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Only trigger write when needed

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mo8it 2024-08-26 04:41:26 +02:00
parent e811dd15b5
commit 74388d4bf4
1 changed files with 4 additions and 2 deletions
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6
src/term.rs
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@ -47,8 +47,10 @@ pub trait CountedWrite<'a> {
impl<'a, 'b> CountedWrite<'b> for MaxLenWriter<'a, 'b> { impl<'a, 'b> CountedWrite<'b> for MaxLenWriter<'a, 'b> {
fn write_ascii(&mut self, ascii: &[u8]) -> io::Result<()> { fn write_ascii(&mut self, ascii: &[u8]) -> io::Result<()> {
let n = ascii.len().min(self.max_len.saturating_sub(self.len)); let n = ascii.len().min(self.max_len.saturating_sub(self.len));
self.stdout.write_all(&ascii[..n])?; if n > 0 {
self.len += n; self.stdout.write_all(&ascii[..n])?;
self.len += n;
}
Ok(()) Ok(())
} }