1 unstable release
0.2.0 | Sep 27, 2024 |
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#1309 in Filesystem
42 downloads per month
24KB
372 lines
Librarium
Library and binaries for the reading, creating, and modification of CPIO archives.
Library
Compiler support: requires rustc 1.72.1+
Add the following to your Cargo.toml
file:
[dependencies]
librarium = "0.2.0"
Read
let mut file = File::open("archive.cpio").unwrap();
let mut archive = ArchiveReader::from_reader(&mut file).unwrap();
// extract bytes from all in archive
for object in &archive.objects.inner {
let mut out = OpenOptions::new().write(true).create(true).open(object.name).unwrap();
archive.reader.extract_data(object, &mut out).unwrap();
}
Write
let file = File::create(&new_path).unwrap();
let mut writer = ArchiveWriter::new(Box::new(file));
// A
let a_data = "a\n".as_bytes();
let a_header = Header {
ino: 9119860,
mode: 33188,
uid: 1000,
gid: 1000,
nlink: 1,
mtime: 1703901104,
devmajor: 0,
devminor: 38,
rdevmajor: 0,
rdevminor: 0,
};
writer.push_file(Cursor::new(a_data), CString::new("cpio-in/a").unwrap(), a_header).unwrap();
// write to archive
writer.write().unwrap();
Binaries
Compiler support: requires rustc 1.77+
These are currently under development and are missing features, MR's welcome!
To install, run cargo install librarium-cli --locked
, or download from the
latest github release.
See --help
for more information.
uncpio-librarium
tool to extract and list cpio filesystems
Usage: uncpio [OPTIONS] [ARCHIVE]
Arguments:
[ARCHIVE] CPIO path
Options:
-o, --offset <BYTES> Skip BYTES at the start of FILESYSTEM [default: 0]
-d, --dest <PATHNAME> Extract to [PATHNAME] [default: out]
-h, --help Print help
-V, --version Print version
Dependencies
~5MB
~96K SLoC