Re: -Wold-style-cast and standard library macros

[Yang Zhang <yanghatespam at gmail dot com>]

John (Eljay) Love-Jensen wrote:
> Hi Yang Zhang,
>
> > Hi, I'd like to use -Wold-style-cast for my own code, but when I use
> > such macros as <arpa/inet.h>'s INADDR_ANY (which is #defined as
> > `((in_addr_t) 0x00000000)`), I get warnings for that.  Any way around
> > this?  Thanks!
>
> I'd use this technique:
>
> #undef INADDR_ANY
> in_addr_t const INADDR_ANY = in_addr_t(0x00000000);
>
> Could put that in your own my_own_inet.h, and have your header #include
> <arpa/inet.h>, and replace the preprocessor #define constants with C/C++
> constants.
>
> HTH,
> --Eljay

But is there any workaround for this problem in general, where the 
source of the problem is a macro defined in a system header?  I'm seeing 
the same problem with FD_SET, FD_ISSET, etc.
--
Yang Zhang
http://www.mit.edu/~y_z/