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Add limit check in scroll_up/down_relative

This commit is contained in:
Joe Wilm 2017-04-30 21:32:11 -07:00 committed by Joe Wilm
parent 7d20d29f37
commit 9c557407d6
1 changed files with 4 additions and 2 deletions
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6
src/term/mod.rs
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@ -960,7 +960,8 @@ impl Term {
/// Expects origin to be in scroll range.
#[inline]
fn scroll_down_relative(&mut self, origin: Line, lines: Line) {
trace!("scroll_down: {}", lines);
trace!("scroll_down_relative: origin={}, lines={}", origin, lines);
let lines = min(lines, self.scroll_region.end - self.scroll_region.start);
// Copy of cell template; can't have it borrowed when calling clear/scroll
let template = self.empty_cell;
@ -981,7 +982,8 @@ impl Term {
/// Expects origin to be in scroll range.
#[inline]
fn scroll_up_relative(&mut self, origin: Line, lines: Line) {
trace!("scroll_up: {}", lines);
trace!("scroll_up_relative: origin={}, lines={}", origin, lines);
let lines = min(lines, self.scroll_region.end - self.scroll_region.start);
// Copy of cell template; can't have it borrowed when calling clear/scroll
let template = self.empty_cell;