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Expand embedded_io::ErrorKind to better match std::io::ErrorKind #698

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30 changes: 30 additions & 0 deletions embedded-io/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,26 @@ pub enum ErrorKind {
OutOfMemory,
/// An attempted write could not write any data.
WriteZero,
/// The filesystem or storage medium is read-only,
/// but a write operation was attempted.
ReadOnlyFilesystem,
/// The underlying storage (typically, a filesystem) is full.
///
/// This does not include out of quota errors.
StorageFull,
/// Seek on unseekable file.
///
/// Seeking was attempted on an open file handle
/// which is not suitable for seeking
NotSeekable,
/// Filesystem quota or some other kind of quota was exceeded.
QuotaExceeded,
/// File larger than allowed or supported.
///
/// This might arise from a hard limit of the underlying filesystem or
/// file access API, or from an administratively imposed resource limitation.
/// Simple disk full, and out of quota, have their own errors.
FileTooLarge,
}

#[cfg(feature = "std")]
Expand All @@ -137,6 +157,11 @@ impl From<ErrorKind> for std::io::ErrorKind {
ErrorKind::Interrupted => std::io::ErrorKind::Interrupted,
ErrorKind::Unsupported => std::io::ErrorKind::Unsupported,
ErrorKind::OutOfMemory => std::io::ErrorKind::OutOfMemory,
ErrorKind::ReadOnlyFilesystem => std::io::ErrorKind::ReadOnlyFilesystem,
ErrorKind::StorageFull => std::io::ErrorKind::StorageFull,
ErrorKind::NotSeekable => std::io::ErrorKind::NotSeekable,
ErrorKind::QuotaExceeded => std::io::ErrorKind::QuotaExceeded,
ErrorKind::FileTooLarge => std::io::ErrorKind::FileTooLarge,
_ => std::io::ErrorKind::Other,
}
}
Expand All @@ -163,6 +188,11 @@ impl From<std::io::ErrorKind> for ErrorKind {
std::io::ErrorKind::Interrupted => ErrorKind::Interrupted,
std::io::ErrorKind::Unsupported => ErrorKind::Unsupported,
std::io::ErrorKind::OutOfMemory => ErrorKind::OutOfMemory,
std::io::ErrorKind::ReadOnlyFilesystem => ErrorKind::ReadOnlyFilesystem,
std::io::ErrorKind::StorageFull => ErrorKind::StorageFull,
std::io::ErrorKind::NotSeekable => ErrorKind::NotSeekable,
std::io::ErrorKind::QuotaExceeded => ErrorKind::QuotaExceeded,
std::io::ErrorKind::FileTooLarge => ErrorKind::FileTooLarge,
_ => ErrorKind::Other,
}
}
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