Introduced strtok_r. Several small fixes.

Author: QuickSander

examples/HelloHttp/HelloHttp.ino

@@ -15,6 +15,7 @@ WiFiServer wifiServer(80);
 void setup()
 {
    Serial.begin(115200);
+   Serial.println("Starting Wifi Connection...");
 
    WiFi.begin(const_cast<char*>(ssid), password);
    while (WiFi.status() != WL_CONNECTED)

platformio.ini

@@ -20,6 +20,9 @@ lib_dir = ../
 platform = espressif
 framework = arduino
 board = esp01
+# Custom upload tool to force use of esptool.py instead of default esptool.
+# See: http://arduino.stackexchange.com/questions/20219/upload-with-esptool-fails-with-espcomm-send-command-cant-receive-slip-payload
+extra_script = ../../Tools/platformio_esptool.py
 
 [env:uno]
 platform = atmelavr

src/internals/HttpResource.cpp

@@ -37,12 +37,12 @@ bool ArduinoHttpServer::HttpResource::isValid()
 //! Retrieve resource part at the specified index.
 //! \details E.g. HttpResource("/api/sensors/1/state")[1]
 //!    returns "sensors"
-String ArduinoHttpServer::HttpResource::operator[](const int index) const
+String ArduinoHttpServer::HttpResource::operator[](const unsigned int index) const
 {
    int fromOffset(0);
 
    // Forward till we reach desired index.
-   for (int currentIndex=0; currentIndex <= index; ++currentIndex)
+   for (unsigned int currentIndex=0; currentIndex <= index; ++currentIndex)
    {
       fromOffset = m_resource.indexOf(RESOURCE_SEPERATOR, fromOffset);
       ++fromOffset; // Seek past '/'.

src/internals/HttpResource.hpp

@@ -25,7 +25,7 @@ class HttpResource
     HttpResource& operator=(const HttpResource& other);
 
     bool isValid();
-    String operator[](const int index) const;
+    String operator[](const unsigned int index) const;
     const String& toString() const;
 
 private:

src/internals/StreamHttpRequest.hpp

@@ -117,7 +117,8 @@ ArduinoHttpServer::StreamHttpRequest<MAX_BODY_LENGTH>::StreamHttpRequest(Stream&
     m_errorDescription(),
     m_lineBufferStrTokContext(0)
 {
-    m_stream.setTimeout(LINE_READ_TIMEOUT_MS);
+   static_assert(MAX_BODY_LENGTH >= 0, "HTTP body length less then zero specified.");
+   m_stream.setTimeout(LINE_READ_TIMEOUT_MS);
 }
 
 //------------------------------------------------------------------------------
@@ -264,6 +265,7 @@ void ArduinoHttpServer::StreamHttpRequest<MAX_BODY_LENGTH>::parseVersion()
         message += version;
         message += "\".";
         setError(message);
+
     }
 
 }