Linux without any problems.... :(

John
=:->

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