Re: Pango/GLib debugging in VS2015
- From: Jeffrey Sheen <jeffrey sheen00 alumni imperial ac uk>
- To: gtk-list gnome org
- Subject: Re: Pango/GLib debugging in VS2015
- Date: Tue, 6 Jun 2017 00:35:49 +0100
N.B. I've found pdb files related to the GTK DLLs distributed as part of the hexchat gtk-win32 project (
https://github.com/hexchat/gtk-win32).
Executing with these in place, the VS 2015 debugger is showing me that there is an intermittent issue when "pango_layout_clear_lines" is called.
Ultimately a NULL pointer is passed to glib's "magazine_chain_prepare_fields" function.
The issue can be recreated by creating and destroying a UI dialogue a specific number of times. Each text block in the UI dialogue is rendered by creating and destroying PangoLayout and PangoFontDescription objects.
As this is an intermittent issue, and at a glib memory management level, I am not sure how to proceed.
Any advice would be appreciated.
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