[Cython] how would I wrap something like this in a .pxd file

[Chris Colbert]

i just saw this line in the docs:

6. If the header file defines a function using a macro, declare it as
though it were an ordinary function, with appropriate argument and
result types.

So i'll start there.

Sorry for the bogus post.


On Wed, Jul 1, 2009 at 1:52 PM, Chris Colbert<sccolbert at gmail.com> wrote:
> In wrapping a C library, I come across many #define statements that I
> need to use elsewhere. When they simply define a constant, I use an
> anonymous enum and all is well.
>
> But how would I wrap something like this that shown up in a header
> file that i'm cdef extern'ing from:
>
> #define CV_TREE_NODE_FIELDS(node_type)                               \
>
>    int       flags;                \
>
>    int       header_size;          \
>
>    struct    node_type* h_prev;      \
>
>    struct    node_type* h_next;     \
>
>    struct    node_type* v_prev;       \
>
>    struct    node_type* v_next ;
>
>
> or something like this:
>
> #define CV_IS_STORAGE(storage)  \
>
>    ((storage) != NULL &&       \
>
>    (((CvMemStorage*)(storage))->signature & CV_MAGIC_MASK) ==
> CV_STORAGE_MAGIC_VAL)
>
>
>
>
> Thanks and Cheers!
>
> Chris
>