Re: Doubt in linux/list.h

[Libin Varghese <libinv@xxxxxxxxx>]

Jim Bauer wrote:

> Libin Varghese wrote:
>  
>
> > Hi,
> >   In linux/list.h, there is the following lines. Why use a do-while
> > loop when the statements inside is run only once.
> >
> > #define INIT_LIST_HEAD(ptr) do { \
> >       (ptr)->next = (ptr); (ptr)->prev = (ptr); \
> > } while (0)
> >    
>
> See http://www.kernelnewbies.org/faq/
>  
I understand that it is neccessary for a block of statments, but we are 
they using it for a single statement

Libin Varghese
Email:        libinv@xxxxxxxxx


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