linux-kernel - Re: [patch 2/4] add argv

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Date:	Tue, 8 May 2007 14:59:02 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Andi Kleen <ak@...e.de>, Andrew Morton <akpm@...ux-foundation.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Chris Wright <chrisw@...s-sol.org>
Subject: Re: [patch 2/4] add argv_split()

On Tue, 08 May 2007 13:51:31 -0700 Jeremy Fitzhardinge wrote:

> --- /dev/null
> +++ b/lib/argv_split.c
> @@ -0,0 +1,160 @@
> +
> +static const char *skip_sep(const char *cp)
> +{
> +	while(*cp && isspace(*cp))

Kernel style is space after "while", "for", "if"...

> +		cp++;
> +
> +	return cp;
> +}
> +
> +static const char *skip_arg(const char *cp)
> +{
> +	while(*cp && !isspace(*cp))
> +		cp++;
> +
> +	return cp;
> +}
> +
> +static int count_argc(const char *str)
> +{
> +	int count = 0;
> +
> +	while(*str) {
> +		str = skip_sep(str);
> +		if (*str) {
> +			count++;
> +			str = skip_arg(str);
> +		}
> +	}
> +
> +	return count;
> +}
> +
> +/**
> + * argv_free - free an argv
> + *

no blank "*" line.

> + * @argv - the argument vector to be freed

    * @argv: the argument vector to be freed


> + *
> + * Frees an argv and the strings it points to.
> + */
> +void argv_free(char **argv)
> +{
> +	char **p;
> +	for(p = argv; *p; p++)
> +		kfree(*p);
> +
> +	kfree(argv);
> +}
> +EXPORT_SYMBOL(argv_free);


---
~Randy
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