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IDProjectCategoryView StatusDate SubmittedLast Update
0001586graphvizOutput Generationpublic2009-04-07 04:502011-04-28 04:03
Assigned Togviz 
PlatformOS*-*-OS Version
Summary0001586: Expose a public function to override error function

The errorfn set in gvNEWcontext() can't be overridden outside GraphViz
because the struct GVC_s defined in gvcint.h is not exposed.

Is it possible to provide a public function to override the errorfn
so that I can redirect error messages to some places other than console?

Additional Information

[erg] If you just want to keep messages from going to the console, call


In general, error handling needs to be redone. A library should not call exit() without involving the application.

[josh] The use of agseterror(AGMAX) doesn't meet my need. What I want to do is to redirect error messages from console to my GUI widget. I searched all public functions in GraphViz and couldn't find one that does

    gvc->common.errorfn = my_function;

As you said, you are planning to rewrite the error handling part of GraphViz. Any schedule set?
TagsNo tags attached.
VERSION     2.22.2
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- Issue History
Date Modified Username Field Change
2011-04-28 04:03 user1 New Issue
2011-04-28 04:03 user1 Assigned To => user1

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