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uucore: remove string leak in format_usage

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Terts Diepraam 2022-10-13 17:47:06 +02:00
parent 84b7ecd32d
commit d6753d8914
1 changed files with 3 additions and 3 deletions
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6
src/uucore/src/lib/lib.rs
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@ -98,10 +98,10 @@ macro_rules! bin {
/// Generate the usage string for clap. /// Generate the usage string for clap.
/// ///
/// This function replaces all occurrences of `{}` with the execution phrase /// This function replaces all occurrences of `{}` with the execution phrase
/// and leaks the result to return a `&'static str`. It does **not** support /// and returns the resulting `String`. It does **not** support
/// more advanced formatting features such as `{0}`. /// more advanced formatting features such as `{0}`.
pub fn format_usage(s: &str) -> &'static str { pub fn format_usage(s: &str) -> String {
&*Box::leak(s.replace("{}", crate::execution_phrase()).into_boxed_str()) s.replace("{}", crate::execution_phrase())
} }
pub fn get_utility_is_second_arg() -> bool { pub fn get_utility_is_second_arg() -> bool {