diff options
| 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/styles/mac/qmacstyle_mac.mm | |
| 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/styles/mac/qmacstyle_mac.mm')
| -rw-r--r-- | src/plugins/styles/mac/qmacstyle_mac.mm | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/plugins/styles/mac/qmacstyle_mac.mm b/src/plugins/styles/mac/qmacstyle_mac.mm index e2599e8c6b..d45ee1a694 100644 --- a/src/plugins/styles/mac/qmacstyle_mac.mm +++ b/src/plugins/styles/mac/qmacstyle_mac.mm @@ -2766,12 +2766,12 @@ int QMacStyle::styleHint(StyleHint sh, const QStyleOption *opt, const QWidget *w } const QRgb *sptr = (QRgb*)img.bits(), *srow; - const int sbpl = img.bytesPerLine(); + const qsizetype sbpl = img.bytesPerLine(); const int w = sbpl/4, h = img.height(); QImage img_mask(img.width(), img.height(), QImage::Format_ARGB32); QRgb *dptr = (QRgb*)img_mask.bits(), *drow; - const int dbpl = img_mask.bytesPerLine(); + const qsizetype dbpl = img_mask.bytesPerLine(); for (int y = 0; y < h; ++y) { srow = sptr+((y*sbpl)/4); |