Robert P. J. Day wrote:
> just to stir the pot a bit regarding the discussion of the two
> different ways to define macros,
You mean function-like macros, right?
> i've just noticed that the "({ })"
> notation is not universally acceptable. i've seen examples where
> using that notation causes gcc to produce:
>
> error: braced-group within expression allowed only inside a function
And function calls and macros which expand to "do { expr; } while (0)"
won't work anywhere outside of functions either.
> i wasn't aware that there were limits on this notation. can someone
> clarify this? under what circumstances *can't* you use that notation?
> thanks.
The limitations are certainly highly compiler-specific.
--
Stefan Richter
-=====-=-=== ---= -=--=
http://arcgraph.de/sr/
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
