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Merge pull request #8135 from willshuttleworth/stty-set-undefined

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stty: fix mappings with empty string literal args
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Will Shuttleworth 2025-06-16 03:45:11 -04:00 • committed by GitHub
parent 6023888363
commit 01ac6dfd18
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GPG key ID: B5690EEEBB952194
2 changed files with 37 additions and 3 deletions
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2
src/uu/stty/src/stty.rs
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@ -598,7 +598,7 @@ fn apply_char_mapping(termios: &mut Termios, mapping: &(SpecialCharacterIndices,
//
// This function returns the ascii value of valid control chars, or ControlCharMappingError if invalid
fn string_to_control_char(s: &str) -> Result<u8, ControlCharMappingError> {
if s == "undef" || s == "^-" {
if s == "undef" || s == "^-" || s.is_empty() {
return Ok(0);
}

38
tests/by-util/test_stty.rs
View file

@ -22,11 +22,11 @@ fn runs() {
#[test]
#[ignore = "Fails because cargo test does not run in a tty"]
fn print_all() {
let res = new_ucmd!().succeeds();
let res = new_ucmd!().args(&["--all"]).succeeds();
// Random selection of flags to check for
for flag in [
"parenb", "parmrk", "ixany", "iuclc", "onlcr", "ofdel", "icanon", "noflsh",
"parenb", "parmrk", "ixany", "onlcr", "ofdel", "icanon", "noflsh",
] {
res.stdout_contains(flag);
}
@ -167,3 +167,37 @@ fn invalid_baud_setting() {
.fails()
.stderr_contains("invalid ospeed '995'");
}
#[test]
#[ignore = "Fails because cargo test does not run in a tty"]
fn set_mapping() {
new_ucmd!().args(&["intr", "'"]).succeeds();
new_ucmd!()
.args(&["--all"])
.succeeds()
.stdout_contains("intr = '");
new_ucmd!().args(&["intr", "undef"]).succeeds();
new_ucmd!()
.args(&["--all"])
.succeeds()
.stdout_contains("intr = <undef>");
new_ucmd!().args(&["intr", "^-"]).succeeds();
new_ucmd!()
.args(&["--all"])
.succeeds()
.stdout_contains("intr = <undef>");
new_ucmd!().args(&["intr", ""]).succeeds();
new_ucmd!()
.args(&["--all"])
.succeeds()
.stdout_contains("intr = <undef>");
new_ucmd!().args(&["intr", "^C"]).succeeds();
new_ucmd!()
.args(&["--all"])
.succeeds()
.stdout_contains("intr = ^C");
}