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LibVT: Fix off-by-ones in ED (Erase in Display) and EL (Erase in Line)

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This commit is contained in:
Andreas Kling 2020-01-25 20:51:49 +01:00
parent edbe7d3769
commit 4ed5c13792
Notes: sideshowbarker 2024-07-19 09:49:34 +09:00
1 changed files with 3 additions and 3 deletions
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6
Libraries/LibVT/Terminal.cpp
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@ -411,7 +411,7 @@ void Terminal::escape$K(const ParamVector& params)
break;
case 1:
// Clear from cursor to beginning of line.
for (int i = 0; i < m_cursor_column; ++i) {
for (int i = 0; i <= m_cursor_column; ++i) {
put_character_at(m_cursor_row, i, ' ');
}
break;
@ -444,8 +444,8 @@ void Terminal::escape$J(const ParamVector& params)
}
break;
case 1:
/// Clear from cursor to beginning of screen
for (int i = m_cursor_column - 1; i >= 0; --i)
// Clear from cursor to beginning of screen.
for (int i = m_cursor_column; i >= 0; --i)
put_character_at(m_cursor_row, i, ' ');
for (int row = m_cursor_row - 1; row >= 0; --row) {
for (int column = 0; column < m_columns; ++column) {