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  1. Qt
  2. QTBUG-105027

QByteArray::count(ch) reports wrong result for more than 2Gi occurrences

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    • 1
    • 84e15f662e (qt/qtbase/dev) 84e15f662e (qt/tqtc-qtbase/dev)
    • Foundation Sprint 61

    Description

      This code fails on 64-bit platforms:

      const QByteArray b(qsizetype(INT_MAX) + 1, 'A');
assert(b.count('A') == b.size());

      There's some truncation going on.

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          resulted from

          Task - A task that needs to be done. QTBUG-103531 Finish migration to qsizetype [qtbase/src/corelib/text]

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          For Gerrit Dashboard: QTBUG-105027
          # Subject Branch Project Status CR V
          422872,1 QByteArray: fix count(ch) for more than 2Gi occurrences 6.4 qt/qtbase Status: NEW 0 0
          422873,1 QByteArray: fix count(ch) for more than 2Gi occurrences 6.3 qt/qtbase Status: NEW 0 0
          422246,2 QByteArray: fix count(ch) for more than 2Gi occurrences dev qt/qtbase Status: MERGED +2 0
          422893,2 QByteArray: fix count(ch) for more than 2Gi occurrences tqtc/lts-6.2 qt/tqtc-qtbase Status: MERGED +2 0

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              mmutz Marc Mutz
              mmutz Marc Mutz
              Vladimir Minenko Vladimir Minenko
              Alex Blasche Alex Blasche
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              Dates

                Created:
                Updated:
                Resolved:

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                  There are 2 open Gerrit changes