Re: [RFC, 2.6] a simple FIFO implementation

[Hugh Dickins]

On Fri, 17 Sep 2004, Stelian Pop wrote:
> + * The size will be rounded-up to a power of 2.

> +	l = min(len, fifo->size - (fifo->in % fifo->size));
> +	memcpy(fifo->buffer + (fifo->in % fifo->size), buffer, l);

> +	l = min(len, fifo->size - (fifo->out % fifo->size));
> +	memcpy(buffer, fifo->buffer + (fifo->out % fifo->size), l);

The moduli can now be replaced by faster masks "& (fifo->size - 1)".

Hugh

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