Minor console refactor

src/console.rs

@@ -1,11 +1,9 @@
-use libctru::console::*;
-use libctru::libc;
+use std::default::Default;
+use std::ptr;
 
 use gfx::Screen;
 
-use std::fmt::{self, Write};
-use std::default::Default;
-use std::ptr;
+use libctru::console::*;
 
 pub struct Console {
     context: PrintConsole,
@@ -13,9 +11,15 @@ pub struct Console {
 
 impl Console {
     pub fn init(screen: Screen) -> Self {
-        let ret = unsafe { *(consoleInit(screen.into(), ptr::null_mut())) };
+        unsafe {
+            let ret = *(consoleInit(screen.into(), ptr::null_mut()));
             Console { context: ret }
         }
+    }
+
+    pub fn select(&mut self) {
+        unsafe { consoleSelect(&mut self.context); }
+    }
 
     pub fn set_window(&mut self, x: i32, y: i32, width: i32, height: i32) {
         unsafe { consoleSetWindow(&mut self.context, x, y, width, height) }
@@ -28,23 +32,6 @@ impl Console {
 
 impl Default for Console {
     fn default() -> Self {
-        let ret = unsafe { *(consoleInit(Screen::Top.into(), ptr::null_mut())) };
-        Console { context: ret }
-    }
-}
-
-impl Write for Console {
-    fn write_str(&mut self, s: &str) -> fmt::Result {
-        // Writing 0 bytes to the console fails
-        if s.is_empty() {
-            return Ok(())
-        }
-        unsafe { consoleSelect(&mut self.context); }
-        let ret = unsafe { libc::write(libc::STDOUT_FILENO, s.as_ptr() as *const _, s.len()) };
-        if ret == s.len() as isize {
-            Ok(())
-        } else {
-            Err(fmt::Error)
-        }
+        Console::init(Screen::Top)
     }
 }