dirname, basename, env, head, id, sync, touch: exit with status 1 on invalid arguments

basename/basename.rs

@@ -62,13 +62,13 @@ pub fn uumain(args: Vec<String>) -> int {
     if args.len() < 2 {
         println!("{}: {}", program, "missing operand");
         println!("Try '{} --help' for more information.", program);
-        return 0;
+        return 1;
     }
     // too many arguments
     else if args.len() > 3 {
         println!("{}: extra operand '{}'", program, args.get(3));
         println!("Try '{} --help' for more information.", program);
-        return 0;
+        return 1;
     }
 
     //

dirname/dirname.rs

@@ -66,6 +66,7 @@ directory).", opts).as_slice());
     } else {
         println!("{0:s}: missing operand", program);
         println!("Try '{0:s} --help' for more information.", program);
+        return 1;
     }
 
     0

env/env.rs

@@ -114,7 +114,7 @@ pub fn uumain(args: Vec<String>) -> int {
                 _ => {
                     println!("{:s}: invalid option \"{:s}\"", prog, *opt);
                     println!("Type \"{:s} --help\" for detailed informations", prog);
-                    return 0;
+                    return 1;
                 }
             }
         } else if opt.as_slice().starts_with("-") {
@@ -146,7 +146,7 @@ pub fn uumain(args: Vec<String>) -> int {
                     _ => {
                         println!("{:s}: illegal option -- {:c}", prog, c);
                         println!("Type \"{:s} --help\" for detailed informations", prog);
-                        return 0;
+                        return 1;
                     }
                 }
             }

head/head.rs

@@ -46,7 +46,7 @@ pub fn uumain(args: Vec<String>) -> int {
         Ok (m) => { m }
         Err(_) => {
             println!("{:s}", usage(PROGRAM, possible_options));
-            return 0;
+            return 1;
         }
     };
 

id/id.rs

@@ -105,7 +105,7 @@ pub fn uumain(args: Vec<String>) -> int {
         Ok(m) => { m },
         Err(_) => {
             println!("{:s}", usage(NAME, options));
-            return 0;
+            return 1;
         }
     };
 

sync/sync.rs

@@ -33,7 +33,7 @@ pub fn uumain(args: Vec<String>) -> int {
 
     let matches = match getopts(args.tail(), options) {
         Ok(m) => { m }
-        _ => { help(program.as_slice(), options); return 0 }
+        _ => { help(program.as_slice(), options); return 1 }
     };
 
     if matches.opt_present("h") {

touch/touch.rs

@@ -59,6 +59,9 @@ pub fn uumain(args: Vec<String>) -> int {
         println!("");
         println!("{:s}", getopts::usage("Update the access and modification times of \
                                          each FILE to the current time.", opts));
+        if matches.free.is_empty() {
+            return 1;
+        }
         return 0;
     }