From 4d29482952850927e2505a4b38b61dd5392206b1 Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Thu, 24 Sep 2015 18:20:26 +0200
Subject: [PATCH] Add custom `print` and `println` macros

---
 src/vga_buffer.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/vga_buffer.rs b/src/vga_buffer.rs
index 75a9b95c..e16c1647 100644
--- a/src/vga_buffer.rs
+++ b/src/vga_buffer.rs
@@ -11,6 +11,18 @@ pub static WRITER: Mutex<Writer> = Mutex::new(Writer {
     buffer: unsafe{Unique::new(0xb8000 as *mut _)},
 });
 
+macro_rules! println {
+    ($fmt:expr) => (print!(concat!($fmt, "\n")));
+    ($fmt:expr, $($arg:tt)*) => (print!(concat!($fmt, "\n"), $($arg)*));
+}
+
+macro_rules! print {
+    ($($arg:tt)*) => ({
+            use core::fmt::Write;
+            $crate::vga_buffer::WRITER.lock().write_fmt(format_args!($($arg)*)).unwrap();
+    });
+}
+
 #[allow(dead_code)]
 #[repr(u8)]
 pub enum Color {