[gs-bugs] [Bug 691249] GS crash when executed by GSView's 'File'-'Convert'

[bugzilla-daemon at ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=691249

--- Comment #1 from SaGS <sags5495 at hotmail.com> 2010-04-18 08:45:07 UTC ---
Created an attachment (id=6164)
 --> (http://bugs.ghostscript.com/attachment.cgi?id=6164)
Suggested patch.

Fix: 2 ex-global variables were not initialized immediately after 
being allocated. Bug 691249.

Not initializing io_device_table to NULL produces a crash if the 1st 
argument processed is an ‘@file’. This happens for example when 
Ghostscript is called by GSWiev’s ‘File’/ ‘Convert...’ function, or 
when GS_OPTIONS starts with an ‘@file’ argument.

While I do not know of (and neither looked for) any adverse effect 
of not initializing gs_name_table early, the patch does initialize 
this variable too. I consider this to be good practice, as it makes 
the code more robust.

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