Why not using C++

Naveen Verma ernaveenverma at gmail.com
Fri Oct 8 08:13:05 PDT 2010


To me sounds a good idea, if we are implementing without STL. We had many
discussion earlier to have C++ based implementation. But it end up in the
believe that we will not get good performance. But this we can check once we
have an implementation.


On Fri, Oct 8, 2010 at 1:07 PM, Jacques Guillou
<jacques.guillou at gmail.com>wrote:

> Hi,
> I am working on a project which has some similarities with DBUS, since it's
> an IPC framework involving a daemon process which dispatches messages to
> clients connected to it over a UNIX domain socket.
> It's currently completely written in C. Since the daemon has to support
> some pluggable components, I use some C structures which mainly contain
> function pointers pointing the my plugins specific function.
> These structures can be seen as a virtual function tables as they are know
> in the C++.
> Since implementing this in C is actually quite painful and error prone, I
> wondered whether it would make sense to implement this in C++ instead of C,
> WITHOUT using STL.
> According to me, there are already a lot of benefits of using the C++
> language itself over C :
> - Helps making the design of your application cleaner, when using object
> oriented concepts
> - Provides stricter type checking
> - Allows using templates
> Now the drawbacks (?):
> - Need a C++ compiler (nowadays, there's one on every platform we support,
> right ?)
> - Need to link against libstdc++ library (this can be avoided, as it is
> described in this thread :
> http://stackoverflow.com/questions/1653047/avoid-linking-to-libstdc)
> So now my question : Would it make sense (or would it have made sense) to
> implement DBUS in C++, without using any of the C++ libraries (STL,
> libstdc++, etc...), since the language itself provides some benefits over C,
> without any drawback (apart from the fact that some people don't know C++) ?
> What do you think?
> Best regards
> Jacques
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