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From: Jeff Garzik <jgarzik@pobox.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: linux-kernel@vger.kernel.org, torvalds@transmeta.com,
	trivial@rustcorp.com.au, Neil Brown <neilb@cse.unsw.edu.au>,
	dwmw2@redhat.com
Subject: Re: [PATCH] [TRIVIAL] kstrdup
Date: Mon, 13 Jan 2003 22:19:21 -0500	[thread overview]
Message-ID: <20030114031921.GD404@gtf.org> (raw)
In-Reply-To: <20030114025452.656612C385@lists.samba.org>

On Tue, Jan 14, 2003 at 12:55:40PM +1100, Rusty Russell wrote:
> +
> +char *kstrdup(const char *s, int gfp)
> +{
> +	char *buf = kmalloc(strlen(s)+1, gfp);
> +	if (buf)
> +		strcpy(buf, s);
> +	return buf;
> +}

Poo -- why not store the length in a temp, since the compiler does it
behind the scenes anyway, and then memcpy instead of strcpy?
(remember to store the +1 too, since you want to memcpy the null...)

	Jeff




  reply	other threads:[~2003-01-14  3:10 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-01-14  1:55 [PATCH] [TRIVIAL] kstrdup Rusty Russell
2003-01-14  3:19 ` Jeff Garzik [this message]
2003-01-15  6:45   ` Rusty Russell
2003-01-14  3:28 ` Valdis.Kletnieks
2003-01-14  3:38   ` Jeff Garzik
2003-01-14  3:53     ` Valdis.Kletnieks
2003-01-14  4:15       ` Jeff Garzik
2003-01-14  5:15         ` Valdis.Kletnieks
2003-01-14 11:48 ` Olaf Dietsche
2003-01-15  6:55   ` Rusty Russell
2003-01-19 23:37 ` Pavel Machek
2003-01-22  2:04   ` Rusty Russell
2003-01-23 14:02     ` Pavel Machek
2003-01-23 14:21       ` Martin Mares
2003-01-23 14:44         ` Pavel Machek
2003-01-29  4:51       ` Rusty Russell

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