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cat: fallback with pipe() failure #11635

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Merged
cakebaker merged 1 commit into from
Apr 4, 2026
Merged

cat: fallback with pipe() failure #11635

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5 changes: 3 additions & 2 deletions src/uu/cat/src/splice.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -34,9 +34,8 @@ pub(super) fn write_fast_using_splice<R: FdReadable, S: AsRawFd + AsFd>(
Err(_) => return Ok(true),
}
}
} else {
} else if let Ok((pipe_rd, pipe_wr)) = pipe() {
// both of in/output are not pipe. needs broker to use splice() with additional costs
let (pipe_rd, pipe_wr) = pipe()?;
loop {
match splice(&handle.reader, &pipe_wr, MAX_ROOTLESS_PIPE_SIZE) {
Ok(0) => return Ok(false),
Expand All @@ -54,6 +53,8 @@ pub(super) fn write_fast_using_splice<R: FdReadable, S: AsRawFd + AsFd>(
Err(_) => return Ok(true),
}
}
} else {
Ok(true)
}
}

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