Added overload on send to cleanly handle char arrays (espressif#6721)

Author: lbernstone

Diff for: libraries/WebServer/src/WebServer.cpp

@@ -430,12 +430,32 @@ void WebServer::send(int code, const char* content_type, const String& content)
     // Can we asume the following?
     //if(code == 200 && content.length() == 0 && _contentLength == CONTENT_LENGTH_NOT_SET)
     //  _contentLength = CONTENT_LENGTH_UNKNOWN;
+    if (content.length() == 0) {
+        log_w("content length is zero");
+    }
     _prepareHeader(header, code, content_type, content.length());
     _currentClientWrite(header.c_str(), header.length());
     if(content.length())
       sendContent(content);
 }
 
+void WebServer::send(int code, char* content_type, const String& content) {
+  send(code, (const char*)content_type, content);
+}
+
+void WebServer::send(int code, const String& content_type, const String& content) {
+  send(code, (const char*)content_type.c_str(), content);
+}
+
+void WebServer::send(int code, const char* content_type, const char* content)
+{
+    const String passStr = (String)content;
+    if (strlen(content) != passStr.length()) {
+       log_e("String cast failed.  Use send_P for long arrays");
+    }
+    send(code, content_type, passStr);
+}
+
 void WebServer::send_P(int code, PGM_P content_type, PGM_P content) {
     size_t contentLength = 0;
 
@@ -460,14 +480,6 @@ void WebServer::send_P(int code, PGM_P content_type, PGM_P content, size_t conte
     sendContent_P(content, contentLength);
 }
 
-void WebServer::send(int code, char* content_type, const String& content) {
-  send(code, (const char*)content_type, content);
-}
-
-void WebServer::send(int code, const String& content_type, const String& content) {
-  send(code, (const char*)content_type.c_str(), content);
-}
-
 void WebServer::sendContent(const String& content) {
   sendContent(content.c_str(), content.length());
 }

Diff for: libraries/WebServer/src/WebServer.h

@@ -120,6 +120,8 @@ class WebServer
   void send(int code, const char* content_type = NULL, const String& content = String(""));
   void send(int code, char* content_type, const String& content);
   void send(int code, const String& content_type, const String& content);
+  void send(int code, const char* content_type, const char* content);
+
   void send_P(int code, PGM_P content_type, PGM_P content);
   void send_P(int code, PGM_P content_type, PGM_P content, size_t contentLength);