From b0c04b4fb3cd08142fda2d1e9c19561076763205 Mon Sep 17 00:00:00 2001
From: Ahmed El-Sharnoby <Lan-Hekary@users.noreply.github.com>
Date: Mon, 16 Oct 2023 04:07:29 +0300
Subject: [PATCH] reserve the String Length in urlDecode to avoid String
 Reallocations

---
 libraries/ESP8266WebServer/src/Parsing-impl.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/ESP8266WebServer/src/Parsing-impl.h b/libraries/ESP8266WebServer/src/Parsing-impl.h
index 238b7b72d3..0d432aa69f 100644
--- a/libraries/ESP8266WebServer/src/Parsing-impl.h
+++ b/libraries/ESP8266WebServer/src/Parsing-impl.h
@@ -514,6 +514,7 @@ String ESP8266WebServerTemplate<ServerType>::urlDecode(const String& text)
   char temp[] = "0x00";
   unsigned int len = text.length();
   unsigned int i = 0;
+  decoded.reserve(len - (std::count(text.begin(), text.end(), '%') * 2));
   while (i < len)
   {
     char decodedChar;