feat(libarchive): wrap io errors as well

libarchive/src/error.rs

@@ -19,6 +19,7 @@ pub enum ArchiveError {
     Consumed,
     HeaderPosition,
     Sys(ErrCode, String),
+    IO(io::Error),
 }
 
 impl error::Error for ArchiveError {}
@@ -31,6 +32,7 @@ impl fmt::Display for ArchiveError {
             ArchiveError::Sys(ref code, ref msg) => {
                 write!(fmt, "{} (libarchive err_code={})", msg, code)
             }
+            ArchiveError::IO(ref err) => write!(fmt, "{}", err),
         }
     }
 }
@@ -52,6 +54,15 @@ impl<'a> From<&'a dyn archive::Handle> for Result<()> {
 
 impl From<ArchiveError> for io::Error {
     fn from(err: ArchiveError) -> Self {
-        io::Error::new(io::ErrorKind::Other, format!("{}", err))
+        match err {
+            ArchiveError::IO(io_err) => io_err,
+            _ => io::Error::new(io::ErrorKind::Other, format!("{}", err)),
+        }
+    }
+}
+
+impl From<io::Error> for ArchiveError {
+    fn from(err: io::Error) -> Self {
+        ArchiveError::IO(err)
     }
 }

libarchive/src/write/file.rs

@@ -35,7 +35,7 @@ impl FileWriter {
         &mut self,
         entry: &mut WriteEntry,
         path: P,
-    ) -> io::Result<()> {
+    ) -> crate::Result<()> {
         unsafe {
             match ffi::archive_write_header(self.handle_mut(), entry.entry_mut()) {
                 ffi::ARCHIVE_OK => (),
@@ -62,7 +62,7 @@ impl FileWriter {
                 },
                 Err(err) => match err.kind() {
                     io::ErrorKind::Interrupted => (),
-                    _ => return Err(err),
+                    _ => return Err(err.into()),
                 },
             };
         }