Re: [Cython] Question about providing functions to existing C code

On Apr 18, 2008, at 8:09 AM, Johannes Wienke wrote:

Hi,


Am 04/18/2008 04:53 PM schrieb Stefan Behnel:

Johannes Wienke wrote:

void plug_observ_data (plugDefinition *plug, const char *ident);

This is one example. My problem here is that Cython doesn't know

anything about const. So I can't implement this function appropriately.

Is there any way to solve this problem?


You might get away with something like

   ctypedef constcharptr char* "const char*"

Too bad, doesn't work. In this version even cython doesn't compile. What

works is:

ctypedef char* constcharptr "const char*"

But that generates obviously wrong C code:

typedef char *const char*;


Putting this in a cdef extern block should work.

- Robert

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