[wdiff-bugs] [bug #36546] error executing diff results in undeleted temporary files

[Martin von Gagern]

URL:
  <http://savannah.gnu.org/bugs/?36546>

                 Summary: error executing diff results in undeleted temporary
files
                 Project: wdiff
            Submitted by: gagern
            Submitted on: So 27 Mai 2012 13:24:55 CEST
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: Confirmed
                 Privacy: Public
             Assigned to: gagern
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:

When the diff process spawned by wdiff dies for some reason, wdiff will exit
immediately, without unlinking the temporary files containing the input to
diff. This affects the test suite in particular, as Santiago Vila reported.

Most other places in the code longjmp to signal_label upon interruption, where
the cleaning is performed. But complete_input_program will exit instead.
Perhaps the cleaner solution would be replacing all that longjmp stuff with
some cleanup function to be registered using atexit. That would take care of
all those calls to the error function as well.




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