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src/pxar/decoder.rs: Add comment for unsolved issue and refactor if statement.

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Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
This commit is contained in:
Christian Ebner 2019-09-05 13:17:40 +02:00 committed by Dietmar Maurer
parent 2a05048b93
commit 132cb0d0db
1 changed files with 8 additions and 8 deletions
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16
src/pxar/decoder.rs
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@ -98,6 +98,10 @@ impl<R: Read + Seek, F: Fn(&Path) -> Result<(), Error>> Decoder<R, F> {
let head: PxarHeader = self.inner.read_item()?;
if head.htype == PXAR_FORMAT_HARDLINK {
let (_, offset) = self.inner.read_hardlink(head.size)?;
// TODO: Howto find correct end offset for hardlink target?
// This is a bit tricky since we cannot find correct end in an efficient
// way, on the other hand it doesn't really matter (for now) since target
// is never a directory and end is not used in such cases.
return self.read_directory_entry(start - offset, end);
}
check_ca_header::<PxarEntry>(&head, PXAR_ENTRY)?;
@ -231,14 +235,10 @@ impl<R: Read + Seek, F: Fn(&Path) -> Result<(), Error>> Decoder<R, F> {
writeln!(output, "{:?}", prefix)?;
if ifmt == libc::S_IFDIR {
self.print_filenames(output, prefix, item)?;
} else if ifmt == libc::S_IFREG {
} else if ifmt == libc::S_IFLNK {
} else if ifmt == libc::S_IFBLK {
} else if ifmt == libc::S_IFCHR {
} else {
bail!("unknown item mode/type for {:?}", prefix);
match ifmt {
libc::S_IFDIR => self.print_filenames(output, prefix, item)?,
libc::S_IFREG | libc::S_IFLNK | libc::S_IFBLK | libc::S_IFCHR => {}
_ => bail!("unknown item mode/type for {:?}", prefix),
}
prefix.pop();