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yes: fix wrong assumption for stdout (#12249)

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oech3
2026-05-12 11:47:12 +02:00
committed by GitHub
parent 398b3d962e
commit 0b04f5ec69
1 changed files with 3 additions and 3 deletions
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src/uu/yes/src/yes.rs
+3 -3
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@@ -119,11 +119,11 @@ pub fn exec(mut bytes: Vec<u8>) -> io::Result<()> {
repeat_content_to_capacity(&mut bytes);
let bytes = bytes.as_slice();
let mut stdout = io::stdout(); // no need to lock with zero-copy
// improve throughput
let _ = rustix::pipe::fcntl_setpipe_size(&stdout, MAX_ROOTLESS_PIPE_SIZE);
// don't show any error from fast-path and fallback to write for proper message
if let Ok((p_read, mut p_write)) = pipe()
// todo: zero-copy with default size when fcntl failed
&& rustix::pipe::fcntl_setpipe_size(&stdout, MAX_ROOTLESS_PIPE_SIZE).is_ok()
&& p_write.write_all(bytes).is_ok()
&& p_write.write_all(bytes).is_ok()
{
if aligned && tee(&p_read, &stdout, MAX_ROOTLESS_PIPE_SIZE).is_ok() {
while let Ok(1..) = tee(&p_read, &stdout, MAX_ROOTLESS_PIPE_SIZE) {}