[postgis-users] shp2pgsql crashes

[Frank Warmerdam]

Alex Rice wrote:
> 
> On Tuesday, July 16, 2002, at 07:19  AM, Frank Warmerdam wrote:
> 
>> Alex,
>>
>> I am the maintainer of Shapelib (dbfopen.c, shpopen.c, shapefil.h) 
>> though not
>> of shp2pgsql.  Could you give me any more information on why you think 
>> dbfopen
>> has a problem with long filenames?  I am looking at the current dbfopen.c
>> source and I can see no limitations about long filenames.
>>
>> If there is a problem in my code, I would be happy to try and fix it.
> 
> 
> Hi Frank. I looked at dbfopen.c and could not see any particular problem 
> either. I'm trying to deduce what's causing the crashes with shp2pgsql. 
> Here is what i know. I'm going to cc: the list in case anyone else can 
> see it.
> 
> - shp2pgsql was crashing on a certain set of shapefiles, on Mac OS X (I 
> mentioned these on the list)
> - all of those crashing filenames were > 8.3.
> - some other > 8.3 filenames imported fine, however.
> - renaming the problematic files to 8.3 or shorter removed the crashing 
> condition.
> - the stack trace points to DBFReadAttribute() dbfopen.c
> 
> Here are a couple of examples:

Alex,

Could you send me a sample set that demonstrates the problem?  I can't see
any reasont he filenames *should* make a difference, so it may be some other
sort of memory corruption, and changing the filename length moves stuff around
enough to prevent the crash.

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