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| author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2019-02-13 11:31:14 +0100 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2020-02-20 16:11:02 +0100 |
| commit | 14f1ec186f87ce50037044ccb079463676518ec5 (patch) | |
| tree | 7e0918d1889cc93d52c5e996e79a733b2728e37b /src/plugins/platforms/xcb/qxcbimage.cpp | |
| parent | a99d7cf37213f86c8be55fc80a9785ec9a0d382d (diff) | |
Make bytes-per-line safe for int overflow
Goes through the Qt code and make sure bytes-per-line calculations are
safe when they are too big for 32bit integers.
Change-Id: I88b2d74b3da82e91407d316aa932a4a37587c0cf
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbimage.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbimage.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/plugins/platforms/xcb/qxcbimage.cpp b/src/plugins/platforms/xcb/qxcbimage.cpp index b0e610dd51..5b5c37fac4 100644 --- a/src/plugins/platforms/xcb/qxcbimage.cpp +++ b/src/plugins/platforms/xcb/qxcbimage.cpp @@ -212,7 +212,7 @@ xcb_pixmap_t qt_xcb_XPixmapFromBitmap(QXcbScreen *screen, const QImage &image) } const int width = bitmap.width(); const int height = bitmap.height(); - const int bytesPerLine = bitmap.bytesPerLine(); + const qsizetype bytesPerLine = bitmap.bytesPerLine(); int destLineSize = width / 8; if (width % 8) ++destLineSize; |