linux-kernel - Re: Why is the kfree() argument const?

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Message-ID: <50F36352.5080306@gmail.com>
Date:	Mon, 14 Jan 2013 09:45:54 +0800
From:	Chen Gang F T <chen.gang.flying.transformer@...il.com>
To:	Guenter Roeck <linux@...ck-us.net>
CC:	antoine.trux@...il.com, fa.linux.kernel@...glegroups.com,
	Johannes Weiner <hannes@...urebad.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	clameter@....com, penberg@...helsinki.fi
Subject: Re: Why is the kfree() argument const?

于 2013年01月14日 01:41, Guenter Roeck 写道:
> Maybe the confusion arises from the somewhat lax use of the term "const
> pointer", and the csomewhat confusing way of defining variable attributes in C.
> Strictly speaking,
> 	const char *name;
> which is identical to
> 	char const *name;
> is not a const pointer, it is a pointer to a constant (string in this case).
> A "const pointer", or "constant pointer to an object", would be
> 	char * const name;

  Maybe.

  :-)

-- 
Chen Gang

Flying Transformer

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