Merge pull request #9 from Jokler/windows-support

Add Windows support

src/main.rs

@@ -166,30 +166,44 @@ impl Drop for Wait {
     }
 }
 
+#[cfg(target_os = "linux")]
+unsafe fn create_stdios(child: &Child) -> (Stdio, Stdio) {
+    use std::os::unix::io::{AsRawFd, FromRawFd};
+    let stdout = Stdio::from_raw_fd(child.stdout.as_ref().map(AsRawFd::as_raw_fd).unwrap());
+    let stderr = Stdio::from_raw_fd(child.stderr.as_ref().map(AsRawFd::as_raw_fd).unwrap());
+
+    (stdout, stderr)
+}
+
+#[cfg(target_os = "windows")]
+unsafe fn create_stdios(child: &Child) -> (Stdio, Stdio) {
+    use std::os::windows::io::{AsRawHandle, FromRawHandle};
+    let stdout = Stdio::from_raw_handle(child.stdout.as_ref().map(AsRawHandle::as_raw_handle).unwrap());
+    let stderr = Stdio::from_raw_handle(child.stderr.as_ref().map(AsRawHandle::as_raw_handle).unwrap());
+
+    (stdout, stderr)
+}
+
 trait PipeTo {
     fn pipe_to(&mut self, out: &[&OsStr], err: &[&OsStr]) -> io::Result<Wait>;
 }
 
 impl PipeTo for Command {
     fn pipe_to(&mut self, out: &[&OsStr], err: &[&OsStr]) -> io::Result<Wait> {
-        use std::os::unix::io::{AsRawFd, FromRawFd};
-
         self.stdout(Stdio::piped());
         self.stderr(Stdio::piped());
 
         let child = self.spawn()?;
 
+        let (stdout, stderr) = unsafe { create_stdios(&child) };
+
         *self = Command::new(out[0]);
         self.args(&out[1..]);
-        self.stdin(unsafe {
-            Stdio::from_raw_fd(child.stdout.as_ref().map(AsRawFd::as_raw_fd).unwrap())
-        });
+        self.stdin(stdout);
 
         let mut errcmd = Command::new(err[0]);
         errcmd.args(&err[1..]);
-        errcmd.stdin(unsafe {
-            Stdio::from_raw_fd(child.stderr.as_ref().map(AsRawFd::as_raw_fd).unwrap())
-        });
+        errcmd.stdin(stderr);
         errcmd.stdout(Stdio::null());
         errcmd.stderr(Stdio::inherit());
         let spawn = errcmd.spawn()?;