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September 2005
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2005.09.10 23:55 "Re: TIFFTAG_DATETIME", by Frank Warmerdam
On 9/10/05, Bob Friesenhahn wrote: > A GraphicsMagick user was complaining that sometimes there was a crash > after this tag was read. This is when using libtiff 3.7.3. 64-bit > Solaris 10 SPARC was mentioned, but I think the user reported failures > on a different system as well. Bob, I made a fix in libtiff a few days ago which related to a double free for strings for custom tags. As an experiment back when I started custom tags, I made TIFFTAG_DATETIME get handled through the custom mechanism to excercise things. I suspect this is the bug you ran into. I think it would be a good idea for us to find out when this problem was introduced in libtiff, and issue a new release soon with the fix. It handle occured to me before that there were any custom tags in common use that would make this a major bug. But now that I see this problem cound affect many libtiff users I think we need to push out a bug fix release. Best regards, -- ---------------------------------------+-------------------------------------- I set the clouds in motion - turn up | Frank Warmerdam, warmerdam@pobox.com light and sound - activate the windows | http://pobox.com/~warmerdam and watch the world go round - Rush | Geospatial Programmer for Rent