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* [Bug libc/15524] New: clock() behaves incorrectly on overflow
@ 2013-05-23 20:24 bugdal at aerifal dot cx
  2014-06-13 17:37 ` [Bug libc/15524] " fweimer at redhat dot com
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: bugdal at aerifal dot cx @ 2013-05-23 20:24 UTC (permalink / raw)
  To: glibc-bugs

http://sourceware.org/bugzilla/show_bug.cgi?id=15524

             Bug #: 15524
           Summary: clock() behaves incorrectly on overflow
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: unassigned@sourceware.org
        ReportedBy: bugdal@aerifal.cx
                CC: drepper.fsp@gmail.com
    Classification: Unclassified


According to the Austin Group interpretation for issue 686
(http://austingroupbugs.net/view.php?id=686), the current behavior of clock()
on 32-bit systems, wrapping when it overflows the range of clock_t, is
non-conforming to the requirements of ISO C, which require returning
(clock_t)-1 if the result is not representable.

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* [Bug libc/15524] clock() behaves incorrectly on overflow
  2013-05-23 20:24 [Bug libc/15524] New: clock() behaves incorrectly on overflow bugdal at aerifal dot cx
@ 2014-06-13 17:37 ` fweimer at redhat dot com
  2015-08-24 11:38 ` [Bug libc/15524] [DR#437] " jsm28 at gcc dot gnu.org
  2015-08-27 22:15 ` [Bug time/15524] " jsm28 at gcc dot gnu.org
  2 siblings, 0 replies; 4+ messages in thread
From: fweimer at redhat dot com @ 2014-06-13 17:37 UTC (permalink / raw)
  To: glibc-bugs

https://sourceware.org/bugzilla/show_bug.cgi?id=15524

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
              Flags|                            |security-

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* [Bug libc/15524] [DR#437] clock() behaves incorrectly on overflow
  2013-05-23 20:24 [Bug libc/15524] New: clock() behaves incorrectly on overflow bugdal at aerifal dot cx
  2014-06-13 17:37 ` [Bug libc/15524] " fweimer at redhat dot com
@ 2015-08-24 11:38 ` jsm28 at gcc dot gnu.org
  2015-08-27 22:15 ` [Bug time/15524] " jsm28 at gcc dot gnu.org
  2 siblings, 0 replies; 4+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2015-08-24 11:38 UTC (permalink / raw)
  To: glibc-bugs

https://sourceware.org/bugzilla/show_bug.cgi?id=15524

Joseph Myers <jsm28 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |SUSPENDED
            Summary|clock() behaves incorrectly |[DR#437] clock() behaves
                   |on overflow                 |incorrectly on overflow

--- Comment #1 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
C11 DR#437 is still open, but the currently proposed TC says the return value
should be unspecified on overflow, so allowing existing widespread
implementation practice.

http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1931.htm#dr_437

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* [Bug time/15524] [DR#437] clock() behaves incorrectly on overflow
  2013-05-23 20:24 [Bug libc/15524] New: clock() behaves incorrectly on overflow bugdal at aerifal dot cx
  2014-06-13 17:37 ` [Bug libc/15524] " fweimer at redhat dot com
  2015-08-24 11:38 ` [Bug libc/15524] [DR#437] " jsm28 at gcc dot gnu.org
@ 2015-08-27 22:15 ` jsm28 at gcc dot gnu.org
  2 siblings, 0 replies; 4+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2015-08-27 22:15 UTC (permalink / raw)
  To: glibc-bugs

https://sourceware.org/bugzilla/show_bug.cgi?id=15524

Joseph Myers <jsm28 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|libc                        |time

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end of thread, other threads:[~2015-08-27 22:15 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-05-23 20:24 [Bug libc/15524] New: clock() behaves incorrectly on overflow bugdal at aerifal dot cx
2014-06-13 17:37 ` [Bug libc/15524] " fweimer at redhat dot com
2015-08-24 11:38 ` [Bug libc/15524] [DR#437] " jsm28 at gcc dot gnu.org
2015-08-27 22:15 ` [Bug time/15524] " jsm28 at gcc dot gnu.org

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