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Fix move by zero (#476)

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Michael McDonnell 2020-09-06 05:05:46 -07:00 committed by GitHub
parent c7d8fa3bc1
commit 27a9d7d521
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1 changed files with 20 additions and 4 deletions
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16
src/cursor/ansi.rs
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@ -8,19 +8,35 @@ pub(crate) fn move_to_csi_sequence(f: &mut Formatter, x: u16, y: u16) -> fmt::Re
} }
pub(crate) fn move_up_csi_sequence(f: &mut Formatter, count: u16) -> fmt::Result { pub(crate) fn move_up_csi_sequence(f: &mut Formatter, count: u16) -> fmt::Result {
if count != 0 {
write!(f, csi!("{}A"), count) write!(f, csi!("{}A"), count)
} else {
Ok(())
}
} }
pub(crate) fn move_right_csi_sequence(f: &mut Formatter, count: u16) -> fmt::Result { pub(crate) fn move_right_csi_sequence(f: &mut Formatter, count: u16) -> fmt::Result {
if count != 0 {
write!(f, csi!("{}C"), count) write!(f, csi!("{}C"), count)
} else {
Ok(())
}
} }
pub(crate) fn move_down_csi_sequence(f: &mut Formatter, count: u16) -> fmt::Result { pub(crate) fn move_down_csi_sequence(f: &mut Formatter, count: u16) -> fmt::Result {
if count != 0 {
write!(f, csi!("{}B"), count) write!(f, csi!("{}B"), count)
} else {
Ok(())
}
} }
pub(crate) fn move_left_csi_sequence(f: &mut Formatter, count: u16) -> fmt::Result { pub(crate) fn move_left_csi_sequence(f: &mut Formatter, count: u16) -> fmt::Result {
if count != 0 {
write!(f, csi!("{}D"), count) write!(f, csi!("{}D"), count)
} else {
Ok(())
}
} }
pub(crate) fn move_to_column_csi_sequence(f: &mut Formatter, count: u16) -> fmt::Result { pub(crate) fn move_to_column_csi_sequence(f: &mut Formatter, count: u16) -> fmt::Result {