Fix integer overflow in firstVisibleLine()

Dax89 / QHexView

A versatile Hexadecimal widget for Qt5

MIT License

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Fix integer overflow in firstVisibleLine() #39

Closed aerosoul94 closed 3 years ago

aerosoul94 commented 3 years ago

An integer overflow occurs while viewing files larger than 34GB's. This causes the widget to not render anything when the first visible line is beyond 0x7ffffffff (note that this is 8 f's).

Scrolling past 0x800000000:

Dax89 commented 3 years ago

Thanks!