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  1. Qt
  2. QTBUG-101178

QByteArrayView::toDouble() should not allocate memory

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    • 5a39173c34 (qt/qtbase/dev) 5a39173c34 (qt/tqtc-qtbase/dev) b33786b378 (qt/qtbase/6.3) b33786b378 (qt/tqtc-qtbase/6.3) b33786b378 (qt/tqtc-qtbase/6.3.0)
    • Team Two Foundation Sprint 52

      We allocate memory in boostrapped or non-double-conversion builds because we copy the input data to make it NUL-terminated for consumption by sscanf. Apart from being extremely inefficient, making parsing a sequence of doubles from a string quadratic, it also prevents functions from becoming noexcept.

        For Gerrit Dashboard: QTBUG-101178
        # Subject Branch Project Status CR V
        397533,3 Don't allocate in qt_asciiToDouble() dev qt/qtbase Status: MERGED +2 0
        397555,1 Don't allocate in qt_asciiToDouble() dev qt/qtbase Status: ABANDONED -1 0
        398014,2 Don't allocate in qt_asciiToDouble() 6.3 qt/qtbase Status: MERGED +2 0

            mmutz Marc Mutz
            mmutz Marc Mutz
            Vladimir Minenko Vladimir Minenko
            Alex Blasche Alex Blasche
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              Created:
              Updated:
              Resolved:

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