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#[derive(Debug)]
pub struct IoError {
pub(crate) original: std::io::Error,
pub(crate) path: Option<std::path::PathBuf>,
#[cfg(feature = "backtrace")]
pub(crate) backtrace: backtrace::Backtrace,
}
pub type IoResult<T> = Result<T, IoError>;
impl std::error::Error for IoError {}
impl std::fmt::Display for IoError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let path = if let Some(path) = &self.path {
path.to_string_lossy()
} else {
"(unknown path)".into()
};
cfg_if::cfg_if! {
if #[cfg(feature = "backtrace")] {
write!(
f,
"ffs::IoError at path '{}': {}\nbacktrace:\n{:?}",
path, self.original, self.backtrace
)
} else {
write!(
f,
"ffs::IoError at path '{}': {}",
path, self.original
)
}
}
}
}
impl IoError {
pub fn into_inner(self) -> std::io::Error {
self.original
}
pub fn new(original: std::io::Error, path: std::path::PathBuf) -> Self {
let path = Some(path);
cfg_if::cfg_if! {
if #[cfg(feature = "backtrace")] {
Self {original, path, backtrace: backtrace::Backtrace::new() }
} else {
Self {original, path }
}
}
}
}