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authorPaul Eggert2012-06-28 08:50:11 -0700
committerPaul Eggert2012-06-28 08:50:11 -0700
commitaa754e6a9ef5fb65e6a4f582101d7284adc01656 (patch)
tree7e9e88060fe037dfa4816c2c1904d3f263c0395f /src/ChangeLog
parent80b00b0885b8e124a208dfc9de95d2039a101108 (diff)
downloademacs-aa754e6a9ef5fb65e6a4f582101d7284adc01656.tar.gz
emacs-aa754e6a9ef5fb65e6a4f582101d7284adc01656.zip
Avoid integer overflow on scroll-left and scroll-right.
* window.c (HSCROLL_MAX): New macro. (Fscroll_left, Fscroll_right): Avoid undefined behavior on integer overflow when requested scroll falls outside ptrdiff_t range.
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12012-06-28 Paul Eggert <eggert@cs.ucla.edu>
2
3 Avoid integer overflow on scroll-left and scroll-right.
4 * window.c (HSCROLL_MAX): New macro.
5 (Fscroll_left, Fscroll_right): Avoid undefined behavior on integer
6 overflow when requested scroll falls outside ptrdiff_t range.
7
12012-06-28 Dmitry Antipov <dmantipov@yandex.ru> 82012-06-28 Dmitry Antipov <dmantipov@yandex.ru>
2 9
3 * window.h (struct window): Change type of 'hscroll', 10 * window.h (struct window): Change type of 'hscroll',