fix: fix client argument parsing

src/client_config.rs

@@ -62,14 +62,6 @@ impl ClientConfig {
     pub fn new<T: Iterator<Item = String>>(mut args: T) -> Result<ClientConfig, Box<dyn Error>> {
         let mut config = ClientConfig::default();
 
-        args.next();
-
-        if let Some(file_name) = args.next() {
-            config.filename = PathBuf::from(file_name);
-        } else {
-            return Err("Missing file to upload or download".into());
-        }
-
         while let Some(arg) = args.next() {
             match arg.as_str() {
                 "-i" | "--ip-address" => {
@@ -139,8 +131,9 @@ impl ClientConfig {
                     println!("  -h, --help\t\t\tPrint help information");
                     process::exit(0);
                 }
-
-                invalid => return Err(format!("Invalid flag: {invalid}").into()),
+                file_name => {
+                    config.filename = PathBuf::from(file_name);
+                }
             }
         }
 

src/client_main.rs

@@ -1,11 +1,9 @@
 use std::error::Error;
-use std::env::args;
 use std::{env, net::SocketAddr, process};
-use tftpd::{Client, ClientConfig, Config, Mode, Server};
+use tftpd::{Client, ClientConfig, Mode};
 
 fn main() {
-    let args: Vec<String> = env::args().collect();
-    client(args[0..].iter().map(|s| s.to_string())).unwrap_or_else(|err| {
+    client(env::args()).unwrap_or_else(|err| {
             eprintln!("{err}");
     })
 }

src/main.rs

@@ -2,8 +2,7 @@ use std::{env, net::SocketAddr, process};
 use tftpd::{Config, Server};
 
 fn main() {
-    let args: Vec<String> = env::args().collect();
-    server(args[0..].iter().map(|s| s.to_string()));
+    server(env::args());
 }
 
 fn server<T: Iterator<Item = String>>(args: T) {