[geos-devel] Re: [GEOS] #260: Problem using locale with WKTReader

[GEOS]

#260: Problem using locale with WKTReader
-----------------------+----------------------------------------------------
 Reporter:  del        |        Owner:  geos-devel at lists.osgeo.org
     Type:  task       |       Status:  reopened                  
 Priority:  major      |    Milestone:  3.1.1                     
Component:  Default    |      Version:  3.1.0                     
 Severity:  Annoyance  |   Resolution:                            
 Keywords:             |  
-----------------------+----------------------------------------------------
Changes (by yabo):

  * status:  closed => reopened
  * version:  3.0.3 => 3.1.0
  * resolution:  duplicate =>

Comment:

 Hello,

 I believe the problem isn't totally fixed yet. I'm using geos 3.1, here is
 a minimal test case that englithens the bug :

 {{{
 #include <locale.h>
 #include <iostream>

 #include <geos/geom/Point.h>
 #include <geos/io/WKTReader.h>
 #include <geos/io/WKTWriter.h>

 int main(int argc, char* argv[])
 {
   setlocale(LC_ALL, argv[2]);
   geos::io::WKTReader r;
   geos::geom::Point* p = (geos::geom::Point*) r.read(argv[1]);

   geos::io::WKTWriter w;
   std::cout << w.write(p) << std::endl;
 }
 }}}

 {{{
 yabo at xen ~/dev/geos_test_1 $ ./a.out  'POINT(42.42 0)' 'C'
 POINT (42.4200000000000017 0.0000000000000000)
 yabo at xen ~/dev/geos_test_1 $ ./a.out  'POINT(42.42 0)' 'en_EN.UTF8'
 POINT (42.4200000000000017 0.0000000000000000)
 yabo at xen ~/dev/geos_test_1 $ ./a.out  'POINT(42.42 0)' 'fr_FR.UTF8'
 terminate called after throwing an instance of 'geos::io::ParseException'
   what():  ParseException: Expected number but encountered word: '42.42'
 Aborted
 yabo at xen ~/dev/geos_test_1 $
 }}}

 I'm using Gentoo linux on a 64bit platform with geos 3.1.

 {{{
 yabo at xen ~/dev/geos_test_1 $ uname -ap
 Linux xen 2.6.28-gentoo-r5 #8 SMP PREEMPT Mon May 18 11:55:05 CEST 2009
 x86_64 AMD Phenom(tm) II X4 810 Processor AuthenticAMD GNU/Linux
 yabo at xen ~/dev/geos_test_1 $ emerge -pv geos

 These are the packages that would be merged, in order:

 Calculating dependencies... done!
 [ebuild   R   ] sci-libs/geos-3.1.0  USE="python -doc -ruby" 0 kB

 Total: 1 package (1 reinstall), Size of downloads: 0 kB
 yabo at xen ~/dev/geos_test_1 $
 }}}

 After inspecting the code, the point of failure is, as said in the first
 report, in io/StringTokenizer.cpp:76 where the strtod function is used,
 which is a locale-dependant function.

-- 
Ticket URL: <http://trac.osgeo.org/geos/ticket/260#comment:2>
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