From cd97b2d87b4c238b382b3b32c852629a84444a16 Mon Sep 17 00:00:00 2001
From: Mathieu Carbou <mathieu.carbou@gmail.com>
Date: Fri, 3 Oct 2025 11:02:50 +0200
Subject: [PATCH] Fix compiler warning ``` src/WebHandlers.cpp: In member
 function 'virtual void
 AsyncStaticWebHandler::handleRequest(AsyncWebServerRequest*)':
 src/WebHandlers.cpp:237:38: warning: format '%x' expects argument of type
 'unsigned int', but argument 4 has type 'uint32_t' {aka 'long unsigned int'}
 [-Wformat=]   237 |     snprintf(etag, sizeof(etag), "%08x", etagValue);     
  |                                   ~~~^   ~~~~~~~~~       |                
                      |   |       |                                      |  
 uint32_t {aka long unsigned int}       |                                     
 unsigned int       |                                   %08lx ```

---
 src/WebHandlers.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/WebHandlers.cpp b/src/WebHandlers.cpp
index ac9e963aa..1a3de2e87 100644
--- a/src/WebHandlers.cpp
+++ b/src/WebHandlers.cpp
@@ -234,7 +234,11 @@ void AsyncStaticWebHandler::handleRequest(AsyncWebServerRequest *request) {
       size_t fileSize = request->_tempFile.size();
       etagValue = static_cast<uint32_t>(fileSize);
     }
+#ifndef ESP8266
+    snprintf(etag, sizeof(etag), "%08lx", etagValue);
+#else
     snprintf(etag, sizeof(etag), "%08x", etagValue);
+#endif
   } else {
     etag[0] = '\0';
   }