From 213387b88f2cc74eddc24a94d209431ca5467d26 Mon Sep 17 00:00:00 2001
From: Zhenyu Wu <Adam5Wu@users.noreply.github.com>
Date: Sun, 22 Jan 2017 05:47:21 -0500
Subject: [PATCH] Convert resursive call to iterations, reduce stack usage
 (#120)

---
 src/WebRequest.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/WebRequest.cpp b/src/WebRequest.cpp
index 74eed41..501d227 100644
--- a/src/WebRequest.cpp
+++ b/src/WebRequest.cpp
@@ -96,6 +96,8 @@ AsyncWebServerRequest::~AsyncWebServerRequest(){
 }
 
 void AsyncWebServerRequest::_onData(void *buf, size_t len){
+  while (true) {
+
   if(_parseState < PARSE_REQ_BODY){
     // Find new line in buf
     char *str = (char*)buf;
@@ -112,7 +114,12 @@ void AsyncWebServerRequest::_onData(void *buf, size_t len){
       _temp.concat(str);
       _temp.trim();
       _parseLine();
-      if (++i < len) _onData(str+i, len-i); // Still have more buffer to process
+      if (++i < len) {
+        // Still have more buffer to process
+        buf = str+i;
+        len-= i;
+        continue;
+      }
     }
   } else if(_parseState == PARSE_REQ_BODY){
     if(_isMultipart){
@@ -153,6 +160,9 @@ void AsyncWebServerRequest::_onData(void *buf, size_t len){
       else send(501);
     }
   }
+
+  break;
+  }
 }
 
 void AsyncWebServerRequest::_onPoll(){