From: Tom Rini <trini@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] lib: fix return codes when CONFIG_SYS_VSNPRINTF is enabled
Date: Mon, 27 Jan 2014 09:53:03 -0500 [thread overview]
Message-ID: <20140127145303.GF3277@bill-the-cat> (raw)
In-Reply-To: <1387494859-25158-1-git-send-email-drambo@broadcom.com>
On Thu, Dec 19, 2013 at 03:14:19PM -0800, Darwin Rambo wrote:
> When CONFIG_SYS_VSNPRINTF is enabled, it protects print operations
> such as sprintf, snprintf, vsnprintf, etc., from buffer overflows.
> But vsnprintf_internal includes the terminating NULL character in
> the calculation of number of characters written. This affects sprintf
> and snprintf return values. Fix this issue by setting pointer 'str'
> back to the location of the '\0'.
>
> Signed-off-by: Darwin Rambo <drambo@broadcom.com>
> Reviewed-by: Steve Rae <srae@broadcom.com>
Applied to u-boot/master, thanks!
--
Tom
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prev parent reply other threads:[~2014-01-27 14:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-19 23:14 [U-Boot] [PATCH] lib: fix return codes when CONFIG_SYS_VSNPRINTF is enabled Darwin Rambo
2014-01-27 14:53 ` Tom Rini [this message]
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