RE: 'if' with failing 'else' block

[Marcus Comstedt (ACROSS) (Hail Ilpalazzo!) @ Pike (-) developers forum]

>       #define do_log(X, Y...) if ( !(< DBG, TME >)[T] ) low_log(X, Y)
[...]
>Now I wonder how I should rewrite the above macro definition so I can be
>sure it checks it's own 'if' and never unexpectedly interferes which
>other else statements... I don't know how...

#define do_log(X, Y...) do { if ( !(< DBG, TME >)[T] ) low_log(X, Y); } while(0)


A classic.