AWARE [SYSTEMS] Imaging expertise for the Delphi developer
AWare Systems, Imaging expertise for the Delphi developer, Home TIFF and LibTiff Mailing List Archive

LibTiff Mailing List

TIFF and LibTiff Mailing List Archive
September 2005

Previous Thread
Next Thread

Previous by Thread
Next by Thread

Previous by Date
Next by Date

Contact

The TIFF Mailing List Homepage
This list is run by Frank Warmerdam
Archive maintained by AWare Systems



Valid HTML 4.01!



Thread

2005.09.09 22:53 "TIFFTAG_DATETIME", by Bob Friesenhahn
2005.09.10 17:55 "Re: TIFFTAG_DATETIME", by Andrey Kiselev
2005.09.10 23:01 "Re: TIFFTAG_DATETIME", by Bob Friesenhahn
2005.09.10 23:55 "Re: TIFFTAG_DATETIME", by Frank Warmerdam
2005.09.11 04:22 "Re: TIFFTAG_DATETIME", by Bob Friesenhahn

2005.09.11 04:22 "Re: TIFFTAG_DATETIME", by Bob Friesenhahn

On Sat, 10 Sep 2005, Frank Warmerdam wrote:
>
> 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.

The bug does sound pretty important.

Unlike some OSs, Solaris's malloc() runs without any seat belt. 
Memory deallocation errors may cause problems later in program 
operation rather than resulting in an immediate diagnostic.

Bob
======================================
Bob Friesenhahn
bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/