From 75ee1887214d20523722385025049881d65d7c8d Mon Sep 17 00:00:00 2001
From: devyte <deveyes@gmail.com>
Date: Sun, 28 Oct 2018 18:44:17 -0300
Subject: [PATCH 1/2] Fix arg type in Wire to size_t

---
 libraries/Wire/Wire.cpp | 2 +-
 libraries/Wire/Wire.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libraries/Wire/Wire.cpp b/libraries/Wire/Wire.cpp
index 906b22eedf..7e86894991 100644
--- a/libraries/Wire/Wire.cpp
+++ b/libraries/Wire/Wire.cpp
@@ -212,7 +212,7 @@ void TwoWire::flush(void){
   txBufferLength = 0;
 }
 
-void TwoWire::onReceiveService(uint8_t* inBytes, int numBytes)
+void TwoWire::onReceiveService(uint8_t* inBytes, size_t numBytes)
 {
   // don't bother if user hasn't registered a callback
   if (!user_onReceive) {
diff --git a/libraries/Wire/Wire.h b/libraries/Wire/Wire.h
index e14b90a521..e697bcca07 100644
--- a/libraries/Wire/Wire.h
+++ b/libraries/Wire/Wire.h
@@ -47,7 +47,7 @@ class TwoWire : public Stream
     static void (*user_onRequest)(void);
     static void (*user_onReceive)(int);
     static void onRequestService(void);
-    static void onReceiveService(uint8_t*, int);
+    static void onReceiveService(uint8_t*, size_t);
   public:
     TwoWire();
     void begin(int sda, int scl);

From 52170ea8cc7ac09bb5f99df66fd3fdf0974b1991 Mon Sep 17 00:00:00 2001
From: devyte <deveyes@gmail.com>
Date: Sun, 28 Oct 2018 22:19:48 -0300
Subject: [PATCH 2/2] Document dir.fileSize() and other nearby doc fixes

---
 doc/filesystem.rst | 38 +++++++++++++++++++++++++++++---------
 1 file changed, 29 insertions(+), 9 deletions(-)

diff --git a/doc/filesystem.rst b/doc/filesystem.rst
index 3e6fdeffbf..606a2707d5 100644
--- a/doc/filesystem.rst
+++ b/doc/filesystem.rst
@@ -278,7 +278,7 @@ Directory object (Dir)
 ----------------------
 
 The purpose of *Dir* object is to iterate over files inside a directory.
-It provides three methods: ``next()``, ``fileName()``, and
+It provides the methods: ``next()``, ``fileName()``, ``fileSize()`` , and
 ``openFile(mode)``.
 
 The following example shows how it should be used:
@@ -288,21 +288,41 @@ The following example shows how it should be used:
     Dir dir = SPIFFS.openDir("/data");
     while (dir.next()) {
         Serial.print(dir.fileName());
-        File f = dir.openFile("r");
-        Serial.println(f.size());
+        if(dir.fileSize()) {
+            File f = dir.openFile("r");
+            Serial.println(f.size());
+        }
     }
 
-``dir.next()`` returns true while there are files in the directory to
-iterate over. It must be called before calling ``fileName`` and
-``openFile`` functions.
+next
+~~~~
+
+Returns true while there are files in the directory to
+iterate over. It must be called before calling ``fileName()``, ``fileSize()``,
+and ``openFile()`` functions.
+
+fileName
+~~~~~~~~~
+
+Returns the name of the current file pointed to
+by the internal iterator.
+
+fileSize
+~~~~~~~~
+
+Returns the size of the current file pointed to
+by the internal iterator.
+
+openFile
+~~~~~~~~
 
-``openFile`` method takes *mode* argument which has the same meaning as
-for ``SPIFFS.open`` function.
+This method takes *mode* argument which has the same meaning as
+for ``SPIFFS.open()`` function.
 
 File object
 -----------
 
-``SPIFFS.open`` and ``dir.openFile`` functions return a *File* object.
+``SPIFFS.open()`` and ``dir.openFile()`` functions return a *File* object.
 This object supports all the functions of *Stream*, so you can use
 ``readBytes``, ``findUntil``, ``parseInt``, ``println``, and all other
 *Stream* methods.