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Merge pull request #2977 from Dr-Emann/echo_octal_nul

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echo: Allow echo with escapes to work with `\0`
This commit is contained in:
Terts Diepraam 2022-02-01 20:13:53 +01:00 • committed by GitHub
commit 87e582b5e0
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2 changed files with 11 additions and 6 deletions
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5
src/uu/echo/src/echo.rs
View file

@ -88,10 +88,7 @@ fn print_escaped(input: &str, mut output: impl Write) -> io::Result<bool> {
start = 0; start = 0;
next next
}), }),
'0' => parse_code(&mut iter, 8, 3, 3).unwrap_or_else(|| { '0' => parse_code(&mut iter, 8, 3, 3).unwrap_or('\0'),
start = 0;
next
}),
_ => { _ => {
start = 0; start = 0;
next next

12
tests/by-util/test_echo.rs
View file

@ -138,11 +138,19 @@ fn test_escape_short_octal() {
} }
#[test] #[test]
fn test_escape_no_octal() { fn test_escape_nul() {
new_ucmd!() new_ucmd!()
.args(&["-e", "foo\\0 bar"]) .args(&["-e", "foo\\0 bar"])
.succeeds() .succeeds()
.stdout_only("foo\\0 bar\n"); .stdout_only("foo\0 bar\n");
}
#[test]
fn test_escape_octal_invalid_digit() {
new_ucmd!()
.args(&["-e", "foo\\08 bar"])
.succeeds()
.stdout_only("foo\u{0}8 bar\n");
} }
#[test] #[test]