On Tue, 11 Mar 2008, Robert Ammerman wrote:

> > Ok so it expects a terminating ';', but what benefit does that give you.
> >
> > Regards
> > Sergio
> 
> Because then it is syntactically identical to a simple statement, which also 
> expects a trailing ';'
> 
> Given
> 
> if ( xxx )
>     SomeMacro;
> else
>     AnotherMacro;
> 
> If you use '{..}' instead of 'do {..} while(0)', this expands to:
> 
> 
> if ( xxx )
>    { ... };
> else
>    { ... };
> 
> Which isn't going to work the way you want it to! It won't even compile 
> because the first ';' will terminate the if statement and there will be 
> nothing to which the compiler can match the 'else'.

Thanks for that Bob.

I will add it to my list of reasons why it is good practice to always use 
braces with 'if' statements :-)

Regards
Sergio
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