| use std::error::Error; |
| use std::fmt; |
| |
| /// The error type returned on unsupported platforms. |
| /// |
| /// On unsupported platforms, all operations will fail with an `io::Error` with |
| /// a kind `io::ErrorKind::Other` and an `UnsupportedPlatformError` error as the inner error. |
| /// While you *could* check the inner error, it's probably simpler just to check |
| /// `xattr::SUPPORTED_PLATFORM`. |
| /// |
| /// This error mostly exists for pretty error messages. |
| #[derive(Copy, Clone, Debug)] |
| pub struct UnsupportedPlatformError; |
| |
| impl Error for UnsupportedPlatformError { |
| fn description(&self) -> &str { |
| "unsupported platform" |
| } |
| } |
| |
| impl fmt::Display for UnsupportedPlatformError { |
| fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| write!( |
| f, |
| "unsupported platform, please file a bug at `https://github.com/Stebalien/xattr'" |
| ) |
| } |
| } |