Re: Coverity Open Source Defect Scan of PostgreSQL

On Thu, 9 Mar 2006, Bruce Momjian wrote:

> Martijn van Oosterhout wrote:
> -- Start of PGP signed section.
>> On Wed, Mar 08, 2006 at 06:42:45PM -0500, Greg Stark wrote:
>>> Ben Chelf <ben@coverity.com> writes:
>>>
>>>>>>> #ifdef STATIC_ANALYSIS
>>>>>>> #define ereport(elevel, rest)  \
>>>>>>>        (errstart(elevel, __FILE__, __LINE__, PG_FUNCNAME_MACRO) ? \
>>>>>>>         (errfinish rest) : (void) 0), (elevel >= ERROR ? exit(0) : 0)
>>>>>>> #else
>>>>>>> /* Normal def */
>>>>>>> #endif
>>>>
>>>> As for Coverity, if the elevel that's passed to the ereport is really a
>>>> constant, the above #ifdef should absolutely do the trick for us so we know to
>>>> stop analyzing on that path...Let me know if it doesn't actually do that ;)
>>>
>>> If you're willing to require elevel to always be a constant then why not just
>>> tack on the (elevel >= ERROR ? exit(0) : 0) onto the end of the regular
>>> definition of ereport instead of having an ifdef?
>>
>> Well, the only cost would be a useless call to exit() for each
>> elog/ereport with an elevel >= ERROR. It bloats the binary a bit. Not
>> sure whether people care enough about that.
>
> We care.  :-)

Why?  I don't think we are able to run 'embedded' now as it is, so its not 
like we're dealign with system with small disk spaces :)  how much bigger 
would adding that exit() make the binary?  Martijn, could you do a build 
with/without it and compare sizes?

----
Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email: scrappy@hub.org           Yahoo!: yscrappy              ICQ: 7615664