Merge pull request #1160 from uutils/revert-1159-utils_redox

Revert "Build hashsum, join, ln, ls, mkdir, mktemp, nl, ptx, sort on Redox"

Cargo.toml

@@ -65,10 +65,19 @@ fuchsia = [
 ]
 generic = [
   "arch",
+  "hashsum",
   "hostname",
+  "join",
   "more",
+  "ln",
+  "ls",
+  "mkdir",
+  "mktemp",
+  "nl",
   "nproc",
+  "ptx",
   "shred",
+  "sort",
   "sync",
   "tail",
   "test",
@@ -102,21 +111,13 @@ redox_generic = [
   "false",
   "fmt",
   "fold",
-  "hashsum",
   "head",
-  "join",
   "link",
-  "ln",
-  "ls",
-  "mkdir",
-  "mktemp",
   "mv",
-  "nl",
   "od",
   "paste",
   "printenv",
   "printf",
-  "ptx",
   "pwd",
   "readlink",
   "realpath",
@@ -126,7 +127,6 @@ redox_generic = [
   "seq",
   "shuf",
   "sleep",
-  "sort",
   "split",
   "sum",
   "tac",

src/ln/ln.rs

@@ -14,7 +14,7 @@ extern crate uucore;
 
 use std::fs;
 use std::io::{stdin, BufRead, BufReader, Result};
-#[cfg(any(unix, target_os = "redox"))]
+#[cfg(unix)]
 use std::os::unix::fs::symlink;
 #[cfg(windows)]
 use std::os::windows::fs::{symlink_dir, symlink_file};

src/mkdir/mkdir.rs

@@ -135,18 +135,20 @@ fn mkdir(path: &Path, mode: u16, verbose: bool) -> i32 {
         show_info!("created directory '{}'", path.display());
     }
 
-    #[cfg(any(unix, target_os = "redox"))]
+    #[cfg(unix)]
     fn chmod(path: &Path, mode: u16) -> i32 {
-        use fs::{Permissions, set_permissions};
-        use std::os::unix::fs::{PermissionsExt};
+        use std::ffi::CString;
+        use std::io::Error;
 
-        let mode = Permissions::from_mode(mode as u32);
+        let directory =
+            CString::new(path.as_os_str().to_str().unwrap()).unwrap_or_else(|e| crash!(1, "{}", e));
+        let mode = mode as libc::mode_t;
 
-        if let Err(err) = set_permissions(path, mode) {
+        if unsafe { libc::chmod(directory.as_ptr(), mode) } != 0 {
             show_info!(
-                "{}: error {}",
+                "{}: errno {}",
                 path.display(),
-                err
+                Error::last_os_error().raw_os_error().unwrap()
             );
             return 1;
         }