[OPEN-ILS-DEV] PATCH: srfsh.c (fprintf -> fputs)

Mike Rylander mrylander at gmail.com
Mon Mar 10 08:38:19 EDT 2008


On Thu, Feb 28, 2008 at 1:30 AM, Scott McKellar <mck9 at swbell.net> wrote:
> This patch replaces several calls to fprintf() or printf() with calls
>  to fputs(), where we don't use conversion specifications.

Applied.

>
>  Since fputs() doesn't have to parse the output text for conversions,
>  it should be marginally more efficient than fprintf() or printf().
>
>  More importantly: in one case the output text comes in part from an
>  input message, and may conceivably contain conversion specifications,
>  whether inadvertently or maliciously.  In that case, fprintf() would
>  look for non-existent parameters to format into the output, resulting
>  in undefined behavior.
>
>  Scott McKellar
>  http://home.swbell.net/mck9/ct/
>
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-- 
Mike Rylander
 | VP, Research and Design
 | Equinox Software, Inc. / The Evergreen Experts
 | phone:  1-877-OPEN-ILS (673-6457)
 | email:  miker at esilibrary.com
 | web:  http://www.esilibrary.com


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