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less: Fix crash on empty input

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Rummskartoffel 2022-01-07 22:12:07 +01:00 • committed by Linus Groh
parent a69598a670
commit f9c4f65e1f
1 changed files with 5 additions and 0 deletions
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5
Userland/Utilities/less.cpp
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@ -428,6 +428,11 @@ private:
void calculate_end() void calculate_end()
{ {
if (m_lines.is_empty()) {
m_end_line = 0;
m_end_subline = 0;
return;
}
size_t end_line = m_lines.size() - 1; size_t end_line = m_lines.size() - 1;
size_t end_subline = sublines(end_line).size() - 1; size_t end_subline = sublines(end_line).size() - 1;
line_subline_add(end_line, end_subline, -(m_height - 1), false); line_subline_add(end_line, end_subline, -(m_height - 1), false);