this looks like what I need...I'm not concerned with leaking memory as it's a borrowed pointer which will be cleaned up in C code later. Thanks for the pointer.
On Sat, Nov 7, 2009 at 12:36 PM, Zachary Pincus <zachary.pin...@yale.edu>wrote: > Check out this thread: > > http://www.mail-archive.com/numpy-discuss...@lists.sourceforge.net/msg01154.html > > In shot, it can be done, but it can be tricky to make sure you don't > leak memory. A better option if possible is to pre-allocate the array > with numpy and pass that buffer into the C code -- but that's not > always possible... > > Zach > > > On Nov 6, 2009, at 10:18 PM, Chris Colbert wrote: > > > Are you bound to using ctypes as the only option? > > > > This could be done quite easily in Cython... > > > > On Fri, Nov 6, 2009 at 1:57 PM, Trevor Clarke <tre...@notcows.com> > > wrote: > >> I've found some info on ctypes and numpy but it mostly tells me how > >> to pass > >> numpy objects to C funcs. I've got a C func which returns a > >> c_void_p to a > >> buffer and I'd like to access the data using numpy without creating > >> a copy > >> of the data. Could someone point me in the right direction? > >> > >> _______________________________________________ > >> NumPy-Discussion mailing list > >> NumPy-Discussion@scipy.org > >> http://mail.scipy.org/mailman/listinfo/numpy-discussion > >> > >> > > _______________________________________________ > > NumPy-Discussion mailing list > > NumPy-Discussion@scipy.org > > http://mail.scipy.org/mailman/listinfo/numpy-discussion > > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > http://mail.scipy.org/mailman/listinfo/numpy-discussion >
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