git.eshelyaron.com Git - emacs.git/commit

]> git.eshelyaron.com Git - emacs.git/commit

author	Philipp Stephani <phst@google.com>
	Mon, 23 Dec 2019 20:24:37 +0000 (21:24 +0100)
committer	Philipp Stephani <phst@google.com>
	Mon, 23 Dec 2019 20:27:23 +0000 (21:27 +0100)
commit	00c9949158e82fc93135ac62013bee1c08161649
tree	e4905c8be7020ad36d54528a3b10d8cbab79cd0b	tree \| snapshot
parent	17c19817f7f4ec918a3a9bb3c957b1aa0463da82	commit \| diff

Remove some undefined behavior related to left shifts.

Found by UBSan.

* src/nsfns.m (ns_set_foreground_color, ns_set_background_color):
* src/nsimage.m (getPixelAtX:Y:):
* src/nsterm.m (ns_color_index_to_rgba): Add explicit casts to avoid
undefined behavior when left-shifting beyond the bounds of the int
type.

* src/macfont.m (METRICS_VALUE): Add explicit casts to avoid undefined
behavior when left-shifting a negative value.

src/macfont.m		diff \| blob \| history
src/nsfns.m		diff \| blob \| history
src/nsimage.m		diff \| blob \| history
src/nsterm.m		diff \| blob \| history

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