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printf: show warning message in case of excess arguments

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This commit is contained in:
Dorian Peron 2025-01-29 13:57:20 +01:00
parent 64476fd9da
commit ae6cb8fed3
2 changed files with 14 additions and 2 deletions
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6
tests/by-util/test_printf.rs
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@ -679,7 +679,11 @@ fn char_as_byte() {
#[test]
fn no_infinite_loop() {
new_ucmd!().args(&["a", "b"]).succeeds().stdout_only("a");
new_ucmd!()
.args(&["a", "b"])
.succeeds()
.stdout_is("a")
.stderr_contains("warning: ignoring excess arguments, starting with 'b'");
}
#[test]