Make a common module of exit statuses
@@ -5,6 +5,7 @@ use std::env::args_os;
use std::io::{stdout, stderr, Write, ErrorKind};
use std::process::exit;
+
fn main() {
let args = args_os().skip(1);
match Exa::new(args, &mut stdout()) {
@@ -13,10 +14,10 @@ fn main() {
Ok(exit_status) => exit(exit_status),
Err(e) => {
match e.kind() {
- ErrorKind::BrokenPipe => exit(0),
+ ErrorKind::BrokenPipe => exit(exits::SUCCESS),
_ => {
writeln!(stderr(), "{}", e).unwrap();
- exit(1);
+ exit(exits::RUNTIME_ERROR);
},
};
}
@@ -25,12 +26,23 @@ fn main() {
Err(ref e) if e.is_error() => {
writeln!(stderr(), "{}", e).unwrap();
- exit(3);
+ exit(exits::OPTIONS_ERROR);
},
Err(ref e) => {
writeln!(stdout(), "{}", e).unwrap();
- exit(0);
+ exit(exits::SUCCESS);
},
};
}
+
+
+extern crate libc;
+#[allow(trivial_numeric_casts)]
+mod exits {
+ use libc::{self, c_int};
+
+ pub const SUCCESS: c_int = libc::EXIT_SUCCESS;
+ pub const RUNTIME_ERROR: c_int = libc::EXIT_FAILURE;
+ pub const OPTIONS_ERROR: c_int = 3 as c_int;
+}
