From 0045bb3e3519a0016c195620e9520b0b77f74823 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Beno=C3=AEt=20Blanchon?= <benoit.blanchon@gmail.com>
Date: Wed, 9 Jul 2014 13:40:09 +0200
Subject: [PATCH] Reduced the size of JsonArrayBase::printTo() by 18 bytes

---
 JsonGenerator/JsonArrayBase.cpp     | 15 ++++++++++-----
 JsonGenerator/JsonHashTableBase.cpp |  2 +-
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/JsonGenerator/JsonArrayBase.cpp b/JsonGenerator/JsonArrayBase.cpp
index 4d7f9380..2c620b00 100644
--- a/JsonGenerator/JsonArrayBase.cpp
+++ b/JsonGenerator/JsonArrayBase.cpp
@@ -6,6 +6,7 @@
 #include "JsonArrayBase.h"
 
 using namespace ArduinoJson::Generator;
+using namespace ArduinoJson::Internals;
 
 size_t JsonArrayBase::printTo(Print& p) const
 {
@@ -13,14 +14,18 @@ size_t JsonArrayBase::printTo(Print& p) const
 
     n += p.write('[');
 
-    for (int i = 0; i < count; i++)
-    {
-        if (i > 0)
+    // NB: the code has been optimized for a small size on a 8-bit AVR
+
+    const JsonValue* current = items;
+    for (int i = count; i > 0; i--)
+    {       
+        n += current->printTo(p);
+        current++;
+
+        if (i > 1)
         {
             n += p.write(',');
         }
-
-        n += items[i].printTo(p);
     }
 
     n += p.write(']');
diff --git a/JsonGenerator/JsonHashTableBase.cpp b/JsonGenerator/JsonHashTableBase.cpp
index 24a997a1..27bb3977 100644
--- a/JsonGenerator/JsonHashTableBase.cpp
+++ b/JsonGenerator/JsonHashTableBase.cpp
@@ -15,7 +15,7 @@ size_t JsonHashTableBase::printTo(Print& p) const
 
     // NB: the code has been optimized for a small size on a 8-bit AVR
 
-    KeyValuePair* current = items;
+    const KeyValuePair* current = items;
     for (int i = count; i > 0; i--)
     {       
         n += current->key.printTo(p);