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env: prevent panic when unsetting invalid variable

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Thomas Queiroz 2021-11-02 19:22:03 -03:00
parent db00fab7e4
commit 3d74e7b452
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1 changed files with 7 additions and 0 deletions
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7
src/uu/env/src/env.rs vendored
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@ -244,6 +244,13 @@ fn run_env(args: impl uucore::Args) -> UResult<()> {
// unset specified env vars
for name in &opts.unsets {
if name.is_empty() || name.contains(0 as char) || name.contains('=') {
return Err(USimpleError::new(
125,
format!("cannot unset {}: Invalid argument", name.quote()),
));
}
env::remove_var(name);
}