Rust/umanux
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add get nth line function

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This commit is contained in:
Dietrich 2020-10-23 19:46:20 +02:00
parent 932fb2827d
commit d81bac5146
1 changed files with 19 additions and 10 deletions
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29
src/userlib.rs
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@ -92,16 +92,16 @@ impl UserDBWrite for UserDBLocal {
fn new_user( fn new_user(
&mut self, /* &mut self, /*
username: String, username: String,
enc_password: String, enc_password: String,
uid: u32, uid: u32,
gid: u32, gid: u32,
full_name: String, full_name: String,
room: String, room: String,
phone_work: String, phone_work: String,
phone_home: String, phone_home: String,
other: Option<Vec<String>>, other: Option<Vec<String>>,
home_dir: String, home_dir: String,
shell_path: String,*/ shell_path: String,*/
) -> Result<&crate::User, crate::UserLibError> { ) -> Result<&crate::User, crate::UserLibError> {
/*if self.users.contains_key(&username) { /*if self.users.contains_key(&username) {
@ -216,6 +216,15 @@ impl UserDBValidation for UserDBLocal {
} }
} }
fn get_nth_line(path: Option<&PathBuf>, n: u32) -> String {
let lines = file_to_string(path);
let line = lines.lines().nth(n as usize);
match line {
Some(line) => line.to_owned(),
None => "".to_owned(),
}
}
/// Parse a file to a string /// Parse a file to a string
fn file_to_string(path: Option<&PathBuf>) -> String { fn file_to_string(path: Option<&PathBuf>) -> String {
let file = File::open(path.expect("Path cannot be None".into())) let file = File::open(path.expect("Path cannot be None".into()))