diff options
| -rw-r--r-- | library/core/src/ffi/c_str.rs | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/library/core/src/ffi/c_str.rs b/library/core/src/ffi/c_str.rs index 881a7a24083..c43f3834630 100644 --- a/library/core/src/ffi/c_str.rs +++ b/library/core/src/ffi/c_str.rs @@ -135,16 +135,20 @@ pub enum FromBytesWithNulError { } #[stable(feature = "frombyteswithnulerror_impls", since = "1.17.0")] -impl Error for FromBytesWithNulError { - #[allow(deprecated)] - fn description(&self) -> &str { +impl fmt::Display for FromBytesWithNulError { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match self { - Self::InteriorNul { .. } => "data provided contains an interior nul byte", - Self::NotNulTerminated => "data provided is not nul terminated", + Self::InteriorNul { position } => { + write!(f, "data provided contains an interior nul byte at byte position {position}") + } + Self::NotNulTerminated => write!(f, "data provided is not nul terminated"), } } } +#[stable(feature = "frombyteswithnulerror_impls", since = "1.17.0")] +impl Error for FromBytesWithNulError {} + /// An error indicating that no nul byte was present. /// /// A slice used to create a [`CStr`] must contain a nul byte somewhere @@ -181,18 +185,6 @@ impl Default for &CStr { } } -#[stable(feature = "frombyteswithnulerror_impls", since = "1.17.0")] -impl fmt::Display for FromBytesWithNulError { - #[allow(deprecated, deprecated_in_future)] - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(self.description())?; - if let Self::InteriorNul { position } = self { - write!(f, " at byte pos {position}")?; - } - Ok(()) - } -} - impl CStr { /// Wraps a raw C string with a safe C string wrapper. /// |