restructuring

Fix (remove) lifetimes and restructure the code

Co-authored-by: Dietrich <dietrich@teilgedanken.de>
Reviewed-on: http://git.teilgedanken.de/Rust/useradd/pulls/2

src/bin/read_all.rs

@@ -0,0 +1,36 @@
+extern crate adduser;
+
+use adduser::NewFromString;
+use adduser::Shadow;
+use adduser::User;
+use std::fs::File;
+use std::io::{prelude::*, BufReader};
+
+fn main() {
+    simplelog::CombinedLogger::init(vec![simplelog::TermLogger::new(
+        simplelog::LevelFilter::Warn,
+        simplelog::Config::default(),
+        simplelog::TerminalMode::Mixed,
+    )])
+    .unwrap();
+    let file = File::open("/etc/passwd").unwrap();
+    let reader = BufReader::new(file);
+
+    for line in reader.lines() {
+        let line = line.unwrap();
+        println!("{}", User::new_from_string(line).unwrap());
+    }
+
+    let line = "test:!!$6$/RotIe4VZzzAun4W$7YUONvru1rDnllN5TvrnOMsWUD5wSDUPAD6t6/Xwsr/0QOuWF3HcfAhypRkGa8G1B9qqWV5kZSnCb8GKMN9N61:18260:0:99999:7:::".to_string();
+    assert_eq!(
+        format!("{}", Shadow::new_from_string(line.clone()).unwrap()),
+        line
+    );
+
+    // let pwd = User::default();
+    // let pwd2 =
+    //     User::new_from_string("howdy:notencrypted:1001:1001:not done:/home/test:/bin/bash");
+    // println!("Test struct: {}", pwd);
+
+    // assert_eq!(pwd, pwd2.unwrap())
+}