uucore: remove utsname.rs (and replace with platform-info)

src/uucore/Cargo.toml

@@ -8,7 +8,6 @@ getopts = "0.2.14"
 time = { version = "0.1.38", optional = true }
 data-encoding = { version = "^1.1", optional = true }
 libc = { version = "0.2.34", optional = true }
-winapi = { version = "0.3", features = ["sysinfoapi"], optional = true }
 
 [features]
 fs = ["libc"]
@@ -21,8 +20,7 @@ process = ["libc"]
 signals = []
 entries = ["libc"]
 wide = []
-utsname = ["libc", "winapi"]
-default = ["fs", "libc", "utf8", "utsname", "encoding", "parse_time", "mode", "utmpx", "process", "entries", "signals", "wide"]
+default = ["fs", "libc", "utf8", "encoding", "parse_time", "mode", "utmpx", "process", "entries", "signals", "wide"]
 
 [lib]
 path = "lib.rs"

src/uucore/lib.rs

@@ -24,8 +24,6 @@ pub mod parse_time;
 pub mod mode;
 #[cfg(all(unix, not(target_os = "fuchsia"), feature = "utmpx"))]
 pub mod utmpx;
-#[cfg(feature = "utsname")]
-pub mod utsname;
 #[cfg(all(unix, feature = "entries"))]
 pub mod entries;
 #[cfg(all(unix, feature = "process"))]

src/uucore/utsname.rs

@@ -1,155 +0,0 @@
-// This file is part of the uutils coreutils package.
-//
-// (c) Jian Zeng <anonymousknight96 AT gmail.com>
-//
-// For the full copyright and license information, please view the LICENSE file
-// that was distributed with this source code.
-//
-
-pub use self::platform::*;
-
-#[cfg(unix)]
-mod platform {
-    use ::libc::{uname, utsname};
-    use ::std::mem;
-    use ::std::ffi::CStr;
-    use ::std::borrow::Cow;
-    use ::std::io;
-
-    macro_rules! cstr2cow {
-        ($v:expr) => (
-            unsafe { CStr::from_ptr($v.as_ref().as_ptr()).to_string_lossy() }
-        )
-    }
-
-    pub struct Uname {
-        inner: utsname,
-    }
-
-    impl Uname {
-        pub fn new() -> io::Result<Self> {
-            unsafe {
-                let mut uts: utsname = mem::uninitialized();
-                if uname(&mut uts) == 0 {
-                    Ok(Uname { inner: uts })
-                } else {
-                    Err(io::Error::last_os_error())
-                }
-            }
-        }
-
-        pub fn sysname(&self) -> Cow<str> {
-            cstr2cow!(self.inner.sysname)
-        }
-
-        pub fn nodename(&self) -> Cow<str> {
-            cstr2cow!(self.inner.nodename)
-        }
-
-        pub fn release(&self) -> Cow<str> {
-            cstr2cow!(self.inner.release)
-        }
-
-        pub fn version(&self) -> Cow<str> {
-            cstr2cow!(self.inner.version)
-        }
-
-        pub fn machine(&self) -> Cow<str> {
-            cstr2cow!(self.inner.machine)
-        }
-    }
-}
-
-#[cfg(windows)]
-mod platform {
-    use ::winapi::um::sysinfoapi::{SYSTEM_INFO, GetSystemInfo};
-    use ::winapi::um::winnt::*;
-    use ::std::mem;
-    use ::std::borrow::Cow;
-    use ::std::io;
-
-    pub struct Uname {
-        inner: SYSTEM_INFO
-    }
-
-    impl Uname {
-        pub fn new() -> io::Result<Uname> {
-            unsafe {
-                let mut info = mem::uninitialized();
-                GetSystemInfo(&mut info);
-                Ok(Uname { inner: info })
-            }
-        }
-
-        // FIXME: need to implement more architectures (e.g. ARM)
-        pub fn machine(&self) -> Cow<str> {
-            let arch = unsafe {
-                match self.inner.u.s().wProcessorArchitecture {
-                    PROCESSOR_ARCHITECTURE_AMD64 => "x86_64",
-                    PROCESSOR_ARCHITECTURE_INTEL => "x86",
-                    _ => unimplemented!()
-                }
-            };
-            Cow::from(arch)
-        }
-    }
-}
-
-#[cfg(target_os = "redox")]
-mod platform {
-    use ::std::borrow::Cow;
-    use ::std::io::{self, Read};
-    use ::std::fs::File;
-
-    pub struct Uname {
-        kernel_name: String,
-        nodename: String,
-        kernel_release: String,
-        kernel_version: String,
-        machine: String
-    }
-
-    impl Uname {
-        pub fn new() -> io::Result<Uname> {
-            let mut inner = String::new();
-            File::open("sys:uname")?.read_to_string(&mut inner)?;
-
-            let mut lines = inner.lines();
-
-            let kernel_name = lines.next().unwrap();
-            let nodename = lines.next().unwrap();
-            let kernel_release = lines.next().unwrap();
-            let kernel_version = lines.next().unwrap();
-            let machine = lines.next().unwrap();
-
-            // FIXME: don't actually duplicate the data as doing so is wasteful
-            Ok(Uname {
-                kernel_name: kernel_name.to_owned(),
-                nodename: nodename.to_owned(),
-                kernel_release: kernel_release.to_owned(),
-                kernel_version: kernel_version.to_owned(),
-                machine: machine.to_owned()
-            })
-        }
-
-        pub fn sysname(&self) -> Cow<str> {
-            Cow::from(self.kernel_name.as_str())
-        }
-
-        pub fn nodename(&self) -> Cow<str> {
-            Cow::from(self.nodename.as_str())
-        }
-
-        pub fn release(&self) -> Cow<str> {
-            Cow::from(self.kernel_release.as_str())
-        }
-
-        pub fn version(&self) -> Cow<str> {
-            Cow::from(self.kernel_version.as_str())
-        }
-
-        pub fn machine(&self) -> Cow<str> {
-            Cow::from(self.machine.as_str())
-        }
-    }
-}