Re: Regarding external binding of functions

A little elaboration of my last question is that I want to assign
hello_printf pointer to libc.printf in python before calling the API
such that API should be able to use hello_printf.

Looking forward.

Thanks,
Waseem

On Wed, Dec 11, 2013 at 10:44 PM, muhammad waseem sarwar
<[email protected]> wrote:
> Hi,
>
> I am new to ctypes and I have a questions regarding external binding
> of function using ctypes. The question is as follows,
>
> Q. I have a simple library that uses function pointer of
> hello_printf(const char *format, ...) in one of its API. While using
> this library in C, I point the function pointer of hello_printf to
> printf and code works seamlessly.
> hello_printf is not the API but is used in the implementation of one
> of the API's. The reason for this is that I want external application
> using the library to provide implementation of printf to provide
> flexibility and is common practice in C/C++.
>
> I want to know that how I can achieve this external binding of
> function pointer using ctypes i.e. point hello_printf() to printf in
> python so on calling the API, it gets the right printf implementation.
>
> I am not sure if I explained it well and I can post the code if there
> is ambiguity in question.
>
> Help would be highly appreciated and thanks in advance.
>
> Regards,
> Waseem

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