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tac: lock stdout only once instead for each line

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This commit is contained in:
Adam Reichold 2021-10-06 21:38:08 +02:00
parent e041fda51d
commit 0d583754ca
1 changed files with 4 additions and 2 deletions
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6
src/uu/tac/src/tac.rs
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@ -105,7 +105,8 @@ fn buffer_tac_regex(
pattern: &regex::bytes::Regex, pattern: &regex::bytes::Regex,
before: bool, before: bool,
) -> std::io::Result<()> { ) -> std::io::Result<()> {
let mut out = stdout(); let out = stdout();
let mut out = out.lock();
// The index of the line separator for the current line. // The index of the line separator for the current line.
// //
@ -171,7 +172,8 @@ fn buffer_tac_regex(
/// `separator` appears at the beginning of each line, as in /// `separator` appears at the beginning of each line, as in
/// `"/abc/def"`. /// `"/abc/def"`.
fn buffer_tac(data: &[u8], before: bool, separator: &str) -> std::io::Result<()> { fn buffer_tac(data: &[u8], before: bool, separator: &str) -> std::io::Result<()> {
let mut out = stdout(); let out = stdout();
let mut out = out.lock();
// The number of bytes in the line separator. // The number of bytes in the line separator.
let slen = separator.as_bytes().len(); let slen = separator.as_bytes().len();