From 46ff301e259b2befa0f83b1be9fdc7e8bdb183e4 Mon Sep 17 00:00:00 2001
From: "David A. Mellis" <d.mellis@arduino.cc>
Date: Tue, 23 Aug 2011 19:12:03 -0400
Subject: [PATCH] write(), print(), and println() now return number of bytes
 written.

The type is long, and negative values indicate errors.  Needs more testing.
http://code.google.com/p/arduino/issues/detail?id=551
---
 LiquidCrystal.cpp | 3 ++-
 LiquidCrystal.h   | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/LiquidCrystal.cpp b/LiquidCrystal.cpp
index 04d0f50..53119df 100644
--- a/LiquidCrystal.cpp
+++ b/LiquidCrystal.cpp
@@ -258,8 +258,9 @@ inline void LiquidCrystal::command(uint8_t value) {
   send(value, LOW);
 }
 
-inline void LiquidCrystal::write(uint8_t value) {
+inline long LiquidCrystal::write(uint8_t value) {
   send(value, HIGH);
+  return 1; // assume sucess
 }
 
 /************ low level data pushing commands **********/
diff --git a/LiquidCrystal.h b/LiquidCrystal.h
index f66ec1b..2788fe0 100755
--- a/LiquidCrystal.h
+++ b/LiquidCrystal.h
@@ -79,7 +79,7 @@ public:
 
   void createChar(uint8_t, uint8_t[]);
   void setCursor(uint8_t, uint8_t); 
-  virtual void write(uint8_t);
+  virtual long write(uint8_t);
   void command(uint8_t);
 private:
   void send(uint8_t, uint8_t);