update readme, default configuration path

1 files changed, 10 insertions, 6 deletions

diff --git a/src/main.rs b/src/main.rs
index 5639158..7e5787a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -20,6 +20,10 @@ fn parse_args() -> Option<String> {
     loop {
         match args.next() {
             Some(arg) => {
+                if arg == "-h" || arg == "--help" {
+                    help();
+                    return None;
+                }
                 if arg == "-c" || arg == "--config" {
                     let config_fname = args.next().unwrap();
                     return Some(config_fname);
@@ -29,7 +33,7 @@ fn parse_args() -> Option<String> {
         }
     }
 
-    None
+    Some("/etc/sheldond.conf".to_string())
 }
 
 fn parse_config(fname: String) -> server::ServerConfig {
@@ -38,8 +42,8 @@ fn parse_config(fname: String) -> server::ServerConfig {
 
     let file = match File::open(path) {
         Ok(file) => BufReader::new(file),
-        Err(e) => {
-            panic!(e);
+        Err(_) => {
+            panic!("could not open config file: {}", fname);
         }
     };
 
@@ -77,13 +81,13 @@ fn parse_config(fname: String) -> server::ServerConfig {
 }
 
 fn main() {
-    let config = match parse_args() {
-        Some(config_fname) => parse_config(config_fname),
+    let config_fname = match parse_args() {
+        Some(config_fname) => config_fname,
         None => {
-            help();
             return;
         }
     };
+    let config = parse_config(config_fname);
 
     let server = server::Server::new(&config);
     server.serve();