[Octave-bug-tracker] [bug #59942] Warning about Jasper library after using graphics

[anonymous]

URL:
  <https://savannah.gnu.org/bugs/?59942>

                 Summary: Warning about Jasper library after using graphics
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Mon 25 Jan 2021 10:52:09 PM UTC
                Category: Libraries
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Unexpected Error or Warning
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
                 Release: dev
         Discussion Lock: Any
        Operating System: GNU/Linux

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Details:

On exiting from Octave 7.0.0 after running a graphics-heavy script, the
following message showed up.


octave:9> exit
WARNING!!! WARNING!!! WARNING!!! WARNING!!! WARNING!!! WARNING!!!
WARNING!!! WARNING!!! WARNING!!! WARNING!!! WARNING!!! WARNING!!!
WARNING!!! WARNING!!! WARNING!!! WARNING!!! WARNING!!! WARNING!!!
YOUR CODE IS RELYING ON DEPRECATED FUNCTIONALTIY IN THE JASPER LIBRARY.
THIS FUNCTIONALITY WILL BE REMOVED IN THE NEAR FUTURE.
PLEASE FIX THIS PROBLEM BEFORE YOUR CODE STOPS WORKING!
The specific problem is as follows:
negative buffer size for jas_stream_memopen


There was no reference to the Jasper library or jas_stream_memopen within the
Octave codebase, only to an unrelated person named Jasper. A web search
indicated it may be related to the Qt libraries used by Octave, so it is being
reported as an early warning of external library changes.

The external source for the Jasper library is here according to a web search:
https://github.com/jasper-software/jasper/commit/634ce8e8a5accc0fa05dd2c20d42b4749d4b2735





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