At Wednesday 27/9/2006 13:40, [EMAIL PROTECTED] wrote:
> That means that NULL pointers are considered False in a boolean
> expression (and you could assume that non-NULL pointers are True, as
> any other object in general),
I see this now that you show the clueless newbie me, yes thank you.
Except now by showing me here we have provoked the authority Thomas
Heller to say:
> > > Generally pointer instances have a False boolean value, so
> > > 'if pv: ....'
> > > should work. Except for c_void_p, c_char_p and c_wchar_p instances.
That English I do not understand. "Except" how?
Uh? That's wrong. Where did you find that? Should read "Generally
NULL pointer instances have..."
In short, whenever you see, in C:
if (ptr1) { whatever }
if (ptr2 != NULL) { whatever }
if (ptr3 == NULL) { whatever }
that goes into python:
if ptr1: ...
if ptr2: ...
if not ptr3: ...
Oh that's exactly how my newbie innocence led me astray.
Don't apologize, it's not easy to learn Python *and* learn to link an
external library at the same time...
Gabriel Genellina
Softlab SRL
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