[gdal-dev] PGeo driver errors

[Frank Warmerdam]

Ryk DeYoe wrote:
> I'm using the PGeo driver to try to read some ESRI geodatabases to feed
> Mapserver.  I'm running Ubuntu Edgy.  The standard Ubuntu gdal didn't have
> PGeo compiled in so I've compiled gdal 1.3.1 (to match the Ubuntu libs) with
> PGeo.  I've created the necessary ODBC connections to the mdb files.  I also
> have the standard mdb-tools package installed.  I'm getting a "stack
> smashing detected" error when trying to read the layers from the mdb file.
> I think I've narrowed it down to reading the SRTEXT field from the
> GDB_SpatialRefs table.  If i put dummy values in the field, it will read the
> tables and give me layers but of course, the SRS is completely wrong.  I've
> compiled gdal with stack protection turned off and then it just segfaults...

...

> I have an sql.log file tracing the odbc calls.  Looks ok until it starts
> selecting the srtext values.  I'm not sure but the buffer length seems to be
> set to 511 where my srtext string is 542 in length.  Could this be the
> problem?  And where can I increase this value?....in the ODBC source?...or
> in gdal? (I've downloaded the odbc source just in case i have to rebuild)
...
> Everything else with gdal seems to run great.  Shape files aren't a problem
> but our GIS department doesn't update the shape files anymore....they work
> in the geodatabases exclusively now.  Our geotiff aerial photos look very
> nice and the gdaltindex stitched them together pretty simply.  I've been
> trying to find the place to set the buffer size but not being a programmer
> has me at a disadvantage.

Ryk,

This sounds like an old but with the CPL ODBC code.  I suspect you need this
patch:

   http://trac.osgeo.org/gdal/changeset/12531

Presumably there is more info available in the associated bug ticket:

   http://trac.osgeo.org/gdal/ticket/1902

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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