[Users] [Bug 2862] New: Segmentation fault when replying to a message where the "code conversion" fails

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http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=2862

            Bug ID: 2862
           Summary: Segmentation fault when replying to a message where
                    the "code conversion" fails
    Classification: Unclassified
           Product: Claws Mail
           Version: 3.9.0
          Hardware: PC
                OS: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Other
          Assignee: users at lists.claws-mail.org
          Reporter: fk at fabiankeil.de

Created attachment 1218
  -->
http://www.thewildbeast.co.uk/claws-mail/bugzilla/attachment.cgi?id=1218&action=edit
Fix a segmentation fault in procmime_scan_text_content() in  case of conversion
failures

On my system (FreeBSD 10-Current amd64) trying to reply to:
http://lists.freebsd.org/pipermail/freebsd-current/2013-January/039176.html
reliably causes claws-mail 3.9.0 to segfault in procmime_scan_text_content().

claws-mail-3.9.0cvs55 should still be affected, but I only checked the code.

The attached patch prevents the NULL pointer dereferencing and
causes claws-mail to quote an empty message instead.

>From a usability point of view it might be preferable to quote the
unconverted text (risking incorrectly displayed characters), but from
the code it's not clear to me if this is the intended behavior.

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