Russell King wrote:
On Tue, Aug 01, 2006 at 11:45:53AM +0159, Jiri Slaby wrote:
Peter Zijlstra wrote:
On Tue, 2006-08-01 at 02:03 -0700, Hua Zhong wrote:
#if KILLER == 1
#define MACRO
#else
#define MACRO do { } while (0)
#endif
{
if (some_condition)
MACRO
if_this_is_not_called_you_loose_your_data();
}
How do you want to define KILLER, 0 or 1? I personally choose 0.
Really? Does it compile?
No, and that is the whole point.
The empty 'do {} while (0)' makes the missing semicolon a syntax error.
Bulls^WNope, it was a bad example (we don't want to break the compilation,
just not want to emit a warn or an err).
Your sentence does not make sense, but I'm going to take it as saying
that you disagree that the above will cause a syntax error. Try it:
No, my code is bad, not his thoughts.
regards,
--
<a href="http://www.fi.muni.cz/~xslaby/">Jiri Slaby</a>
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E
-
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/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]