update Tar!

This commit is contained in:
Able 2022-12-05 00:06:51 -06:00
parent 99b69cc14d
commit 26f3d26bc2

View file

@ -53,3 +53,69 @@ impl From<[char; 512]> for Header {
}
}
}
impl Into<[char; 512]> for Header {
fn into(self) -> [char; 512] {
let mut header: [char; 512] = ['\0'; 512];
header[..100].clone_from_slice(&self.filename);
header[100..108].clone_from_slice(&self.filemode);
header[108..116].clone_from_slice(&self.user_id);
header[116..124].clone_from_slice(&self.group_id);
header[124..136].clone_from_slice(&self.size);
header[136..148].clone_from_slice(&self.modified_time);
header[148..156].clone_from_slice(&self.checksum);
header[155] = self.typeflag;
header
}
}
// TODO Write tests for this library
#[test]
fn from2tar() {
let mut filename = ['\0'; 100];
for (i, c) in "file.txt".chars().enumerate() {
filename[i] = c;
}
let header = Header {
filename,
filemode: ['6', '4', '4', ' ', ' ', ' ', ' ', '\0'],
user_id: ['0', '0', '0', '0', '0', '0', '0', '0'],
group_id: ['0', '0', '0', '0', '0', '0', '0', '0'],
size: ['8', '1', '9', '2', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '\0'],
modified_time: ['1', '6', '0', '7', '1', '1', '4', '9', '8', '0', ' ', '\0'],
checksum: ['0', '0', '0', '0', '0', '0', ' ', '\0'],
typeflag: '0',
};
let array: [char; 512] = header.try_into().unwrap();
// assert_eq!(array)
}
enum Error {
InvalidChecksum,
InvalidFileData,
InvalidTarFormat,
InvalidTarHeader,
UnsupportedCompression,
UnsupportedEncryption,
UnsupportedTarFormat,
}
#[derive(Debug)]
enum FileType {
Directory,
Regular,
Other(char),
}
impl From<char> for FileType {
fn from(c: char) -> Self {
match c {
'0' | '\0' => FileType::Regular,
'5' => FileType::Directory,
_ => FileType::Other(c),
}
}
}