netdev - Re: [PATCH v4 1/1] rps: core implementation

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Message-ID: <20091120154046.67252d23@nehalam>
Date:	Fri, 20 Nov 2009 15:40:46 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Tom Herbert <therbert@...gle.com>
Cc:	David Miller <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [PATCH v4 1/1] rps: core implementation

On Fri, 20 Nov 2009 15:28:58 -0800
Tom Herbert <therbert@...gle.com> wrote:

> +static char *get_token(const char **cp, size_t *len)
> +{
> +	const char *bp = *cp;
> +	char *start;
> +
> +	while (isspace(*bp))
> +		bp++;
> +
> +	start = (char *)bp;
> +	while (!isspace(*bp) && *bp != '\0')
> +		bp++;
> +
> +	if (start != bp)
> +		*len = bp - start;
> +	else
> +		start = NULL;
> +
> +	*cp = bp;
> +	return start;
> +}


Sysfs is intentionally one value per file. If you need multiple
values, then it is the wrong interface.

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