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SubjectRe: do {} while(0)
On Mon, 28 Jun 1999, wu_yb wrote:

> There are many
> do {} while(0)
> do { ... } while(0)
> in kernel source.
> Any difference between {} and do {} while(0); or
> { ... } and do {...} while(0). Are there any
> special effect ?
>

It's just a trick to keep the compiler from issuing warnings about "empty
statements".

Cheers,
Dick Johnson
***** FILE SYSTEM WAS MODIFIED *****
Penguin : Linux version 2.2.6 on an i686 machine (400.59 BogoMips).
Warning : It's hard to remain at the trailing edge of technology.


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