| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> | 
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Emre Hasegeli <emre(at)hasegeli(dot)com> | 
| Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org> | 
| Subject: | Re: New Defects reported by Coverity Scan for PostgreSQL | 
| Date: | 2018-07-31 17:21:49 | 
| Message-ID: | 20180731172149.kdjl3xdjjtwxaj4s@alvherre.pgsql | 
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| Thread: | |
| Lists: | pgsql-committers pgsql-hackers | 
Hello guys.  Coverity complained about this patch as below.  What, if
anything, should be done about it?  One solution is to mark it as a
false-positive in Coverity, of course.
On 2018-Jul-29, scan-admin(at)coverity(dot)com wrote:
> ** CID 1438146:  API usage errors  (SWAPPED_ARGUMENTS)
> 
> 
> ________________________________________________________________________________________________________
> *** CID 1438146:  API usage errors  (SWAPPED_ARGUMENTS)
> /srv/coverity/git/pgsql-git/postgresql/src/backend/utils/adt/geo_ops.c: 2647 in close_lseg()
> 2641     	LSEG	   *l1 = PG_GETARG_LSEG_P(0);
> 2642     	LSEG	   *l2 = PG_GETARG_LSEG_P(1);
> 2643     	Point	   *result;
> 2644     
> 2645     	result = (Point *) palloc(sizeof(Point));
> 2646     
> >>>     CID 1438146:  API usage errors  (SWAPPED_ARGUMENTS)
> >>>     The positions of arguments in the call to "lseg_closept_lseg" do not match the ordering of the parameters:
> * "l2" is passed to "l1"
> * "l1" is passed to "l2"
> 2647     	lseg_closept_lseg(result, l2, l1);
> 2648     
> 2649     	PG_RETURN_POINT_P(result);
> 2650     }
> 2651     
> 2652     
-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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