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readlink: symlink loop handling (#3717)

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readlink: fix symlink loop handling
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Niyaz Nigmatullin 2022-07-14 23:32:55 +03:00 • committed by GitHub
parent 882cd527ff
commit 0ea3a735ca
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2 changed files with 12 additions and 1 deletions
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10
tests/by-util/test_readlink.rs
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@ -70,3 +70,13 @@ fn test_long_redirection_to_root() {
println!("expect: {:?}", expect);
assert_eq!(actual, expect);
}
#[test]
fn test_symlink_to_itself_verbose() {
let (at, mut ucmd) = at_and_ucmd!();
at.relative_symlink_file("a", "a");
ucmd.args(&["-ev", "a"])
.fails()
.code_is(1)
.stderr_contains("Too many levels of symbolic links");
}