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rust: Replace two `unwrap()`s in FFI code with `unwrap_or()`s.

This commit is contained in:
Isis Lovecruft 2018-02-10 01:21:31 +00:00
parent d9826b0a30
commit 45c59eff6c
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GPG Key ID: B8938BC5E86C046F
2 changed files with 2 additions and 2 deletions
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2
src/rust/protover/ffi.rs
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@ -232,7 +232,7 @@ pub extern "C" fn protover_compute_for_old_tor(version: *const c_char) -> *const
// we can see that the bytes we're passing into it 1) are valid UTF-8,
// 2) have no intermediate NUL bytes, and 3) are terminated with a NUL
// byte.
supported = CStr::from_bytes_with_nul(elder_protocols).unwrap();
supported = CStr::from_bytes_with_nul(elder_protocols).unwrap_or(empty);
supported.as_ptr()
}

2
src/rust/protover/protover.rs
View File

@ -110,7 +110,7 @@ pub fn get_supported_protocols() -> &'static str {
// The `unwrap` is safe becauase we SUPPORTED_PROTOCOLS is under
// our control.
str::from_utf8(&SUPPORTED_PROTOCOLS[..SUPPORTED_PROTOCOLS.len() - 1])
.unwrap()
.unwrap_or("")
}
pub struct SupportedProtocols(HashMap<Proto, Versions>);