------------------------------------------------------------
revno: 108791
committer: Paul Eggert <
eggert@cs.u...>
branch nick: trunk
timestamp: Thu 2012-06-28 08:50:11 -0700
message:
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.
modified:
src/ChangeLog
src/window.c
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