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  1. Qt
  2. QTBUG-105879

QString::toInt returns 0

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      When running the code below 

      int dataOriginal = 0x80000001; 
QString dataStr = QString::number(dataOriginal, 16); 
bool ok;
int dataInt = dataStr.toInt(&ok, 16);

      the result ends up

      Qt 5.15.10 

      dataOriginal : (hex) ffffffff080000001
dataStr : "ffffffff080000001"
dataInt : 0  
ok : false

      As a reference the result in Qt6.3.1 is

      dataOriginal : (hex) ffffffff080000001
dataStr : "-7fffffff"
dataInt : (hex) ffffffff080000001
ok : true

      How to reproduce

        1. Qtbug105879.zip
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        2. qtbug105879-qt5159-64bit.png
          qtbug105879-qt5159-64bit.png
          247 kB
        3. qtbug105879-qt631-64bit.png
          qtbug105879-qt631-64bit.png
          242 kB
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            thiago Thiago Macieira
            nagrohn Nahomi Gröhn (Inactive)
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              Created:
              Updated:
              Resolved:

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