c and cpp living together?

Altera_Forum · ‎07-28-2006

Hello forum,

I am working on a project using c and c++ code with eCos. I notice that eCos is written mainly in c++, but many other components in my system is written with c. This leads me to suspect that mixing c and c++ works OK if you know how. I have no trouble running an example project written in c, but when I start to incorporate cxx code files, things start to look bad.

Before someone says, 'post to the eCos forum', my question is more fundamental - how do you go about mixing c and cxx code in the context of gcc and the NiosII IDE?

Thanks in advance for any replies.

Altera_Forum · ‎07-31-2006

Hi,

You can find much info from google.com.cn by using key words "mixing C and C++".

when using C++ style function in *.c file, you'll need to do a "C"-style function in the CPP file in order to to link it.

e.g. in CPP

extern "C" void CreateForm (void)

{

Form *frm = new Form();

}

then in main.c

extern void CreateForm (void);

int main ()

{

CreateForm ()

}

FYI.

David

Altera_Forum · ‎08-01-2006

Hi

Here i passed one link..from that you can get the idea and also solution for mixing c/c++ code in one file...

http://developers.sun.com/prodtech/cc/articles/mixing.html (http://developers.sun.com/prodtech/cc/articles/mixing.html)

Go through this.

Definately you find the solution..

Let me know

Best Regards,

slsnios

Altera_Forum · ‎08-02-2006

They can life together well.

Just make sure that all C++ is in a .cpp file.

The compiler uses the file extention to change its mode