[mythtv-commits] Ticket #7160: Implicit sign extension
MythTV
mythtv at cvs.mythtv.org
Fri Sep 25 16:53:45 UTC 2009
#7160: Implicit sign extension
---------------------------------------------+------------------------------
Reporter: Erik Hovland <erik at hovland.org> | Owner: ijr
Type: defect | Status: new
Priority: trivial | Milestone: unknown
Component: MythTV - General | Version: head
Severity: low | Mlocked: 0
---------------------------------------------+------------------------------
When going from one fixed signed type to a larger (signed or unsigned)
through implicit casting, the caller might be accidentally extending the
sign bit. It is likely better to explicitly cast before manipulation to
the final value. There is a case of this implicit sign extension in
FrequencyListDescriptor::Frequency() in libmythtv.
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Ticket URL: <http://svn.mythtv.org/trac/ticket/7160>
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