Re: [Qemu-devel] [PATCH v2 00/15] Debug output revamp

[Richard Henderson]

On 02/22/2013 08:16 AM, Andreas Färber wrote:
> I would be willing to do a macro-based v3 using do { ... } while (0) if
> maintainers can reach agreement on that and on how to do the if (0).

FWIW, I'm in favor of the

#ifndef DEBUG
# define DEBUG 0
#endif
#define MACRO_NAME(...) \
  do { if (DEBUG) { log(...) } } while (0)

sort of solution.  Immediate constant into the IF, which even an -O0
compile will delete as dead.


r~