From: James Colannino <james@colannino.org>
To: linux-c-programming@vger.kernel.org
Subject: Re: comparing char to other known char's
Date: Thu, 23 Jun 2005 16:58:21 -0700 [thread overview]
Message-ID: <42BB4C9D.5030309@colannino.org> (raw)
In-Reply-To: <200506231757.58518.eric@cisu.net>
Eric Bambach wrote:
> Generally speaking (in terms of input validation), its better practice to
> check against a LEGAL set of characters rather than an illegal set. That way
> you can get all the characters you need, but everything else is blocked. If
> you block illegal ones you're bound to miss a few or even ones from extended
> charsets and input methods that you might not have thought of that could
> wreck havoc in your program.
You're right. I didn't think of that. Thanks for the warning.
James
--
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next prev parent reply other threads:[~2005-06-23 23:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-22 23:22 comparing char to other known char's James Colannino
2005-06-22 23:44 ` David L. Martin
2005-06-22 23:46 ` Eric Bambach
2005-06-23 0:25 ` James Colannino
2005-06-23 13:10 ` Adrian Popescu
2005-06-23 20:40 ` James Colannino
2005-06-23 22:57 ` Eric Bambach
2005-06-23 23:58 ` James Colannino [this message]
2005-06-24 0:25 ` James Colannino
2005-06-24 3:34 ` Eric Bambach
2005-06-24 5:48 ` James Colannino
2005-06-24 7:57 ` J.
2005-06-24 8:32 ` Glynn Clements
2005-06-25 11:58 ` HIToC
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