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Add more description to c_str::unwrap(). #15119

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Add more description to c_str::unwrap(). #15119

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5 changes: 4 additions & 1 deletion src/librustrt/c_str.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,10 @@ impl CString {
}

/// Unwraps the wrapped `*libc::c_char` from the `CString` wrapper.
/// Any ownership of the buffer by the `CString` wrapper is forgotten.
///
/// The original object is destructed after this method is called, and if
/// the underlying pointer was previously allocated, care must be taken to
/// ensure that it is deallocated properly.
pub unsafe fn unwrap(self) -> *libc::c_char {
let mut c_str = self;
c_str.owns_buffer_ = false;
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