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From: Mitchell Blank Jr <mitch@sfgoth.com>
To: Willy Tarreau <w@1wt.eu>
Cc: Folkert van Heusden <folkert@vanheusden.com>,
	linux-kernel@vger.kernel.org
Subject: Re: strncpy optimalisation? (lib/string.c)
Date: Sun, 10 Dec 2006 13:49:34 -0800	[thread overview]
Message-ID: <20061210214934.GC47959@gaz.sfgoth.com> (raw)
In-Reply-To: <20061210210614.GD24090@1wt.eu>

Willy Tarreau wrote:
> Original code completely pads the destination with zeroes,
> while yours only adds the last zero. Your code does what
> strncpy() is said to do, but maybe there's a particular
> reason for it to behave differently in the kernel

No, the kernel's strncpy() behaves the same as the one in libc.  Run
"man strncpy" if you don't believe me.

In the common case where you just want to copy a string and avoid
overflow use strlcpy() instead

-Mitch

  parent reply	other threads:[~2006-12-10 21:31 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-10 20:52 strncpy optimalisation? (lib/string.c) Folkert van Heusden
2006-12-10 21:06 ` Willy Tarreau
2006-12-10 21:35   ` Folkert van Heusden
2006-12-10 22:05     ` Mitchell Blank Jr
2006-12-10 21:49       ` Folkert van Heusden
2006-12-10 21:49   ` Mitchell Blank Jr [this message]
2006-12-10 21:39     ` [KJ] " Folkert van Heusden
2006-12-10 21:39       ` Folkert van Heusden
2006-12-10 23:28       ` [KJ] " Bernd Petrovitsch
2006-12-10 23:28         ` Bernd Petrovitsch

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