Re: [RFC, 2.6] a simple FIFO implementation

[Stelian Pop]

On Thu, Sep 16, 2004 at 05:51:04PM +0200, Buddy Lucas wrote:

> > No, because the type is *unsigned* int.
> 
> Indeed, that would exactly be the reason *why* this would fail. ;-) 
> 
> The expression fifo->size - fifo->tail + fifo->head might be negative
> at some point, right? (fifo->head has wrapped to some small value and
> fifo->tail > fifo->size)

And what is the value of an unsigned int holding that 'negative' value ? :)

Stelian.
-- 
Stelian Pop <stelian@xxxxxxxxxx>    
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