Re: compiler requires explicit cast?

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On Wed, Jul 1, 2009 at 2:42 AM, Greg Ewing <[email protected]>wrote:

> horace wrote:
>
>  i got it to compile by manually replacing this:
>>
>> __pyx_t_2 = PyInt_FromLong(((long)LoadIcon(((void *)((long)__pyx_t_3)),
>> ((char *)1))));
>>
>> with this:
>>
>> __pyx_t_2 = PyInt_FromLong(((long)LoadIcon(((HINSTANCE)((long)__pyx_t_3)),
>> ((char *)1))));
>>
>
> If the above two lines of C code aren't equivalent, then
> HINSTANCE must be getting defined as something different
> from void * from the C compiler's point of view.
>
> At this point, if I were using gcc I would run it with
> -M to find out what HINSTANCE is getting expanded into.
> Not sure how to do that in a Windows environment, though.




i wasn't able to find any different HINSTANCE definition than void * but it
could be that i missed the right one. it's really hard to find something
like that on windows. maybe i will look for some tool which allows regular
expressions for searching. i will also try to find out if i can do something
like -M with the visual c++ compiler. thanks!




>
> BTW, it appears that you're actually using Cython, not Pyrex,
> because
>
>  cdef HMODULE h = GetModuleHandle(<char *>0)
>
> is not valid Pyrex code. You may want to ask about this
> on the Cython list. The code that Pyrex generates for
> what you posted earlier is quite different (although it
> probably wouldn't work any better in this situation).




yes, i am using cython. i think i read somewhere that cython questions can
or should also be asked on the pyrex list but i will look for the cython
list next time. sorry!




> --
> Greg
>

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<br><br><div class=3D"gmail_quote">On Wed, Jul 1, 2009 at 2:42 AM, Greg Ewi=
ng <span dir=3D"ltr">&lt;<a href=3D"mailto:[email protected]">gre=
[email protected]</a>&gt;</span> wrote:<br><blockquote class=3D"gmai=
l_quote" style=3D"border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0p=
t 0pt 0.8ex; padding-left: 1ex;">
<div class=3D"im">horace wrote:<br>
<br>
<blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, =
204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
i got it to compile by manually replacing this:<br>
<br>
__pyx_t_2 =3D PyInt_FromLong(((long)LoadIcon(((void *)((long)__pyx_t_3)), (=
(char *)1))));<br>
<br>
with this:<br>
<br>
__pyx_t_2 =3D PyInt_FromLong(((long)LoadIcon(((HINSTANCE)((long)__pyx_t_3))=
, ((char *)1))));<br>
</blockquote>
<br></div>
If the above two lines of C code aren&#39;t equivalent, then<br>
HINSTANCE must be getting defined as something different<br>
from void * from the C compiler&#39;s point of view.<br>
<br>
At this point, if I were using gcc I would run it with<br>
-M to find out what HINSTANCE is getting expanded into.<br>
Not sure how to do that in a Windows environment, though.</blockquote><div>=
<br><br><br>i wasn&#39;t able to find any different HINSTANCE definition th=
an void * but it could be that i missed the right one. it&#39;s really hard=
 to find something like that on windows. maybe i will look for some tool wh=
ich allows regular expressions for searching. i will also try to find out i=
f i can do something like -M with the visual c++ compiler. thanks!<br>
<br><br><br></div><blockquote class=3D"gmail_quote" style=3D"border-left: 1=
px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"=
><br>
<br>
BTW, it appears that you&#39;re actually using Cython, not Pyrex,<br>
because<div class=3D"im"><br>
<br>
 =A0cdef HMODULE h =3D GetModuleHandle(&lt;char *&gt;0)<br>
<br></div>
is not valid Pyrex code. You may want to ask about this<br>
on the Cython list. The code that Pyrex generates for<br>
what you posted earlier is quite different (although it<br>
probably wouldn&#39;t work any better in this situation).</blockquote><div>=
<br><br><br>yes, i am using cython. i think i read somewhere that cython qu=
estions can or should also be asked on the pyrex list but i will look for t=
he cython list next time. sorry!<br>
<br><br><br></div><blockquote class=3D"gmail_quote" style=3D"border-left: 1=
px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"=
><br>
-- <br><font color=3D"#888888">
Greg<br>
</font></blockquote></div><br>

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