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From: "yann at droneaud dot fr" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug time/29461] New: strptime() failed to parse negative %s number
 of seconds since the Epoch, happily produced by strftime()
Date: Mon, 08 Aug 2022 19:29:40 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29461

            Bug ID: 29461
           Summary: strptime() failed to parse negative %s number of
                    seconds since the Epoch, happily produced by
                    strftime()
           Product: glibc
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: time
          Assignee: unassigned at sourceware dot org
          Reporter: yann at droneaud dot fr
  Target Milestone: ---

Created attachment 14267
  --> https://sourceware.org/bugzilla/attachment.cgi?id=3D14267&action=3Ded=
it
strftime(), strptime() %s format test with negative timestamp

strftime(,"%s",) can produce negative number of seconds since the Epoch for
date before the 1970-01-01, but strptime() refuses to parse negative number=
s,
thus is unable to parse the string formatted by strftime().

For example, the attached test case reports the following:

    strftime() produced "-3600"
    strptime() failed to parse "-3600"

--=20
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