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March 2017

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2017.03.17 14:29 "TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Dinesh Iyer
2017.03.17 14:53 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Bob Friesenhahn
2017.03.17 15:53 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Dinesh Iyer
2017.03.17 16:07 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Dinesh Iyer
2017.03.17 17:01 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Dinesh Iyer
2017.03.17 17:06 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Bob Friesenhahn
2017.03.17 17:19 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Yakov Galka
2017.03.17 17:02 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Bob Friesenhahn
2017.03.17 21:02 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by <rleigh@codelibre.net>
2017.03.17 21:08 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Bob Friesenhahn
2017.03.17 22:23 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Roger Leigh
2017.03.17 22:40 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Paavo Helde
2017.03.17 23:03 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Bob Friesenhahn
2017.03.18 10:53 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Yakov Galka

2017.03.17 17:06 "Re: TIFFSetErrorHandler vs TIFFSetErrorHandlerExt", by Bob Friesenhahn

On Fri, 17 Mar 2017, Dinesh Iyer wrote:

> Hi Bob,
> It look like I need to to use TIFFClientOpen to open the file and pass in
> my own routines for reading/writing seeking if I need to pass in client
> data. Am I correct? This appears to be rather wasteful if all I want to do
> is pass some client data. Is there a way to force the library to use
> defaults if one is not provided?

I think you are correct, particularly if the problem occurs while 
opening the TIFF file.  Consider using thread specific data if is 
easier for you than adding an I/O wrapper.

If there is only ever one thread then global data can work as well.

Libtiff API additions could solve these issues.

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